Ruby  2.0.0p481(2014-05-08revision45883)
Data Structures | Defines | Typedefs | Enumerations | Functions | Variables
gc.c File Reference
#include "ruby/ruby.h"
#include "ruby/st.h"
#include "ruby/re.h"
#include "ruby/io.h"
#include "ruby/thread.h"
#include "ruby/util.h"
#include "eval_intern.h"
#include "vm_core.h"
#include "internal.h"
#include "gc.h"
#include "constant.h"
#include "ruby_atomic.h"
#include "probes.h"
#include <stdio.h>
#include <setjmp.h>
#include <sys/types.h>
#include <assert.h>
Include dependency graph for gc.c:

Go to the source code of this file.

Data Structures

struct  ruby_gc_params_t
struct  gc_profile_record
struct  RVALUE
struct  heaps_slot
struct  heaps_header
struct  heaps_free_bitmap
struct  gc_list
struct  stack_chunk
struct  mark_stack
struct  rb_objspace
struct  rb_objspace::mark_func_data_struct
struct  each_obj_args
struct  os_each_struct
struct  force_finalize_list
struct  mark_tbl_arg
struct  weakmap

Defines

#define VALGRIND_MAKE_MEM_DEFINED(p, n)   0
#define VALGRIND_MAKE_MEM_UNDEFINED(p, n)   0
#define rb_setjmp(env)   RUBY_SETJMP(env)
#define rb_jmp_buf   rb_jmpbuf_t
#define GC_MALLOC_LIMIT   8000000
#define HEAP_MIN_SLOTS   10000
#define FREE_MIN   4096
#define nomem_error   GET_VM()->special_exceptions[ruby_error_nomemory]
#define GC_PROFILE_MORE_DETAIL   0
#define STACK_CHUNK_SIZE   500
#define CALC_EXACT_MALLOC_SIZE   0
#define rb_objspace   (*GET_VM()->objspace)
#define ruby_initial_gc_stress   initial_params.gc_stress
#define malloc_limit   objspace->malloc_params.limit
#define malloc_increase   objspace->malloc_params.increase
#define heaps   objspace->heap.ptr
#define heaps_length   objspace->heap.length
#define heaps_used   objspace->heap.used
#define lomem   objspace->heap.range[0]
#define himem   objspace->heap.range[1]
#define heaps_inc   objspace->heap.increment
#define heaps_freed   objspace->heap.freed
#define dont_gc   objspace->flags.dont_gc
#define during_gc   objspace->flags.during_gc
#define finalizing   objspace->flags.finalizing
#define finalizer_table   objspace->final.table
#define deferred_final_list   objspace->final.deferred
#define global_List   objspace->global_list
#define ruby_gc_stress   objspace->gc_stress
#define initial_malloc_limit   initial_params.initial_malloc_limit
#define initial_heap_min_slots   initial_params.initial_heap_min_slots
#define initial_free_min   initial_params.initial_free_min
#define is_lazy_sweeping(objspace)   ((objspace)->heap.sweep_slots != 0)
#define nonspecial_obj_id(obj)   (VALUE)((SIGNED_VALUE)(obj)|FIXNUM_FLAG)
#define obj_id_to_ref(objid)   ((objid) ^ FIXNUM_FLAG) /* unset FIXNUM_FLAG */
#define RANY(o)   ((RVALUE*)(o))
#define has_free_object   (objspace->heap.free_slots && objspace->heap.free_slots->freelist)
#define HEAP_HEADER(p)   ((struct heaps_header *)(p))
#define GET_HEAP_HEADER(x)   (HEAP_HEADER((uintptr_t)(x) & ~(HEAP_ALIGN_MASK)))
#define GET_HEAP_SLOT(x)   (GET_HEAP_HEADER(x)->base)
#define GET_HEAP_BITMAP(x)   (GET_HEAP_HEADER(x)->bits)
#define NUM_IN_SLOT(p)   (((uintptr_t)(p) & HEAP_ALIGN_MASK)/sizeof(RVALUE))
#define BITMAP_INDEX(p)   (NUM_IN_SLOT(p) / (sizeof(uintptr_t) * CHAR_BIT))
#define BITMAP_OFFSET(p)   (NUM_IN_SLOT(p) & ((sizeof(uintptr_t) * CHAR_BIT)-1))
#define MARKED_IN_BITMAP(bits, p)   (bits[BITMAP_INDEX(p)] & ((uintptr_t)1 << BITMAP_OFFSET(p)))
#define HEAP_ALIGN_LOG   14
#define CEILDIV(i, mod)   (((i) + (mod) - 1)/(mod))
#define NUM2PTR(x)   NUM2ULONG(x)
#define COUNT_TYPE(t)   case (t): type = ID2SYM(rb_intern(#t)); break;
#define MARK_IN_BITMAP(bits, p)   (bits[BITMAP_INDEX(p)] = bits[BITMAP_INDEX(p)] | ((uintptr_t)1 << BITMAP_OFFSET(p)))
#define SET_STACK_END   SET_MACHINE_STACK_END(&th->machine_stack_end)
#define STACK_START   (th->machine_stack_start)
#define STACK_END   (th->machine_stack_end)
#define STACK_LEVEL_MAX   (th->machine_stack_maxsize/sizeof(VALUE))
#define STACK_LENGTH
#define STACKFRAME_FOR_CALL_CFUNC   512
#define rb_gc_mark_locations(start, end)   gc_mark_locations(objspace, (start), (end))
#define GET_STACK_BOUNDS(start, end, appendix)
#define numberof(array)   (int)(sizeof(array) / sizeof((array)[0]))
#define STR_ASSOC   FL_USER3 /* copied from string.c */
#define GC_NOTIFY   0
#define TRY_WITH_GC(alloc)
#define GC_PROFILE_RECORD_DEFAULT_SIZE   100

Typedefs

typedef struct gc_profile_record gc_profile_record
typedef struct RVALUE RVALUE
typedef struct stack_chunk stack_chunk_t
typedef struct mark_stack mark_stack_t
typedef struct rb_objspace rb_objspace_t
typedef int each_obj_callback (void *, void *, size_t, void *)

Enumerations

enum  {
  HEAP_ALIGN = (1UL << HEAP_ALIGN_LOG), HEAP_ALIGN_MASK = (~(~0UL << HEAP_ALIGN_LOG)), REQUIRED_SIZE_BY_MALLOC = (sizeof(size_t) * 5), HEAP_SIZE = (HEAP_ALIGN - REQUIRED_SIZE_BY_MALLOC),
  HEAP_OBJ_LIMIT = (unsigned int)((HEAP_SIZE - sizeof(struct heaps_header))/sizeof(struct RVALUE)), HEAP_BITMAP_LIMIT = CEILDIV(CEILDIV(HEAP_SIZE, sizeof(struct RVALUE)), sizeof(uintptr_t) * CHAR_BIT)
}

