ruby_atomic.h File Reference

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Macros
#define	NEED_RUBY_ATOMIC_OPS
#define	ATOMIC_SET(var, val)   (void)((var) = (val))
#define	ATOMIC_INC(var)   ((var)++)
#define	ATOMIC_DEC(var)   ((var)--)
#define	ATOMIC_OR(var, val)   ((var) |= (val))
#define	ATOMIC_EXCHANGE(var, val)   ruby_atomic_exchange(&(var), (val))
#define	ATOMIC_CAS(var, oldval, newval)   ruby_atomic_compare_and_swap(&(var), (oldval), (newval))
#define	ATOMIC_SIZE_ADD(var, val)   (void)((var) += (val))
#define	ATOMIC_SIZE_SUB(var, val)   (void)((var) -= (val))
#define	ATOMIC_SIZE_INC(var)   ((var)++)
#define	ATOMIC_SIZE_DEC(var)   ((var)--)
#define	ATOMIC_SIZE_EXCHANGE(var, val)   atomic_size_exchange(&(var), (val))

Typedefs
typedef int	rb_atomic_t

Functions
rb_atomic_t	ruby_atomic_exchange (rb_atomic_t *ptr, rb_atomic_t val)
rb_atomic_t	ruby_atomic_compare_and_swap (rb_atomic_t *ptr, rb_atomic_t cmp, rb_atomic_t newval)
static size_t	atomic_size_exchange (size_t *ptr, size_t val)

Macro Definition Documentation

#define ATOMIC_CAS	(		var,
			oldval,
			newval
	)		ruby_atomic_compare_and_swap(&(var), (oldval), (newval))

Definition at line 105 of file ruby_atomic.h.

Referenced by rb_threadptr_execute_interrupts(), and rb_update_max_fd().

#define ATOMIC_DEC

(

var

)

((var)--)

Definition at line 102 of file ruby_atomic.h.

Referenced by rb_get_next_signal().

#define ATOMIC_EXCHANGE	(		var,
			val
	)		ruby_atomic_exchange(&(var), (val))

Definition at line 104 of file ruby_atomic.h.

Referenced by rb_gc_finalize_deferred(), and rb_objspace_call_finalizer().

#define ATOMIC_INC

(

var

)

((var)++)

Definition at line 101 of file ruby_atomic.h.

Referenced by sighandler().

#define ATOMIC_OR	(		var,
			val
	)		((var) |= (val))

Definition at line 103 of file ruby_atomic.h.

#define ATOMIC_SET	(		var,
			val
	)		(void)((var) = (val))

Definition at line 100 of file ruby_atomic.h.

Referenced by rb_gc_finalize_deferred(), and rb_objspace_call_finalizer().

#define ATOMIC_SIZE_ADD	(		var,
			val
	)		(void)((var) += (val))

Definition at line 107 of file ruby_atomic.h.

Referenced by vm_malloc_fixup(), and vm_xrealloc().

#define ATOMIC_SIZE_DEC

(

var

)

((var)--)

Definition at line 110 of file ruby_atomic.h.

Referenced by vm_xfree().

#define ATOMIC_SIZE_EXCHANGE	(		var,
			val
	)		atomic_size_exchange(&(var), (val))

Definition at line 111 of file ruby_atomic.h.

Referenced by after_gc_sweep().

#define ATOMIC_SIZE_INC

(

var

)

((var)++)

Definition at line 109 of file ruby_atomic.h.

Referenced by vm_malloc_fixup().

#define ATOMIC_SIZE_SUB	(		var,
			val
	)		(void)((var) -= (val))

Definition at line 108 of file ruby_atomic.h.

Referenced by vm_xfree().

#define NEED_RUBY_ATOMIC_OPS

Definition at line 94 of file ruby_atomic.h.

Typedef Documentation

typedef int rb_atomic_t

Definition at line 93 of file ruby_atomic.h.

Function Documentation

static size_t atomic_size_exchange ( size_t *  ptr, size_t  val  )

inlinestatic

Definition at line 113 of file ruby_atomic.h.

References ptr, and val.

rb_atomic_t ruby_atomic_compare_and_swap	(	rb_atomic_t *	ptr,
		rb_atomic_t	cmp,
		rb_atomic_t	newval
	)

Definition at line 36 of file signal.c.

References ptr.

rb_atomic_t ruby_atomic_exchange	(	rb_atomic_t *	ptr,
		rb_atomic_t	val
	)

Definition at line 28 of file signal.c.

References ptr, and val.