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