gc.h File Reference

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Macros
#define	SET_MACHINE_STACK_END(p)   rb_gc_set_stack_end(p)
#define	USE_CONSERVATIVE_STACK_END
#define	RUBY_MARK_FREE_DEBUG   0
#define	RUBY_MARK_ENTER(msg)
#define	RUBY_MARK_LEAVE(msg)
#define	RUBY_FREE_ENTER(msg)
#define	RUBY_FREE_LEAVE(msg)
#define	RUBY_GC_INFO   if(0)printf
#define	RUBY_MARK_UNLESS_NULL(ptr)
#define	RUBY_FREE_UNLESS_NULL(ptr)   if(ptr){ruby_xfree(ptr);(ptr)=NULL;}
#define	stack_growup_p(x)
#define	STACK_UPPER(x, a, b)   (stack_growup_p(x) ? (a) : (b))
#define	STACK_GROW_DIR_DETECTION   VALUE stack_grow_dir_detection
#define	STACK_DIR_UPPER(a, b)   STACK_UPPER(&stack_grow_dir_detection, (a), (b))
#define	IS_STACK_DIR_UPPER()   STACK_DIR_UPPER(1,0)

Functions
	NOINLINE (void rb_gc_set_stack_end(VALUE **stack_end_p))
int	ruby_get_stack_grow_direction (volatile VALUE *addr)
const char *	rb_obj_info (VALUE obj)
const char *	rb_raw_obj_info (char *buff, const int buff_size, VALUE obj)
void	rb_obj_info_dump (VALUE obj)
int	rb_threadptr_during_gc (struct rb_thread_struct *th)
RUBY_SYMBOL_EXPORT_BEGIN size_t	rb_objspace_data_type_memsize (VALUE obj)
void	rb_objspace_reachable_objects_from (VALUE obj, void(func)(VALUE, void *), void *data)
void	rb_objspace_reachable_objects_from_root (void(func)(const char *category, VALUE, void *), void *data)
int	rb_objspace_markable_object_p (VALUE obj)
int	rb_objspace_internal_object_p (VALUE obj)
int	rb_objspace_marked_object_p (VALUE obj)
int	rb_objspace_garbage_object_p (VALUE obj)
void	rb_objspace_each_objects (int(*callback)(void *start, void *end, size_t stride, void *data), void *data)
void	rb_objspace_each_objects_without_setup (int(*callback)(void *, void *, size_t, void *), void *data)

Variables
RUBY_EXTERN int	ruby_stack_grow_direction

Macro Definition Documentation

IS_STACK_DIR_UPPER

#define IS_STACK_DIR_UPPER

(

)

STACK_DIR_UPPER(1,0)

Definition at line 87 of file gc.h.

RUBY_FREE_ENTER

#define RUBY_FREE_ENTER

(

msg

)

Definition at line 55 of file gc.h.

Referenced by rb_iseq_free(), and ruby_vm_destruct().

RUBY_FREE_LEAVE

#define RUBY_FREE_LEAVE

(

msg

)

Definition at line 56 of file gc.h.

RUBY_FREE_UNLESS_NULL

#define RUBY_FREE_UNLESS_NULL

(

ptr

)

if(ptr){ruby_xfree(ptr);(ptr)=NULL;}

Definition at line 64 of file gc.h.

RUBY_GC_INFO

#define RUBY_GC_INFO   if(0)printf

Definition at line 57 of file gc.h.

Referenced by rb_vm_mark().

RUBY_MARK_ENTER

#define RUBY_MARK_ENTER

(

msg

)

Definition at line 53 of file gc.h.

Referenced by rb_iseq_mark(), rb_thread_mark(), and rb_vm_mark().

RUBY_MARK_FREE_DEBUG

#define RUBY_MARK_FREE_DEBUG   0

Definition at line 18 of file gc.h.

RUBY_MARK_LEAVE

#define RUBY_MARK_LEAVE

(

msg

)

Definition at line 54 of file gc.h.

Referenced by rb_iseq_mark(), rb_thread_mark(), and rb_vm_mark().

RUBY_MARK_UNLESS_NULL

#define RUBY_MARK_UNLESS_NULL

(

ptr

)

Value:

do { \
    VALUE markobj = (ptr); \
    if (RTEST(markobj)) {rb_gc_mark(markobj);} \
} while (0)

Definition at line 60 of file gc.h.

Referenced by rb_iseq_mark(), rb_thread_mark(), and rb_vm_mark().

