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100 lines
2.6 KiB
C
100 lines
2.6 KiB
C
/*
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* This file is part of the SSH Library
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*
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* Copyright (c) 2010 by Aris Adamantiadis
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*
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* The SSH Library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or (at your
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* option) any later version.
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*
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* The SSH Library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with the SSH Library; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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* MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <libssh/callbacks.h>
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#ifdef HAVE_PTHREAD
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#include <errno.h>
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#include <stdlib.h>
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#include <pthread.h>
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/** @brief Defines the needed callbacks for pthread. Use this if your
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* OS supports libpthread and want to use it for threading.
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* @code
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* #include <libssh/callbacks.h>
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* #include <errno.h>
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* #include <pthread.h>
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* SSH_THREADS_PTHREAD(ssh_pthread_callbacks);
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* int main(){
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* ssh_init_set_threads_callbacks(&ssh_pthread_callbacks);
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* ssh_init();
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* ...
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* }
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* @endcode
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* @param name name of the structure to be declared, containing the
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* callbacks for threading
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*
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*/
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static int ssh_pthread_mutex_init (void **priv){
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int err = 0;
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*priv = malloc (sizeof (pthread_mutex_t));
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if (*priv==NULL)
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return ENOMEM;
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err = pthread_mutex_init (*priv, NULL);
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if (err != 0){
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free (*priv);
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*priv=NULL;
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}
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return err;
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}
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static int ssh_pthread_mutex_destroy (void **lock) {
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int err = pthread_mutex_destroy (*lock);
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free (*lock);
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*lock=NULL;
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return err;
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}
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static int ssh_pthread_mutex_lock (void **lock) {
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return pthread_mutex_lock (*lock);
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}
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static int ssh_pthread_mutex_unlock (void **lock){
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return pthread_mutex_unlock (*lock);
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}
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static unsigned long ssh_pthread_thread_id (void){
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#if _WIN32
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return (unsigned long) pthread_self().p;
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#else
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return (unsigned long) pthread_self();
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#endif
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}
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static struct ssh_threads_callbacks_struct ssh_threads_pthread =
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{
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.type="threads_pthread",
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.mutex_init=ssh_pthread_mutex_init,
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.mutex_destroy=ssh_pthread_mutex_destroy,
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.mutex_lock=ssh_pthread_mutex_lock,
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.mutex_unlock=ssh_pthread_mutex_unlock,
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.thread_id=ssh_pthread_thread_id
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};
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struct ssh_threads_callbacks_struct *ssh_threads_get_pthread(void) {
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return &ssh_threads_pthread;
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}
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#endif /* HAVE_PTHREAD */
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