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, 96 insertions, 0 deletions

diff --git a/include/salhelper/thread.hxx b/include/salhelper/thread.hxx
new file mode 100644
index 000000000..daea7f352
--- /dev/null
+++ b/include/salhelper/thread.hxx
@@ -0,0 +1,96 @@
+/* -*- 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 is part of LibreOffice published API.
+ */
+
+#ifndef INCLUDED_SALHELPER_THREAD_HXX
+#define INCLUDED_SALHELPER_THREAD_HXX
+
+#include "sal/config.h"
+
+#include <cstddef>
+
+#include "osl/thread.hxx"
+#include "sal/types.h"
+#include "salhelper/salhelperdllapi.h"
+#include "salhelper/simplereferenceobject.hxx"
+
+namespace salhelper
+{
+/**
+   A safe encapsulation of ::osl::Thread.
+
+   @since LibreOffice 3.6
+*/
+class SALHELPER_DLLPUBLIC Thread : public salhelper::SimpleReferenceObject, private osl::Thread
+{
+public:
+    /**
+       @param name the thread name, see ::osl_setThreadName; must be a non-null
+       null terminated string
+     */
+    Thread(char const* name);
+
+    /**
+       Launch the thread.
+
+       This function must be called at most once.
+
+       Each call of this function should eventually be followed by a call to
+       ::osl::Thread::join before exit(3), to ensure the thread is no longer
+       relying on any infrastructure while that infrastructure is being shut
+       down in atexit handlers.
+    */
+    void launch();
+
+    using osl::Thread::getIdentifier;
+    using osl::Thread::join;
+    using osl::Thread::schedule;
+    using osl::Thread::terminate;
+
+    // While the below static member functions should arguably always be called
+    // with qualified (osl::Thread) names, compilers would still complain that
+    // they are inaccessible from within derivations of salhelper::Thread (an
+    // alternative would be to force such derivations to use global names,
+    // prefixed with ::osl::Thread):
+    using osl::Thread::getCurrentIdentifier;
+    using osl::Thread::wait;
+    using osl::Thread::yield;
+
+    static void* operator new(std::size_t size)
+    {
+        return SimpleReferenceObject::operator new(size);
+    }
+
+    static void operator delete(void* pointer) { SimpleReferenceObject::operator delete(pointer); }
+
+protected:
+    virtual ~Thread() SAL_OVERRIDE;
+
+    /**
+       The main function executed by the thread.
+
+       Any uncaught exceptions lead to std::terminate.
+    */
+    virtual void execute() = 0;
+
+private:
+    virtual void SAL_CALL run() SAL_OVERRIDE;
+
+    virtual void SAL_CALL onTerminated() SAL_OVERRIDE;
+
+    char const* name_;
+};
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */