1 files changed, 93 insertions, 0 deletions
diff --git a/storage/ndb/src/common/portlib/NdbMutex.c b/storage/ndb/src/common/portlib/NdbMutex.c
new file mode 100644
index 00000000000..d3d39ea8cf7
--- /dev/null
+++ b/storage/ndb/src/common/portlib/NdbMutex.c
@@ -0,0 +1,93 @@
+/* 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 <ndb_global.h>
+
+#include <NdbThread.h>
+#include <NdbMutex.h>
+#include <NdbMem.h>
+
+NdbMutex* NdbMutex_Create(void)
+{
+  NdbMutex* pNdbMutex;
+  int result;
+  
+  pNdbMutex = (NdbMutex*)NdbMem_Allocate(sizeof(NdbMutex));
+  
+  if (pNdbMutex == NULL)
+    return NULL;
+  
+  result = pthread_mutex_init(pNdbMutex, NULL);
+  assert(result == 0);
+			     
+  return pNdbMutex;
+		     
+}
+
+
+int NdbMutex_Destroy(NdbMutex* p_mutex)
+{
+  int result;
+
+  if (p_mutex == NULL)
+    return -1;
+
+  result = pthread_mutex_destroy(p_mutex);
+  free(p_mutex);
+			     
+  return result;
+
+}
+
+
+int NdbMutex_Lock(NdbMutex* p_mutex)
+{
+  int result;
+
+  if (p_mutex == NULL)
+    return -1;
+
+  result = pthread_mutex_lock(p_mutex);
+  
+  return result;
+}
+
+
+int NdbMutex_Unlock(NdbMutex* p_mutex)
+{
+  int result;
+
+  if (p_mutex == NULL)
+    return -1;
+
+  result = pthread_mutex_unlock(p_mutex);
+			     
+  return result;
+}
+
+
+int NdbMutex_Trylock(NdbMutex* p_mutex)
+{
+  int result = -1;
+
+  if (p_mutex != NULL) {
+    result = pthread_mutex_trylock(p_mutex);
+  }
+
+  return result;
+}
+