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93 lines
3.0 KiB
C
93 lines
3.0 KiB
C
//============================================================================
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// QP/C Real-Time Event Framework (RTEF)
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//
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// Copyright (C) 2005 Quantum Leaps, LLC. All rights reserved.
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//
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// Q u a n t u m L e a P s
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// ------------------------
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// Modern Embedded Software
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//
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// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-QL-commercial
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//
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// This software is dual-licensed under the terms of the open-source GNU
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// General Public License (GPL) or under the terms of one of the closed-
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// source Quantum Leaps commercial licenses.
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//
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// Redistributions in source code must retain this top-level comment block.
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// Plagiarizing this software to sidestep the license obligations is illegal.
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//
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// NOTE:
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// The GPL does NOT permit the incorporation of this code into proprietary
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// programs. Please contact Quantum Leaps for commercial licensing options,
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// which expressly supersede the GPL and are designed explicitly for
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// closed-source distribution.
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//
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// Quantum Leaps contact information:
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// <www.state-machine.com/licensing>
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// <info@state-machine.com>
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//============================================================================
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#ifndef QMPOOL_H_
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#define QMPOOL_H_
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#ifndef QF_MPOOL_SIZ_SIZE
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#define QF_MPOOL_SIZ_SIZE 2U
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#endif
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#ifndef QF_MPOOL_CTR_SIZE
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#define QF_MPOOL_CTR_SIZE 2U
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#endif
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#define QF_MPOOL_EL(evType_) struct { \
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void * sto_[((sizeof(evType_) - 1U) / sizeof(void *)) + \
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(sizeof(evType_) < (2U * sizeof(void *)) ? 2U : 1U)]; \
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}
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#if (QF_MPOOL_SIZ_SIZE == 1U)
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typedef uint8_t QMPoolSize;
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#elif (QF_MPOOL_SIZ_SIZE == 2U)
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typedef uint16_t QMPoolSize;
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#elif (QF_MPOOL_SIZ_SIZE == 4U)
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typedef uint32_t QMPoolSize;
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#else
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#error QF_MPOOL_SIZ_SIZE defined incorrectly, expected 1U, 2U, or 4U
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#endif
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#if (QF_MPOOL_CTR_SIZE == 1U)
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typedef uint8_t QMPoolCtr;
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#elif (QF_MPOOL_CTR_SIZE == 2U)
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typedef uint16_t QMPoolCtr;
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#elif (QF_MPOOL_CTR_SIZE == 4U)
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typedef uint32_t QMPoolCtr;
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#else
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#error QF_MPOOL_CTR_SIZE defined incorrectly, expected 1U, 2U, or 4U
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#endif
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//============================================================================
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//! @class QMPool
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typedef struct {
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void * * start; //!< @private @memberof QMPool
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void * * end; //!< @private @memberof QMPool
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void * * volatile freeHead; //!< @private @memberof QMPool
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QMPoolSize blockSize; //!< @private @memberof QMPool
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QMPoolCtr nTot; //!< @private @memberof QMPool
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QMPoolCtr volatile nFree; //!< @private @memberof QMPool
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QMPoolCtr nMin; //!< @private @memberof QMPool
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} QMPool;
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//! @public @memberof QMPool
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void QMPool_init(QMPool * const me,
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void * const poolSto,
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uint_fast32_t const poolSize,
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uint_fast16_t const blockSize);
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//! @public @memberof QMPool
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void * QMPool_get(QMPool * const me,
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uint_fast16_t const margin,
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uint_fast8_t const qsId);
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//! @public @memberof QMPool
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void QMPool_put(QMPool * const me,
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void * const block,
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uint_fast8_t const qsId);
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#endif // QMPOOL_H_
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