Functions

static void rb_objspace_call_finalizer (rb_objspace_t *objspace)
static VALUE define_final0 (VALUE obj, VALUE block)
VALUE rb_define_final (VALUE obj, VALUE block)
VALUE rb_undefine_final (VALUE obj)
static void run_final (rb_objspace_t *objspace, VALUE obj)
static void initial_expand_heap (rb_objspace_t *objspace)
static void negative_size_allocation_error (const char *)
static void * aligned_malloc (size_t, size_t)
static void aligned_free (void *)
static void init_mark_stack (mark_stack_t *stack)
static VALUE lazy_sweep_enable (void)
static int garbage_collect (rb_objspace_t *)
static int gc_prepare_free_objects (rb_objspace_t *)
static void mark_tbl (rb_objspace_t *, st_table *)
static void rest_sweep (rb_objspace_t *)
static void gc_mark_stacked_objects (rb_objspace_t *)
static double getrusage_time (void)
static void gc_prof_timer_start (rb_objspace_t *)
static void gc_prof_timer_stop (rb_objspace_t *, int)
static void gc_prof_mark_timer_start (rb_objspace_t *)
static void gc_prof_mark_timer_stop (rb_objspace_t *)
static void gc_prof_sweep_timer_start (rb_objspace_t *)
static void gc_prof_sweep_timer_stop (rb_objspace_t *)
static void gc_prof_set_malloc_info (rb_objspace_t *)
rb_objspace_t * rb_objspace_alloc (void)
static void free_stack_chunks (mark_stack_t *)
void rb_objspace_free (rb_objspace_t *objspace)
void rb_global_variable (VALUE *var)
static void allocate_sorted_heaps (rb_objspace_t *objspace, size_t next_heaps_length)
static void link_free_heap_slot (rb_objspace_t *objspace, struct heaps_slot *slot)
static void unlink_free_heap_slot (rb_objspace_t *objspace, struct heaps_slot *slot)
static void assign_heap_slot (rb_objspace_t *objspace)
static void add_heap_slots (rb_objspace_t *objspace, size_t add)
static void init_heap (rb_objspace_t *objspace)
static void set_heaps_increment (rb_objspace_t *objspace)
static int heaps_increment (rb_objspace_t *objspace)
static VALUE newobj (VALUE klass, VALUE flags)
VALUE rb_newobj (void)
VALUE rb_newobj_of (VALUE klass, VALUE flags)
NODE * rb_node_newnode (enum node_type type, VALUE a0, VALUE a1, VALUE a2)
VALUE rb_data_object_alloc (VALUE klass, void *datap, RUBY_DATA_FUNC dmark, RUBY_DATA_FUNC dfree)
VALUE rb_data_typed_object_alloc (VALUE klass, void *datap, const rb_data_type_t *type)
size_t rb_objspace_data_type_memsize (VALUE obj)
const char * rb_objspace_data_type_name (VALUE obj)
static void gc_mark (rb_objspace_t *objspace, VALUE ptr)
static void gc_mark_children (rb_objspace_t *objspace, VALUE ptr)
static int is_pointer_to_heap (rb_objspace_t *objspace, void *ptr)
static int free_method_entry_i (ID key, rb_method_entry_t *me, st_data_t data)
void rb_free_m_table (st_table *tbl)
static int free_const_entry_i (ID key, rb_const_entry_t *ce, st_data_t data)
void rb_free_const_table (st_table *tbl)
static int obj_free (rb_objspace_t *, VALUE)
static struct heaps_slot * add_slot_local_freelist (rb_objspace_t *objspace, RVALUE *p)
static void unlink_heap_slot (rb_objspace_t *objspace, struct heaps_slot *slot)
static void free_unused_heaps (rb_objspace_t *objspace)
static void make_deferred (RVALUE *p)
static void make_io_deferred (RVALUE *p)
void Init_heap (void)
static VALUE objspace_each_objects (VALUE arg)
void rb_objspace_each_objects (each_obj_callback *callback, void *data)
static int internal_object_p (VALUE obj)
int rb_objspace_internal_object_p (VALUE obj)
static int os_obj_of_i (void *vstart, void *vend, size_t stride, void *data)
static VALUE os_obj_of (VALUE of)
static VALUE os_each_obj (int argc, VALUE *argv, VALUE os)
static VALUE undefine_final (VALUE os, VALUE obj)
static VALUE define_final (int argc, VALUE *argv, VALUE os)
void rb_gc_copy_finalizer (VALUE dest, VALUE obj)
static VALUE run_single_final (VALUE arg)
static void run_finalizer (rb_objspace_t *objspace, VALUE obj, VALUE table)
static void finalize_list (rb_objspace_t *objspace, RVALUE *p)
static void finalize_deferred (rb_objspace_t *objspace)
void rb_gc_finalize_deferred (void)
static int force_chain_object (st_data_t key, st_data_t val, st_data_t arg)
void rb_gc_call_finalizer_at_exit (void)
static int is_id_value (rb_objspace_t *objspace, VALUE ptr)
static int is_swept_object (rb_objspace_t *objspace, VALUE ptr)
static int is_dead_object (rb_objspace_t *objspace, VALUE ptr)
static int is_live_object (rb_objspace_t *objspace, VALUE ptr)
static VALUE id2ref (VALUE obj, VALUE objid)
VALUE rb_obj_id (VALUE obj)
static int set_zero (st_data_t key, st_data_t val, st_data_t arg)
static VALUE count_objects (int argc, VALUE *argv, VALUE os)
static void gc_clear_slot_bits (struct heaps_slot *slot)
static size_t objspace_live_num (rb_objspace_t *objspace)
static void slot_sweep (rb_objspace_t *objspace, struct heaps_slot *sweep_slot)
static int ready_to_gc (rb_objspace_t *objspace)
static void before_gc_sweep (rb_objspace_t *objspace)
static void after_gc_sweep (rb_objspace_t *objspace)
static int lazy_sweep (rb_objspace_t *objspace)
static void gc_marks (rb_objspace_t *objspace)
static void gc_sweep (rb_objspace_t *objspace)
static void push_mark_stack (mark_stack_t *, VALUE)
static int pop_mark_stack (mark_stack_t *, VALUE *)
static void shrink_stack_chunk_cache (mark_stack_t *stack)
static stack_chunk_t * stack_chunk_alloc (void)
static int is_mark_stask_empty (mark_stack_t *stack)
static void add_stack_chunk_cache (mark_stack_t *stack, stack_chunk_t *chunk)
static void push_mark_stack_chunk (mark_stack_t *stack)
static void pop_mark_stack_chunk (mark_stack_t *stack)
int ruby_get_stack_grow_direction (volatile VALUE *addr)
size_t ruby_stack_length (VALUE **p)
static int stack_check (int water_mark)
int ruby_stack_check (void)
static void mark_locations_array (rb_objspace_t *objspace, register VALUE *x, register long n)
static void gc_mark_locations (rb_objspace_t *objspace, VALUE *start, VALUE *end)
void rb_gc_mark_locations (VALUE *start, VALUE *end)
static int mark_entry (st_data_t key, st_data_t value, st_data_t data)
static int mark_key (st_data_t key, st_data_t value, st_data_t data)
static void mark_set (rb_objspace_t *objspace, st_table *tbl)
void rb_mark_set (st_table *tbl)
static int mark_keyvalue (st_data_t key, st_data_t value, st_data_t data)
static void mark_hash (rb_objspace_t *objspace, st_table *tbl)
void rb_mark_hash (st_table *tbl)
static void mark_method_entry (rb_objspace_t *objspace, const rb_method_entry_t *me)
void rb_mark_method_entry (const rb_method_entry_t *me)
static int mark_method_entry_i (ID key, const rb_method_entry_t *me, st_data_t data)
static void mark_m_tbl (rb_objspace_t *objspace, st_table *tbl)
static int mark_const_entry_i (ID key, const rb_const_entry_t *ce, st_data_t data)
static void mark_const_tbl (rb_objspace_t *objspace, st_table *tbl)
static void mark_current_machine_context (rb_objspace_t *objspace, rb_thread_t *th)
void rb_gc_mark_machine_stack (rb_thread_t *th)
void rb_mark_tbl (st_table *tbl)
void rb_gc_mark_maybe (VALUE obj)
static int gc_mark_ptr (rb_objspace_t *objspace, VALUE ptr)
static int markable_object_p (rb_objspace_t *objspace, VALUE ptr)
int rb_objspace_markable_object_p (VALUE obj)
void rb_gc_mark (VALUE ptr)
void rb_gc_force_recycle (VALUE p)
void rb_gc_register_mark_object (VALUE obj)
void rb_gc_register_address (VALUE *addr)
void rb_gc_unregister_address (VALUE *addr)
static void * gc_with_gvl (void *ptr)
static int garbage_collect_with_gvl (rb_objspace_t *objspace)
int rb_garbage_collect (void)
void Init_stack (volatile VALUE *addr)
VALUE rb_gc_start (void)
void rb_gc (void)
int rb_during_gc (void)
static VALUE gc_count (VALUE self)
static VALUE gc_stat (int argc, VALUE *argv, VALUE self)
static VALUE gc_stress_get (VALUE self)
static VALUE gc_stress_set (VALUE self, VALUE flag)
VALUE rb_gc_enable (void)
VALUE rb_gc_disable (void)
void rb_gc_set_params (void)
void rb_objspace_reachable_objects_from (VALUE obj, void(func)(VALUE, void *), void *data)
static void vm_xfree (rb_objspace_t *objspace, void *ptr)
static void * negative_size_allocation_error_with_gvl (void *ptr)
static void * ruby_memerror_body (void *dummy)
static void ruby_memerror (void)
void rb_memerror (void)
static size_t vm_malloc_prepare (rb_objspace_t *objspace, size_t size)
static void * vm_malloc_fixup (rb_objspace_t *objspace, void *mem, size_t size)
static void * vm_xmalloc (rb_objspace_t *objspace, size_t size)
static void * vm_xrealloc (rb_objspace_t *objspace, void *ptr, size_t size)
void * ruby_xmalloc (size_t size)
static size_t xmalloc2_size (size_t n, size_t size)
void * ruby_xmalloc2 (size_t n, size_t size)
static void * vm_xcalloc (rb_objspace_t *objspace, size_t count, size_t elsize)
void * ruby_xcalloc (size_t n, size_t size)
void * ruby_xrealloc (void *ptr, size_t size)
void * ruby_xrealloc2 (void *ptr, size_t n, size_t size)
void ruby_xfree (void *x)
void * ruby_mimmalloc (size_t size)
static int wmap_mark_map (st_data_t key, st_data_t val, st_data_t arg)
static void wmap_mark (void *ptr)
static int wmap_free_map (st_data_t key, st_data_t val, st_data_t arg)
static void wmap_free (void *ptr)
size_t rb_ary_memsize (VALUE ary)
static int wmap_memsize_map (st_data_t key, st_data_t val, st_data_t arg)
static size_t wmap_memsize (const void *ptr)
static VALUE wmap_allocate (VALUE klass)
static int wmap_final_func (st_data_t *key, st_data_t *value, st_data_t arg, int existing)
static VALUE wmap_finalize (VALUE self, VALUE objid)
static VALUE wmap_aset (VALUE self, VALUE wmap, VALUE orig)
static VALUE wmap_aref (VALUE self, VALUE wmap)
static void gc_prof_set_heap_info (rb_objspace_t *, gc_profile_record *)
static VALUE gc_profile_clear (void)
static VALUE gc_profile_record_get (void)
static void gc_profile_dump_on (VALUE out, VALUE(*append)(VALUE, VALUE))
static VALUE gc_profile_result (void)
static VALUE gc_profile_report (int argc, VALUE *argv, VALUE self)
static VALUE gc_profile_total_time (VALUE self)
static VALUE gc_profile_enable_get (VALUE self)
static VALUE gc_profile_enable (void)
static VALUE gc_profile_disable (void)
void Init_GC (void)

Variables

static ruby_gc_params_t initial_params
int * ruby_initial_gc_stress_ptr = &ruby_initial_gc_stress
int ruby_gc_debug_indent = 0
VALUE rb_mGC
st_table * rb_class_tbl
int ruby_disable_gc_stress = 0
int ruby_stack_grow_direction
static const rb_data_type_t weakmap_type

Define Documentation

#define BITMAP_INDEX (   p)    (NUM_IN_SLOT(p) / (sizeof(uintptr_t) * CHAR_BIT))

Definition at line 313 of file gc.c.

#define BITMAP_OFFSET (   p)    (NUM_IN_SLOT(p) & ((sizeof(uintptr_t) * CHAR_BIT)-1))

Definition at line 314 of file gc.c.

#define CALC_EXACT_MALLOC_SIZE   0

Definition at line 205 of file gc.c.

#define CEILDIV (   i,
  mod 
)    (((i) + (mod) - 1)/(mod))

Definition at line 322 of file gc.c.

#define COUNT_TYPE (   t)    case (t): type = ID2SYM(rb_intern(#t)); break;

Referenced by count_objects().

#define deferred_final_list   objspace->final.deferred

Definition at line 285 of file gc.c.

Referenced by finalize_deferred(), rb_objspace_call_finalizer(), and slot_sweep().

#define dont_gc   objspace->flags.dont_gc

Definition at line 281 of file gc.c.

Referenced by garbage_collect_with_gvl(), newobj(), rb_gc_disable(), rb_gc_enable(), and ready_to_gc().

#define during_gc   objspace->flags.during_gc

Definition at line 282 of file gc.c.

Referenced by allocate_sorted_heaps(), assign_heap_slot(), garbage_collect(), gc_prepare_free_objects(), gc_sweep(), lazy_sweep(), newobj(), rb_during_gc(), rb_objspace_call_finalizer(), and ready_to_gc().

#define finalizer_table   objspace->final.table

Definition at line 284 of file gc.c.

Referenced by define_final0(), gc_marks(), init_heap(), rb_gc_copy_finalizer(), rb_objspace_call_finalizer(), rb_undefine_final(), and run_final().

#define finalizing   objspace->flags.finalizing

Definition at line 283 of file gc.c.

Referenced by rb_gc(), rb_gc_finalize_deferred(), rb_objspace_call_finalizer(), and slot_sweep().

#define FREE_MIN   4096

Definition at line 73 of file gc.c.

#define GC_MALLOC_LIMIT   8000000

Definition at line 70 of file gc.c.

#define GC_NOTIFY   0

Definition at line 3023 of file gc.c.

Referenced by garbage_collect().

#define GC_PROFILE_MORE_DETAIL   0

Definition at line 96 of file gc.c.

#define GC_PROFILE_RECORD_DEFAULT_SIZE   100

Definition at line 3880 of file gc.c.

Referenced by gc_prof_timer_start(), and gc_profile_clear().

#define GET_HEAP_BITMAP (   x)    (GET_HEAP_HEADER(x)->bits)

Definition at line 311 of file gc.c.

Referenced by gc_mark_ptr(), is_dead_object(), rb_gc_force_recycle(), and slot_sweep().

#define GET_HEAP_HEADER (   x)    (HEAP_HEADER((uintptr_t)(x) & ~(HEAP_ALIGN_MASK)))

Definition at line 309 of file gc.c.

#define GET_HEAP_SLOT (   x)    (GET_HEAP_HEADER(x)->base)

Definition at line 310 of file gc.c.

Referenced by add_slot_local_freelist().

#define GET_STACK_BOUNDS (   start,
  end,
  appendix 
)
Value:
((STACK_END < STACK_START) ? \
     ((start) = STACK_END, (end) = STACK_START) : ((start) = STACK_START, (end) = STACK_END+(appendix)))

Definition at line 2494 of file gc.c.

Referenced by mark_current_machine_context(), and rb_gc_mark_machine_stack().

#define global_List   objspace->global_list

Definition at line 286 of file gc.c.

Referenced by gc_marks(), rb_gc_register_address(), rb_gc_unregister_address(), and rb_objspace_free().

#define has_free_object   (objspace->heap.free_slots && objspace->heap.free_slots->freelist)

Definition at line 306 of file gc.c.

Referenced by gc_prepare_free_objects(), lazy_sweep(), newobj(), and ready_to_gc().

#define HEAP_ALIGN_LOG   14

Definition at line 319 of file gc.c.

#define HEAP_HEADER (   p)    ((struct heaps_header *)(p))

Definition at line 308 of file gc.c.

#define HEAP_MIN_SLOTS   10000

Definition at line 72 of file gc.c.

Referenced by init_heap().

#define heaps   objspace->heap.ptr

Definition at line 274 of file gc.c.

Referenced by assign_heap_slot(), before_gc_sweep(), garbage_collect(), rb_objspace_free(), and unlink_heap_slot().

#define heaps_freed   objspace->heap.freed

Definition at line 280 of file gc.c.

Referenced by free_unused_heaps().

#define heaps_inc   objspace->heap.increment

Definition at line 279 of file gc.c.

Referenced by add_heap_slots(), heaps_increment(), and set_heaps_increment().

#define heaps_length   objspace->heap.length

Definition at line 275 of file gc.c.

Referenced by add_heap_slots(), and set_heaps_increment().

#define heaps_used   objspace->heap.used

Definition at line 276 of file gc.c.

Referenced by add_heap_slots(), after_gc_sweep(), allocate_sorted_heaps(), assign_heap_slot(), before_gc_sweep(), count_objects(), free_unused_heaps(), gc_prepare_free_objects(), gc_prof_set_heap_info(), initial_expand_heap(), is_pointer_to_heap(), objspace_each_objects(), rb_objspace_call_finalizer(), rb_objspace_free(), and set_heaps_increment().

#define himem   objspace->heap.range[1]

Definition at line 278 of file gc.c.

Referenced by assign_heap_slot(), and is_pointer_to_heap().

#define initial_free_min   initial_params.initial_free_min

Definition at line 290 of file gc.c.

Referenced by before_gc_sweep(), and rb_gc_set_params().

#define initial_heap_min_slots   initial_params.initial_heap_min_slots

Definition at line 289 of file gc.c.

Referenced by initial_expand_heap(), and rb_gc_set_params().

#define initial_malloc_limit   initial_params.initial_malloc_limit

Definition at line 288 of file gc.c.

Referenced by after_gc_sweep(), rb_gc_set_params(), and rb_objspace_alloc().

#define is_lazy_sweeping (   objspace)    ((objspace)->heap.sweep_slots != 0)

Definition at line 292 of file gc.c.

Referenced by is_dead_object().

#define lomem   objspace->heap.range[0]

Definition at line 277 of file gc.c.

Referenced by assign_heap_slot().

#define malloc_increase   objspace->malloc_params.increase

Definition at line 273 of file gc.c.

Referenced by after_gc_sweep(), vm_malloc_fixup(), vm_malloc_prepare(), and vm_xrealloc().

#define malloc_limit   objspace->malloc_params.limit

Definition at line 272 of file gc.c.

Referenced by after_gc_sweep(), rb_objspace_alloc(), and vm_malloc_prepare().

#define MARK_IN_BITMAP (   bits,
  p 
)    (bits[BITMAP_INDEX(p)] = bits[BITMAP_INDEX(p)] | ((uintptr_t)1 << BITMAP_OFFSET(p)))

Definition at line 2245 of file gc.c.

Referenced by gc_mark_ptr().

#define MARKED_IN_BITMAP (   bits,
  p 
)    (bits[BITMAP_INDEX(p)] & ((uintptr_t)1 << BITMAP_OFFSET(p)))

Definition at line 315 of file gc.c.

Referenced by gc_mark_ptr(), is_dead_object(), rb_gc_force_recycle(), and slot_sweep().

#define nomem_error   GET_VM()->special_exceptions[ruby_error_nomemory]

Definition at line 93 of file gc.c.

Referenced by Init_GC(), and rb_memerror().

#define nonspecial_obj_id (   obj)    (VALUE)((SIGNED_VALUE)(obj)|FIXNUM_FLAG)

Definition at line 295 of file gc.c.

Referenced by rb_obj_id(), run_finalizer(), and wmap_aset().

#define NUM2PTR (   x)    NUM2ULONG(x)
#define NUM_IN_SLOT (   p)    (((uintptr_t)(p) & HEAP_ALIGN_MASK)/sizeof(RVALUE))

Definition at line 312 of file gc.c.

#define numberof (   array)    (int)(sizeof(array) / sizeof((array)[0]))

Definition at line 2499 of file gc.c.

Referenced by mark_current_machine_context().

#define obj_id_to_ref (   objid)    ((objid) ^ FIXNUM_FLAG) /* unset FIXNUM_FLAG */

Definition at line 296 of file gc.c.

Referenced by id2ref(), and wmap_finalize().

#define RANY (   o)    ((RVALUE*)(o))

Definition at line 305 of file gc.c.

Referenced by gc_mark_children(), is_pointer_to_heap(), markable_object_p(), newobj(), obj_free(), and rb_objspace_call_finalizer().

#define rb_gc_mark_locations (   start,
  end 
)    gc_mark_locations(objspace, (start), (end))

Definition at line 2348 of file gc.c.

Referenced by cont_mark(), env_mark(), mark_current_machine_context(), name_err_mesg_mark(), rb_gc_mark_machine_stack(), rb_gc_mark_symbols(), rb_thread_mark(), and rb_vm_mark().

#define rb_jmp_buf   rb_jmpbuf_t

Definition at line 67 of file gc.c.

Referenced by mark_current_machine_context().

#define rb_objspace   (*GET_VM()->objspace)

Definition at line 265 of file gc.c.

Referenced by count_objects(), define_final0(), gc_profile_clear(), gc_profile_disable(), gc_profile_dump_on(), gc_profile_enable(), gc_profile_enable_get(), gc_profile_record_get(), gc_profile_total_time(), gc_stat(), gc_stress_get(), gc_stress_set(), id2ref(), lazy_sweep_enable(), newobj(), objspace_each_objects(), rb_during_gc(), rb_gc(), rb_gc_copy_finalizer(), rb_gc_disable(), rb_gc_enable(), rb_gc_finalize_deferred(), rb_gc_force_recycle(), rb_gc_mark_machine_stack(), rb_gc_register_address(), rb_gc_unregister_address(), rb_objspace_each_objects(), rb_objspace_reachable_objects_from(), rb_undefine_final(), and wmap_aref().

#define rb_setjmp (   env)    RUBY_SETJMP(env)

Definition at line 66 of file gc.c.

Referenced by mark_current_machine_context().

#define ruby_gc_stress   objspace->gc_stress

Definition at line 287 of file gc.c.

Referenced by gc_stress_get(), gc_stress_set(), newobj(), rb_objspace_alloc(), vm_malloc_prepare(), and vm_xrealloc().

#define ruby_initial_gc_stress   initial_params.gc_stress

Definition at line 266 of file gc.c.

Referenced by rb_objspace_alloc().

#define SET_STACK_END   SET_MACHINE_STACK_END(&th->machine_stack_end)

Definition at line 2251 of file gc.c.

Referenced by gc_marks(), mark_current_machine_context(), ruby_stack_length(), and stack_check().

#define STACK_CHUNK_SIZE   500

Definition at line 188 of file gc.c.

Referenced by init_mark_stack().

#define STACK_END   (th->machine_stack_end)

Definition at line 2255 of file gc.c.

Referenced by mark_current_machine_context(), and ruby_stack_length().

#define STACK_LENGTH
Value:
((STACK_END < STACK_START) ? (size_t)(STACK_START - STACK_END) \
                        : (size_t)(STACK_END - STACK_START + 1))

Definition at line 2263 of file gc.c.

Referenced by ruby_stack_length(), and stack_check().

#define STACK_LEVEL_MAX   (th->machine_stack_maxsize/sizeof(VALUE))

Definition at line 2256 of file gc.c.

Referenced by stack_check().

#define STACK_START   (th->machine_stack_start)

Definition at line 2254 of file gc.c.

Referenced by mark_current_machine_context(), and ruby_stack_length().

#define STACKFRAME_FOR_CALL_CFUNC   512

Definition at line 2306 of file gc.c.

Referenced by ruby_stack_check().

#define STR_ASSOC   FL_USER3 /* copied from string.c */
#define TRY_WITH_GC (   alloc)
Value:
do { \
        if (!(alloc) && \
            (!garbage_collect_with_gvl(objspace) || \
             !(alloc))) { \
            ruby_memerror(); \
        } \
    } while (0)

Definition at line 3509 of file gc.c.

Referenced by vm_xcalloc(), and vm_xmalloc().

#define VALGRIND_MAKE_MEM_DEFINED (   p,
  n 
)    0

Definition at line 62 of file gc.c.

Referenced by mark_locations_array().

#define VALGRIND_MAKE_MEM_UNDEFINED (   p,
  n 
)    0

Definition at line 63 of file gc.c.

Referenced by add_slot_local_freelist(), and slot_sweep().

Typedef Documentation

typedef int each_obj_callback(void *, void *, size_t, void *)

Definition at line 1044 of file gc.c.

typedef struct gc_profile_record gc_profile_record
typedef struct mark_stack mark_stack_t
typedef struct rb_objspace rb_objspace_t
typedef struct RVALUE RVALUE
typedef struct stack_chunk stack_chunk_t

Enumeration Type Documentation

anonymous enum
Enumerator:
HEAP_ALIGN 
HEAP_ALIGN_MASK 
REQUIRED_SIZE_BY_MALLOC 
HEAP_SIZE 
HEAP_OBJ_LIMIT 
HEAP_BITMAP_LIMIT 

Definition at line 324 of file gc.c.

Function Documentation

static void add_heap_slots ( rb_objspace_t *  objspace,
size_t  add 
) [static]

Definition at line 558 of file gc.c.

References add, allocate_sorted_heaps(), assign_heap_slot(), heaps_inc, heaps_length, and heaps_used.

Referenced by init_heap(), and initial_expand_heap().

static struct heaps_slot* add_slot_local_freelist ( rb_objspace_t *  objspace,
RVALUE *  p 
) [static, read]

Definition at line 823 of file gc.c.

References RVALUE::as, RVALUE::free, heaps_slot::freelist, GET_HEAP_SLOT, and VALGRIND_MAKE_MEM_UNDEFINED.

Referenced by finalize_list(), and rb_gc_force_recycle().

static void add_stack_chunk_cache ( mark_stack_t *  stack,
stack_chunk_t *  chunk 
) [static]

Definition at line 2135 of file gc.c.

References mark_stack::cache, mark_stack::cache_size, and stack_chunk::next.

Referenced by init_mark_stack(), and pop_mark_stack_chunk().

static void after_gc_sweep ( rb_objspace_t *  objspace) [static]

Definition at line 1988 of file gc.c.

References ATOMIC_SIZE_EXCHANGE, rb_objspace::free_min, rb_objspace::free_num, free_unused_heaps(), gc_prof_set_malloc_info(), rb_objspace::heap, HEAP_OBJ_LIMIT, heaps_increment(), heaps_used, initial_malloc_limit, malloc_increase, malloc_limit, rb_objspace::marked_num, and set_heaps_increment().

Referenced by gc_prepare_free_objects(), gc_sweep(), and rest_sweep().

static void aligned_free ( void *  ptr) [static]

Definition at line 3461 of file gc.c.

References free.

Referenced by assign_heap_slot(), free_unused_heaps(), and rb_objspace_free().

static void * aligned_malloc ( size_t  alignment,
size_t  size 
) [static]

Definition at line 3426 of file gc.c.

References assert, malloc, and NULL.

Referenced by assign_heap_slot().

static void allocate_sorted_heaps ( rb_objspace_t *  objspace,
size_t  next_heaps_length 
) [static]

Definition at line 432 of file gc.c.

References add, during_gc, rb_objspace::free_bitmap, rb_objspace::heap, HEAP_BITMAP_LIMIT, heaps_used, malloc, heaps_free_bitmap::next, rb_memerror(), realloc, size, and rb_objspace::sorted.

Referenced by add_heap_slots(), and set_heaps_increment().

static void assign_heap_slot ( rb_objspace_t *  objspace) [static]

Definition at line 481 of file gc.c.

References aligned_free(), aligned_malloc(), RVALUE::as, assert, heaps_header::base, heaps_header::bits, during_gc, heaps_header::end, RVALUE::free, rb_objspace::free_bitmap, rb_objspace::heap, HEAP_ALIGN, HEAP_BITMAP_LIMIT, HEAP_OBJ_LIMIT, HEAP_SIZE, heaps, heaps_used, hi, himem, if(), heaps_header::limit, link_free_heap_slot(), lo, lomem, malloc, MEMMOVE, MEMZERO, heaps_free_bitmap::next, NULL, PRIuVALUE, rb_bug(), rb_memerror(), rb_objspace::sorted, and heaps_header::start.

Referenced by add_heap_slots(), and heaps_increment().

static void before_gc_sweep ( rb_objspace_t *  objspace) [static]

Definition at line 1968 of file gc.c.

References rb_objspace::do_heap_free, rb_objspace::free_min, rb_objspace::free_num, rb_objspace::free_slots, GET_VM, rb_objspace::heap, HEAP_OBJ_LIMIT, heaps, heaps_used, initial_free_min, NULL, rb_sweep_method_entry(), and rb_objspace::sweep_slots.

Referenced by gc_prepare_free_objects(), and gc_sweep().

static VALUE count_objects ( int  argc,
VALUE *  argv,
VALUE  os 
) [static]

Definition at line 1771 of file gc.c.

References RVALUE::as, RVALUE::basic, BUILTIN_TYPE, COUNT_TYPE, RBasic::flags, hash(), rb_objspace::heap, heaps_used, ID2SYM, INT2NUM, heaps_header::limit, Qnil, rb_eTypeError, rb_hash_aset(), rb_hash_new(), rb_intern, rb_objspace, rb_raise(), rb_scan_args(), RB_TYPE_P, RHASH_EMPTY_P, RHASH_TBL, set_zero(), SIZET2NUM, rb_objspace::sorted, st_foreach(), heaps_header::start, T_ARRAY, T_BIGNUM, T_CLASS, T_COMPLEX, T_DATA, T_FALSE, T_FILE, T_FIXNUM, T_FLOAT, T_HASH, T_ICLASS, T_MASK, T_MATCH, T_MODULE, T_NIL, T_NODE, T_NONE, T_OBJECT, T_RATIONAL, T_REGEXP, T_STRING, T_STRUCT, T_SYMBOL, T_TRUE, T_UNDEF, T_ZOMBIE, and type.

Referenced by Init_GC().

static VALUE define_final ( int  argc,
VALUE *  argv,
VALUE  os 
) [static]

Definition at line 1292 of file gc.c.

References define_final0(), rb_block_proc(), rb_check_frozen, rb_eArgError, rb_intern, rb_obj_classname(), rb_raise(), rb_respond_to(), and rb_scan_args().

Referenced by Init_GC().

static VALUE define_final0 ( VALUE  obj,
VALUE  block 
) [static]

Definition at line 1310 of file gc.c.

