ruby_atomic.h File Reference

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Defines
#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_EXCHANGE(var, val)   atomic_size_exchange(&(var), (val))
#define	ATOMIC_SIZE_INC(var)   ATOMIC_INC(var)
#define	ATOMIC_SIZE_DEC(var)   ATOMIC_DEC(var)
#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 132 of file ruby_atomic.h.

Referenced by rb_threadptr_execute_interrupts(), and rb_update_max_fd().

#define ATOMIC_DEC

(

var

)

((var)--)

Definition at line 129 of file ruby_atomic.h.

Referenced by rb_get_next_signal().

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

Definition at line 131 of file ruby_atomic.h.

Referenced by rb_gc_finalize_deferred(), and rb_objspace_call_finalizer().

#define ATOMIC_INC

(

var

)

((var)++)

Definition at line 128 of file ruby_atomic.h.

Referenced by sighandler().

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

Definition at line 130 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 166 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 161 of file ruby_atomic.h.

Referenced by finalize_deferred().

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

Definition at line 127 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 134 of file ruby_atomic.h.

Referenced by vm_malloc_fixup(), and vm_xrealloc().

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

Definition at line 156 of file ruby_atomic.h.

#define ATOMIC_SIZE_DEC

(

var

)

ATOMIC_DEC(var)

Definition at line 150 of file ruby_atomic.h.

Referenced by vm_xfree().

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

Definition at line 136 of file ruby_atomic.h.

Referenced by after_gc_sweep().

#define ATOMIC_SIZE_INC

(

var

)

ATOMIC_INC(var)

Definition at line 147 of file ruby_atomic.h.

Referenced by vm_malloc_fixup().

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

Definition at line 135 of file ruby_atomic.h.

Referenced by vm_xfree().

#define NEED_RUBY_ATOMIC_OPS

Definition at line 121 of file ruby_atomic.h.

---

Typedef Documentation

typedef int rb_atomic_t

Definition at line 120 of file ruby_atomic.h.

---

Function Documentation

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

Definition at line 138 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 36 of file signal.c.

rb_atomic_t ruby_atomic_exchange	(	rb_atomic_t *	ptr,
		rb_atomic_t	val
	)

Definition at line 28 of file signal.c.