atomic.h File Reference

#include <stdbool.h>

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Classes
struct	atomic_t
struct	atomic64_t
struct	atomic_long_t

Macros
#define	ATOMIC_INIT(i)   { (i) }
#define	ATOMIC64_INIT(i)   { (i) }
#define	ATOMIC_LONG_INIT(i)   { (i) }
#define	cmpxchg(ptr, old, new)

Macro Definition Documentation

ATOMIC64_INIT

#define ATOMIC64_INIT

(

i

)

{ (i) }

ATOMIC_INIT

#define ATOMIC_INIT

(

i

)

{ (i) }

ATOMIC_LONG_INIT

#define ATOMIC_LONG_INIT

(

i

)

{ (i) }

cmpxchg

#define cmpxchg	(		ptr,
			old,
			new
	)

Value:

({                                  \
    typeof(*(ptr)) __old = (old);                   \
    typeof(*(ptr)) __new = (new);                   \
    (void)__atomic_compare_exchange_n((ptr), &__old, __new, 0,  \
            __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST);        \
    __old;                              \
})