References finalizer_table, FL_ABLE, FL_FINALIZE, INT2FIX, OBJ_FREEZE, rb_ary_new3(), rb_ary_push(), rb_eArgError, rb_obj_classname(), rb_objspace, rb_raise(), rb_safe_level, RBASIC, st_add_direct(), and st_lookup().

Referenced by define_final(), and rb_define_final().

static void finalize_deferred ( rb_objspace_t *  objspace) [static]

Definition at line 1447 of file gc.c.

References deferred_final_list, and finalize_list().

Referenced by rb_gc(), rb_gc_finalize_deferred(), and rb_objspace_call_finalizer().

static void finalize_list ( rb_objspace_t *  objspace,
RVALUE *  p 
) [static]

Definition at line 1428 of file gc.c.

References add_slot_local_freelist(), RVALUE::as, FL_SINGLETON, FL_TEST, RVALUE::free, rb_objspace::free_num, heaps_slot::header, rb_objspace::heap, heaps_header::limit, RDATA, run_final(), and rb_objspace::total_freed_object_num.

Referenced by finalize_deferred(), and rb_objspace_call_finalizer().

static int force_chain_object ( st_data_t  key,
st_data_t  val,
st_data_t  arg 
) [static]

Definition at line 1472 of file gc.c.

References ALLOC, key, force_finalize_list::next, force_finalize_list::obj, prev, ST_CONTINUE, and force_finalize_list::table.

Referenced by rb_objspace_call_finalizer().

static int free_const_entry_i ( ID  key,
rb_const_entry_t *  ce,
st_data_t  data 
) [static]

Definition at line 807 of file gc.c.

References ST_CONTINUE, and xfree().

Referenced by rb_free_const_table().

static int free_method_entry_i ( ID  key,
rb_method_entry_t *  me,
st_data_t  data 
) [static]

Definition at line 791 of file gc.c.

References rb_method_entry_struct::mark, rb_free_method_entry(), and ST_CONTINUE.

Referenced by rb_free_m_table().

static void free_stack_chunks ( mark_stack_t *  stack) [static]

Definition at line 2191 of file gc.c.

References mark_stack::chunk, free, heaps_slot::next, stack_chunk::next, and NULL.

Referenced by rb_objspace_free().

static void free_unused_heaps ( rb_objspace_t *  objspace) [static]

Definition at line 852 of file gc.c.

References aligned_free(), heaps_header::bits, rb_objspace::free_bitmap, rb_objspace::heap, heaps_freed, heaps_used, last, heaps_header::limit, heaps_free_bitmap::next, and rb_objspace::sorted.

Referenced by after_gc_sweep(), and rb_gc().

static int garbage_collect ( rb_objspace_t *  objspace) [static]

Definition at line 3026 of file gc.c.

References during_gc, FALSE, gc_marks(), GC_NOTIFY, gc_prof_sweep_timer_start(), gc_prof_sweep_timer_stop(), gc_prof_timer_start(), gc_prof_timer_stop(), gc_sweep(), heaps, Qtrue, ready_to_gc(), rest_sweep(), and TRUE.

Referenced by garbage_collect_with_gvl(), gc_prepare_free_objects(), gc_with_gvl(), newobj(), rb_garbage_collect(), and rb_gc().

static int garbage_collect_with_gvl ( rb_objspace_t *  objspace) [static]

Definition at line 3060 of file gc.c.

References dont_gc, EXIT_FAILURE, garbage_collect(), gc_with_gvl(), rb_thread_call_with_gvl(), ruby_native_thread_p, ruby_thread_has_gvl_p(), and TRUE.

Referenced by vm_malloc_prepare(), and vm_xrealloc().

static void gc_clear_slot_bits ( struct heaps_slot *  slot) [static]

Definition at line 1870 of file gc.c.

References heaps_slot::bits, and HEAP_BITMAP_LIMIT.

Referenced by slot_sweep().

static VALUE gc_count ( VALUE  self) [static]

Definition at line 3136 of file gc.c.

References rb_objspace::count, and UINT2NUM.

Referenced by Init_GC().

static void gc_mark ( rb_objspace_t *  objspace,
VALUE  ptr 
) [static]

Definition at line 2584 of file gc.c.

References rb_objspace::mark_func_data_struct::data, gc_mark_ptr(), LIKELY, rb_objspace::mark_func_data_struct::mark_func, rb_objspace::mark_func_data, rb_objspace::mark_stack, markable_object_p(), and push_mark_stack().

Referenced by gc_mark_children(), mark_const_entry_i(), mark_entry(), mark_key(), mark_keyvalue(), mark_locations_array(), mark_method_entry(), rb_gc_mark(), and rb_gc_mark_maybe().

static void gc_mark_children ( rb_objspace_t *  objspace,
VALUE  ptr 
) [static]

Definition at line 2606 of file gc.c.

References RNode::args, args, RVALUE::as, BUILTIN_TYPE, RNode::cnt, FL_EXIVAR, FL_TEST, gc_mark(), gc_mark_ptr(), if(), is_pointer_to_heap(), LIKELY, rb_objspace::mark_func_data, mark_locations_array(), markable_object_p(), nd_type, RVALUE::node, RNode::node, NODE_ALIAS, NODE_ALLOCA, NODE_AND, NODE_ARGS, NODE_ARGS_AUX, NODE_ARGSCAT, NODE_ARRAY, NODE_BACK_REF, NODE_BLOCK, NODE_BLOCK_ARG, NODE_BLOCK_PASS, NODE_BREAK, NODE_CALL, NODE_CASE, NODE_CDECL, NODE_CLASS, NODE_COLON2, NODE_COLON3, NODE_CREF, NODE_CVAR, NODE_CVASGN, NODE_DASGN, NODE_DASGN_CURR, NODE_DEFINED, NODE_DEFN, NODE_DEFS, NODE_DOT2, NODE_DOT3, NODE_DREGX, NODE_DREGX_ONCE, NODE_DSTR, NODE_DVAR, NODE_DXSTR, NODE_ENSURE, NODE_ERRINFO, NODE_EVSTR, NODE_FALSE, NODE_FCALL, NODE_FLIP2, NODE_FLIP3, NODE_FOR, NODE_GASGN, NODE_GVAR, NODE_HASH, NODE_IASGN, NODE_IASGN2, NODE_IF, NODE_ITER, NODE_IVAR, NODE_LASGN, NODE_LIT, NODE_LVAR, NODE_MASGN, NODE_MATCH, NODE_MATCH2, NODE_MATCH3, NODE_MODULE, NODE_NEXT, NODE_NIL, NODE_NTH_REF, NODE_OP_ASGN1, NODE_OP_ASGN_AND, NODE_OP_ASGN_OR, NODE_OPT_ARG, NODE_OPT_N, NODE_OR, NODE_POSTEXE, NODE_REDO, NODE_RESBODY, NODE_RESCUE, NODE_RETRY, NODE_RETURN, NODE_SCLASS, NODE_SCOPE, NODE_SELF, NODE_SPLAT, NODE_STR, NODE_SUPER, NODE_TO_ARY, NODE_TRUE, NODE_UNDEF, NODE_UNTIL, NODE_VALIAS, NODE_VCALL, NODE_WHEN, NODE_WHILE, NODE_XSTR, NODE_YIELD, NODE_ZARRAY, NODE_ZSUPER, RANY, rb_bug(), rb_mark_generic_ivar(), T_FIXNUM, T_NIL, T_NODE, RNode::u1, RNode::u2, RNode::u3, and RNode::value.

Referenced by gc_mark_stacked_objects(), and rb_objspace_reachable_objects_from().

static void gc_mark_locations ( rb_objspace_t *  objspace,
VALUE *  start,
VALUE *  end 
) [static]

Definition at line 2333 of file gc.c.

References mark_locations_array().

Referenced by rb_gc_mark_locations().

static int gc_mark_ptr ( rb_objspace_t *  objspace,
VALUE  ptr 
) [static]

Definition at line 2557 of file gc.c.

References GET_HEAP_BITMAP, rb_objspace::heap, MARK_IN_BITMAP, MARKED_IN_BITMAP, and rb_objspace::marked_num.

Referenced by gc_mark(), gc_mark_children(), and wmap_mark_map().

static void gc_mark_stacked_objects ( rb_objspace_t *  objspace) [static]

Definition at line 2900 of file gc.c.

References gc_mark_children(), mark_stack::index, rb_objspace::mark_stack, pop_mark_stack(), and shrink_stack_chunk_cache().

Referenced by gc_marks().

static void gc_marks ( rb_objspace_t *  objspace) [static]

Definition at line 2913 of file gc.c.

References rb_objspace::count, finalizer_table, gc_mark_stacked_objects(), gc_prof_mark_timer_start(), gc_prof_mark_timer_stop(), GET_THREAD(), global_List, rb_objspace::heap, list, mark_current_machine_context(), rb_objspace::mark_func_data, mark_tbl(), rb_objspace::marked_num, gc_list::next, rb_gc_mark(), rb_gc_mark_encodings(), rb_gc_mark_global_tbl(), rb_gc_mark_maybe(), rb_gc_mark_parser(), rb_gc_mark_symbols(), rb_gc_mark_unlinked_live_method_entries(), rb_mark_end_proc(), rb_mark_generic_ivar_tbl(), rb_vm_mark(), rb_vm_struct::self, SET_STACK_END, gc_list::varptr, and rb_thread_struct::vm.

Referenced by garbage_collect(), and gc_prepare_free_objects().

static int gc_prepare_free_objects ( rb_objspace_t *  objspace) [static]

Definition at line 2040 of file gc.c.

References after_gc_sweep(), before_gc_sweep(), rb_objspace::dont_lazy_sweep, during_gc, rb_objspace::flags, rb_objspace::free_min, garbage_collect(), gc_marks(), gc_prof_set_malloc_info(), gc_prof_sweep_timer_start(), gc_prof_sweep_timer_stop(), gc_prof_timer_start(), gc_prof_timer_stop(), has_free_object, rb_objspace::heap, HEAP_OBJ_LIMIT, heaps_increment(), heaps_used, lazy_sweep(), rb_objspace::marked_num, Qfalse, Qtrue, ready_to_gc(), set_heaps_increment(), rb_objspace::sweep_slots, and TRUE.

Referenced by newobj().

static void gc_prof_mark_timer_start ( rb_objspace_t *  objspace) [inline, static]

Definition at line 3980 of file gc.c.

Referenced by gc_marks().

static void gc_prof_mark_timer_stop ( rb_objspace_t *  objspace) [inline, static]

Definition at line 3988 of file gc.c.

Referenced by gc_marks().

static void gc_prof_set_heap_info ( rb_objspace_t *  objspace,
gc_profile_record *  record 
) [inline, static]

Definition at line 4017 of file gc.c.

References HEAP_OBJ_LIMIT, gc_profile_record::heap_total_objects, gc_profile_record::heap_total_size, gc_profile_record::heap_use_size, heaps_used, and objspace_live_num().

Referenced by gc_prof_timer_stop().

static void gc_prof_set_malloc_info ( rb_objspace_t *  objspace) [inline, static]

Definition at line 4012 of file gc.c.

Referenced by after_gc_sweep(), and gc_prepare_free_objects().

static void gc_prof_sweep_timer_start ( rb_objspace_t *  objspace) [inline, static]

Definition at line 3996 of file gc.c.

Referenced by garbage_collect(), and gc_prepare_free_objects().

static void gc_prof_sweep_timer_stop ( rb_objspace_t *  objspace) [inline, static]

Definition at line 4004 of file gc.c.

Referenced by garbage_collect(), and gc_prepare_free_objects().

static void gc_prof_timer_start ( rb_objspace_t *  objspace) [inline, static]

Definition at line 3937 of file gc.c.

References count, rb_objspace::count, gc_profile_record::gc_invoke_time, GC_PROFILE_RECORD_DEFAULT_SIZE, gc_profile_record::gc_time, getrusage_time(), rb_objspace::invoke_time, malloc, MEMZERO, rb_objspace::profile, rb_bug(), realloc, rb_objspace::record, rb_objspace::run, and rb_objspace::size.

Referenced by garbage_collect(), and gc_prepare_free_objects().

static void gc_prof_timer_stop ( rb_objspace_t *  objspace,
int  marked 
) [inline, static]

Definition at line 3961 of file gc.c.

References count, rb_objspace::count, gc_prof_set_heap_info(), gc_profile_record::gc_time, getrusage_time(), gc_profile_record::is_marked, rb_objspace::profile, rb_objspace::record, and rb_objspace::run.

