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/*
* barrier -- mouse and keyboard sharing utility
* Copyright (C) 2012-2016 Symless Ltd.
* Copyright (C) 2002 Chris Schoeneman
*
* This package is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* found in the file LICENSE that should have accompanied this file.
*
* This package 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. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "mt/Thread.h"
#include "mt/XMT.h"
#include "mt/XThread.h"
#include "arch/Arch.h"
#include "base/Log.h"
#include "base/IJob.h"
//
// Thread
//
Thread::Thread(const std::function<void()>& fun)
{
m_thread = ARCH->newThread([=](){ threadFunc(fun); });
if (m_thread == NULL) {
throw XMTThreadUnavailable();
}
}
Thread::Thread(const Thread& thread)
{
m_thread = ARCH->copyThread(thread.m_thread);
}
Thread::Thread(ArchThread adoptedThread)
{
m_thread = adoptedThread;
}
Thread::~Thread()
{
ARCH->closeThread(m_thread);
}
Thread&
Thread::operator=(const Thread& thread)
{
// copy given thread and release ours
ArchThread copy = ARCH->copyThread(thread.m_thread);
ARCH->closeThread(m_thread);
// cut over
m_thread = copy;
return *this;
}
void
Thread::exit(void* result)
{
throw XThreadExit();
}
void
Thread::cancel()
{
ARCH->cancelThread(m_thread);
}
void
Thread::setPriority(int n)
{
ARCH->setPriorityOfThread(m_thread, n);
}
void
Thread::unblockPollSocket()
{
ARCH->unblockPollSocket(m_thread);
}
Thread
Thread::getCurrentThread()
{
return Thread(ARCH->newCurrentThread());
}
void
Thread::testCancel()
{
ARCH->testCancelThread();
}
bool
Thread::wait(double timeout) const
{
return ARCH->wait(m_thread, timeout);
}
IArchMultithread::ThreadID
Thread::getID() const
{
return ARCH->getIDOfThread(m_thread);
}
bool
Thread::operator==(const Thread& thread) const
{
return ARCH->isSameThread(m_thread, thread.m_thread);
}
bool
Thread::operator!=(const Thread& thread) const
{
return !ARCH->isSameThread(m_thread, thread.m_thread);
}
void Thread::threadFunc(const std::function<void()>& func)
{
// get this thread's id for logging
IArchMultithread::ThreadID id;
{
ArchThread thread = ARCH->newCurrentThread();
id = ARCH->getIDOfThread(thread);
ARCH->closeThread(thread);
}
try {
// go
LOG((CLOG_DEBUG1 "thread 0x%08x entry", id));
func();
LOG((CLOG_DEBUG1 "thread 0x%08x exit", id));
}
catch (XThreadCancel&) {
// client called cancel()
LOG((CLOG_DEBUG1 "caught cancel on thread 0x%08x", id));
throw;
}
catch (XThreadExit&) {
LOG((CLOG_DEBUG1 "caught exit on thread 0x%08x", id));
}
catch (XBase& e) {
LOG((CLOG_ERR "exception on thread 0x%08x: %s", id, e.what()));
throw;
}
catch (...) {
LOG((CLOG_ERR "exception on thread 0x%08x: <unknown>", id));
throw;
}
}
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