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| author |  commit-bot@chromium.org <commit-bot@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2014-05-27 15:16:37 +0000 |
|---|---|---|
| committer | commit-bot@chromium.org <commit-bot@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2014-05-27 15:16:37 +0000 |
| commit | abf4189f340dc0b714b945a8954d955c570880bf (patch) | |
| tree | 71311c09e2029075ef6013e6901dbf6d9691f684 /src/ports/SkAtomics_none.h | |
| parent | 212b211ce8e0fa0ef59ca2d1f4e91590fa5f91bf (diff) | |
Drop support for non-atomic non-mutex platforms.
(Clients can still provide these themselves if they really want.)
BUG=skia:
R=reed@google.com, mtklein@google.com
Author: mtklein@chromium.org
Review URL: https://codereview.chromium.org/295373005
git-svn-id: http://skia.googlecode.com/svn/trunk@14894 2bbb7eff-a529-9590-31e7-b0007b416f81
Diffstat (limited to 'src/ports/SkAtomics_none.h')
| -rw-r--r-- | src/ports/SkAtomics_none.h | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/src/ports/SkAtomics_none.h b/src/ports/SkAtomics_none.h deleted file mode 100644 index 73cbf0af22..0000000000 --- a/src/ports/SkAtomics_none.h +++ /dev/null @@ -1,43 +0,0 @@ -/* - * Copyright 2013 Google Inc. - * - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -#ifndef SkAtomics_none_DEFINED -#define SkAtomics_none_DEFINED - -/** Non-atomic atomics for uniprocessor systems. */ - -#include <stdint.h> - -static inline int32_t sk_atomic_inc(int32_t* addr) { - int32_t value = *addr; - *addr = value + 1; - return value; -} - -static inline int32_t sk_atomic_add(int32_t* addr, int32_t inc) { - int32_t value = *addr; - *addr = value + inc; - return value; -} - -static inline int32_t sk_atomic_dec(int32_t* addr) { - int32_t value = *addr; - *addr = value - 1; - return value; -} - -static inline void sk_membar_acquire__after_atomic_dec() { } - -static inline bool sk_atomic_cas(int32_t* addr, int32_t before, int32_t after) { - if (*addr != before) return false; - *addr = after; - return true; -} - -static inline void sk_membar_acquire__after_atomic_conditional_inc() { } - -#endif |