| /* |
| * Copyright (C) 2006 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef SkThread_platform_DEFINED |
| #define SkThread_platform_DEFINED |
| |
| #if defined(ANDROID) && !defined(SK_BUILD_FOR_ANDROID_NDK) |
| |
| #include <utils/threads.h> |
| #include <utils/Atomic.h> |
| |
| #define sk_atomic_inc(addr) android_atomic_inc(addr) |
| #define sk_atomic_dec(addr) android_atomic_dec(addr) |
| |
| class SkMutex : android::Mutex { |
| public: |
| // if isGlobal is true, then ignore any errors in the platform-specific |
| // destructor |
| SkMutex(bool isGlobal = true) {} |
| ~SkMutex() {} |
| |
| void acquire() { this->lock(); } |
| void release() { this->unlock(); } |
| }; |
| |
| #else |
| |
| /** Implemented by the porting layer, this function adds 1 to the int specified |
| by the address (in a thread-safe manner), and returns the previous value. |
| */ |
| int32_t sk_atomic_inc(int32_t* addr); |
| /** Implemented by the porting layer, this function subtracts 1 to the int |
| specified by the address (in a thread-safe manner), and returns the previous |
| value. |
| */ |
| int32_t sk_atomic_dec(int32_t* addr); |
| |
| class SkMutex { |
| public: |
| // if isGlobal is true, then ignore any errors in the platform-specific |
| // destructor |
| SkMutex(bool isGlobal = true); |
| ~SkMutex(); |
| |
| void acquire(); |
| void release(); |
| |
| private: |
| bool fIsGlobal; |
| enum { |
| kStorageIntCount = 64 |
| }; |
| uint32_t fStorage[kStorageIntCount]; |
| }; |
| |
| #endif |
| |
| #endif |