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/*
* Copyright (C) 2011 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 "osThread.h"
#include "emugl/common/thread_store.h"
namespace osUtils {
Thread::Thread() :
m_thread(NULL),
m_threadId(0),
m_isRunning(false)
{
}
Thread::~Thread()
{
if(m_thread) {
CloseHandle(m_thread);
}
}
bool
Thread::start()
{
m_isRunning = true;
m_thread = CreateThread(NULL, 0, &Thread::thread_main, this, 0, &m_threadId);
if(!m_thread) {
m_isRunning = false;
}
return m_isRunning;
}
bool
Thread::wait(int *exitStatus)
{
if (!m_isRunning) {
return false;
}
if(WaitForSingleObject(m_thread, INFINITE) == WAIT_FAILED) {
return false;
}
DWORD retval;
if (!GetExitCodeThread(m_thread,&retval)) {
return false;
}
m_isRunning = 0;
if (exitStatus) {
*exitStatus = retval;
}
return true;
}
bool
Thread::trywait(int *exitStatus)
{
if (!m_isRunning) {
return false;
}
if(WaitForSingleObject(m_thread, 0) == WAIT_OBJECT_0) {
DWORD retval;
if (!GetExitCodeThread(m_thread,&retval)) {
return true;
}
if (exitStatus) {
*exitStatus = retval;
}
return true;
}
return false;
}
DWORD WINAPI
Thread::thread_main(void *p_arg)
{
Thread *self = (Thread *)p_arg;
int ret = self->Main();
self->m_isRunning = false;
::emugl::ThreadStore::OnThreadExit();
return ret;
}
} // of namespace osUtils
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