ruby_atomic.h File Reference

Go to the source code of this file.

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_EXCHANGE(var, val)   ruby_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))
#define	ATOMIC_VALUE_EXCHANGE(var, val)   ATOMIC_SIZE_EXCHANGE(*(size_t *)&(var), (size_t)(val))
#define	ATOMIC_VALUE_CAS(var, oldval, val)   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)

Macro Definition Documentation

ATOMIC_CAS

#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_postponed_job_flush().

ATOMIC_DEC

#define ATOMIC_DEC

(

var

)

((var)--)

Definition at line 129 of file ruby_atomic.h.

ATOMIC_EXCHANGE

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

Definition at line 131 of file ruby_atomic.h.

ATOMIC_INC

#define ATOMIC_INC

(

var

)

((var)++)

Definition at line 128 of file ruby_atomic.h.

ATOMIC_OR

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

Definition at line 130 of file ruby_atomic.h.

ATOMIC_PTR_CAS

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

Definition at line 191 of file ruby_atomic.h.

ATOMIC_PTR_EXCHANGE

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

Definition at line 177 of file ruby_atomic.h.

Referenced by rb_free_tmp_buffer().

ATOMIC_SET

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

Definition at line 127 of file ruby_atomic.h.

ATOMIC_SIZE_ADD

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

Definition at line 134 of file ruby_atomic.h.

ATOMIC_SIZE_CAS

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

Definition at line 156 of file ruby_atomic.h.

ATOMIC_SIZE_DEC

#define ATOMIC_SIZE_DEC

(

var

)

ATOMIC_DEC(var)

Definition at line 150 of file ruby_atomic.h.

ATOMIC_SIZE_EXCHANGE

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

Definition at line 136 of file ruby_atomic.h.

ATOMIC_SIZE_INC

#define ATOMIC_SIZE_INC

(

var

)

ATOMIC_INC(var)

Definition at line 147 of file ruby_atomic.h.

ATOMIC_SIZE_SUB

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

Definition at line 135 of file ruby_atomic.h.

ATOMIC_VALUE_CAS

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

Definition at line 220 of file ruby_atomic.h.

ATOMIC_VALUE_EXCHANGE

#define ATOMIC_VALUE_EXCHANGE	(		var,
			val
	)		ATOMIC_SIZE_EXCHANGE(*(size_t *)&(var), (size_t)(val))

Definition at line 206 of file ruby_atomic.h.

Referenced by rb_free_tmp_buffer().

NEED_RUBY_ATOMIC_OPS

#define NEED_RUBY_ATOMIC_OPS

Definition at line 121 of file ruby_atomic.h.

Typedef Documentation

rb_atomic_t

typedef int rb_atomic_t

Definition at line 120 of file ruby_atomic.h.

Function Documentation

ruby_atomic_compare_and_swap()

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

Definition at line 61 of file signal.c.

ruby_atomic_exchange()

rb_atomic_t ruby_atomic_exchange	(	rb_atomic_t *	ptr,
		rb_atomic_t	val
	)

Definition at line 53 of file signal.c.

References val.