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Diffstat (limited to 'libssh/threads.c')
-rw-r--r-- | libssh/threads.c | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/libssh/threads.c b/libssh/threads.c new file mode 100644 index 00000000..24826e1d --- /dev/null +++ b/libssh/threads.c @@ -0,0 +1,104 @@ +/* + * 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. + */ + +/** + * @defgroup libssh_threads Threading with libssh + * @ingroup libssh + * + * Threading with libssh + * @{ + */ + +#include "libssh/priv.h" +#include "libssh/threads.h" + + +#ifdef HAVE_LIBGCRYPT +#include <errno.h> +#include <pthread.h> + +static int gcry_pthread_mutex_init (void **priv){ + int err = 0; + pthread_mutex_t *lock = malloc (sizeof (pthread_mutex_t)); + + if (!lock) + err = ENOMEM; + if (!err) + { + err = pthread_mutex_init (lock, NULL); + if (err) + free (lock); + else + *priv = lock; + } + return err; +} + +static int gcry_pthread_mutex_destroy (void **lock) { + int err = pthread_mutex_destroy ((pthread_mutex_t*)*lock); + free (*lock); + return err; +} +static int gcry_pthread_mutex_lock (void **lock) { + return pthread_mutex_lock ((pthread_mutex_t*)*lock); +} +static int gcry_pthread_mutex_unlock (void **lock){ + return pthread_mutex_unlock ((pthread_mutex_t*)*lock); +} + + +static struct gcry_thread_cbs gcrypt_threads= +{ + .option=GCRY_THREAD_OPTION_VERSION << 8 || GCRY_THREAD_OPTION_PTHREAD, + .mutex_init=gcry_pthread_mutex_init, + .mutex_destroy=gcry_pthread_mutex_destroy, + .mutex_lock=gcry_pthread_mutex_lock, + .mutex_unlock=gcry_pthread_mutex_unlock +}; + +#endif + +static struct ssh_threads_callbacks_struct *user_callbacks; +/** @internal + * @brief inits the threading with the backend cryptographic libraries + */ + +int ssh_threads_init(void){ +#ifdef HAVE_LIBGCRYPT + gcry_control(GCRYCTL_SET_THREAD_CBS, &gcrypt_threads); +#else + + +#endif + return 0; +} + +int ssh_init_set_threads_callbacks(struct ssh_threads_callbacks_struct *cb){ + user_callbacks=cb; + return SSH_OK; +} + +int ssh_init_set_threads_pthreads(void){ + return SSH_OK; +} +/** + * @} + */ |