Andrew Johnson
3c99391d93
In some cases the license-identification header was missing, so I added that as well. Replaced the remaining headers that specifically identified "Versions 3.13.7 and higher". Makefiles and the build system were deliberately excluded.
85 lines
2.6 KiB
C++
85 lines
2.6 KiB
C++
/*************************************************************************\
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* Copyright (c) 2002 The University of Chicago, as Operator of Argonne
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* National Laboratory.
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* Copyright (c) 2002 The Regents of the University of California, as
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* Operator of Los Alamos National Laboratory.
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* SPDX-License-Identifier: EPICS
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* EPICS Base is distributed subject to a Software License Agreement found
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* in file LICENSE that is included with this distribution.
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\*************************************************************************/
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/*
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* Author Jeffrey O. Hill
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* johill@lanl.gov
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* 505 665 1831
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*/
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#include <limits.h>
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#include "epicsGuard.h"
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#include "timerPrivate.h"
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timerQueueActiveMgr::timerQueueActiveMgr ()
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:mutex(__FILE__, __LINE__)
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{
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}
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timerQueueActiveMgr::~timerQueueActiveMgr ()
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{
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epicsGuard < epicsMutex > locker ( this->mutex );
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}
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epicsTimerQueueActiveForC & timerQueueActiveMgr ::
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allocate ( RefThis & refThis, bool okToShare, unsigned threadPriority )
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{
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epicsGuard < epicsMutex > locker ( this->mutex );
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if ( okToShare ) {
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tsDLIter < epicsTimerQueueActiveForC > iter = this->sharedQueueList.firstIter ();
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while ( iter.valid () ) {
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if ( iter->threadPriority () == threadPriority ) {
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assert ( iter->timerQueueActiveMgrPrivate::referenceCount < UINT_MAX );
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iter->timerQueueActiveMgrPrivate::referenceCount++;
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return *iter;
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}
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iter++;
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}
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}
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epicsTimerQueueActiveForC & queue =
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* new epicsTimerQueueActiveForC ( refThis, okToShare, threadPriority );
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queue.timerQueueActiveMgrPrivate::referenceCount = 1u;
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if ( okToShare ) {
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this->sharedQueueList.add ( queue );
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}
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return queue;
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}
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void timerQueueActiveMgr ::
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release ( epicsTimerQueueActiveForC & queue )
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{
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{
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epicsGuard < epicsMutex > locker ( this->mutex );
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assert ( queue.timerQueueActiveMgrPrivate::referenceCount > 0u );
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queue.timerQueueActiveMgrPrivate::referenceCount--;
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if ( queue.timerQueueActiveMgrPrivate::referenceCount > 0u ) {
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return;
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}
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else if ( queue.sharingOK () ) {
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this->sharedQueueList.remove ( queue );
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}
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}
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// delete only after we release the guard in case the embedded
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// reference is the last one and this object is destroyed
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// as a side effect
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timerQueueActiveMgrPrivate * pPriv = & queue;
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delete pPriv;
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}
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timerQueueActiveMgrPrivate::timerQueueActiveMgrPrivate () :
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referenceCount ( 0u )
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{
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}
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timerQueueActiveMgrPrivate::~timerQueueActiveMgrPrivate ()
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{
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}
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