| 1 | /* Copyright (c) 2007-2009, Stanford University |
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| 2 | * All rights reserved. |
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| 3 | * |
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| 4 | * Redistribution and use in source and binary forms, with or without |
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| 5 | * modification, are permitted provided that the following conditions are met: |
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| 6 | * * Redistributions of source code must retain the above copyright |
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| 7 | * notice, this list of conditions and the following disclaimer. |
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| 8 | * * Redistributions in binary form must reproduce the above copyright |
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| 9 | * notice, this list of conditions and the following disclaimer in the |
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| 10 | * documentation and/or other materials provided with the distribution. |
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| 11 | * * Neither the name of Stanford University nor the names of its |
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| 12 | * contributors may be used to endorse or promote products derived from |
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| 13 | * this software without specific prior written permission. |
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| 14 | * |
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| 15 | * THIS SOFTWARE IS PROVIDED BY STANFORD UNIVERSITY ``AS IS'' AND ANY |
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| 16 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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| 17 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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| 18 | * DISCLAIMED. IN NO EVENT SHALL STANFORD UNIVERSITY BE LIABLE FOR ANY |
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| 19 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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| 20 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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| 21 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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| 22 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 23 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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| 24 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 25 | */ |
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| 26 | |
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| 27 | #ifndef SYNCH_H_ |
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| 28 | #define SYNCH_H_ |
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| 29 | |
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| 30 | //#define MR_LOCK_MCS |
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| 31 | #define MR_LOCK_PTMUTEX |
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| 32 | |
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| 33 | typedef void* mr_lock_t; |
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| 34 | |
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| 35 | typedef struct mr_lock_ops { |
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| 36 | mr_lock_t (*alloc)(void); |
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| 37 | void (*acquire)(mr_lock_t l); |
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| 38 | void (*release)(mr_lock_t l); |
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| 39 | mr_lock_t (*alloc_per_thread)(mr_lock_t l); |
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| 40 | void (*free)(mr_lock_t l); |
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| 41 | void (*free_per_thread)(mr_lock_t l); |
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| 42 | } mr_lock_ops; |
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| 43 | |
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| 44 | void lock_free(mr_lock_t l); |
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| 45 | void lock_acquire(mr_lock_t l); |
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| 46 | void lock_release(mr_lock_t l); |
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| 47 | mr_lock_t lock_alloc(void); |
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| 48 | mr_lock_t lock_alloc_per_thread(mr_lock_t parent); |
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| 49 | void lock_free_per_thread(mr_lock_t mr); |
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| 50 | |
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| 51 | #endif /* SYNCH_H_ */ |
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