Referenced by garbage_collect(), and gc_prepare_free_objects().

static VALUE gc_profile_clear ( void  ) [static]

Definition at line 4128 of file gc.c.

References rb_objspace::count, GC_PROFILE_RECORD_DEFAULT_SIZE, MEMZERO, rb_objspace::profile, Qnil, rb_memerror(), rb_objspace, realloc, rb_objspace::record, and rb_objspace::size.

Referenced by Init_GC().

static VALUE gc_profile_disable ( void  ) [static]

Definition at line 4376 of file gc.c.

References FALSE, rb_objspace::profile, Qnil, rb_objspace, and rb_objspace::run.

Referenced by Init_GC().

static void gc_profile_dump_on ( VALUE  out,
VALUE(*)(VALUE, VALUE)  append 
) [static]

Definition at line 4231 of file gc.c.

References count, rb_objspace::count, gc_profile_record::gc_invoke_time, gc_profile_record::gc_time, gc_profile_record::heap_total_objects, gc_profile_record::heap_total_size, gc_profile_record::heap_use_size, gc_profile_record::is_marked, PRIuSIZE, rb_objspace::profile, rb_objspace, rb_sprintf(), rb_str_new_cstr(), rb_objspace::record, and rb_objspace::run.

Referenced by gc_profile_report(), and gc_profile_result().

static VALUE gc_profile_enable ( void  ) [static]

Definition at line 4359 of file gc.c.

References rb_objspace::profile, Qnil, rb_objspace, rb_objspace::run, and TRUE.

Referenced by Init_GC().

static VALUE gc_profile_enable_get ( VALUE  self) [static]

Definition at line 4344 of file gc.c.

References rb_objspace::profile, Qfalse, Qtrue, rb_objspace, and rb_objspace::run.

Referenced by Init_GC().

static VALUE gc_profile_record_get ( void  ) [static]

Definition at line 4195 of file gc.c.

References rb_objspace::count, DBL2NUM, gc_profile_record::gc_invoke_time, gc_profile_record::gc_time, gc_profile_record::heap_total_objects, gc_profile_record::heap_total_size, gc_profile_record::heap_use_size, ID2SYM, gc_profile_record::is_marked, rb_objspace::profile, Qnil, rb_ary_new(), rb_ary_push(), rb_hash_aset(), rb_hash_new(), rb_intern, rb_objspace, rb_objspace::record, rb_objspace::run, and SIZET2NUM.

Referenced by Init_GC().

static VALUE gc_profile_report ( int  argc,
VALUE *  argv,
VALUE  self 
) [static]

Definition at line 4299 of file gc.c.

References gc_profile_dump_on(), Qnil, rb_io_write(), rb_scan_args(), and rb_stdout.

Referenced by Init_GC().

static VALUE gc_profile_result ( void  ) [static]

Definition at line 4282 of file gc.c.

References gc_profile_dump_on(), rb_str_buf_append(), and rb_str_buf_new().

Referenced by Init_GC().

static VALUE gc_profile_total_time ( VALUE  self) [static]

Definition at line 4322 of file gc.c.

References rb_objspace::count, DBL2NUM, gc_profile_record::gc_time, rb_objspace::profile, rb_objspace, rb_objspace::record, and rb_objspace::run.

Referenced by Init_GC().

static VALUE gc_stat ( int  argc,
VALUE *  argv,
VALUE  self 
) [static]

Definition at line 3169 of file gc.c.

References rb_objspace::count, rb_objspace::final_num, rb_objspace::free_num, hash(), rb_objspace::heap, ID2SYM, rb_objspace::increment, rb_objspace::length, objspace_live_num(), Qnil, rb_eTypeError, rb_hash_aset(), rb_hash_new(), rb_intern_const, rb_objspace, rb_raise(), rb_scan_args(), RB_TYPE_P, rest_sweep(), SIZET2NUM, T_HASH, rb_objspace::total_allocated_object_num, rb_objspace::total_freed_object_num, and rb_objspace::used.

Referenced by Init_GC().

static VALUE gc_stress_get ( VALUE  self) [static]

Definition at line 3222 of file gc.c.

References Qfalse, Qtrue, rb_objspace, and ruby_gc_stress.

Referenced by Init_GC().

static VALUE gc_stress_set ( VALUE  self,
VALUE  flag 
) [static]

Definition at line 3241 of file gc.c.

References rb_objspace, rb_secure(), RTEST, and ruby_gc_stress.

Referenced by Init_GC().

static void gc_sweep ( rb_objspace_t *  objspace) [static]

Definition at line 2093 of file gc.c.

References after_gc_sweep(), before_gc_sweep(), during_gc, rb_objspace::heap, heaps_slot::next, slot_sweep(), and rb_objspace::sweep_slots.

Referenced by garbage_collect().

static void* gc_with_gvl ( void *  ptr) [static]

Definition at line 3054 of file gc.c.

References garbage_collect().

Referenced by garbage_collect_with_gvl().

static double getrusage_time ( void  ) [static]

Definition at line 3883 of file gc.c.

References getrusage(), timespec::tv_nsec, timeval::tv_sec, timespec::tv_sec, and timeval::tv_usec.

Referenced by gc_prof_timer_start(), gc_prof_timer_stop(), and init_heap().

static int heaps_increment ( rb_objspace_t *  objspace) [static]

Definition at line 624 of file gc.c.

References assign_heap_slot(), FALSE, heaps_inc, and TRUE.

Referenced by after_gc_sweep(), gc_prepare_free_objects(), lazy_sweep(), and ready_to_gc().

static VALUE id2ref ( VALUE  obj,
VALUE  objid 
) [static]

Definition at line 1617 of file gc.c.

References FIXNUM_P, FLONUM_P, ID2SYM, is_id_value(), is_live_object(), NUM2PTR, obj_id_to_ref, Qfalse, Qnil, Qtrue, rb_eRangeError, rb_id2name(), rb_objspace, rb_raise(), and rb_secure().

Referenced by Init_GC().

void Init_GC ( void  )

Definition at line 4498 of file gc.c.

References count_objects(), define_final(), gc_count(), gc_profile_clear(), gc_profile_disable(), gc_profile_enable(), gc_profile_enable_get(), gc_profile_record_get(), gc_profile_report(), gc_profile_result(), gc_profile_total_time(), gc_stat(), gc_stress_get(), gc_stress_set(), id2ref(), nomem_error, OBJ_FREEZE, OBJ_TAINT, os_each_obj(), rb_cBasicObject, rb_cObject, rb_define_alloc_func(), rb_define_class_under(), rb_define_method(), rb_define_module(), rb_define_module_function(), rb_define_module_under(), rb_define_private_method(), rb_define_singleton_method(), rb_eNoMemError, rb_exc_new3(), rb_gc_disable(), rb_gc_enable(), rb_gc_start(), rb_mKernel, rb_obj_freeze(), rb_obj_id(), rb_str_new2(), undefine_final(), wmap_allocate(), wmap_aref(), wmap_aset(), and wmap_finalize().

static void init_heap ( rb_objspace_t *  objspace) [static]

Definition at line 577 of file gc.c.

References add_heap_slots(), finalizer_table, free, GET_THREAD(), getrusage_time(), HEAP_MIN_SLOTS, HEAP_OBJ_LIMIT, init_mark_stack(), rb_objspace::invoke_time, malloc, rb_objspace::mark_stack, rb_objspace::profile, rb_sigaltstack_size(), and st_init_numtable().

Referenced by Init_heap().

void Init_heap ( void  )

Definition at line 1039 of file gc.c.

References init_heap().

Referenced by ruby_setup().

static void init_mark_stack ( mark_stack_t *  stack) [static]

Definition at line 2229 of file gc.c.

References add_stack_chunk_cache(), mark_stack::cache_size, mark_stack::limit, push_mark_stack_chunk(), stack_chunk_alloc(), STACK_CHUNK_SIZE, and mark_stack::unused_cache_size.

Referenced by init_heap().

void Init_stack ( volatile VALUE *  addr)

Definition at line 3087 of file gc.c.

References ruby_init_stack().

static void initial_expand_heap ( rb_objspace_t *  objspace) [static]

Definition at line 597 of file gc.c.

References add_heap_slots(), HEAP_OBJ_LIMIT, heaps_used, and initial_heap_min_slots.

Referenced by rb_gc_set_params().

static int internal_object_p ( VALUE  obj) [static]

Definition at line 1147 of file gc.c.

References RVALUE::as, RVALUE::basic, BUILTIN_TYPE, FL_SINGLETON, FL_TEST, RBasic::flags, RBasic::klass, T_CLASS, T_ICLASS, T_NODE, T_NONE, and T_ZOMBIE.

Referenced by os_obj_of_i(), and rb_objspace_internal_object_p().

static int is_dead_object ( rb_objspace_t *  objspace,
VALUE  ptr 
) [inline, static]

Definition at line 1585 of file gc.c.

References FALSE, GET_HEAP_BITMAP, is_lazy_sweeping, is_swept_object(), MARKED_IN_BITMAP, and TRUE.

Referenced by is_live_object().

static int is_id_value ( rb_objspace_t *  objspace,
VALUE  ptr 
) [inline, static]

Definition at line 1563 of file gc.c.

References BUILTIN_TYPE, FALSE, is_pointer_to_heap(), T_FIXNUM, T_ICLASS, and TRUE.

Referenced by id2ref(), and wmap_aref().

static int is_live_object ( rb_objspace_t *  objspace,
VALUE  ptr 
) [inline, static]

Definition at line 1595 of file gc.c.

References BUILTIN_TYPE, FALSE, is_dead_object(), RBASIC, and TRUE.

Referenced by id2ref(), and wmap_aref().

static int is_mark_stask_empty ( mark_stack_t *  stack) [inline, static]

Definition at line 2129 of file gc.c.

References mark_stack::chunk, and NULL.

Referenced by pop_mark_stack().

static int is_pointer_to_heap ( rb_objspace_t *  objspace,
void *  ptr 
) [inline, static]

Definition at line 763 of file gc.c.

References heaps_header::end, FALSE, rb_objspace::heap, heaps_used, hi, himem, lo, RANY, rb_objspace::sorted, heaps_header::start, and TRUE.

Referenced by gc_mark_children(), is_id_value(), mark_locations_array(), and rb_gc_mark_maybe().

static int is_swept_object ( rb_objspace_t *  objspace,
VALUE  ptr 
) [inline, static]

Definition at line 1572 of file gc.c.

References heaps_header::end, FALSE, heaps_slot::header, rb_objspace::heap, heaps_slot::next, heaps_header::start, rb_objspace::sweep_slots, and TRUE.

Referenced by is_dead_object().

static int lazy_sweep ( rb_objspace_t *  objspace) [static]

Definition at line 2009 of file gc.c.

References during_gc, FALSE, has_free_object, rb_objspace::heap, heaps_increment(), heaps_slot::next, slot_sweep(), rb_objspace::sweep_slots, and TRUE.

Referenced by gc_prepare_free_objects(), and rest_sweep().

static VALUE lazy_sweep_enable ( void  ) [static]

Definition at line 1861 of file gc.c.

References rb_objspace::dont_lazy_sweep, FALSE, rb_objspace::flags, Qnil, and rb_objspace.

Referenced by rb_objspace_each_objects().

static void link_free_heap_slot ( rb_objspace_t *  objspace,
struct heaps_slot *  slot 
) [static]

Definition at line 467 of file gc.c.

References heaps_slot::free_next, rb_objspace::free_slots, and rb_objspace::heap.

Referenced by assign_heap_slot(), rb_gc_force_recycle(), and slot_sweep().

static void make_deferred ( RVALUE *  p) [inline, static]

Definition at line 889 of file gc.c.

References RVALUE::as, RVALUE::basic, RBasic::flags, T_MASK, and T_ZOMBIE.

Referenced by make_io_deferred(), obj_free(), and rb_objspace_call_finalizer().

static void make_io_deferred ( RVALUE *  p) [inline, static]

Definition at line 895 of file gc.c.

References RVALUE::as, RVALUE::data, RData::data, RData::dfree, RVALUE::file, RFile::fptr, make_deferred(), and rb_io_fptr_finalize().

Referenced by obj_free(), and rb_objspace_call_finalizer().

static int mark_const_entry_i ( ID  key,
const rb_const_entry_t *  ce,
st_data_t  data 
) [static]

Definition at line 2472 of file gc.c.

References rb_const_entry_struct::file, gc_mark(), mark_tbl_arg::objspace, ST_CONTINUE, and rb_const_entry_struct::value.

Referenced by mark_const_tbl().

static void mark_const_tbl ( rb_objspace_t *  objspace,
st_table *  tbl 
) [static]

Definition at line 2481 of file gc.c.

