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-rw-r--r--lib/util/smb_threads.c105
1 files changed, 105 insertions, 0 deletions
diff --git a/lib/util/smb_threads.c b/lib/util/smb_threads.c
new file mode 100644
index 0000000000..84dec4d874
--- /dev/null
+++ b/lib/util/smb_threads.c
@@ -0,0 +1,105 @@
+/*
+ Unix SMB/CIFS implementation.
+ SMB client library implementation (thread interface functions).
+ Copyright (C) Jeremy Allison, 2009.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/*
+ * This code is based in the ideas in openssl
+ * but somewhat simpler and expended to include
+ * thread local storage.
+ */
+
+#include "includes.h"
+
+#define NUM_GLOBAL_LOCKS 1
+
+/*********************************************************
+ Functions to vector the locking primitives used internally
+ by libsmbclient.
+*********************************************************/
+
+const struct smb_thread_functions *global_tfp;
+
+/*********************************************************
+ Dynamic lock array.
+*********************************************************/
+
+void **global_lock_array;
+
+/*********************************************************
+ Function to set the locking primitives used by libsmbclient.
+*********************************************************/
+
+int smb_thread_set_functions(const struct smb_thread_functions *tf)
+{
+ int i;
+
+ global_tfp = tf;
+
+ /* Here we initialize any static locks we're using. */
+ global_lock_array = (void **)SMB_MALLOC_ARRAY(void *, NUM_GLOBAL_LOCKS);
+ if (global_lock_array == NULL) {
+ return ENOMEM;
+ }
+
+ for (i = 0; i < NUM_GLOBAL_LOCKS; i++) {
+ char *name = NULL;
+ if (asprintf(&name, "global_lock_%d", i) == -1) {
+ SAFE_FREE(global_lock_array);
+ return ENOMEM;
+ }
+ global_tfp->create_mutex(name,
+ &global_lock_array[i],
+ __location__);
+ SAFE_FREE(name);
+ }
+
+ return 0;
+}
+
+#if 0
+/* Test. - pthread implementations. */
+#include <pthread.h>
+
+#ifdef malloc
+#undef malloc
+#endif
+
+SMB_THREADS_DEF_PTHREAD_IMPLEMENTATION(tf);
+
+/* Test function. */
+int test_threads(void)
+{
+ int ret;
+ void *plock = NULL;
+
+ smb_thread_set_functions(&tf);
+
+ if ((ret = SMB_THREAD_CREATE_MUTEX("test", plock)) != 0) {
+ printf("Create lock error: %d\n", ret);
+ }
+ if ((ret = SMB_THREAD_LOCK(plock, SMB_THREAD_LOCK)) != 0) {
+ printf("lock error: %d\n", ret);
+ }
+ if ((SMB_THREAD_LOCK(plock, SMB_THREAD_UNLOCK)) != 0) {
+ printf("unlock error: %d\n", ret);
+ }
+ SMB_THREAD_DESTROY_MUTEX(plock);
+
+ return 0;
+}
+#endif