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46 lines
1.8 KiB
C
Vendored
46 lines
1.8 KiB
C
Vendored
/*
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Copyright (c) 2011-2016 mingw-w64 project
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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*/
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#ifndef WIN_PTHREADS_RWLOCK_H
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#define WIN_PTHREADS_RWLOCK_H
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#define LIFE_RWLOCK 0xBAB1F0ED
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#define DEAD_RWLOCK 0xDEADB0EF
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#define STATIC_RWL_INITIALIZER(x) ((pthread_rwlock_t)(x) == ((pthread_rwlock_t)PTHREAD_RWLOCK_INITIALIZER))
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typedef struct rwlock_t rwlock_t;
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struct rwlock_t {
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unsigned int valid;
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int busy;
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LONG nex_count; /* Exclusive access counter. */
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LONG nsh_count; /* Shared access counter. */
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LONG ncomplete; /* Shared completed counter. */
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pthread_mutex_t mex; /* Exclusive access protection. */
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pthread_mutex_t mcomplete; /* Shared completed protection. */
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pthread_cond_t ccomplete; /* Shared access completed queue. */
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};
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#define RWL_SET 0x01
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#define RWL_TRY 0x02
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#endif
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