diff options
Diffstat (limited to 'emulator/opengl/shared/emugl/common/thread_win32.cpp')
-rw-r--r-- | emulator/opengl/shared/emugl/common/thread_win32.cpp | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/emulator/opengl/shared/emugl/common/thread_win32.cpp b/emulator/opengl/shared/emugl/common/thread_win32.cpp deleted file mode 100644 index f348ca8..0000000 --- a/emulator/opengl/shared/emugl/common/thread_win32.cpp +++ /dev/null @@ -1,122 +0,0 @@ -// Copyright (C) 2014 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. - -#include "emugl/common/thread.h" - -#include "emugl/common/thread_store.h" - -namespace emugl { - -namespace { - -class ScopedLocker { -public: - ScopedLocker(CRITICAL_SECTION* section) : mSection(section) { - EnterCriticalSection(mSection); - } - - ~ScopedLocker() { - LeaveCriticalSection(mSection); - } -private: - CRITICAL_SECTION* mSection; -}; - -} // namespace - -Thread::Thread() : - mThread(INVALID_HANDLE_VALUE), - mThreadId(0), - mExitStatus(0), - mIsRunning(false) { - InitializeCriticalSection(&mLock); -} - -Thread::~Thread() { - if(mThread != INVALID_HANDLE_VALUE) { - CloseHandle(mThread); - } - DeleteCriticalSection(&mLock); -} - -bool Thread::start() { - ScopedLocker locker(&mLock); - - bool ret = true; - mIsRunning = true; - mThread = CreateThread(NULL, 0, &Thread::thread_main, this, 0, &mThreadId); - if (!mThread) { - ret = false; - mIsRunning = false; - } - return ret; -} - -bool Thread::wait(intptr_t* exitStatus) { - { - ScopedLocker locker(&mLock); - if (!mIsRunning) { - // Thread already stopped. - if (exitStatus) { - *exitStatus = mExitStatus; - } - return true; - } - } - - // NOTE: Do not hold lock during wait to aloow thread_main to - // properly update mIsRunning and mExitStatus on thread exit. - if (WaitForSingleObject(mThread, INFINITE) == WAIT_FAILED) { - return false; - } - - if (exitStatus) { - ScopedLocker locker(&mLock); - *exitStatus = mExitStatus; - } - return true; -} - -bool Thread::tryWait(intptr_t* exitStatus) { - ScopedLocker locker(&mLock); - - if (!mIsRunning || - WaitForSingleObject(mThread, 0) != WAIT_OBJECT_0) { - return false; - } - - if (exitStatus) { - *exitStatus = mExitStatus; - } - return true; -} - -// static -DWORD WINAPI Thread::thread_main(void *arg) -{ - Thread* self = reinterpret_cast<Thread*>(arg); - intptr_t ret = self->main(); - - EnterCriticalSection(&self->mLock); - self->mIsRunning = false; - self->mExitStatus = ret; - LeaveCriticalSection(&self->mLock); - - // Ensure all thread-local values are released for this thread. - ::emugl::ThreadStore::OnThreadExit(); - - return static_cast<DWORD>(ret); -} - -} // namespace emugl |