qa_usuba.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(qa_usuba)
00032 
00033 /// \file
00034 /// \ingroup qf
00035 /// \brief QActive::unsubscribeAll() implementation.
00036 
00037 //............................................................................
00038 void QActive::unsubscribeAll(void) const {
00039     uint8_t p = m_prio;
00040     Q_REQUIRE(((uint8_t)0 < p) && (p <= (uint8_t)QF_MAX_ACTIVE)
00041               && (QF::active_[p] == this));
00042 
00043     uint8_t i = Q_ROM_BYTE(QF_div8Lkup[p]);
00044 
00045     QSignal sig;
00046     for (sig = (QSignal)Q_USER_SIG; sig < QF_maxSignal_; ++sig) {
00047         QF_INT_LOCK_KEY_
00048         QF_INT_LOCK_();
00049         if ((QF_subscrList_[sig].m_bits[i] & Q_ROM_BYTE(QF_pwr2Lkup[p]))
00050              != 0)
00051         {
00052 
00053             QS_BEGIN_NOLOCK_(QS_QF_ACTIVE_UNSUBSCRIBE, QS::aoObj_, this)
00054                 QS_TIME_();                                       // timestamp
00055                 QS_SIG_(sig);                      // the signal of this event
00056                 QS_OBJ_(this);                           // this active object
00057             QS_END_NOLOCK_()
00058                                                      // clear the priority bit
00059             QF_subscrList_[sig].m_bits[i] &= Q_ROM_BYTE(QF_invPwr2Lkup[p]);
00060         }
00061         QF_INT_UNLOCK_();
00062     }
00063 }