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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org. If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef _OSL_THREAD_H_
+#define _OSL_THREAD_H_
+
+#include <osl/time.h>
+
+#ifndef _RTL_TEXTENC_H_
+# include <rtl/textenc.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ Opaque data type for threads. As with all other osl-handles
+ you can initialize and/or test it to/for 0.
+*/
+typedef void* oslThread;
+
+/** the function-ptr. representing the threads worker-function.
+*/
+typedef void (SAL_CALL *oslWorkerFunction)(void*);
+
+/** levels of thread-priority
+ Note that oslThreadPriorityUnknown might be returned
+ by getPriorityOfThread() (e.g. when it is terminated),
+ but mustn't be used with setPriority()!
+*/
+typedef enum
+{
+ osl_Thread_PriorityHighest,
+ osl_Thread_PriorityAboveNormal,
+ osl_Thread_PriorityNormal,
+ osl_Thread_PriorityBelowNormal,
+ osl_Thread_PriorityLowest,
+ osl_Thread_PriorityUnknown, /* don't use to set */
+ osl_Thread_Priority_FORCE_EQUAL_SIZE = SAL_MAX_ENUM
+} oslThreadPriority;
+
+
+typedef sal_uInt32 oslThreadIdentifier;
+
+typedef sal_uInt32 oslThreadKey;
+
+/** Create the thread, using the function-ptr pWorker as
+ its main (worker) function. This functions receives in
+ its void* parameter the value supplied by pThreadData.
+ Once the OS-structures are initialized,the thread starts
+ running.
+ @return 0 if creation failed, otherwise a handle to the thread
+*/
+oslThread SAL_CALL osl_createThread(oslWorkerFunction pWorker, void* pThreadData);
+
+/** Create the thread, using the function-ptr pWorker as
+ its main (worker) function. This functions receives in
+ its void* parameter the value supplied by pThreadData.
+ The thread will be created, but it won't start running.
+ To wake-up the thread, use resume().
+ @return 0 if creation failed, otherwise a handle to the thread
+*/
+oslThread SAL_CALL osl_createSuspendedThread(oslWorkerFunction pWorker, void* pThreadData);
+
+/** Get the identifier for the specified thread or if parameter
+ Thread is NULL of the current active thread.
+ @return identifier of the thread
+*/
+oslThreadIdentifier SAL_CALL osl_getThreadIdentifier(oslThread Thread);
+
+/** Release the thread handle.
+ If Thread is NULL, the function won't do anything.
+ Note that we do not interfere with the actual running of
+ the thread, we just free up the memory needed by the handle.
+*/
+void SAL_CALL osl_destroyThread(oslThread Thread);
+
+/** Wake-up a thread that was suspended with suspend() or
+ createSuspended(). The oslThread must be valid!
+*/
+void SAL_CALL osl_resumeThread(oslThread Thread);
+
+/** Suspend the execution of the thread. If you want the thread
+ to continue, call resume(). The oslThread must be valid!
+*/
+void SAL_CALL osl_suspendThread(oslThread Thread);
+
+/** Changes the threads priority.
+ The oslThread must be valid!
+*/
+void SAL_CALL osl_setThreadPriority(oslThread Thread, oslThreadPriority Priority);
+
+/** Retrieves the threads priority.
+ Returns oslThreadPriorityUnknown for invalid Thread-argument or
+ terminated thread. (I.e.: The oslThread might be invalid.)
+*/
+oslThreadPriority SAL_CALL osl_getThreadPriority(const oslThread Thread);
+
+/** Returns True if the thread was created and has not terminated yet.
+ Note that according to this definition a "running" thread might be
+ suspended! Also returns False is Thread is NULL.
+*/
+sal_Bool SAL_CALL osl_isThreadRunning(const oslThread Thread);
+
+/** Blocks the calling thread until Thread has terminated.
+ Returns immediately if Thread is NULL.
+*/
+void SAL_CALL osl_joinWithThread(oslThread Thread);
+
+/** Blocks the calling thread at least for the given number
+ of time.
+*/
+void SAL_CALL osl_waitThread(const TimeValue* pDelay);
+
+/** The requested thread will get terminate the next time
+ scheduleThread() is called.
+*/
+void SAL_CALL osl_terminateThread(oslThread Thread);
+
+/** Offers the rest of the threads time-slice to the OS.
+ scheduleThread() should be called in the working loop
+ of the thread, so any other thread could also get the
+ processor. Returns False if the thread should terminate, so
+ the thread could free any allocated resources.
+*/
+sal_Bool SAL_CALL osl_scheduleThread(oslThread Thread);
+
+/** Offers the rest of the threads time-slice to the OS.
+ Under POSIX you _need_ to yield(), otherwise, since the
+ threads are not preempted during execution, NO other thread
+ (even with higher priority) gets the processor. Control is
+ only given to another thread if the current thread blocks
+ or uses yield().
+*/
+void SAL_CALL osl_yieldThread(void);
+
+/* Callback when data stored in a thread key is no longer needed */
+
+typedef void (SAL_CALL *oslThreadKeyCallbackFunction)(void *);
+
+/** Create a key to an associated thread local storage pointer. */
+oslThreadKey SAL_CALL osl_createThreadKey(oslThreadKeyCallbackFunction pCallback);
+
+/** Destroy a key to an associated thread local storage pointer. */
+void SAL_CALL osl_destroyThreadKey(oslThreadKey Key);
+
+/** Get to key associated thread specific data. */
+void* SAL_CALL osl_getThreadKeyData(oslThreadKey Key);
+
+/** Set to key associated thread specific data. */
+sal_Bool SAL_CALL osl_setThreadKeyData(oslThreadKey Key, void *pData);
+
+/** Get the current thread local text encoding. */
+rtl_TextEncoding SAL_CALL osl_getThreadTextEncoding(void);
+
+/** Set the thread local text encoding.
+ @return the old text encoding.
+*/
+rtl_TextEncoding SAL_CALL osl_setThreadTextEncoding(rtl_TextEncoding Encoding);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _OSL_THREAD_H_ */
+