mirror of
https://github.com/autc04/Retro68.git
synced 2024-07-11 11:29:05 +00:00
18 lines
444 B
C
18 lines
444 B
C
/* cas.c -- implement sync.cas for Go.
|
|
|
|
Copyright 2009 The Go Authors. All rights reserved.
|
|
Use of this source code is governed by a BSD-style
|
|
license that can be found in the LICENSE file. */
|
|
|
|
#include <stdint.h>
|
|
|
|
#include "runtime.h"
|
|
|
|
_Bool cas (int32_t *, int32_t, int32_t) __asm__ (GOSYM_PREFIX "libgo_sync.sync.cas");
|
|
|
|
_Bool
|
|
cas (int32_t *ptr, int32_t old, int32_t new)
|
|
{
|
|
return __sync_bool_compare_and_swap (ptr, old, new);
|
|
}
|