gc.c File Reference

#include "ruby/ruby.h"
#include "ruby/st.h"
#include "ruby/re.h"
#include "ruby/io.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 <stdio.h>
#include <setjmp.h>
#include <sys/types.h>
#include <assert.h>

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  sorted_heaps_slot
struct  gc_list
struct  stack_chunk
struct  mark_stack
struct  rb_objspace
struct  mark_tbl_arg
struct  each_obj_args
struct  os_each_struct
struct  force_finalize_list

Defines

#define VALGRIND_MAKE_MEM_DEFINED(p, n)
#define VALGRIND_MAKE_MEM_UNDEFINED(p, n)
#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 nonspecial_obj_id(obj)   (VALUE)((SIGNED_VALUE)(obj)|FIXNUM_FLAG)
#define obj_id_to_ref(objid)   ((objid) ^ FIXNUM_FLAG)
#define GC_PROFILE_MORE_DETAIL   0
#define GC_PROF_TIMER_START
#define GC_PROF_TIMER_STOP(marked)
#define INIT_GC_PROF_PARAMS
#define GC_PROF_MARK_TIMER_START
#define GC_PROF_MARK_TIMER_STOP
#define GC_PROF_SWEEP_TIMER_START
#define GC_PROF_SWEEP_TIMER_STOP
#define GC_PROF_SET_MALLOC_INFO
#define GC_PROF_SET_HEAP_INFO(record)
#define GC_PROF_INC_LIVE_NUM
#define GC_PROF_DEC_LIVE_NUM
#define STACK_CHUNK_SIZE   500
#define CALC_EXACT_MALLOC_SIZE   0
#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 freelist   objspace->heap.freelist
#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 HEAP_SIZE   0x4000
#define HEAP_OBJ_LIMIT   (unsigned int)(HEAP_SIZE / sizeof(struct RVALUE))
#define TRY_WITH_GC(alloc)
#define RANY(o)   ((RVALUE*)(o))
#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 MARK_STACK_EMPTY   (mark_stack_ptr == mark_stack)
#define rb_gc_mark_locations(start, end)   gc_mark_locations(objspace, (start), (end))
#define STR_ASSOC   FL_USER3
#define GC_NOTIFY   0
#define GET_STACK_BOUNDS(start, end, appendix)
#define numberof(array)   (int)(sizeof(array) / sizeof((array)[0]))
#define NUM2PTR(x)   NUM2ULONG(x)
#define COUNT_TYPE(t)   case (t): type = ID2SYM(rb_intern(#t)); break;

Typedefs

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 *)

Functions

void * alloca ()
static double getrusage_time (void)
static void rb_objspace_call_finalizer (rb_objspace_t *objspace)
static void initial_expand_heap (rb_objspace_t *objspace)
static void init_mark_stack (mark_stack_t *stack)
void rb_gc_set_params (void)
static void run_final (rb_objspace_t *objspace, VALUE obj)
static int garbage_collect (rb_objspace_t *objspace)
static int gc_lazy_sweep (rb_objspace_t *objspace)
void rb_global_variable (VALUE *var)
static void * ruby_memerror_body (void *dummy)
static void ruby_memerror (void)
void rb_memerror (void)
static VALUE gc_stress_get (VALUE self)
static VALUE gc_stress_set (VALUE self, VALUE flag)
static VALUE gc_profile_enable_get (VALUE self)
static VALUE gc_profile_enable (void)
static VALUE gc_profile_disable (void)
static VALUE gc_profile_clear (void)
static void * negative_size_allocation_error_with_gvl (void *ptr)
static void negative_size_allocation_error (const char *msg)
static void * gc_with_gvl (void *ptr)
static int garbage_collect_with_gvl (rb_objspace_t *objspace)
static void vm_xfree (rb_objspace_t *objspace, void *ptr)
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)
VALUE rb_gc_enable (void)
VALUE rb_gc_disable (void)
void rb_gc_register_mark_object (VALUE obj)
void rb_gc_register_address (VALUE *addr)
void rb_gc_unregister_address (VALUE *addr)
static void allocate_sorted_heaps (rb_objspace_t *objspace, size_t next_heaps_length)
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)
int rb_during_gc (void)
VALUE rb_newobj (void)
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)
int ruby_get_stack_grow_direction (volatile VALUE *addr)
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)
size_t ruby_stack_length (VALUE **p)
static int stack_check (int water_mark)
int ruby_stack_check (void)
static void gc_mark (rb_objspace_t *objspace, VALUE ptr)
static void gc_mark_children (rb_objspace_t *objspace, VALUE ptr)
static void gc_mark_stacked_objects (rb_objspace_t *objspace)
static int is_pointer_to_heap (rb_objspace_t *objspace, void *ptr)
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 (ID key, VALUE value, st_data_t data)
static void mark_tbl (rb_objspace_t *objspace, st_table *tbl)
static int mark_key (VALUE key, VALUE 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 (VALUE key, VALUE 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 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 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 int free_const_entry_i (ID key, rb_const_entry_t *ce, st_data_t data)
void rb_free_const_table (st_table *tbl)
void rb_mark_tbl (st_table *tbl)
void rb_gc_mark_maybe (VALUE obj)
void rb_gc_mark (VALUE ptr)
static int obj_free (rb_objspace_t *, VALUE)
static void add_freelist (rb_objspace_t *objspace, RVALUE *p)
static void finalize_list (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 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 rest_sweep (rb_objspace_t *objspace)
static void gc_marks (rb_objspace_t *objspace)
static void gc_sweep (rb_objspace_t *objspace)
void rb_gc_force_recycle (VALUE p)
static void make_deferred (RVALUE *p)
static void make_io_deferred (RVALUE *p)
static void mark_current_machine_context (rb_objspace_t *objspace, rb_thread_t *th)
int rb_garbage_collect (void)
void rb_gc_mark_machine_stack (rb_thread_t *th)
VALUE rb_gc_start (void)
void Init_stack (volatile VALUE *addr)
void Init_heap (void)
static VALUE lazy_sweep_enable (void)
static VALUE objspace_each_objects (VALUE arg)
void rb_objspace_each_objects (each_obj_callback *callback, void *data)
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 objid, VALUE table)
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)
void rb_gc (void)
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 VALUE gc_count (VALUE self)
static VALUE gc_stat (int argc, VALUE *argv, VALUE self)
static VALUE gc_profile_record_get (void)
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)
void Init_GC (void)

