1 files changed, 78 insertions, 0 deletions
diff --git a/ndb/src/common/portlib/win32/NdbMutex.c b/ndb/src/common/portlib/win32/NdbMutex.c
new file mode 100644
index 00000000000..c93384d91db
--- /dev/null
+++ b/ndb/src/common/portlib/win32/NdbMutex.c
@@ -0,0 +1,78 @@
+/* Copyright (C) 2003 MySQL AB
+
+   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.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+
+#include <winsock2.h>
+#include <ws2tcpip.h>
+#include <windows.h>
+#include <time.h>
+#include <assert.h>
+
+#include "NdbMutex.h"
+
+
+NdbMutex* NdbMutex_Create(void)
+{
+    NdbMutex* pNdbMutex = (NdbMutex*)malloc(sizeof(NdbMutex));
+    if(!pNdbMutex)
+        return 0;
+    
+    InitializeCriticalSection(pNdbMutex);
+    return pNdbMutex;
+}
+
+
+int NdbMutex_Destroy(NdbMutex* p_mutex)
+{
+    if(!p_mutex)
+        return -1;
+    
+    DeleteCriticalSection(p_mutex);
+    free(p_mutex);
+    return 0;
+}
+
+
+int NdbMutex_Lock(NdbMutex* p_mutex)
+{
+    if(!p_mutex)
+        return -1;
+    
+    EnterCriticalSection (p_mutex);
+    return 0;
+}
+
+
+int NdbMutex_Unlock(NdbMutex* p_mutex)
+{
+    if(!p_mutex)
+        return -1;
+    
+    LeaveCriticalSection(p_mutex);
+    return 0;
+}
+
+
+int NdbMutex_Trylock(NdbMutex* p_mutex)
+{
+    int result = -1;
+    if(p_mutex) 
+    {
+        result = (TryEnterCriticalSection(p_mutex) ? 0 : -1);
+    }
+    return result;
+}
+