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84 lines
2.5 KiB
C
84 lines
2.5 KiB
C
/*
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* BSD-3-Clause
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*
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* Copyright 2021 Ozan Tezcan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SC_COND_H
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#define SC_COND_H
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#include <stdbool.h>
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#define SC_COND_VERSION "2.0.0"
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#if defined(_WIN32) || defined(_WIN64)
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#include <windows.h>
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#else
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#include <pthread.h>
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#endif
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struct sc_cond {
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bool init;
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bool done;
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void *data;
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#if defined(_WIN32) || defined(_WIN64)
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CONDITION_VARIABLE cond;
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CRITICAL_SECTION mtx;
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#else
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pthread_cond_t cond;
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pthread_mutex_t mtx;
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#endif
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};
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/**
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* @param c cond
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* @return '0' on success, negative on error, errno will be set.
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*/
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int sc_cond_init(struct sc_cond *c);
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/**
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* @param c cond
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* @return '0' on success, negative on error, errno will be set.
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*/
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int sc_cond_term(struct sc_cond *c);
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/**
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* @param c cond
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* @param data data to pass to thread which will call 'sc_cond_wait'.
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*/
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void sc_cond_signal(struct sc_cond *c, void *data);
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/**
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* @param c cond
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* @return 'user data'.'data' argument on previous sc_cond_signal() call
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*/
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void *sc_cond_wait(struct sc_cond *c);
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#endif
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