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win32thread.cpp
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121 lines (102 loc) · 2.57 KB
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/**
* @file thread/win32thread.cpp
* @brief Win32 thread/mutex handling
*
* (c) 2013-2014 by Mega Limited, Auckland, New Zealand
*
* This file is part of the MEGA SDK - Client Access Engine.
*
* Applications using the MEGA API must present a valid application key
* and comply with the the rules set forth in the Terms of Service.
*
* The MEGA SDK is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* @copyright Simplified (2-clause) BSD License.
*
* You should have received a copy of the license along with this
* program.
*
* This file is also distributed under the terms of the GNU General
* Public License, see http://www.gnu.org/copyleft/gpl.txt for details.
*/
#include "mega/thread/win32thread.h"
#include "mega/logging.h"
#include <limits.h>
#ifdef _WIN32
#include "windows.h"
#endif
namespace mega {
//Thread
Win32Thread::Win32Thread()
{
}
DWORD WINAPI Win32Thread::run(LPVOID lpParameter)
{
Win32Thread *object = (Win32Thread *)lpParameter;
object->start_routine(object->pointer);
return 0;
}
void Win32Thread::start(void *(*start_routine)(void*), void *parameter)
{
this->start_routine = start_routine;
this->pointer = parameter;
hThread = CreateThread(NULL, 0, Win32Thread::run, this, 0, NULL);
}
void Win32Thread::join()
{
WaitForSingleObject(hThread, INFINITE);
}
unsigned long long Win32Thread::currentThreadId()
{
return (unsigned long long) GetCurrentThreadId();
}
Win32Thread::~Win32Thread()
{
CloseHandle(hThread);
}
//Semaphore
Win32Semaphore::Win32Semaphore()
{
semaphore = CreateSemaphore(NULL, 0, INT_MAX, NULL);
if (semaphore == NULL)
{
LOG_fatal << "Error creating semaphore: " << GetLastError();
}
}
void Win32Semaphore::release()
{
if (!ReleaseSemaphore(semaphore, 1, NULL))
{
LOG_fatal << "Error in ReleaseSemaphore: " << GetLastError();
}
}
void Win32Semaphore::wait()
{
DWORD ret = WaitForSingleObject(semaphore, INFINITE);
if (ret == WAIT_OBJECT_0)
{
return;
}
LOG_fatal << "Error in WaitForSingleObject: " << GetLastError();
}
int Win32Semaphore::timedwait(int milliseconds)
{
DWORD ret = WaitForSingleObject(semaphore, milliseconds);
if (ret == WAIT_OBJECT_0)
{
return 0;
}
if (ret == WAIT_TIMEOUT)
{
return -1;
}
LOG_err << "Error in WaitForSingleObject: " << GetLastError();
return -2;
}
Win32Semaphore::~Win32Semaphore()
{
CloseHandle(semaphore);
}
} // namespace