91 lines
1.8 KiB
C
91 lines
1.8 KiB
C
/*
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* libiio - Library for interfacing industrial I/O (IIO) devices
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*
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* Copyright (C) 2015 Analog Devices, Inc.
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* Author: Paul Cercueil <paul.cercueil@analog.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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*/
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#include "iio-config.h"
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#ifdef _WIN32
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#include <windows.h>
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#elif !defined(NO_THREADS)
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#include <pthread.h>
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#endif
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#include <stdlib.h>
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struct iio_mutex {
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#ifdef NO_THREADS
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int foo; /* avoid complaints about empty structure */
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#else
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#ifdef _WIN32
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CRITICAL_SECTION lock;
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#else
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pthread_mutex_t lock;
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#endif
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#endif
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};
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struct iio_mutex * iio_mutex_create(void)
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{
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struct iio_mutex *lock = malloc(sizeof(*lock));
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if (!lock)
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return NULL;
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#ifndef NO_THREADS
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#ifdef _WIN32
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InitializeCriticalSection(&lock->lock);
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#else
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pthread_mutex_init(&lock->lock, NULL);
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#endif
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#endif
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return lock;
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}
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void iio_mutex_destroy(struct iio_mutex *lock)
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{
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#ifndef NO_THREADS
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#ifdef _WIN32
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DeleteCriticalSection(&lock->lock);
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#else
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pthread_mutex_destroy(&lock->lock);
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#endif
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#endif
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free(lock);
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}
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void iio_mutex_lock(struct iio_mutex *lock)
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{
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#ifndef NO_THREADS
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#ifdef _WIN32
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EnterCriticalSection(&lock->lock);
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#else
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pthread_mutex_lock(&lock->lock);
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#endif
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#endif
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}
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void iio_mutex_unlock(struct iio_mutex *lock)
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{
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#ifndef NO_THREADS
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#ifdef _WIN32
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LeaveCriticalSection(&lock->lock);
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#else
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pthread_mutex_unlock(&lock->lock);
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#endif
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#endif
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}
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