updates.

[silc.git] / lib / silcutil / win32 / silcwin32mutex.c

diff --git a/lib/silcutil/win32/silcwin32mutex.c b/lib/silcutil/win32/silcwin32mutex.c
new file mode 100644 (file)
index 0000000..690c2a2
--- /dev/null
+++ b/lib/silcutil/win32/silcwin32mutex.c
@@ -0,0 +1,58 @@
+/*
+
+  silcwin32mutex.c
+
+  Author: Pekka Riikonen <priikone@silcnet.org>
+
+  Copyright (C) 2001 Pekka Riikonen
+
+  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 2 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.
+
+*/
+/* $Id$ */
+
+#include "silcincludes.h"
+
+#ifdef SILC_THREADS
+
+/* SILC Mutex structure */
+struct SilcMutexStruct {
+  HANDLE mutex;
+};
+
+SilcMutex silc_mutex_alloc(void)
+{
+  SilcMutex mutex = silc_calloc(1, sizeof(*mutex));
+  mutex->mutex = CreateMutex(NULL, FALSE, NULL);
+  if (!mutex->mutex) {
+    silc_free(mutex);
+    return NULL;
+  }
+  return mutex;
+}
+
+void silc_mutex_free(SilcMutex mutex)
+{
+  CloseHandle(mutex->mutex);
+  silc_free(mutex);
+}
+
+void silc_mutex_lock(SilcMutex mutex)
+{
+  WaitForSingleObject(mutex->mutex, INFINITE);
+}
+
+void silc_mutex_unlock(SilcMutex mutex)
+{
+  ReleaseMutex(mutex->mutex);
+}
+
+#endif /* SILC_THREADS */