Moved pthread specific code in src/threads/pthread.c

pthread example doesn't compile du to the lack of
libssh_threads_native.so library

2 files changed, 84 insertions, 21 deletions

diff --git a/src/threads.c b/src/threads.c
index 7cac6db..51a4ccf 100644
--- a/src/threads.c
+++ b/src/threads.c
@@ -30,22 +30,6 @@
 #include "libssh/priv.h"
 #include "libssh/threads.h"
 
-#ifndef _WIN32
-
-#ifndef HAVE_PTHREAD
-#warning "You do not have any threading library installed. If the linked"
-#warning "application doesn't provide the threading callbacks, you're screwed"
-#endif
-
-
-#ifdef HAVE_PTHREAD
-
-#include <errno.h>
-#include <pthread.h>
-SSH_THREADS_PTHREAD(ssh_pthread_user_callbacks);
-#endif /* HAVE_PTHREAD */
-#endif /* _WIN32 */
-
 static struct ssh_threads_callbacks_struct *user_callbacks;
 
 #ifdef HAVE_LIBGCRYPT
@@ -123,13 +107,8 @@ int ssh_threads_init(void){
 	 * already the case
 	 */
 	if(user_callbacks == NULL){
-#ifdef HAVE_PTHREAD
-		user_callbacks=&ssh_pthread_user_callbacks;
-	}
-#else
 		return SSH_ERROR; // Can't do anything to initialize threading
 	}
-#endif
 
 	/* Then initialize the crypto libraries threading callbacks */
 #ifdef HAVE_LIBGCRYPT
diff --git a/src/threads/pthread.c b/src/threads/pthread.c
new file mode 100644
index 0000000..2f62ad3
--- /dev/null
+++ b/src/threads/pthread.c
@@ -0,0 +1,84 @@
+/*
+ * 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 */