Variables

ruby_gc_params_t initial_params
int ruby_gc_debug_indent = 0
static rb_objspace_t rb_objspace = {{GC_MALLOC_LIMIT}, {HEAP_MIN_SLOTS}}
int * ruby_initial_gc_stress_ptr = &rb_objspace.gc_stress
st_table * rb_class_tbl
int ruby_disable_gc_stress = 0
VALUE rb_mGC
int ruby_stack_grow_direction

Define Documentation

#define CALC_EXACT_MALLOC_SIZE   0

Definition at line 349 of file gc.c.

#define COUNT_TYPE ( t   )     case (t): type = ID2SYM(rb_intern(#t)); break;
#define deferred_final_list   objspace->final.deferred

Definition at line 421 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 417 of file gc.c.

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

#define during_gc   objspace->flags.during_gc

Definition at line 418 of file gc.c.

Referenced by allocate_sorted_heaps(), assign_heap_slot(), garbage_collect(), gc_lazy_sweep(), gc_sweep(), lazy_sweep(), rb_during_gc(), rb_newobj(), rb_objspace_call_finalizer(), and ready_to_gc().

#define finalizer_table   objspace->final.table

Definition at line 420 of file gc.c.

Referenced by define_final(), gc_marks(), init_heap(), rb_gc_copy_finalizer(), rb_objspace_call_finalizer(), run_final(), and undefine_final().

#define finalizing   objspace->flags.finalizing

Definition at line 419 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 83 of file gc.c.

#define freelist   objspace->heap.freelist

Definition at line 412 of file gc.c.

Referenced by add_freelist(), assign_heap_slot(), before_gc_sweep(), gc_lazy_sweep(), lazy_sweep(), rb_newobj(), ready_to_gc(), and slot_sweep().

#define GC_MALLOC_LIMIT   8000000

Definition at line 80 of file gc.c.

#define GC_NOTIFY   0

Definition at line 2500 of file gc.c.

Referenced by garbage_collect().

#define GC_PROF_DEC_LIVE_NUM

Definition at line 272 of file gc.c.

Referenced by finalize_list(), and rb_gc_force_recycle().

#define GC_PROF_INC_LIVE_NUM

Definition at line 271 of file gc.c.

Referenced by rb_newobj().

#define GC_PROF_MARK_TIMER_START

Definition at line 259 of file gc.c.

Referenced by gc_marks().

#define GC_PROF_MARK_TIMER_STOP

Definition at line 260 of file gc.c.

Referenced by gc_marks().

#define GC_PROF_SET_HEAP_INFO ( record   ) 
Value:
do {\
        live = objspace->heap.live_num;\
        total = heaps_used * HEAP_OBJ_LIMIT;\
        (record).heap_total_objects = total;\
        (record).heap_use_size = live * sizeof(RVALUE);\
        (record).heap_total_size = total * sizeof(RVALUE);\
    } while(0)

Definition at line 264 of file gc.c.

#define GC_PROF_SET_MALLOC_INFO

Definition at line 263 of file gc.c.

Referenced by after_gc_sweep(), and gc_lazy_sweep().

#define GC_PROF_SWEEP_TIMER_START

Definition at line 261 of file gc.c.

Referenced by garbage_collect(), and gc_lazy_sweep().

#define GC_PROF_SWEEP_TIMER_STOP

Definition at line 262 of file gc.c.

Referenced by garbage_collect(), and gc_lazy_sweep().

#define GC_PROF_TIMER_START
Value:
do {\
        if (objspace->profile.run) {\
            if (!objspace->profile.record) {\
                objspace->profile.size = 1000;\
                objspace->profile.record = malloc(sizeof(gc_profile_record) * objspace->profile.size);\
            }\
            if (count >= objspace->profile.size) {\
                objspace->profile.size += 1000;\
                objspace->profile.record = realloc(objspace->profile.record, sizeof(gc_profile_record) * objspace->profile.size);\
            }\
            if (!objspace->profile.record) {\
                rb_bug("gc_profile malloc or realloc miss");\
            }\
            MEMZERO(&objspace->profile.record[count], gc_profile_record, 1);\
            gc_time = getrusage_time();\
            objspace->profile.record[count].gc_invoke_time = gc_time - objspace->profile.invoke_time;\
        }\
    } while(0)

Definition at line 174 of file gc.c.

