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/*
* This file is part of the SSH Library
*
* Copyright (c) 2010 by Aris Adamantiadis
*
* The SSH 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.
*
* The SSH 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.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the SSH Library; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*/
#include "config.h"
#ifdef HAVE_PTHREAD
#include <errno.h>
#include <pthread.h>
/** @brief Defines the needed callbacks for pthread. Use this if your
* OS supports libpthread and want to use it for threading.
* @code
* #include <libssh/callbacks.h>
* #include <errno.h>
* #include <pthread.h>
* SSH_THREADS_PTHREAD(ssh_pthread_callbacks);
* int main(){
* ssh_init_set_threads_callbacks(&ssh_pthread_callbacks);
* ssh_init();
* ...
* }
* @endcode
* @param name name of the structure to be declared, containing the
* callbacks for threading
*
*/
#define SSH_THREADS_PTHREAD(name) \
static int ssh_pthread_mutex_init (void **priv){ \
int err = 0; \
*priv = malloc (sizeof (pthread_mutex_t)); \
if (*priv==NULL) \
return ENOMEM; \
err = pthread_mutex_init (*priv, NULL); \
if (err != 0){ \
free (*priv); \
*priv=NULL; \
} \
return err; \
} \
static int ssh_pthread_mutex_destroy (void **lock) { \
int err = pthread_mutex_destroy (*lock); \
free (*lock); \
*lock=NULL; \
return err; \
} \
static int ssh_pthread_mutex_lock (void **lock) { \
return pthread_mutex_lock (*lock); \
} \
static int ssh_pthread_mutex_unlock (void **lock){ \
return pthread_mutex_unlock (*lock); \
} \
static unsigned long ssh_pthread_thread_id (void){ \
return (unsigned long) pthread_self(); \
} \
static struct ssh_threads_callbacks_struct name= \
{ \
.mutex_init=ssh_pthread_mutex_init, \
.mutex_destroy=ssh_pthread_mutex_destroy, \
.mutex_lock=ssh_pthread_mutex_lock, \
.mutex_unlock=ssh_pthread_mutex_unlock, \
.thread_id=ssh_pthread_thread_id \
}
SSH_THREADS_PTHREAD(ssh_pthread_user_callbacks);
#endif /* HAVE_PTHREAD */
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