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| 1 /* | |
| 2 * Copyright 2014 Google Inc. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license that can be | |
| 5 * found in the LICENSE file. | |
| 6 */ | |
| 7 | |
| 8 #ifndef SkThreadPriv_DEFINED | |
| 9 #define SkThreadPriv_DEFINED | |
| 10 | |
| 11 #include "SkTypes.h" | |
| 12 | |
| 13 // SK_ATOMICS_PLATFORM_H must provide inline implementations for the following d
eclarations. | |
| 14 | |
| 15 /** Atomic compare and set, for pointers. | |
| 16 * If *addr == before, set *addr to after. Always returns previous value of *a
ddr. | |
| 17 * This must issue a release barrier on success, acquire on failure, and always
a compiler barrier. | |
| 18 */ | |
| 19 static void* sk_atomic_cas(void** addr, void* before, void* after); | |
| 20 | |
| 21 #include SK_ATOMICS_PLATFORM_H | |
| 22 | |
| 23 #endif//SkThreadPriv_DEFINED | |
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