Referenced by garbage_collect(), and gc_lazy_sweep().

#define GC_PROF_TIMER_STOP ( marked   ) 
Value:
do {\
        if (objspace->profile.run) {\
            gc_time = getrusage_time() - gc_time;\
            if (gc_time < 0) gc_time = 0;\
            objspace->profile.record[count].gc_time = gc_time;\
            objspace->profile.record[count].is_marked = !!(marked);\
            GC_PROF_SET_HEAP_INFO(objspace->profile.record[count]);\
            objspace->profile.count++;\
        }\
    } while(0)

Definition at line 193 of file gc.c.

Referenced by garbage_collect(), and gc_lazy_sweep().

#define GC_PROFILE_MORE_DETAIL   0

Definition at line 117 of file gc.c.

#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 2507 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 422 of file gc.c.

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

#define HEAP_MIN_SLOTS   10000

Definition at line 82 of file gc.c.

Referenced by init_heap().

#define HEAP_OBJ_LIMIT   (unsigned int)(HEAP_SIZE / sizeof(struct RVALUE))

Definition at line 539 of file gc.c.

Referenced by after_gc_sweep(), assign_heap_slot(), before_gc_sweep(), gc_lazy_sweep(), init_heap(), and initial_expand_heap().

#define HEAP_SIZE   0x4000

Definition at line 531 of file gc.c.

Referenced by assign_heap_slot().

#define heaps   objspace->heap.ptr

Definition at line 409 of file gc.c.

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

#define heaps_freed   objspace->heap.freed

Definition at line 416 of file gc.c.

Referenced by free_unused_heaps().

#define heaps_inc   objspace->heap.increment

Definition at line 415 of file gc.c.

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

#define heaps_length   objspace->heap.length

Definition at line 410 of file gc.c.

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

#define heaps_used   objspace->heap.used

Definition at line 411 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_lazy_sweep(), initial_expand_heap(), is_pointer_to_heap(), objspace_each_objects(), rb_objspace_call_finalizer(), and set_heaps_increment().

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

Definition at line 414 of file gc.c.

Referenced by assign_heap_slot(), and is_pointer_to_heap().

#define INIT_GC_PROF_PARAMS
Value:
double gc_time = 0;\
    size_t count = objspace->profile.count, total = 0, live = 0

Definition at line 257 of file gc.c.

Referenced by garbage_collect(), and gc_lazy_sweep().

#define initial_free_min   initial_params.initial_free_min

Definition at line 426 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 425 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 424 of file gc.c.

Referenced by after_gc_sweep(), and rb_gc_set_params().

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

Definition at line 413 of file gc.c.

Referenced by assign_heap_slot().

#define malloc_increase   objspace->malloc_params.increase

Definition at line 408 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 407 of file gc.c.

Referenced by after_gc_sweep(), and vm_malloc_prepare().

#define MARK_STACK_EMPTY   (mark_stack_ptr == mark_stack)

Definition at line 1495 of file gc.c.

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

Definition at line 101 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 104 of file gc.c.

Referenced by rb_obj_id().

#define NUM2PTR ( x   )     NUM2ULONG(x)
#define numberof ( array   )     (int)(sizeof(array) / sizeof((array)[0]))

Definition at line 2512 of file gc.c.

#define obj_id_to_ref ( objid   )     ((objid) ^ FIXNUM_FLAG)

Definition at line 105 of file gc.c.

Referenced by id2ref().

#define RANY ( o   )     ((RVALUE*)(o))

Definition at line 1187 of file gc.c.

Referenced by gc_mark(), gc_mark_children(), is_pointer_to_heap(), obj_free(), rb_gc_force_recycle(), rb_newobj(), and rb_objspace_call_finalizer().

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

Definition at line 1571 of file gc.c.

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

#define rb_jmp_buf   rb_jmpbuf_t

Definition at line 56 of file gc.c.

Referenced by mark_current_machine_context().

#define rb_setjmp ( env   )     RUBY_SETJMP(env)

Definition at line 55 of file gc.c.

Referenced by mark_current_machine_context().

#define ruby_gc_stress   objspace->gc_stress

Definition at line 423 of file gc.c.

Referenced by gc_stress_get(), gc_stress_set(), rb_newobj(), vm_malloc_prepare(), and vm_xrealloc().

#define SET_STACK_END   SET_MACHINE_STACK_END(&th->machine_stack_end)

Definition at line 1297 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 333 of file gc.c.

Referenced by init_mark_stack().

#define STACK_END   (th->machine_stack_end)

Definition at line 1301 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 1309 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 1302 of file gc.c.

Referenced by stack_check().

#define STACK_START   (th->machine_stack_start)

Definition at line 1300 of file gc.c.

Referenced by mark_current_machine_context(), and ruby_stack_length().

#define STACKFRAME_FOR_CALL_CFUNC   512

Definition at line 1483 of file gc.c.

Referenced by ruby_stack_check().

