QP/C: qf_pool.c Source File

Go to the documentation of this file.
00001 /*****************************************************************************
00002 * Product: QF/C
00003 * Last Updated for Version: 4.4.00
00004 * Date of the Last Update:  Jan 05, 2012
00005 *
00006 *                    Q u a n t u m     L e a P s
00007 *                    ---------------------------
00008 *                    innovating embedded systems
00009 *
00010 * Copyright (C) 2002-2012 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("qf_pool")
00032 
00033 
00039 /* Package-scope objects ---------------------------------------------------*/
00040 QF_EPOOL_TYPE_ QF_pool_[QF_MAX_EPOOL];          /* allocate the event pools */
00041 uint8_t QF_maxPool_;                   /* number of initialized event pools */
00042 
00043 /*..........................................................................*/
00044 void QF_poolInit(void *poolSto, uint32_t poolSize, QEventSize evtSize) {
00045                       /* cannot exceed the number of available memory pools */
00046     Q_REQUIRE(QF_maxPool_ < (uint8_t)Q_DIM(QF_pool_));
00047             /* please initialize event pools in ascending order of evtSize: */
00048     Q_REQUIRE((QF_maxPool_ == (uint8_t)0)
00049              || (QF_EPOOL_EVENT_SIZE_(QF_pool_[QF_maxPool_ - (uint8_t)1])
00050                  < evtSize));
00051                 /* perfom the platform-dependent initialization of the pool */
00052     QF_EPOOL_INIT_(QF_pool_[QF_maxPool_], poolSto, poolSize, evtSize);
00053     ++QF_maxPool_;                                         /* one more pool */
00054 }