Sha256: 2ab768ed205107c6a404ba17f3a3d4711acdc51c0eecba71d392da3031da54bc
Contents?: true
Size: 610 Bytes
Versions: 28
Compression:
Stored size: 610 Bytes
Contents
/*
* use wrappers around libatomic-ops for folks that don't have GCC
* or a new enough version of GCC
*/
#ifndef HAVE_GCC_ATOMIC_BUILTINS
#include <atomic_ops.h>
static inline unsigned long
__sync_add_and_fetch(unsigned long *dst, unsigned long incr)
{
AO_t tmp = AO_fetch_and_add((AO_t *)dst, (AO_t)incr);
return (unsigned long)tmp + incr;
}
static inline unsigned long
__sync_sub_and_fetch(unsigned long *dst, unsigned long incr)
{
AO_t tmp = AO_fetch_and_add((AO_t *)dst, (AO_t)(-(long)incr));
return (unsigned long)tmp - incr;
}
#endif /* HAVE_GCC_ATOMIC_BUILTINS */
Version data entries
28 entries across 28 versions & 3 rubygems