#define STR_ASSOC   FL_USER3

Referenced by gc_mark_children(), rb_str_associate(), rb_str_new_frozen(), str_buf_cat(), and str_replace().

#define TRY_WITH_GC ( alloc   ) 
Value:
do { \
        if (!(alloc) && \
            (!garbage_collect_with_gvl(objspace) || \
             !(alloc))) { \
            ruby_memerror(); \
        } \
    } while (0)

Definition at line 784 of file gc.c.

Referenced by vm_xcalloc(), and vm_xmalloc().

#define VALGRIND_MAKE_MEM_DEFINED ( p,
n   ) 

Definition at line 51 of file gc.c.

#define VALGRIND_MAKE_MEM_UNDEFINED ( p,
n   ) 

Definition at line 52 of file gc.c.

Typedef Documentation

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

Definition at line 2706 of file gc.c.

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

Function Documentation

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

Definition at line 2044 of file gc.c.

References freelist, and VALGRIND_MAKE_MEM_UNDEFINED.

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

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

Definition at line 1110 of file gc.c.

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

Referenced by init_heap(), and initial_expand_heap().

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

Definition at line 1350 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 2223 of file gc.c.

References 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, rb_objspace::live_num, malloc_increase, malloc_limit, and set_heaps_increment().

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

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

Definition at line 1014 of file gc.c.

References during_gc, rb_objspace::heap, heaps_length, heaps_used, malloc, 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 1037 of file gc.c.

References RVALUE::as, during_gc, sorted_heaps_slot::end, RVALUE::free, rb_objspace::free_num, freelist, rb_objspace::heap, HEAP_OBJ_LIMIT, HEAP_SIZE, heaps, heaps_used, hi, himem, lo, lomem, malloc, heaps_slot::membase, MEMMOVE, MEMZERO, PRIuVALUE, rb_bug(), rb_memerror(), sorted_heaps_slot::slot, heaps_slot::slot, rb_objspace::sorted, sorted_heaps_slot::start, and xfree.

Referenced by add_heap_slots(), and heaps_increment().

static void before_gc_sweep ( rb_objspace_t *  objspace  )  [static]

Definition at line 2204 of file gc.c.

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

Referenced by gc_lazy_sweep(), and gc_sweep().

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

Definition at line 3317 of file gc.c.

References RVALUE::as, RVALUE::basic, BUILTIN_TYPE, COUNT_TYPE, sorted_heaps_slot::end, RBasic::flags, rb_objspace::heap, heaps_used, ID2SYM, INT2NUM(), heaps_slot::limit, Qnil, rb_eTypeError, rb_hash_aset(), rb_hash_new(), rb_intern, rb_raise(), rb_scan_args(), RHASH_EMPTY_P, RHASH_TBL, set_zero(), SIZET2NUM, sorted_heaps_slot::slot, rb_objspace::sorted, st_foreach(), sorted_heaps_slot::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, type, and TYPE.

Referenced by Init_GC().

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

Definition at line 2931 of file gc.c.

References finalizer_table, FL_ABLE, FL_FINALIZE, INT2FIX, OBJ_FREEZE, rb_ary_new3(), rb_ary_push(), rb_block_proc(), rb_check_frozen, rb_eArgError, rb_intern, rb_obj_classname(), rb_raise(), rb_respond_to(), rb_safe_level(), rb_scan_args(), RBASIC, st_add_direct(), and st_lookup().

Referenced by Init_GC().

static void finalize_deferred ( rb_objspace_t *  objspace  )  [static]

Definition at line 3045 of file gc.c.

References ATOMIC_PTR_EXCHANGE, 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 2053 of file gc.c.

References add_freelist(), RVALUE::as, FL_SINGLETON, FL_TEST, RVALUE::free, GC_PROF_DEC_LIVE_NUM, rb_objspace::heap, heaps_slot::limit, RDATA, run_final(), heaps_slot::slot, and rb_objspace::sweep_slots.

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 3070 of file gc.c.

References ALLOC, 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 1721 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 1688 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_unused_heaps ( rb_objspace_t *  objspace  )  [static]

Definition at line 2092 of file gc.c.

References free, rb_objspace::heap, heaps_freed, heaps_used, last, heaps_slot::limit, heaps_slot::membase, sorted_heaps_slot::slot, and rb_objspace::sorted.

Referenced by after_gc_sweep(), and rb_gc().

static int garbage_collect ( rb_objspace_t *  objspace  )  [static]

Definition at line 2586 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, INIT_GC_PROF_PARAMS, Qtrue, ready_to_gc(), rest_sweep(), and TRUE.

Referenced by garbage_collect_with_gvl(), gc_lazy_sweep(), gc_with_gvl(), rb_garbage_collect(), rb_gc(), and rb_newobj().

static int garbage_collect_with_gvl ( rb_objspace_t *  objspace  )  [static]

Definition at line 729 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 VALUE gc_count ( VALUE  self  )  [static]

Definition at line 3409 of file gc.c.

References count, and UINT2NUM().

Referenced by gc_profile_result(), and Init_GC().

static int gc_lazy_sweep ( rb_objspace_t *  objspace  )  [static]

Definition at line 2273 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, freelist, 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, rb_objspace::heap, HEAP_OBJ_LIMIT, heaps_increment(), heaps_used, INIT_GC_PROF_PARAMS, lazy_sweep(), rb_objspace::live_num, Qfalse, Qtrue, ready_to_gc(), set_heaps_increment(), rb_objspace::sweep_slots, and TRUE.

