Mercurial > hg > CbC > CbC_gcc
view libgo/go/sync/cas.c @ 138:fc828634a951
merge
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Thu, 08 Nov 2018 14:17:14 +0900 |
parents | 04ced10e8804 |
children |
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/* 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); }