References mark_const_entry_i(), mark_tbl_arg::objspace, and st_foreach().

static void mark_current_machine_context ( rb_objspace_t *  objspace,
rb_thread_t *  th 
) [static]

Definition at line 2502 of file gc.c.

References FLUSH_REGISTER_WINDOWS, GET_STACK_BOUNDS, mark_locations_array(), numberof, rb_gc_mark_locations, rb_jmp_buf, rb_setjmp, SET_STACK_END, STACK_END, and STACK_START.

Referenced by gc_marks().

static int mark_entry ( st_data_t  key,
st_data_t  value,
st_data_t  data 
) [static]

Definition at line 2355 of file gc.c.

References gc_mark(), mark_tbl_arg::objspace, and ST_CONTINUE.

Referenced by mark_tbl().

static void mark_hash ( rb_objspace_t *  objspace,
st_table *  tbl 
) [static]

Definition at line 2404 of file gc.c.

References mark_keyvalue(), mark_tbl_arg::objspace, and st_foreach().

Referenced by rb_mark_hash().

static int mark_key ( st_data_t  key,
st_data_t  value,
st_data_t  data 
) [static]

Definition at line 2372 of file gc.c.

References gc_mark(), mark_tbl_arg::objspace, and ST_CONTINUE.

Referenced by mark_set().

static int mark_keyvalue ( st_data_t  key,
st_data_t  value,
st_data_t  data 
) [static]

Definition at line 2395 of file gc.c.

References gc_mark(), mark_tbl_arg::objspace, and ST_CONTINUE.

Referenced by mark_hash().

static void mark_locations_array ( rb_objspace_t *  objspace,
register VALUE *  x,
register long  n 
) [static]

Definition at line 2319 of file gc.c.

References gc_mark(), is_pointer_to_heap(), and VALGRIND_MAKE_MEM_DEFINED.

Referenced by gc_mark_children(), gc_mark_locations(), and mark_current_machine_context().

static void mark_m_tbl ( rb_objspace_t *  objspace,
st_table *  tbl 
) [static]

Definition at line 2463 of file gc.c.

References mark_method_entry_i(), mark_tbl_arg::objspace, and st_foreach().

static void mark_method_entry ( rb_objspace_t *  objspace,
const rb_method_entry_t *  me 
) [static]

Definition at line 2419 of file gc.c.

References rb_method_definition_struct::attr, rb_method_definition_struct::body, rb_method_entry_struct::def, gc_mark(), rb_method_definition_struct::iseq, rb_method_entry_struct::klass, rb_method_attr_struct::location, rb_method_definition_struct::orig_me, rb_method_definition_struct::proc, rb_iseq_struct::self, rb_method_definition_struct::type, VM_METHOD_TYPE_ATTRSET, VM_METHOD_TYPE_BMETHOD, VM_METHOD_TYPE_ISEQ, VM_METHOD_TYPE_IVAR, and VM_METHOD_TYPE_REFINED.

Referenced by mark_method_entry_i(), and rb_mark_method_entry().

static int mark_method_entry_i ( ID  key,
const rb_method_entry_t *  me,
st_data_t  data 
) [static]

Definition at line 2455 of file gc.c.

References mark_method_entry(), mark_tbl_arg::objspace, and ST_CONTINUE.

Referenced by mark_m_tbl().

static void mark_set ( rb_objspace_t *  objspace,
st_table *  tbl 
) [static]

Definition at line 2380 of file gc.c.

References mark_key(), mark_tbl_arg::objspace, and st_foreach().

Referenced by rb_mark_set().

static void mark_tbl ( rb_objspace_t *  objspace,
st_table *  tbl 
) [static]

Definition at line 2363 of file gc.c.

References mark_entry(), st_table::num_entries, mark_tbl_arg::objspace, and st_foreach().

Referenced by gc_marks(), and rb_mark_tbl().

static int markable_object_p ( rb_objspace_t *  objspace,
VALUE  ptr 
) [static]

Definition at line 2567 of file gc.c.

References RVALUE::as, RVALUE::basic, RBasic::flags, RANY, and rb_special_const_p().

Referenced by gc_mark(), gc_mark_children(), rb_objspace_markable_object_p(), and rb_objspace_reachable_objects_from().

static void negative_size_allocation_error ( const char *  msg) [static]

Definition at line 3366 of file gc.c.

References EXIT_FAILURE, negative_size_allocation_error_with_gvl(), rb_eNoMemError, rb_raise(), rb_thread_call_with_gvl(), ruby_native_thread_p, and ruby_thread_has_gvl_p().

Referenced by vm_malloc_prepare(), and vm_xrealloc().

static void* negative_size_allocation_error_with_gvl ( void *  ptr) [static]

Definition at line 3359 of file gc.c.

References rb_eNoMemError, and rb_raise().

Referenced by negative_size_allocation_error().

static VALUE newobj ( VALUE  klass,
VALUE  flags 
) [static]

Definition at line 635 of file gc.c.

References dont_gc, during_gc, rb_objspace::free_slots, heaps_slot::freelist, garbage_collect(), gc_prepare_free_objects(), has_free_object, rb_objspace::heap, MEMZERO, NULL, RANY, rb_bug(), rb_memerror(), rb_objspace, rb_sourcefile, rb_sourceline(), ruby_gc_stress, rb_objspace::total_allocated_object_num, UNLIKELY, and unlink_free_heap_slot().

Referenced by rb_newobj(), and rb_newobj_of().

static int obj_free ( rb_objspace_t *  objspace,
VALUE  obj 
) [static]

Definition at line 904 of file gc.c.

References BUILTIN_TYPE, rmatch::char_offset, DATA_PTR, FL_EXIVAR, FL_TEST, FL_UNSET, make_deferred(), make_io_deferred(), nd_type, NODE_ALLOCA, NODE_ARGS, NODE_SCOPE, onig_free(), onig_region_free(), PRIxVALUE, RANY, rb_ary_free(), rb_bug(), rb_clear_cache_by_class(), rb_free_const_table(), rb_free_generic_ivar(), rb_free_m_table(), rb_str_free(), RBASIC, RBIGNUM_DIGITS, RBIGNUM_EMBED_FLAG, RCLASS_CONST_TBL, RCLASS_IV_INDEX_TBL, RCLASS_IV_TBL, RCLASS_M_TBL, RDATA, rmatch::regs, ROBJECT_EMBED, RSTRUCT_EMBED_LEN_MASK, RTYPEDDATA_P, st_free_table(), T_ARRAY, T_BIGNUM, T_CLASS, T_COMPLEX, T_DATA, T_FALSE, T_FILE, T_FIXNUM, T_FLOAT, T_HASH, T_ICLASS, T_MATCH, T_MODULE, T_NIL, T_NODE, T_OBJECT, T_RATIONAL, T_REGEXP, T_STRING, T_STRUCT, T_TRUE, and xfree().

Referenced by slot_sweep().

static VALUE objspace_each_objects ( VALUE  arg) [static]

Definition at line 1052 of file gc.c.

References args, RVALUE::as, RVALUE::basic, each_obj_args::callback, each_obj_args::data, RBasic::flags, rb_objspace::heap, heaps_used, heaps_header::limit, Qnil, RB_GC_GUARD, rb_objspace, rb_objspace::sorted, and heaps_header::start.

Referenced by rb_objspace_each_objects().

static size_t objspace_live_num ( rb_objspace_t *  objspace) [static]

Definition at line 1876 of file gc.c.

References rb_objspace::total_allocated_object_num, and rb_objspace::total_freed_object_num.

Referenced by gc_prof_set_heap_info(), and gc_stat().

static VALUE os_each_obj ( int  argc,
VALUE *  argv,
VALUE  os 
) [static]

Definition at line 1242 of file gc.c.

References os_each_struct::of, os_obj_of(), rb_scan_args(), rb_secure(), and RETURN_ENUMERATOR.

Referenced by Init_GC().

static VALUE os_obj_of ( VALUE  of) [static]

Definition at line 1195 of file gc.c.

References os_each_struct::num, os_each_struct::of, os_obj_of_i(), rb_objspace_each_objects(), and SIZET2NUM.

Referenced by os_each_obj().

static int os_obj_of_i ( void *  vstart,
void *  vend,
size_t  stride,
void *  data 
) [static]

Definition at line 1176 of file gc.c.

References internal_object_p(), os_each_struct::num, os_each_struct::of, rb_obj_is_kind_of(), and rb_yield().

Referenced by os_obj_of().

static int pop_mark_stack ( mark_stack_t *  stack,
VALUE *  data 
) [static]

Definition at line 2214 of file gc.c.

References mark_stack::chunk, stack_chunk::data, FALSE, mark_stack::index, is_mark_stask_empty(), pop_mark_stack_chunk(), and TRUE.

Referenced by gc_mark_stacked_objects().

static void pop_mark_stack_chunk ( mark_stack_t *  stack) [static]

Definition at line 2178 of file gc.c.

References add_stack_chunk_cache(), assert, mark_stack::chunk, mark_stack::index, mark_stack::limit, stack_chunk::next, and prev.

Referenced by pop_mark_stack().

static void push_mark_stack ( mark_stack_t *  stack,
VALUE  data 
) [static]

Definition at line 2205 of file gc.c.

References mark_stack::chunk, stack_chunk::data, mark_stack::index, mark_stack::limit, and push_mark_stack_chunk().

Referenced by gc_mark().

static void push_mark_stack_chunk ( mark_stack_t *  stack) [static]

Definition at line 2157 of file gc.c.

References assert, mark_stack::cache, mark_stack::cache_size, mark_stack::chunk, mark_stack::index, mark_stack::limit, heaps_slot::next, stack_chunk::next, stack_chunk_alloc(), and mark_stack::unused_cache_size.

Referenced by init_mark_stack(), and push_mark_stack().

size_t rb_ary_memsize ( VALUE  ary)

Definition at line 479 of file array.c.

References ARY_OWNS_HEAP_P, and RARRAY.

Referenced by memsize_of(), and wmap_memsize_map().

VALUE rb_data_object_alloc ( VALUE  klass,
void *  datap,
RUBY_DATA_FUNC  dmark,
RUBY_DATA_FUNC  dfree 
)

Definition at line 709 of file gc.c.

References Check_Type, NEWOBJ, OBJSETUP, T_CLASS, and T_DATA.

VALUE rb_data_typed_object_alloc ( VALUE  klass,
void *  datap,
const rb_data_type_t *  type 
)

Definition at line 722 of file gc.c.

References Check_Type, NEWOBJ, OBJSETUP, T_CLASS, T_DATA, and type.

Referenced by iow_newobj().

VALUE rb_define_final ( VALUE  obj,
VALUE  block 
)

Definition at line 1338 of file gc.c.

References define_final0(), rb_check_frozen, rb_eArgError, rb_intern, rb_obj_classname(), rb_raise(), and rb_respond_to().

Referenced by wmap_aset().

int rb_during_gc ( void  )

Definition at line 3119 of file gc.c.

References during_gc, and rb_objspace.

void rb_free_const_table ( st_table *  tbl)

Definition at line 814 of file gc.c.

References free_const_entry_i(), st_foreach(), and st_free_table().

Referenced by init_copy(), obj_free(), and rb_mod_init_copy().

void rb_free_m_table ( st_table *  tbl)

Definition at line 800 of file gc.c.

References free_method_entry_i(), st_foreach(), and st_free_table().

Referenced by obj_free(), and rb_mod_init_copy().

int rb_garbage_collect ( void  )

Definition at line 3079 of file gc.c.

References garbage_collect().

void rb_gc ( void  )

Definition at line 3110 of file gc.c.

References finalize_deferred(), finalizing, free_unused_heaps(), garbage_collect(), and rb_objspace.

Referenced by dir_initialize(), getDevice(), rb_fdopen(), rb_gc_start(), rb_pipe(), rb_sysopen(), rsock_s_accept(), rsock_socket(), and ruby_dup().

void rb_gc_call_finalizer_at_exit ( void  )

Definition at line 1484 of file gc.c.

References rb_objspace_call_finalizer().

Referenced by ruby_finalize_1().

void rb_gc_copy_finalizer ( VALUE  dest,
VALUE  obj 
)

Definition at line 1349 of file gc.c.

References finalizer_table, FL_FINALIZE, FL_SET, FL_TEST, rb_objspace, st_insert(), and st_lookup().

Referenced by init_copy().

VALUE rb_gc_disable ( void  )

Definition at line 3285 of file gc.c.

References dont_gc, Qfalse, Qtrue, rb_objspace, rest_sweep(), and TRUE.

Referenced by cbsubst_scan_args(), Init_GC(), ip_ruby_cmd(), lib_merge_tklist(), lib_split_tklist_core(), tcl_protect_core(), and tk_conv_args().