Referenced by rb_newobj().

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

Definition at line 1749 of file gc.c.

References RVALUE::as, RVALUE::basic, FL_MARK, RBasic::flags, rb_objspace::heap, rb_objspace::live_num, rb_objspace::mark_stack, push_mark_stack(), RANY, and rb_special_const_p().

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 1770 of file gc.c.

References RVALUE::array, RString::as, RArray::as, RVALUE::as, RVALUE::basic, BUILTIN_TYPE, RVALUE::complex, RVALUE::data, DATA_PTR, RRational::den, RData::dmark, rb_data_type_struct::dmark, ELTS_SHARED, rb_io_t::encs, RVALUE::file, FL_ANY, FL_EXIVAR, FL_MARK, FL_TEST, RBasic::flags, RFile::fptr, rb_data_type_struct::function, gc_mark(), RVALUE::hash, RString::heap, RArray::heap, rb_objspace::heap, if(), RHash::ifnone, RComplex::imag, is_pointer_to_heap(), RBasic::klass, len, rb_objspace::live_num, mark_const_tbl(), mark_hash(), mark_locations_array(), mark_m_tbl(), mark_tbl(), RVALUE::match, nd_type, RVALUE::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_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_OPTBLOCK, 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, RHash::ntbl, RRational::num, rb_io_t::pathv, RANY, RARRAY_LEN, RARRAY_PTR, RVALUE::rational, rb_bug(), rb_mark_generic_ivar(), rb_special_const_p(), RCLASS_CONST_TBL, RCLASS_IV_TBL, RCLASS_M_TBL, RCLASS_SUPER, RComplex::real, RMatch::regexp, RVALUE::regexp, ROBJECT_IVPTR, ROBJECT_NUMIV, RSTRING_NOEMBED, RSTRUCT_LEN, RSTRUCT_PTR, RTYPEDDATA_P, RRegexp::src, RMatch::str, STR_ASSOC, RVALUE::string, T_ARRAY, T_BIGNUM, T_CLASS, T_COMPLEX, T_DATA, 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_ZOMBIE, rb_io_t::tied_io_for_writing, RTypedData::type, RVALUE::typeddata, rb_io_t::write_lock, rb_io_t::writeconv_asciicompat, and rb_io_t::writeconv_pre_ecopts.

Referenced by gc_mark_stacked_objects().

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

Definition at line 1556 of file gc.c.

References mark_locations_array().

Referenced by rb_gc_mark_locations().

static void gc_mark_stacked_objects ( rb_objspace_t *  objspace  )  [static]

Definition at line 1501 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 2543 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, rb_objspace::live_num, mark_current_machine_context(), mark_tbl(), 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_lazy_sweep().

static VALUE gc_profile_clear ( void   )  [static]

Definition at line 690 of file gc.c.

References rb_objspace::count, MEMZERO, rb_objspace::profile, Qnil, rb_objspace::record, and rb_objspace::size.

Referenced by Init_GC().

static VALUE gc_profile_disable ( void   )  [static]

Definition at line 673 of file gc.c.

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

Referenced by Init_GC().

static VALUE gc_profile_enable ( void   )  [static]

Definition at line 656 of file gc.c.

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

Referenced by Init_GC().

static VALUE gc_profile_enable_get ( VALUE  self  )  [static]

Definition at line 641 of file gc.c.

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

Referenced by Init_GC().

static VALUE gc_profile_record_get ( void   )  [static]

Definition at line 3502 of file gc.c.

References gc_profile_record::allocate_increase, gc_profile_record::allocate_limit, rb_objspace::count, DBL2NUM, gc_profile_record::gc_invoke_time, gc_profile_record::gc_mark_time, gc_profile_record::gc_sweep_time, gc_profile_record::gc_time, gc_profile_record::have_finalize, gc_profile_record::heap_free_objects, gc_profile_record::heap_live_objects, gc_profile_record::heap_total_objects, gc_profile_record::heap_total_size, gc_profile_record::heap_use_size, gc_profile_record::heap_use_slots, 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::record, rb_objspace::run, and SIZET2NUM.

Referenced by gc_profile_result().

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

Definition at line 3610 of file gc.c.

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

Referenced by Init_GC().

static VALUE gc_profile_result ( void   )  [static]

Definition at line 3549 of file gc.c.

References rb_objspace::count, gc_count(), gc_profile_record_get(), ID2SYM, NUM2DBL, NUM2INT, NUM2SIZET, PRIuSIZE, rb_objspace::profile, RARRAY_LEN, RARRAY_PTR, rb_hash_aref(), rb_intern, rb_sprintf(), rb_str_cat2(), rb_str_catf(), rb_str_new2, result, and rb_objspace::run.

Referenced by gc_profile_report(), and Init_GC().

static VALUE gc_profile_total_time ( VALUE  self  )  [static]

Definition at line 3633 of file gc.c.

References rb_objspace::count, DBL2NUM, gc_profile_record::gc_time, rb_objspace::profile, 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 3440 of file gc.c.

