From 9b1b081cfdb1c0fb6457278775e0823f8bc10f62 Mon Sep 17 00:00:00 2001
From: Unit 193 <unit193@ubuntu.com>
Date: Wed, 25 Apr 2018 18:07:30 -0400
Subject: Import Upstream version 2.0.0+dfsg

---
 src/lib/mt/Thread.cpp | 187 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 187 insertions(+)
 create mode 100644 src/lib/mt/Thread.cpp

(limited to 'src/lib/mt/Thread.cpp')

diff --git a/src/lib/mt/Thread.cpp b/src/lib/mt/Thread.cpp
new file mode 100644
index 0000000..7474c16
--- /dev/null
+++ b/src/lib/mt/Thread.cpp
@@ -0,0 +1,187 @@
+/*
+ * 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(IJob* job)
+{
+    m_thread = ARCH->newThread(&Thread::threadFunc, job);
+    if (m_thread == NULL) {
+        // couldn't create thread
+        delete job;
+        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(result);
+}
+
+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);
+}
+
+void*
+Thread::getResult() const
+{
+    if (wait())
+        return ARCH->getResultOfThread(m_thread);
+    else
+        return NULL;
+}
+
+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(void* vjob)
+{
+    // get this thread's id for logging
+    IArchMultithread::ThreadID id;
+    {
+        ArchThread thread = ARCH->newCurrentThread();
+        id = ARCH->getIDOfThread(thread);
+        ARCH->closeThread(thread);
+    }
+
+    // get job
+    IJob* job = static_cast<IJob*>(vjob);
+
+    // run job
+    void* result = NULL;
+    try {
+        // go
+        LOG((CLOG_DEBUG1 "thread 0x%08x entry", id));
+        job->run();
+        LOG((CLOG_DEBUG1 "thread 0x%08x exit", id));
+    }
+    catch (XThreadCancel&) {
+        // client called cancel()
+        LOG((CLOG_DEBUG1 "caught cancel on thread 0x%08x", id));
+        delete job;
+        throw;
+    }
+    catch (XThreadExit& e) {
+        // client called exit()
+        result = e.m_result;
+        LOG((CLOG_DEBUG1 "caught exit on thread 0x%08x, result %p", id, result));
+    }
+    catch (XBase& e) {
+        LOG((CLOG_ERR "exception on thread 0x%08x: %s", id, e.what()));
+        delete job;
+        throw;
+    }
+    catch (...) {
+        LOG((CLOG_ERR "exception on thread 0x%08x: <unknown>", id));
+        delete job;
+        throw;
+    }
+
+    // done with job
+    delete job;
+
+    // return exit result
+    return result;
+}
-- 
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