VALUE rb_gc_enable ( void  )

Definition at line 3263 of file gc.c.

References dont_gc, FALSE, Qfalse, Qtrue, and rb_objspace.

Referenced by cbsubst_scan_args(), Init_GC(), ip_ruby_cmd(), lib_merge_tklist(), lib_split_tklist_core(), tcl_protect_core(), and tk_conv_args().

void rb_gc_finalize_deferred ( void  )

Definition at line 1457 of file gc.c.

References ATOMIC_EXCHANGE, ATOMIC_SET, finalize_deferred(), finalizing, and rb_objspace.

Referenced by rb_threadptr_execute_interrupts().

void rb_gc_force_recycle ( VALUE  p)

Definition at line 2963 of file gc.c.

References add_slot_local_freelist(), heaps_slot::free_next, rb_objspace::free_num, GET_HEAP_BITMAP, rb_objspace::heap, link_free_heap_slot(), MARKED_IN_BITMAP, NULL, rb_objspace, and rb_objspace::total_freed_object_num.

Referenced by call_queue_handler(), dispose_string(), eval_queue_handler(), fixup_nodes(), invoke_queue_handler(), literal_concat_gen(), parser_heredoc_restore(), parser_yylex(), rb_ary_decrement_share(), rb_parser_free(), RUBY_ALIAS_FUNCTION(), ruby_vm_destruct(), and yyparse().

void rb_gc_mark ( VALUE  ptr)

Definition at line 2600 of file gc.c.

References gc_mark().

Referenced by _thread_call_proc_arg_mark(), addrinfo_mark(), argf_mark(), autoload_i_mark(), backtrace_mark(), bm_mark(), call_queue_mark(), cont_mark(), cparse_params_mark(), d_lite_gc_mark(), dir_mark(), dlcfunc_mark(), dlptr_mark(), enumerator_mark(), eval_queue_mark(), fiber_mark(), fiddle_ptr_mark(), gc_marks(), generator_mark(), givar_mark_i(), gzfile_mark(), invoke_queue_mark(), iow_mark(), location_mark(), location_mark_entry(), mark_dump_arg(), mark_exec_arg(), mark_marshal_compat_i(), parser_mark(), random_mark(), rb_mark_end_proc(), rb_thread_mark(), rb_vm_mark(), strio_mark(), strscan_mark(), subst_mark(), thread_shield_mark(), time_mark(), tp_mark(), vm_mark_each_thread_func(), vm_trace_mark_event_hooks(), wmap_mark(), yielder_mark(), and zstream_mark().

void rb_gc_mark_locations ( VALUE *  start,
VALUE *  end 
)

Definition at line 2343 of file gc.c.

References gc_mark_locations().

void rb_gc_mark_machine_stack ( rb_thread_t *  th)

Definition at line 2530 of file gc.c.

References GET_STACK_BOUNDS, rb_gc_mark_locations, and rb_objspace.

Referenced by rb_thread_mark().

void rb_gc_mark_maybe ( VALUE  obj)

Definition at line 2549 of file gc.c.

References gc_mark(), and is_pointer_to_heap().

Referenced by gc_marks(), JSON_mark(), mark_global_entry(), val_marker(), and var_marker().

void rb_gc_register_address ( VALUE *  addr)

Definition at line 2989 of file gc.c.

References ALLOC, global_List, gc_list::next, rb_objspace, and gc_list::varptr.

Referenced by Init_coverage(), Init_curses(), and rb_global_variable().

void rb_gc_register_mark_object ( VALUE  obj)

Definition at line 2982 of file gc.c.

References GET_THREAD(), rb_vm_struct::mark_object_ary, rb_ary_push(), and rb_thread_struct::vm.

Referenced by date__strptime_internal(), date_zone_to_diff(), Init_Bignum(), Init_date_core(), Init_Encoding(), Init_IO(), Init_load(), Init_marshal(), Init_Random(), Init_VM(), Init_win32ole(), power_cache_get_power0(), pruby_init(), rb_define_class_id_under(), rb_define_module_id_under(), rb_w32_init_file(), regcomp(), rt_complete_frags(), ruby_process_options(), and sym_to_proc().

void rb_gc_set_params ( void  )

Definition at line 3297 of file gc.c.

References getenv(), initial_expand_heap(), initial_free_min, initial_heap_min_slots, initial_malloc_limit, NULL, rb_safe_level, RTEST, and ruby_verbose.

VALUE rb_gc_start ( void  )

Definition at line 3103 of file gc.c.

References Qnil, and rb_gc().

Referenced by Init_GC().

void rb_gc_unregister_address ( VALUE *  addr)

Definition at line 3001 of file gc.c.

References global_List, gc_list::next, rb_objspace, gc_list::varptr, and xfree().

Referenced by curses_finalize().

void rb_global_variable ( VALUE *  var)

Definition at line 426 of file gc.c.

References rb_gc_register_address().

Referenced by Init_ossl_asn1(), Init_RandomSeed(), Init_Regexp(), Init_tcltklib(), and Init_tkutil().

void rb_mark_hash ( st_table *  tbl)

Definition at line 2413 of file gc.c.

References mark_hash().

Referenced by Init_win32ole(), mark_dump_arg(), and mark_load_arg().

void rb_mark_method_entry ( const rb_method_entry_t *  me)

Definition at line 2449 of file gc.c.

References mark_method_entry().

Referenced by bm_mark(), rb_gc_mark_unlinked_live_method_entries(), and rb_thread_mark().

void rb_mark_set ( st_table *  tbl)

Definition at line 2389 of file gc.c.

References mark_set().

Referenced by mark_dump_arg().

void rb_mark_tbl ( st_table *  tbl)

Definition at line 2543 of file gc.c.

References mark_tbl().

Referenced by autoload_mark(), mark_load_arg(), rb_gc_mark_symbols(), rb_mark_generic_ivar(), rb_thread_mark(), and rb_vm_mark().

void rb_memerror ( void  )

Definition at line 3408 of file gc.c.

References rb_thread_struct::errinfo, EXIT_FAILURE, GET_THREAD(), JUMP_TAG, nomem_error, RAISED_NOMEMORY, rb_exc_raise(), rb_safe_level, rb_thread_raised_clear, rb_thread_raised_p, rb_thread_raised_set, and TAG_RAISE.

Referenced by allocate_sorted_heaps(), assign_heap_slot(), gc_profile_clear(), newobj(), nsdr(), readline_attempted_completion_function(), ruby_memerror(), ruby_memerror_body(), and stack_chunk_alloc().

VALUE rb_newobj ( void  )

Definition at line 677 of file gc.c.

References newobj(), and T_NONE.

Referenced by rb_node_newnode().

VALUE rb_newobj_of ( VALUE  klass,
VALUE  flags 
)

Definition at line 683 of file gc.c.

References newobj(), and OBJSETUP.

NODE* rb_node_newnode ( enum node_type  type,
VALUE  a0,
VALUE  a1,
VALUE  a2 
)

Definition at line 694 of file gc.c.

References RNode::flags, nd_set_type, rb_newobj(), T_NODE, RNode::u1, RNode::u2, RNode::u3, and RNode::value.

VALUE rb_obj_id ( VALUE  obj)

Definition at line 1690 of file gc.c.

References FIXNUM_FLAG, FLONUM_P, LONG2NUM, nonspecial_obj_id, SIGNED_VALUE, SPECIAL_CONST_P, SYM2ID, and SYMBOL_P.

Referenced by exec_recursive(), Init_GC(), iow_internal_object_id(), rb_exec_recursive_paired(), rb_exec_recursive_paired_outer(), and rb_obj_hash().

rb_objspace_t* rb_objspace_alloc ( void  ) [read]

Definition at line 374 of file gc.c.

References initial_malloc_limit, malloc, malloc_limit, ruby_gc_stress, and ruby_initial_gc_stress.

Referenced by Init_BareVM().

static void rb_objspace_call_finalizer ( rb_objspace_t *  objspace) [static]

Definition at line 1490 of file gc.c.

References assert, ATOMIC_EXCHANGE, ATOMIC_SET, BUILTIN_TYPE, DATA_PTR, deferred_final_list, during_gc, finalize_deferred(), finalize_list(), finalizer_table, finalizing, force_chain_object(), rb_objspace::heap, heaps_used, heaps_header::limit, list, make_deferred(), make_io_deferred(), force_finalize_list::next, force_finalize_list::obj, RANY, rb_obj_is_fiber(), rb_obj_is_mutex(), rb_obj_is_thread(), RDATA, rest_sweep(), RTYPEDDATA_P, run_finalizer(), rb_objspace::sorted, st_delete(), st_foreach(), st_free_table(), heaps_header::start, T_DATA, T_FILE, force_finalize_list::table, and xfree().

Referenced by rb_gc_call_finalizer_at_exit().

size_t rb_objspace_data_type_memsize ( VALUE  obj)

Definition at line 738 of file gc.c.

References RTYPEDDATA_DATA, RTYPEDDATA_P, and RTYPEDDATA_TYPE.

Referenced by memsize_of().

const char* rb_objspace_data_type_name ( VALUE  obj)

Definition at line 749 of file gc.c.

References RTYPEDDATA_P, and RTYPEDDATA_TYPE.

Referenced by cto_i().

void rb_objspace_each_objects ( each_obj_callback *  callback,
void *  data 
)

Definition at line 1128 of file gc.c.

References callback(), each_obj_args::callback, each_obj_args::data, lazy_sweep_enable(), objspace_each_objects(), Qnil, rb_ensure(), rb_objspace, rest_sweep(), and TRUE.

Referenced by count_nodes(), count_objects_size(), count_tdata_objects(), memsize_of_all_m(), and os_obj_of().

void rb_objspace_free ( rb_objspace_t *  objspace)

Definition at line 389 of file gc.c.

References aligned_free(), heaps_header::bits, free, rb_objspace::free_bitmap, free_stack_chunks(), global_List, rb_objspace::heap, heaps, heaps_used, list, rb_objspace::mark_stack, heaps_free_bitmap::next, gc_list::next, rb_objspace::profile, rb_objspace::record, rest_sweep(), rb_objspace::sorted, and xfree().

Referenced by ruby_vm_destruct().

int rb_objspace_internal_object_p ( VALUE  obj)

Definition at line 1170 of file gc.c.

References internal_object_p().

Referenced by reachable_object_from_i().

int rb_objspace_markable_object_p ( VALUE  obj)

Definition at line 2578 of file gc.c.

References markable_object_p().

Referenced by reachable_object_from_i(), and reachable_objects_from().

void rb_objspace_reachable_objects_from ( VALUE  obj,
void(func)(VALUE, void *)  ,
void *  data 
)

Definition at line 3338 of file gc.c.

References func, gc_mark_children(), rb_objspace::mark_func_data, markable_object_p(), and rb_objspace.

Referenced by reachable_objects_from().

VALUE rb_undefine_final ( VALUE  obj)

Definition at line 1272 of file gc.c.

References finalizer_table, FL_FINALIZE, FL_UNSET, rb_check_frozen, rb_objspace, and st_delete().

Referenced by undefine_final().

static int ready_to_gc ( rb_objspace_t *  objspace) [static]

Definition at line 1953 of file gc.c.

References dont_gc, during_gc, FALSE, has_free_object, heaps_increment(), set_heaps_increment(), and TRUE.

Referenced by garbage_collect(), and gc_prepare_free_objects().

static void rest_sweep ( rb_objspace_t *  objspace) [static]

Definition at line 2027 of file gc.c.

References after_gc_sweep(), rb_objspace::heap, lazy_sweep(), and rb_objspace::sweep_slots.

Referenced by garbage_collect(), gc_stat(), rb_gc_disable(), rb_objspace_call_finalizer(), rb_objspace_each_objects(), and rb_objspace_free().

int ruby_get_stack_grow_direction ( volatile VALUE *  addr)

Definition at line 2269 of file gc.c.

References SET_MACHINE_STACK_END.

static void ruby_memerror ( void  ) [static]

Definition at line 3390 of file gc.c.

References EXIT_FAILURE, rb_memerror(), rb_thread_call_with_gvl(), ruby_memerror_body(), ruby_native_thread_p, and ruby_thread_has_gvl_p().

Referenced by vm_xrealloc().

static void* ruby_memerror_body ( void *  dummy) [static]

Definition at line 3383 of file gc.c.

References rb_memerror().

Referenced by ruby_memerror().

void* ruby_mimmalloc ( size_t  size)

Definition at line 3664 of file gc.c.

References malloc.

Referenced by Init_BareVM().

void* ruby_xcalloc ( size_t  n,
size_t  size 
)

Definition at line 3631 of file gc.c.