References rb_objspace::count, rb_objspace::final_num, rb_objspace::free_num, rb_objspace::heap, ID2SYM, rb_objspace::increment, rb_objspace::length, rb_objspace::live_num, Qnil, rb_eTypeError, rb_hash_aset(), rb_hash_new(), rb_intern, rb_raise(), rb_scan_args(), rest_sweep(), SIZET2NUM, T_HASH, TYPE, and rb_objspace::used.

Referenced by Init_GC().

static VALUE gc_stress_get ( VALUE  self  )  [static]

Definition at line 606 of file gc.c.

References Qfalse, Qtrue, and ruby_gc_stress.

Referenced by Init_GC().

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

Definition at line 625 of file gc.c.

References rb_secure(), RTEST, and ruby_gc_stress.

Referenced by Init_GC().

static void gc_sweep ( rb_objspace_t *  objspace  )  [static]

Definition at line 2327 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 723 of file gc.c.

References garbage_collect().

Referenced by garbage_collect_with_gvl().

static double getrusage_time ( void   )  [static]

Definition at line 139 of file gc.c.

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

Referenced by init_heap().

static int heaps_increment ( rb_objspace_t *  objspace  )  [static]

Definition at line 1170 of file gc.c.

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

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

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

Definition at line 3182 of file gc.c.

References BUILTIN_TYPE, FIXNUM_P, ID2SYM, is_pointer_to_heap(), NUM2PTR, obj_id_to_ref, Qfalse, Qnil, Qtrue, rb_eRangeError, rb_id2name(), rb_raise(), rb_secure(), RBASIC, T_FIXNUM, and T_ICLASS.

Referenced by Init_GC().

void Init_GC ( void   ) 

Definition at line 3675 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_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_define_method(), rb_define_module(), rb_define_module_function(), rb_define_module_under(), 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, and undefine_final().

void Init_heap ( void   ) 

Definition at line 2692 of file gc.c.

References init_heap().

Referenced by ruby_init().

static void init_heap ( rb_objspace_t *  objspace  )  [static]

Definition at line 1125 of file gc.c.

References add_heap_slots(), ALT_STACK_SIZE, 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, and st_init_numtable().

Referenced by Init_heap().

static void init_mark_stack ( mark_stack_t *  stack  )  [static]

Definition at line 1442 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 2655 of file gc.c.

References ruby_init_stack().

static void initial_expand_heap ( rb_objspace_t *  objspace  )  [static]

Definition at line 1144 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 is_mark_stask_empty ( mark_stack_t *  stack  )  [inline, static]

Definition at line 1344 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 1514 of file gc.c.

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

Referenced by gc_mark_children(), id2ref(), mark_locations_array(), and rb_gc_mark_maybe().

static int lazy_sweep ( rb_objspace_t *  objspace  )  [static]

Definition at line 2242 of file gc.c.

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

Referenced by gc_lazy_sweep(), and rest_sweep().

static VALUE lazy_sweep_enable ( void   )  [static]

Definition at line 2698 of file gc.c.

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

Referenced by rb_objspace_each_objects().

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

Definition at line 2358 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 2364 of file gc.c.

References RVALUE::as, RData::data, RVALUE::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 1704 of file gc.c.

References 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 1712 of file gc.c.

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

Referenced by gc_mark_children().

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

Definition at line 2515 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, STACK_START, and stack_start.

Referenced by gc_marks().

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

Definition at line 1578 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 1627 of file gc.c.

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

Referenced by gc_mark_children(), and rb_mark_hash().

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

Definition at line 1595 of file gc.c.

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

Referenced by mark_set().

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

Definition at line 1618 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 1542 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 1679 of file gc.c.

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

Referenced by gc_mark_children().

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

Definition at line 1642 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::proc, rb_iseq_struct::self, rb_method_definition_struct::type, VM_METHOD_TYPE_ATTRSET, VM_METHOD_TYPE_BMETHOD, VM_METHOD_TYPE_ISEQ, and VM_METHOD_TYPE_IVAR.

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 1671 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 1603 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 1586 of file gc.c.

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

Referenced by gc_mark_children(), gc_marks(), and rb_mark_tbl().

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

Definition at line 706 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 699 of file gc.c.

References rb_eNoMemError, and rb_raise().

Referenced by negative_size_allocation_error().

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

Definition at line 2373 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_SCOPE, onig_free(), onig_region_free(), 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 2714 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_slot::limit, heaps_slot::membase, Qnil, heaps_slot::slot, sorted_heaps_slot::slot, and rb_objspace::sorted.

Referenced by rb_objspace_each_objects().

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

Definition at line 2887 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 2840 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 2808 of file gc.c.

References RVALUE::as, RVALUE::basic, BUILTIN_TYPE, FL_SINGLETON, FL_TEST, RBasic::flags, RBasic::klass, os_each_struct::num, os_each_struct::of, rb_obj_is_kind_of(), rb_yield(), T_CLASS, T_ICLASS, T_NODE, T_NONE, and T_ZOMBIE.

Referenced by os_obj_of().

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

Definition at line 1427 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 1392 of file gc.c.

References add_stack_chunk_cache(), 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 1418 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 1372 of file gc.c.

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

Referenced by init_mark_stack(), and push_mark_stack().

