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QP/C++
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00001 00002 // Product: QF/C++ 00003 // Last Updated for Version: 4.3.00 00004 // Date of the Last Update: Nov 01, 2011 00005 // 00006 // Q u a n t u m L e a P s 00007 // --------------------------- 00008 // innovating embedded systems 00009 // 00010 // Copyright (C) 2002-2011 Quantum Leaps, LLC. All rights reserved. 00011 // 00012 // This software may be distributed and modified under the terms of the GNU 00013 // General Public License version 2 (GPL) as published by the Free Software 00014 // Foundation and appearing in the file GPL.TXT included in the packaging of 00015 // this file. Please note that GPL Section 2[b] requires that all works based 00016 // on this software must also be made publicly available under the terms of 00017 // the GPL ("Copyleft"). 00018 // 00019 // Alternatively, this software may be distributed and modified under the 00020 // terms of Quantum Leaps commercial licenses, which expressly supersede 00021 // the GPL and are specifically designed for licensees interested in 00022 // retaining the proprietary status of their code. 00023 // 00024 // Contact information: 00025 // Quantum Leaps Web site: http://www.quantum-leaps.com 00026 // e-mail: info@quantum-leaps.com 00028 #include "qf_pkg.h" 00029 #include "qassert.h" 00030 00034 00035 #ifdef Q_USE_NAMESPACE 00036 namespace QP { 00037 #endif 00038 00039 Q_DEFINE_THIS_MODULE(qf_gc) 00040 00041 //............................................................................ 00042 void QF::gc(QEvent const *e) { 00043 if (EVT_POOL_ID(e) != (uint8_t)0) { // is it a dynamic event? 00044 QF_CRIT_STAT_ 00045 QF_CRIT_ENTRY_(); 00046 00047 if (EVT_REF_CTR(e) > (uint8_t)1) { // isn't this the last reference? 00048 EVT_DEC_REF_CTR(e); // decrement the ref counter 00049 00050 QS_BEGIN_NOCRIT_(QS_QF_GC_ATTEMPT, (void *)0, (void *)0) 00051 QS_TIME_(); // timestamp 00052 QS_SIG_(e->sig); // the signal of the event 00053 QS_U8_(EVT_POOL_ID(e)); // the pool Id of the event 00054 QS_U8_(EVT_REF_CTR(e)); // the ref count of the event 00055 QS_END_NOCRIT_() 00056 00057 QF_CRIT_EXIT_(); 00058 } 00059 else { // this is the last reference to this event, recycle it 00060 uint8_t idx = (uint8_t)(EVT_POOL_ID(e) - 1); 00061 00062 QS_BEGIN_NOCRIT_(QS_QF_GC, (void *)0, (void *)0) 00063 QS_TIME_(); // timestamp 00064 QS_SIG_(e->sig); // the signal of the event 00065 QS_U8_(EVT_POOL_ID(e)); // the pool Id of the event 00066 QS_U8_(EVT_REF_CTR(e)); // the ref count of the event 00067 QS_END_NOCRIT_() 00068 00069 QF_CRIT_EXIT_(); 00070 00071 Q_ASSERT(idx < QF_maxPool_); 00072 00073 #ifdef Q_EVT_CTOR 00074 //lint -e1773 Attempt to cast away const 00075 ((QEvent *)e)->~QEvent(); // call the xtor, cast 'const' away, 00076 // which is legitimate, because it's a pool event 00077 #endif 00078 //lint -e1773 Attempt to cast away const 00079 QF_EPOOL_PUT_(QF_pool_[idx], (QEvent *)e); // cast 'const' away, 00080 // which is legitimate, because it's a pool event 00081 } 00082 } 00083 } 00084 00085 #ifdef Q_USE_NAMESPACE 00086 } // namespace QP 00087 #endif 00088
1.7.5.1