/* -*- 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 . */ #ifndef INCLUDED_OSL_THREAD_H #define INCLUDED_OSL_THREAD_H #include "sal/config.h" #include "osl/time.h" #include "rtl/textenc.h" #include "sal/saldllapi.h" #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 void* oslThreadKey; /** Create the thread, using the function-ptr pWorker as its main (worker) function. This function receives in its void* parameter the value supplied by pThreadData. Once the OS-structures are initialized,the thread starts running. @param pWorker Thread worker function @param pThreadData Thread local data @return 0 if creation failed, otherwise a handle to the thread */ SAL_DLLPUBLIC oslThread SAL_CALL osl_createThread(oslWorkerFunction pWorker, void* pThreadData); /** Create the thread, using the function-ptr pWorker as its main (worker) function. This function 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(). @param pWorker Thread worker function @param pThreadData Thread local data @return 0 if creation failed, otherwise a handle to the thread */ SAL_DLLPUBLIC 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. @param Thread Handle to thread for the thread ID @return identifier of the thread */ SAL_DLLPUBLIC 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. @param Thread Handle to thread to release */ SAL_DLLPUBLIC void SAL_CALL osl_destroyThread(oslThread Thread); /** Wake-up a thread that was suspended with suspend() or createSuspended(). The oslThread must be valid! @param Thread Handle to thread to resume */ SAL_DLLPUBLIC 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! @param Thread Handle to thread to suspend */ SAL_DLLPUBLIC void SAL_CALL osl_suspendThread(oslThread Thread); /** Changes the threads priority. The oslThread must be valid! @param Thread Handle to thread to which to change priority @param Priority Thread priority */ SAL_DLLPUBLIC 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.) @param Thread Handle to thread for which the priority is retrieved */ SAL_DLLPUBLIC 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. @param Thread Handle to thread */ SAL_DLLPUBLIC sal_Bool SAL_CALL osl_isThreadRunning(const oslThread Thread); /** Blocks the calling thread until Thread has terminated. Returns immediately if Thread is NULL. @param Thread Handle to thread to join */ SAL_DLLPUBLIC void SAL_CALL osl_joinWithThread(oslThread Thread); /** Suspends the execution of the calling thread for at least the given time. @param pDelay Timeout value to wait */ SAL_DLLPUBLIC void SAL_CALL osl_waitThread(const TimeValue* pDelay); /** The requested thread will get terminate the next time scheduleThread() is called. @param Thread Handle to thread to terminate */ SAL_DLLPUBLIC void SAL_CALL osl_terminateThread(oslThread Thread); /** Schedules in thread to wait till after time slice of specified thread. 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. @param Thread Handle to thread to schedule in after */ SAL_DLLPUBLIC 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(). */ SAL_DLLPUBLIC void SAL_CALL osl_yieldThread(void); /** Attempts to set the name of the current thread. The name of a thread is usually evaluated for debugging purposes. Not all platforms support this. On Linux, a set thread name can be observed with "ps -L". On Windows with the Microsoft compiler, a thread name set while a debugger is attached can be observed within the debugger. @param name the name of the thread; must not be null; on Linux, only the first 16 characters are used @param name Thread name */ SAL_DLLPUBLIC void SAL_CALL osl_setThreadName(char const * name); /* 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. */ SAL_DLLPUBLIC oslThreadKey SAL_CALL osl_createThreadKey(oslThreadKeyCallbackFunction pCallback); /** Destroy a key to an associated thread local storage pointer. */ SAL_DLLPUBLIC void SAL_CALL osl_destroyThreadKey(oslThreadKey Key); /** Get to key associated thread specific data. */ SAL_DLLPUBLIC void* SAL_CALL osl_getThreadKeyData(oslThreadKey Key); /** Set to key associated thread specific data. */ SAL_DLLPUBLIC sal_Bool SAL_CALL osl_setThreadKeyData(oslThreadKey Key, void *pData); /** Get the current thread local text encoding. */ SAL_DLLPUBLIC rtl_TextEncoding SAL_CALL osl_getThreadTextEncoding(void); /** Set the thread local text encoding. @return the old text encoding. */ SAL_DLLPUBLIC rtl_TextEncoding SAL_CALL osl_setThreadTextEncoding(rtl_TextEncoding Encoding); #ifdef __cplusplus } #endif #endif // INCLUDED_OSL_THREAD_H /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ /nisz/libreoffice-6-4'>distro/nisz/libreoffice-6-4 LibreOffice 核心代码仓库文档基金会
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authorNoel Grandin <noel.grandin@collabora.co.uk>2021-10-06 15:53:21 +0200
committerNoel Grandin <noel.grandin@collabora.co.uk>2021-10-06 19:37:44 +0200
commite0117eff7f16277e7d6df18be60a6d6138b8611c (patch)
tree3742f70690118a9e977c3f3483bdb7cdf83216a4 /slideshow/source/engine/activities/continuouskeytimeactivitybase.cxx
parentf25d0deaa71f7e48f2f0255150ae62fe76ce6835 (diff)
loplugin:moveparam in basegfx