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

Definition at line 1244 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 1257 of file gc.c.

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

int rb_during_gc ( void   ) 

Definition at line 1181 of file gc.c.

References during_gc.

void rb_free_const_table ( st_table *  tbl  ) 

Definition at line 1728 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 1697 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 2616 of file gc.c.

References garbage_collect().

void rb_gc ( void   ) 

Definition at line 3160 of file gc.c.

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

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

void rb_gc_call_finalizer_at_exit ( void   ) 

Definition at line 3082 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 2968 of file gc.c.

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

Referenced by init_copy().

VALUE rb_gc_disable ( void   ) 

Definition at line 959 of file gc.c.

References dont_gc, Qfalse, Qtrue, 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 937 of file gc.c.

References dont_gc, FALSE, Qfalse, and Qtrue.

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 3055 of file gc.c.

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

Referenced by rb_threadptr_execute_interrupts_common().

void rb_gc_force_recycle ( VALUE  p  ) 

Definition at line 2345 of file gc.c.

References add_freelist(), FL_MARK, GC_PROF_DEC_LIVE_NUM, RANY, and RBASIC.

Referenced by call_queue_handler(), dispose_string(), eval_queue_handler(), invoke_queue_handler(), parser_heredoc_restore(), parser_prepare(), parser_yylex(), rb_ary_decrement_share(), ruby_vm_destruct(), and yyparse().

void rb_gc_mark ( VALUE  ptr  ) 

Definition at line 1764 of file gc.c.

References gc_mark().

Referenced by _thread_call_proc_arg_mark(), addrinfo_mark(), argf_mark(), barrier_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(), gc_marks(), generator_mark(), givar_mark_i(), gzfile_mark(), invoke_queue_mark(), mark_dump_arg(), mark_event_hooks(), mark_marshal_compat_i(), parser_mark(), random_mark(), rb_mark_end_proc(), rb_thread_mark(), rb_vm_mark(), strio_mark(), strscan_mark(), subst_mark(), syck_mark_emitter(), syck_mark_parser(), syck_node_mark(), time_mark(), vm_mark_each_thread_func(), yielder_mark(), and zstream_mark().

void rb_gc_mark_locations ( VALUE *  start,
VALUE *  end 
)

Definition at line 1566 of file gc.c.

References gc_mark_locations().

void rb_gc_mark_machine_stack ( rb_thread_t *  th  ) 

Definition at line 2622 of file gc.c.

References GET_STACK_BOUNDS, rb_gc_mark_locations, and stack_start.

Referenced by rb_thread_mark().

void rb_gc_mark_maybe ( VALUE  obj  ) 

Definition at line 1741 of file gc.c.

References gc_mark(), and is_pointer_to_heap().

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

void rb_gc_register_address ( VALUE *  addr  ) 

Definition at line 978 of file gc.c.

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

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

void rb_gc_register_mark_object ( VALUE  obj  ) 

Definition at line 971 of file gc.c.

References GET_THREAD, and rb_ary_push().

Referenced by date__strptime_internal(), date_zone_to_diff(), Init_Bignum(), Init_date_core(), Init_Encoding(), Init_IO(), Init_load(), Init_marshal(), Init_VM(), Init_win32ole(), make_patterns(), power_cache_get_power0(), 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 447 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.

Referenced by process_options().

VALUE rb_gc_start ( void   ) 

Definition at line 2646 of file gc.c.

References Qnil, and rb_gc().

Referenced by Init_GC().

void rb_gc_unregister_address ( VALUE *  addr  ) 

Definition at line 990 of file gc.c.

References global_List, gc_list::next, gc_list::varptr, and xfree.

Referenced by curses_finalize().

void rb_global_variable ( VALUE *  var  ) 

Definition at line 550 of file gc.c.

References rb_gc_register_address().

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

void rb_mark_hash ( st_table *  tbl  ) 

Definition at line 1636 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 1665 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 1612 of file gc.c.

References mark_set().

Referenced by mark_dump_arg().

void rb_mark_tbl ( st_table *  tbl  ) 

Definition at line 1735 of file gc.c.

References mark_tbl().

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

void rb_memerror ( void   ) 

Definition at line 581 of file gc.c.

References 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(), nsdr(), rb_newobj(), readline_attempted_completion_function(), ruby_memerror(), ruby_memerror_body(), and stack_chunk_alloc().

VALUE rb_newobj ( void   ) 

Definition at line 1190 of file gc.c.

References dont_gc, during_gc, freelist, garbage_collect(), gc_lazy_sweep(), GC_PROF_INC_LIVE_NUM, MEMZERO, RANY, rb_bug(), rb_memerror(), rb_sourcefile(), rb_sourceline(), ruby_gc_stress, and UNLIKELY.

Referenced by rb_node_newnode().

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

Definition at line 1229 of file gc.c.

References nd_set_type, rb_newobj(), and T_NODE.

Referenced by enum_zip(), parser_heredoc_identifier(), and rb_autoload().

VALUE rb_obj_id ( VALUE  obj  ) 

Definition at line 3248 of file gc.c.

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

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

static void rb_objspace_call_finalizer ( rb_objspace_t *  objspace  )  [static]

Definition at line 3088 of file gc.c.

