ruby_atomic.h File Reference

Go to the source code of this file.

Defines
#define	NEED_RUBY_ATOMIC_EXCHANGE
#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))
#define	ATOMIC_SIZE_CAS(var, oldval, val)   ATOMIC_CAS(var, oldval, val)
#define	ATOMIC_PTR_EXCHANGE(var, val)   (void *)ATOMIC_SIZE_EXCHANGE(*(size_t *)&(var), (size_t)(val))
#define	ATOMIC_PTR_CAS(var, oldval, val)   (void *)ATOMIC_SIZE_CAS(*(size_t *)&(var), (size_t)(oldval), (size_t)(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)

---

Define Documentation

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

Definition at line 144 of file ruby_atomic.h.

#define ATOMIC_DEC

(

var

)

((var)--)

Definition at line 141 of file ruby_atomic.h.

Referenced by rb_get_next_signal().

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

Definition at line 143 of file ruby_atomic.h.

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

#define ATOMIC_INC

(

var

)

((var)++)

Definition at line 140 of file ruby_atomic.h.

Referenced by sighandler().

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

Definition at line 142 of file ruby_atomic.h.

#define ATOMIC_PTR_CAS	(	var,
		oldval,
		val		)	(void *)ATOMIC_SIZE_CAS(*(size_t *)&(var), (size_t)(oldval), (size_t)(val))

Definition at line 171 of file ruby_atomic.h.

Referenced by iseq_load().

#define ATOMIC_PTR_EXCHANGE	(	var,
		val		)	(void *)ATOMIC_SIZE_EXCHANGE(*(size_t *)&(var), (size_t)(val))

Definition at line 166 of file ruby_atomic.h.

Referenced by finalize_deferred().

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

Definition at line 139 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 146 of file ruby_atomic.h.

#define ATOMIC_SIZE_CAS	(	var,
		oldval,
		val		)	ATOMIC_CAS(var, oldval, val)

Definition at line 161 of file ruby_atomic.h.

#define ATOMIC_SIZE_DEC

(

var

)

((var)--)

Definition at line 149 of file ruby_atomic.h.

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

Definition at line 150 of file ruby_atomic.h.

#define ATOMIC_SIZE_INC

(

var

)

((var)++)

Definition at line 148 of file ruby_atomic.h.

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

Definition at line 147 of file ruby_atomic.h.

#define NEED_RUBY_ATOMIC_EXCHANGE

Definition at line 133 of file ruby_atomic.h.

---

Typedef Documentation

typedef int rb_atomic_t

Definition at line 132 of file ruby_atomic.h.

---

Function Documentation

static size_t atomic_size_exchange	(	size_t *	ptr,
		size_t	val
	)			[inline, static]

Definition at line 152 of file ruby_atomic.h.

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

Definition at line 34 of file signal.c.

rb_atomic_t ruby_atomic_exchange	(	rb_atomic_t *	ptr,
		rb_atomic_t	val
	)

Definition at line 26 of file signal.c.