| /* |
| * Copyright 2006 The Android Open Source Project |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "SkThread.h" |
| |
| int32_t sk_atomic_inc(int32_t* addr) { |
| int32_t value = *addr; |
| *addr = value + 1; |
| return value; |
| } |
| |
| int32_t sk_atomic_add(int32_t* addr, int32_t inc) { |
| int32_t value = *addr; |
| *addr = value + inc; |
| return value; |
| } |
| |
| int32_t sk_atomic_dec(int32_t* addr) { |
| int32_t value = *addr; |
| *addr = value - 1; |
| return value; |
| } |
| void sk_membar_aquire__after_atomic_dec() { } |
| |
| int32_t sk_atomic_conditional_inc(int32_t* addr) { |
| int32_t value = *addr; |
| if (value != 0) ++*addr; |
| return value; |
| } |
| void sk_membar_aquire__after_atomic_conditional_inc() { } |
| |
| SkMutex::SkMutex() {} |
| |
| SkMutex::~SkMutex() {} |
| |
| #ifndef SK_USE_POSIX_THREADS |
| void SkMutex::acquire() {} |
| void SkMutex::release() {} |
| #endif |