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libuvthread.cpp
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112 lines (93 loc) · 2.06 KB
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/**
* @file thread/libuvthread.cpp
* @brief Implementation of thread functions based on libuv
*
* (c) 2013-2016 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.
*/
#include "mega.h"
#include "mega/thread/libuvthread.h"
#ifdef HAVE_LIBUV
namespace mega {
//LibUVThread
LibUVThread::LibUVThread()
{
thread = new uv_thread_t;
}
void LibUVThread::run(void *arg)
{
LibUVThread *object = (LibUVThread *)arg;
object->start_routine(object->pointer);
}
void LibUVThread::start(void *(*start_routine)(void*), void *parameter)
{
this->start_routine = start_routine;
this->pointer = parameter;
uv_thread_create(thread, LibUVThread::run, this);
}
void LibUVThread::join()
{
uv_thread_join(thread);
}
uint64_t LibUVThread::currentThreadId()
{
return (uint64_t) uv_thread_self();
}
LibUVThread::~LibUVThread()
{
delete thread;
}
//LibUVSemaphore
LibUVSemaphore::LibUVSemaphore()
{
semaphore = new uv_sem_t;
if (uv_sem_init(semaphore, 0) != 0)
{
LOG_fatal << "Error creating semaphore";
}
}
void LibUVSemaphore::wait()
{
uv_sem_wait(semaphore);
}
int LibUVSemaphore::timedwait(int milliseconds)
{
while (uv_sem_trywait(semaphore) != 0)
{
if (milliseconds < 0)
{
return -1;
}
#ifdef _WIN32
Sleep(100);
#else
usleep(100000)
#endif
milliseconds -= 100;
}
return 0;
}
void LibUVSemaphore::release()
{
uv_sem_post(semaphore);
}
LibUVSemaphore::~LibUVSemaphore()
{
uv_sem_destroy(semaphore);
delete semaphore;
}
}// namespace
#endif