atomic.h File Reference

#include <linux/compiler.h>
#include <linux/types.h>
#include <asm/processor.h>
#include <asm/alternative.h>
#include <asm/cmpxchg.h>
#include <asm/atomic64_64.h>

Go to the source code of this file.

Macros
#define	ATOMIC_INIT(i)   { (i) }
#define	atomic_inc_return(v)   (atomic_add_return(1, v))
#define	atomic_dec_return(v)   (atomic_sub_return(1, v))
#define	atomic_clear_mask(mask, addr)
#define	atomic_set_mask(mask, addr)
#define	smp_mb__before_atomic_dec()   barrier()
#define	smp_mb__after_atomic_dec()   barrier()
#define	smp_mb__before_atomic_inc()   barrier()
#define	smp_mb__after_atomic_inc()   barrier()

Macro Definition Documentation

#define atomic_clear_mask	(		mask,
			addr
	)

Value:

asm volatile(LOCK_PREFIX "andl %0,%1"           \
             : : "r" (~(mask)), "m" (*(addr)) : "memory")

Definition at line 272 of file atomic.h.

#define atomic_dec_return

(

v

)

(atomic_sub_return(1, v))

Definition at line 207 of file atomic.h.

#define atomic_inc_return

(

v

)

(atomic_add_return(1, v))

Definition at line 206 of file atomic.h.

#define ATOMIC_INIT

(

i

)

{ (i) }

Definition at line 15 of file atomic.h.

#define atomic_set_mask	(		mask,
			addr
	)

Value:

asm volatile(LOCK_PREFIX "orl %0,%1"            \
             : : "r" ((unsigned)(mask)), "m" (*(addr))  \
             : "memory")

Definition at line 276 of file atomic.h.

#define smp_mb__after_atomic_dec

(

)

barrier()

Definition at line 283 of file atomic.h.

#define smp_mb__after_atomic_inc

(

)

barrier()

Definition at line 285 of file atomic.h.

#define smp_mb__before_atomic_dec

(

)

barrier()

Definition at line 282 of file atomic.h.

#define smp_mb__before_atomic_inc

(

)

barrier()

Definition at line 284 of file atomic.h.