acquire_release_volatile.h File Reference

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Macros
#define	AO_GCC_BARRIER()   (void)0
#define	AO_HAVE_GCC_BARRIER
#define	AO_HAVE_load_acquire
#define	AO_HAVE_store_release

Functions
AO_INLINE AO_t	AO_load_acquire (const volatile AO_t *addr)
AO_INLINE void	AO_store_release (volatile AO_t *addr, AO_t new_val)

Macro Definition Documentation

AO_GCC_BARRIER

#define AO_GCC_BARRIER

(

)

(void)0

Definition at line 39 of file acquire_release_volatile.h.

AO_HAVE_GCC_BARRIER

#define AO_HAVE_GCC_BARRIER

Definition at line 41 of file acquire_release_volatile.h.

AO_HAVE_load_acquire

#define AO_HAVE_load_acquire

Definition at line 53 of file acquire_release_volatile.h.

AO_HAVE_store_release

#define AO_HAVE_store_release

Definition at line 62 of file acquire_release_volatile.h.

Function Documentation

AO_load_acquire()

AO_INLINE AO_t AO_load_acquire

(

const volatile AO_t *

addr

)

Definition at line 45 of file acquire_release_volatile.h.

{
  AO_t result = *addr;
 
  /* A normal volatile load generates an ld.acq (on IA-64).     */
  AO_GCC_BARRIER();
  return result;
}

AO_store_release()

AO_INLINE void AO_store_release	(	volatile AO_t *	addr,
		AO_t	new_val
	)

Definition at line 56 of file acquire_release_volatile.h.

{
  AO_GCC_BARRIER();
  /* A normal volatile store generates an st.rel (on IA-64).    */
  *addr = new_val;
}