Library for interfacing with IIO devices. Licensed under the LGPLv2+
Dependencies: libserialport libxml2
lock.c
- Committer:
- pcercuei
- Date:
- 2017-06-26
- Revision:
- 4:ad69b39bf124
- Parent:
- 0:df031b60ca29
File content as of revision 4:ad69b39bf124:
/* * libiio - Library for interfacing industrial I/O (IIO) devices * * Copyright (C) 2015 Analog Devices, Inc. * Author: Paul Cercueil <paul.cercueil@analog.com> * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * */ #include "iio-config.h" #ifdef _WIN32 #include <windows.h> #elif !defined(NO_THREADS) #include <pthread.h> #endif #include <stdlib.h> struct iio_mutex { #ifdef NO_THREADS int foo; /* avoid complaints about empty structure */ #else #ifdef _WIN32 CRITICAL_SECTION lock; #else pthread_mutex_t lock; #endif #endif }; struct iio_mutex * iio_mutex_create(void) { struct iio_mutex *lock = malloc(sizeof(*lock)); if (!lock) return NULL; #ifndef NO_THREADS #ifdef _WIN32 InitializeCriticalSection(&lock->lock); #else pthread_mutex_init(&lock->lock, NULL); #endif #endif return lock; } void iio_mutex_destroy(struct iio_mutex *lock) { #ifndef NO_THREADS #ifdef _WIN32 DeleteCriticalSection(&lock->lock); #else pthread_mutex_destroy(&lock->lock); #endif #endif free(lock); } void iio_mutex_lock(struct iio_mutex *lock) { #ifndef NO_THREADS #ifdef _WIN32 EnterCriticalSection(&lock->lock); #else pthread_mutex_lock(&lock->lock); #endif #endif } void iio_mutex_unlock(struct iio_mutex *lock) { #ifndef NO_THREADS #ifdef _WIN32 LeaveCriticalSection(&lock->lock); #else pthread_mutex_unlock(&lock->lock); #endif #endif }