SET_MACHINE_STACK_END

#define SET_MACHINE_STACK_END

(

p

)

rb_gc_set_stack_end(p)

Definition at line 11 of file gc.h.

Referenced by Init_Cont(), and ruby_get_stack_grow_direction().

STACK_DIR_UPPER

#define STACK_DIR_UPPER	(		a,
			b
	)		STACK_UPPER(&stack_grow_dir_detection, (a), (b))

Definition at line 85 of file gc.h.

STACK_GROW_DIR_DETECTION

#define STACK_GROW_DIR_DETECTION   VALUE stack_grow_dir_detection

Definition at line 84 of file gc.h.

stack_growup_p

#define stack_growup_p

(

x

)

Value:

(                       \
        (ruby_stack_grow_direction ?            \
         ruby_stack_grow_direction :            \
         ruby_get_stack_grow_direction(x)) > 0)

Definition at line 73 of file gc.h.

STACK_UPPER

#define STACK_UPPER	(		x,
			a,
			b
	)		(stack_growup_p(x) ? (a) : (b))

Definition at line 77 of file gc.h.

Referenced by ruby_cleanup(), and ruby_stack_length().

USE_CONSERVATIVE_STACK_END

#define USE_CONSERVATIVE_STACK_END

Definition at line 12 of file gc.h.

Function Documentation

NOINLINE()

NOINLINE

(

void

rb_gc_set_stack_endVALUE **stack_end_p

)

rb_obj_info()

const char* rb_obj_info

(

VALUE

obj

)

Definition at line 9442 of file gc.c.

rb_obj_info_dump()

void rb_obj_info_dump

(

VALUE

obj

)

Definition at line 9453 of file gc.c.

References RANY, rb_gcdebug_print_obj_condition(), rb_objspace, and rb_raw_obj_info().

rb_objspace_data_type_memsize()

RUBY_SYMBOL_EXPORT_BEGIN size_t rb_objspace_data_type_memsize

(

VALUE

obj

)

Definition at line 2078 of file gc.c.

References rb_data_type_struct::dsize, rb_data_type_struct::function, RTYPEDDATA_DATA, RTYPEDDATA_P, and RTYPEDDATA_TYPE.

rb_objspace_each_objects()

void rb_objspace_each_objects	(	int(*)(void *start, void *end, size_t stride, void *data)	callback,
		void *	data
	)

rb_objspace_each_objects_without_setup()

void rb_objspace_each_objects_without_setup	(	int(*)(void *, void *, size_t, void *)	callback,
		void *	data
	)

rb_objspace_garbage_object_p()

int rb_objspace_garbage_object_p

(

VALUE

obj

)

Definition at line 3072 of file gc.c.

References rb_objspace.

rb_objspace_internal_object_p()

int rb_objspace_internal_object_p

(

VALUE

obj

)

Definition at line 2552 of file gc.c.

rb_objspace_markable_object_p()

int rb_objspace_markable_object_p

(

VALUE

obj

)

Definition at line 3065 of file gc.c.

References rb_objspace.

rb_objspace_marked_object_p()

int rb_objspace_marked_object_p

(

VALUE

obj

)

Definition at line 4474 of file gc.c.

rb_objspace_reachable_objects_from()

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

Definition at line 7599 of file gc.c.

References rb_objspace.

rb_objspace_reachable_objects_from_root()

void rb_objspace_reachable_objects_from_root	(	void(func)(const char *category, VALUE, void *)	,
		void *	data
	)

Definition at line 7627 of file gc.c.

References root_objects_data::data, root_objects_data::func, and rb_objspace.

rb_raw_obj_info()

const char* rb_raw_obj_info	(	char *	buff,
		const int	buff_size,
		VALUE	obj
	)

Definition at line 9290 of file gc.c.

References snprintf, and SPECIAL_CONST_P.

Referenced by rb_obj_info_dump(), and ruby_debug_print_value().

rb_threadptr_during_gc()

int rb_threadptr_during_gc

(

struct rb_thread_struct *

th

)

Definition at line 6742 of file gc.c.

References during_gc, rb_objspace_of, and rb_thread_struct::vm.

ruby_get_stack_grow_direction()

int ruby_get_stack_grow_direction

(

volatile VALUE *

addr

)

Definition at line 3997 of file gc.c.

References SET_MACHINE_STACK_END.

Variable Documentation

ruby_stack_grow_direction

RUBY_EXTERN int ruby_stack_grow_direction

Definition at line 71 of file gc.h.