References RVALUE::as, assert, ATOMIC_EXCHANGE, ATOMIC_SET, BUILTIN_TYPE, DATA_PTR, deferred_final_list, during_gc, sorted_heaps_slot::end, finalize_deferred(), finalize_list(), finalizer_table, finalizing, force_chain_object(), RVALUE::free, rb_objspace::heap, heaps_used, make_deferred(), make_io_deferred(), force_finalize_list::next, force_finalize_list::obj, RANY, rb_obj_id(), 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(), sorted_heaps_slot::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 1273 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 1284 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 2789 of file gc.c.

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

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

static int ready_to_gc ( rb_objspace_t *  objspace  )  [static]

Definition at line 2189 of file gc.c.

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

Referenced by garbage_collect(), and gc_lazy_sweep().

static void rest_sweep ( rb_objspace_t *  objspace  )  [static]

Definition at line 2260 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_objspace_call_finalizer(), and rb_objspace_each_objects().

int ruby_get_stack_grow_direction ( volatile VALUE *  addr  ) 

Definition at line 1315 of file gc.c.

References SET_MACHINE_STACK_END.

static void ruby_memerror ( void   )  [static]

Definition at line 563 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 556 of file gc.c.

References rb_memerror().

Referenced by ruby_memerror().

int ruby_stack_check ( void   ) 

Definition at line 1486 of file gc.c.

References stack_check(), and STACKFRAME_FOR_CALL_CFUNC.

Referenced by stack_check().

size_t ruby_stack_length ( VALUE **  p  ) 

Definition at line 1457 of file gc.c.

References GET_THREAD, SET_STACK_END, STACK_END, STACK_LENGTH, STACK_START, and STACK_UPPER.

void* ruby_xcalloc ( size_t  n,
size_t  size 
)

Definition at line 894 of file gc.c.

References vm_xcalloc().

void ruby_xfree ( void *  x  ) 

Definition at line 916 of file gc.c.

References vm_xfree().

Referenced by 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(), iseq_free(), JSON_free(), mutex_free(), ossl_cipher_free(), ossl_hmac_free(), proc_free(), rb_dl_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 859 of file gc.c.

References vm_xmalloc().

Referenced by rb_dl_malloc(), and rb_dlptr_malloc().

void* ruby_xmalloc2 ( size_t  n,
size_t  size 
)

Definition at line 875 of file gc.c.

References vm_xmalloc(), and xmalloc2_size().

void* ruby_xrealloc ( void *  ptr,
size_t  size 
)

Definition at line 900 of file gc.c.

References vm_xrealloc().

Referenced by rb_dl_realloc(), and ruby_xrealloc2().

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

Definition at line 906 of file gc.c.

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

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

Definition at line 3017 of file gc.c.

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

Referenced by finalize_list().

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

Definition at line 2991 of file gc.c.

References args, FIX2INT, Qnil, RARRAY_LEN, RARRAY_PTR, rb_ary_new3(), 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 2983 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 1154 of file gc.c.

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

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

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

Definition at line 3288 of file gc.c.

References 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 1358 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 2127 of file gc.c.

References add_freelist(), RVALUE::as, RVALUE::basic, BUILTIN_TYPE, deferred_final_list, rb_objspace::do_heap_free, rb_objspace::final_num, finalizing, FL_FINALIZE, FL_MARK, FL_SINGLETON, FL_TEST, RBasic::flags, RVALUE::free, free, rb_objspace::free_num, freelist, GET_THREAD, rb_objspace::heap, heaps_slot::limit, obj_free(), RBASIC, RDATA, RUBY_VM_SET_FINALIZER_INTERRUPT, heaps_slot::slot, T_ZOMBIE, and unlink_heap_slot().

Referenced by gc_sweep(), and lazy_sweep().

static int stack_check ( int  water_mark  )  [static]

Definition at line 1467 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 1332 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 2911 of file gc.c.

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

Referenced by Init_GC().

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

Definition at line 2076 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 770 of file gc.c.

References malloc_increase, and rb_objspace::malloc_params.

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 750 of file gc.c.

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

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 881 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 845 of file gc.c.

References 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 793 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 803 of file gc.c.

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

Referenced by ruby_xrealloc().

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

Definition at line 865 of file gc.c.

References len, rb_eArgError, and rb_raise().

Referenced by ruby_xmalloc2(), and vm_xcalloc().

Variable Documentation

ruby_gc_params_t initial_params
Initial value:
 {
    GC_MALLOC_LIMIT,
    HEAP_MIN_SLOTS,
    FREE_MIN,



}

Definition at line 92 of file gc.c.

VALUE rb_mGC

Definition at line 968 of file gc.c.

rb_objspace_t rb_objspace = {{GC_MALLOC_LIMIT}, {HEAP_MIN_SLOTS}} [static]

Definition at line 404 of file gc.c.

int ruby_disable_gc_stress = 0

Definition at line 543 of file gc.c.

int ruby_gc_debug_indent = 0

Definition at line 114 of file gc.c.

int* ruby_initial_gc_stress_ptr = &rb_objspace.gc_stress

Definition at line 405 of file gc.c.

Referenced by set_debug_option().

int ruby_stack_grow_direction

Definition at line 1313 of file gc.c.

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