qmp_put.cpp

00001 //////////////////////////////////////////////////////////////////////////////
00002 // Product: QF/C++
00003 // Last Updated for Version: 4.0.00
00004 // Date of the Last Update:  Apr 07, 2008
00005 //
00006 //                    Q u a n t u m     L e a P s
00007 //                    ---------------------------
00008 //                    innovating embedded systems
00009 //
00010 // Copyright (C) 2002-2008 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
00027 //////////////////////////////////////////////////////////////////////////////
00028 #include "qf_pkg.h"
00029 #include "qassert.h"
00030 
00031 Q_DEFINE_THIS_MODULE(qmp_put)
00032 
00033 /// \file
00034 /// \ingroup qf
00035 /// \brief QMPool::put() implementation.
00036 
00037 //............................................................................
00038 void QMPool::put(void *b) {
00039     //lint -e946 -e1904             ignore MISRA Rule 103 in this precondition
00040     Q_REQUIRE((m_start <= b) && (b <= m_end)           /*  must be in range */
00041               && (m_nFree <= m_nTot));        // # free blocks must be < total
00042 
00043     QF_INT_LOCK_KEY_
00044     QF_INT_LOCK_();
00045 
00046     ((QFreeBlock *)b)->m_next = (QFreeBlock *)m_free;//link into the free list
00047     m_free = b;                            // set as new head of the free list
00048     ++m_nFree;                             // one more free block in this pool
00049 
00050     QS_BEGIN_NOLOCK_(QS_QF_MPOOL_PUT, QS::mpObj_, m_start)
00051         QS_TIME_();                                               // timestamp
00052         QS_OBJ_(m_start);                   // the memory managed by this pool
00053         QS_MPC_(m_nFree);             // the number of free blocks in the pool
00054     QS_END_NOLOCK_()
00055 
00056     QF_INT_UNLOCK_();
00057 }
00058     //lint -e946 -e1904             ignore MISRA Rule 103 in this precondition