References vm_xcalloc().

Referenced by rb_iseq_defined_string().

void ruby_xfree ( void *  x)

Definition at line 3653 of file gc.c.

References vm_xfree().

Referenced by backtrace_free(), binding_free(), compile_data_free(), cont_free(), cState_array_nl_set(), cState_indent_set(), cState_object_nl_set(), cState_space_before_set(), cState_space_set(), env_free(), fbuffer_free(), free_sdbm(), Init_dl(), Init_fiddle(), inst_free(), iseq_free(), JSON_free(), location_free(), mutex_free(), ossl_cipher_free(), ossl_hmac_free(), proc_free(), rb_dl_free(), rb_fiddle_free(), rb_thread_recycle_stack_release(), ruby_vm_destruct(), State_free(), strscan_free(), and thread_free().

void* ruby_xmalloc ( size_t  size)

Definition at line 3596 of file gc.c.

References vm_xmalloc().

Referenced by bt_init(), rb_dl_malloc(), rb_dlptr_malloc(), rb_fiddle_malloc(), and rb_fiddle_ptr_malloc().

void* ruby_xmalloc2 ( size_t  n,
size_t  size 
)

Definition at line 3612 of file gc.c.

References vm_xmalloc(), and xmalloc2_size().

void* ruby_xrealloc ( void *  ptr,
size_t  size 
)

Definition at line 3637 of file gc.c.

References vm_xrealloc().

Referenced by iseq_set_sequence(), rb_dl_realloc(), rb_fiddle_realloc(), ruby_xrealloc2(), and zstream_expand_buffer_without_gvl().

void* ruby_xrealloc2 ( void *  ptr,
size_t  n,
size_t  size 
)

Definition at line 3643 of file gc.c.

References rb_eArgError, rb_raise(), and ruby_xrealloc().

static void run_final ( rb_objspace_t *  objspace,
VALUE  obj 
) [static]

Definition at line 1402 of file gc.c.

References DATA_PTR, rb_objspace::final_num, finalizer_table, rb_objspace::heap, key, RBASIC, RDATA, RTYPEDDATA_P, RTYPEDDATA_TYPE, run_finalizer(), and st_delete().

Referenced by finalize_list().

static void run_finalizer ( rb_objspace_t *  objspace,
VALUE  obj,
VALUE  table 
) [static]

Definition at line 1372 of file gc.c.

References args, rb_thread_struct::errinfo, FIX2INT, GET_THREAD(), nonspecial_obj_id, Qnil, RARRAY_LEN, RARRAY_PTR, rb_ary_new3(), rb_errinfo, rb_obj_freeze(), rb_protect(), rb_safe_level, rb_set_errinfo(), and run_single_final().

Referenced by rb_objspace_call_finalizer(), and run_final().

static VALUE run_single_final ( VALUE  arg) [static]

Definition at line 1364 of file gc.c.

References args, Qnil, and rb_eval_cmd().

Referenced by run_finalizer().

static void set_heaps_increment ( rb_objspace_t *  objspace) [static]

Definition at line 607 of file gc.c.

References allocate_sorted_heaps(), heaps_inc, heaps_length, and heaps_used.

Referenced by after_gc_sweep(), gc_prepare_free_objects(), and ready_to_gc().

static int set_zero ( st_data_t  key,
st_data_t  val,
st_data_t  arg 
) [static]

Definition at line 1737 of file gc.c.

References hash(), INT2FIX, rb_hash_aset(), and ST_CONTINUE.

Referenced by count_objects().

static void shrink_stack_chunk_cache ( mark_stack_t *  stack) [static]

Definition at line 2143 of file gc.c.

References mark_stack::cache, mark_stack::cache_size, free, stack_chunk::next, and mark_stack::unused_cache_size.

Referenced by gc_mark_stacked_objects().

static void slot_sweep ( rb_objspace_t *  objspace,
struct heaps_slot *  sweep_slot 
) [static]

Definition at line 1882 of file gc.c.

References RVALUE::as, assert, RVALUE::basic, heaps_slot::bits, BUILTIN_TYPE, deferred_final_list, rb_objspace::do_heap_free, rb_objspace::final_num, finalizing, FL_FINALIZE, FL_SINGLETON, FL_TEST, RBasic::flags, RVALUE::free, heaps_slot::free_next, rb_objspace::free_num, heaps_slot::freelist, gc_clear_slot_bits(), GET_HEAP_BITMAP, GET_THREAD(), heaps_slot::header, rb_objspace::heap, heaps_header::limit, link_free_heap_slot(), MARKED_IN_BITMAP, NULL, obj_free(), RDATA, RUBY_VM_SET_FINALIZER_INTERRUPT, heaps_header::start, T_ZOMBIE, rb_objspace::total_freed_object_num, unlink_heap_slot(), and VALGRIND_MAKE_MEM_UNDEFINED.

Referenced by gc_sweep(), and lazy_sweep().

static int stack_check ( int  water_mark) [static]

Definition at line 2290 of file gc.c.

References GET_THREAD(), SET_STACK_END, STACK_LENGTH, and STACK_LEVEL_MAX.

Referenced by ruby_stack_check().

static stack_chunk_t* stack_chunk_alloc ( void  ) [static]

Definition at line 2117 of file gc.c.

References malloc, and rb_memerror().

Referenced by init_mark_stack(), and push_mark_stack_chunk().

static VALUE undefine_final ( VALUE  os,
VALUE  obj 
) [static]

Definition at line 1266 of file gc.c.

References rb_undefine_final().

Referenced by Init_GC().

static void unlink_free_heap_slot ( rb_objspace_t *  objspace,
struct heaps_slot *  slot 
) [static]

Definition at line 474 of file gc.c.

References heaps_slot::free_next, rb_objspace::free_slots, rb_objspace::heap, and NULL.

Referenced by newobj().

static void unlink_heap_slot ( rb_objspace_t *  objspace,
struct heaps_slot *  slot 
) [static]

Definition at line 837 of file gc.c.

References rb_objspace::heap, heaps, heaps_slot::next, NULL, heaps_slot::prev, and rb_objspace::sweep_slots.

Referenced by slot_sweep().

static void* vm_malloc_fixup ( rb_objspace_t *  objspace,
void *  mem,
size_t  size 
) [inline, static]

Definition at line 3495 of file gc.c.

References ATOMIC_SIZE_ADD, malloc_increase, rb_objspace::malloc_params, and size.

Referenced by vm_xcalloc(), and vm_xmalloc().

static size_t vm_malloc_prepare ( rb_objspace_t *  objspace,
size_t  size 
) [inline, static]

Definition at line 3475 of file gc.c.

References garbage_collect_with_gvl(), malloc_increase, malloc_limit, negative_size_allocation_error(), ruby_gc_stress, and size.

Referenced by vm_xcalloc(), and vm_xmalloc().

static void* vm_xcalloc ( rb_objspace_t *  objspace,
size_t  count,
size_t  elsize 
) [static]

Definition at line 3618 of file gc.c.

References calloc, size, TRY_WITH_GC, vm_malloc_fixup(), vm_malloc_prepare(), and xmalloc2_size().

Referenced by ruby_xcalloc().

static void vm_xfree ( rb_objspace_t *  objspace,
void *  ptr 
) [static]

Definition at line 3580 of file gc.c.

References ATOMIC_SIZE_SUB, free, rb_objspace::malloc_params, and size.

Referenced by ruby_xfree(), and vm_xrealloc().

static void* vm_xmalloc ( rb_objspace_t *  objspace,
size_t  size 
) [static]

Definition at line 3518 of file gc.c.

References malloc, TRY_WITH_GC, vm_malloc_fixup(), and vm_malloc_prepare().

Referenced by ruby_xmalloc(), ruby_xmalloc2(), and vm_xrealloc().

static void* vm_xrealloc ( rb_objspace_t *  objspace,
void *  ptr,
size_t  size 
) [static]

Definition at line 3528 of file gc.c.

References ATOMIC_SIZE_ADD, garbage_collect_with_gvl(), malloc_increase, rb_objspace::malloc_params, negative_size_allocation_error(), realloc, ruby_gc_stress, ruby_memerror(), size, vm_xfree(), and vm_xmalloc().

Referenced by ruby_xrealloc().

static VALUE wmap_allocate ( VALUE  klass) [static]

Definition at line 3783 of file gc.c.

References weakmap::final, ID2SYM, weakmap::obj2wmap, rb_intern, rb_obj_method(), st_init_numtable(), TypedData_Make_Struct, and weakmap::wmap2obj.

Referenced by Init_GC().

static VALUE wmap_aref ( VALUE  self,
VALUE  wmap 
) [static]

Definition at line 3859 of file gc.c.

References is_id_value(), is_live_object(), Qnil, rb_objspace, st_lookup(), TypedData_Get_Struct, and weakmap::wmap2obj.

Referenced by Init_GC().

static VALUE wmap_aset ( VALUE  self,
VALUE  wmap,
VALUE  orig 
) [static]

Definition at line 3836 of file gc.c.

References weakmap::final, nonspecial_obj_id, weakmap::obj2wmap, rb_ary_push(), rb_ary_tmp_new(), rb_define_final(), st_insert(), st_lookup(), TypedData_Get_Struct, and weakmap::wmap2obj.

Referenced by Init_GC().

static int wmap_final_func ( st_data_t *  key,
st_data_t *  value,
st_data_t  arg,
int  existing 
) [static]

Definition at line 3794 of file gc.c.

References RARRAY_LEN, rb_ary_delete_same(), ST_CONTINUE, ST_DELETE, and ST_STOP.

Referenced by wmap_finalize().

static VALUE wmap_finalize ( VALUE  self,
VALUE  objid 
) [static]

Definition at line 3805 of file gc.c.

References NULL, weakmap::obj2wmap, obj_id_to_ref, RARRAY_LEN, RARRAY_PTR, st_delete(), st_update(), TypedData_Get_Struct, weakmap::wmap2obj, and wmap_final_func().

Referenced by Init_GC().

static void wmap_free ( void *  ptr) [static]

Definition at line 3744 of file gc.c.

References weakmap::obj2wmap, st_foreach(), st_free_table(), weakmap::wmap2obj, and wmap_free_map().

static int wmap_free_map ( st_data_t  key,
st_data_t  val,
st_data_t  arg 
) [static]

Definition at line 3737 of file gc.c.

References rb_ary_resize(), and ST_CONTINUE.

Referenced by wmap_free().

static void wmap_mark ( void *  ptr) [static]

Definition at line 3729 of file gc.c.

References weakmap::final, weakmap::obj2wmap, rb_gc_mark(), st_foreach(), and wmap_mark_map().

static int wmap_mark_map ( st_data_t  key,
st_data_t  val,
st_data_t  arg 
) [static]

Definition at line 3722 of file gc.c.

References gc_mark_ptr(), and ST_CONTINUE.

Referenced by wmap_mark().

static size_t wmap_memsize ( const void *  ptr) [static]

Definition at line 3761 of file gc.c.

References weakmap::obj2wmap, size, st_foreach(), st_memsize(), weakmap::wmap2obj, and wmap_memsize_map().

static int wmap_memsize_map ( st_data_t  key,
st_data_t  val,
st_data_t  arg 
) [static]

Definition at line 3754 of file gc.c.

References rb_ary_memsize(), and ST_CONTINUE.

Referenced by wmap_memsize().

static size_t xmalloc2_size ( size_t  n,
size_t  size 
) [inline, static]

Definition at line 3602 of file gc.c.

References rb_eArgError, and rb_raise().

Referenced by ruby_xmalloc2(), and vm_xcalloc().

Variable Documentation

ruby_gc_params_t initial_params [static]
Initial value:
 {
    GC_MALLOC_LIMIT,
    HEAP_MIN_SLOTS,
    FREE_MIN,

    FALSE,

}

Definition at line 84 of file gc.c.

VALUE rb_mGC

Definition at line 334 of file gc.c.

int ruby_disable_gc_stress = 0

Definition at line 336 of file gc.c.

int ruby_gc_debug_indent = 0

Definition at line 333 of file gc.c.

int* ruby_initial_gc_stress_ptr = &ruby_initial_gc_stress

Definition at line 267 of file gc.c.

Referenced by set_debug_option().

int ruby_stack_grow_direction

Definition at line 2267 of file gc.c.

const rb_data_type_t weakmap_type [static]
Initial value:
 {
    "weakmap",
    {
        wmap_mark,
        wmap_free,
        wmap_memsize,
    }
}

Definition at line 3773 of file gc.c.

Generated on Tue May 13 2014 18:28:27 for Ruby by   doxygen 1.7.6.1