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16 lines
405 B
C
16 lines
405 B
C
/* cas.c -- implement sync.cas for Go.
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Copyright 2009 The Go Authors. All rights reserved.
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Use of this source code is governed by a BSD-style
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license that can be found in the LICENSE file. */
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#include <stdint.h>
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_Bool cas (int32_t *, int32_t, int32_t) asm ("libgo_sync.sync.cas");
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_Bool
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cas (int32_t *ptr, int32_t old, int32_t new)
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{
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return __sync_bool_compare_and_swap (ptr, old, new);
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}
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