Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 240 insertions, 0 deletions

diff --git a/include/osl/thread.hxx b/include/osl/thread.hxx
new file mode 100644
index 000000000..dd3a4cbd3
--- /dev/null
+++ b/include/osl/thread.hxx
@@ -0,0 +1,240 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+/*
+ * This file is part of LibreOffice published API.
+ */
+
+#ifndef INCLUDED_OSL_THREAD_HXX
+#define INCLUDED_OSL_THREAD_HXX
+
+#include "sal/config.h"
+
+#include <cassert>
+#include <cstddef>
+
+#include "osl/time.h"
+#include "osl/thread.h"
+#include "rtl/alloc.h"
+
+namespace osl
+{
+/** threadFunc is the function which is executed by the threads
+    created by the osl::Thread class. The function's signature
+    matches the one of oslWorkerFunction which is declared in
+    osl/thread.h
+*/
+extern "C" inline void SAL_CALL threadFunc( void* param);
+
+/**
+   A thread abstraction.
+
+   @deprecated use ::salhelper::Thread instead.  Only the static member
+   functions ::osl::Thread::getCurrentIdentifier, ::osl::Thread::wait, and
+   ::osl::Thread::yield are not deprecated.
+ */
+class Thread
+{
+    Thread( const Thread& ) SAL_DELETED_FUNCTION;
+    Thread& operator= ( const Thread& ) SAL_DELETED_FUNCTION;
+public:
+    // these are here to force memory de/allocation to sal lib.
+    static void * SAL_CALL operator new( size_t nSize )
+        { return ::rtl_allocateMemory( nSize ); }
+    static void SAL_CALL operator delete( void * pMem )
+        { ::rtl_freeMemory( pMem ); }
+    static void * SAL_CALL operator new( size_t, void * pMem )
+        { return pMem; }
+    static void SAL_CALL operator delete( void *, void * )
+        {}
+
+    Thread(): m_hThread(NULL){}
+
+    virtual  ~Thread() COVERITY_NOEXCEPT_FALSE
+    {
+        osl_destroyThread( m_hThread);
+    }
+
+    bool SAL_CALL create()
+    {
+        assert(m_hThread == NULL); // only one running thread per instance
+        m_hThread = osl_createSuspendedThread( threadFunc, static_cast<void*>(this));
+        if (m_hThread == NULL)
+        {
+            return false;
+        }
+        osl_resumeThread(m_hThread);
+        return true;
+    }
+
+    bool SAL_CALL createSuspended()
+    {
+        assert(m_hThread == NULL); // only one running thread per instance
+        if( m_hThread)
+            return false;
+        m_hThread= osl_createSuspendedThread( threadFunc,
+                                             static_cast<void*>(this));
+        return m_hThread != NULL;
+    }
+
+    virtual void SAL_CALL suspend()
+    {
+        if( m_hThread )
+            osl_suspendThread(m_hThread);
+    }
+
+    virtual void SAL_CALL resume()
+    {
+        if( m_hThread )
+            osl_resumeThread(m_hThread);
+    }
+
+    virtual void SAL_CALL terminate()
+    {
+        if( m_hThread )
+            osl_terminateThread(m_hThread);
+    }
+
+    virtual void SAL_CALL join()
+    {
+        osl_joinWithThread(m_hThread);
+    }
+
+    bool SAL_CALL isRunning() const
+    {
+        return osl_isThreadRunning(m_hThread);
+    }
+
+    void SAL_CALL setPriority( oslThreadPriority Priority)
+    {
+        if( m_hThread )
+            osl_setThreadPriority(m_hThread, Priority);
+    }
+
+    oslThreadPriority SAL_CALL getPriority() const
+    {
+        return m_hThread ? osl_getThreadPriority(m_hThread) : osl_Thread_PriorityUnknown;
+    }
+
+    oslThreadIdentifier SAL_CALL getIdentifier() const
+    {
+        return osl_getThreadIdentifier(m_hThread);
+    }
+
+    static oslThreadIdentifier SAL_CALL getCurrentIdentifier()
+    {
+        return osl_getThreadIdentifier(NULL);
+    }
+
+    static void SAL_CALL wait(const TimeValue& Delay)
+    {
+        osl_waitThread(&Delay);
+    }
+
+    static void SAL_CALL yield()
+    {
+        osl_yieldThread();
+    }
+
+    static void setName(char const * name) SAL_NOEXCEPT {
+        osl_setThreadName(name);
+    }
+
+    virtual bool SAL_CALL schedule()
+    {
+        return m_hThread && osl_scheduleThread(m_hThread);
+    }
+
+    SAL_CALL operator oslThread() const
+    {
+        return m_hThread;
+    }
+
+protected:
+
+    /** The thread functions calls the protected functions
+        run and onTerminated.
+    */
+    friend void SAL_CALL threadFunc( void* param);
+
+    virtual void SAL_CALL run() = 0;
+
+    virtual void SAL_CALL onTerminated()
+    {
+    }
+
+private:
+    oslThread m_hThread;
+};
+
+extern "C" inline void SAL_CALL threadFunc( void* param)
+{
+        Thread* pObj= static_cast<Thread*>(param);
+        pObj->run();
+        pObj->onTerminated();
+}
+
+class ThreadData
+{
+    ThreadData( const ThreadData& ) SAL_DELETED_FUNCTION;
+    ThreadData& operator= (const ThreadData& ) SAL_DELETED_FUNCTION;
+public:
+     /// Create a thread specific local data key
+    ThreadData( oslThreadKeyCallbackFunction pCallback= NULL )
+    {
+        m_hKey = osl_createThreadKey( pCallback );
+    }
+
+    /// Destroy a thread specific local data key
+    ~ThreadData()
+    {
+           osl_destroyThreadKey(m_hKey);
+    }
+
+    /** Set the data associated with the data key.
+        @returns True if operation was successful
+    */
+    bool SAL_CALL setData(void *pData)
+    {
+           return osl_setThreadKeyData(m_hKey, pData);
+    }
+
+    /** Get the data associated with the data key.
+        @returns The data associated with the data key or
+        NULL if no data was set
+    */
+    void* SAL_CALL getData()
+    {
+           return osl_getThreadKeyData(m_hKey);
+    }
+
+    operator oslThreadKey() const
+    {
+        return m_hKey;
+    }
+
+private:
+    oslThreadKey m_hKey;
+};
+
+} // end namespace osl
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */