From 0425aadc78680e53000fd0108b540d6eca048516 Mon Sep 17 00:00:00 2001
From: gmcdonald
Date: Sat, 13 Feb 2010 01:32:03 +0000
Subject: Moving axis svn, part of TLP move INFRA-2441

git-svn-id: http://svn.apache.org/repos/asf/axis/axis2/c/core/trunk@909681 13f79535-47bb-0310-9956-ffa450edef68
---
 util/src/platforms/windows/thread_mutex_windows.c | 148 ++++++++++++++++++++++
 1 file changed, 148 insertions(+)
 create mode 100644 util/src/platforms/windows/thread_mutex_windows.c

(limited to 'util/src/platforms/windows/thread_mutex_windows.c')

diff --git a/util/src/platforms/windows/thread_mutex_windows.c b/util/src/platforms/windows/thread_mutex_windows.c
new file mode 100644
index 0000000..13df497
--- /dev/null
+++ b/util/src/platforms/windows/thread_mutex_windows.c
@@ -0,0 +1,148 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <axutil_thread.h>
+#include <platforms/windows/axutil_thread_mutex_windows.h>
+
+static axis2_status_t
+thread_mutex_cleanup(
+    void *data)
+{
+    axutil_thread_mutex_t *lock = NULL;
+    axutil_allocator_t *allocator = NULL;
+    if(!data)
+        return AXIS2_FAILURE;
+
+    lock = (axutil_thread_mutex_t *)data;
+    allocator = lock->allocator;
+
+    if(lock->type == thread_mutex_critical_section)
+    {
+        DeleteCriticalSection(&lock->section);
+    }
+    else
+    {
+        if(!CloseHandle(lock->handle))
+        {
+            return AXIS2_FAILURE;
+        }
+    }
+
+    AXIS2_FREE(allocator, lock);
+    return AXIS2_SUCCESS;
+}
+
+AXIS2_EXTERN axutil_thread_mutex_t *AXIS2_CALL
+axutil_thread_mutex_create(
+    axutil_allocator_t * allocator,
+    unsigned int flags)
+{
+    axutil_thread_mutex_t *mutex = NULL;
+
+    mutex = (axutil_thread_mutex_t *)AXIS2_MALLOC(allocator, sizeof(axutil_thread_mutex_t));
+    mutex->allocator = allocator;
+
+    if(flags == AXIS2_THREAD_MUTEX_DEFAULT) /*unnested */
+    {
+        /* Use an auto-reset signaled event, ready to accept one
+         * waiting thread.
+         */
+        mutex->type = thread_mutex_unnested_event;
+        mutex->handle = CreateEvent(NULL, FALSE, TRUE, NULL);
+    }
+    else
+    {
+        /* TODO :support critical_section and nested_mutex */
+    }
+
+    return mutex;
+}
+
+AXIS2_EXTERN axis2_status_t AXIS2_CALL
+axutil_thread_mutex_lock(
+    axutil_thread_mutex_t * mutex)
+{
+    if(mutex->type == thread_mutex_critical_section)
+    {
+        EnterCriticalSection(&mutex->section);
+    }
+    else
+    {
+        DWORD rv = WaitForSingleObject(mutex->handle, INFINITE);
+        if((rv != WAIT_OBJECT_0) && (rv != WAIT_ABANDONED))
+        {
+            return AXIS2_FAILURE;
+            /*can be either BUSY or an os specific error */
+        }
+    }
+    return AXIS2_SUCCESS;
+}
+
+AXIS2_EXTERN axis2_status_t AXIS2_CALL
+axutil_thread_mutex_trylock(
+    axutil_thread_mutex_t * mutex)
+{
+
+    if(mutex->type == thread_mutex_critical_section)
+    {
+        /* TODO :implement trylock for critical section */
+    }
+    else
+    {
+        DWORD rv = WaitForSingleObject(mutex->handle, 0);
+        if((rv != WAIT_OBJECT_0) && (rv != WAIT_ABANDONED))
+        {
+            /*can be either BUSY or an os specific error */
+            return AXIS2_FAILURE;
+        }
+    }
+    return AXIS2_SUCCESS;
+}
+
+AXIS2_EXTERN axis2_status_t AXIS2_CALL
+axutil_thread_mutex_unlock(
+    axutil_thread_mutex_t * mutex)
+{
+    if(mutex->type == thread_mutex_critical_section)
+    {
+        LeaveCriticalSection(&mutex->section);
+    }
+    else if(mutex->type == thread_mutex_unnested_event)
+    {
+        if(!SetEvent(mutex->handle))
+        {
+            /*os specific error */
+            return AXIS2_FAILURE;
+        }
+    }
+    else if(mutex->type == thread_mutex_nested_mutex)
+    {
+        if(!ReleaseMutex(mutex->handle))
+        {
+            /*os specific error */
+            return AXIS2_FAILURE;
+        }
+    }
+    return AXIS2_SUCCESS;
+}
+
+AXIS2_EXTERN axis2_status_t AXIS2_CALL
+axutil_thread_mutex_destroy(
+    axutil_thread_mutex_t * mutex)
+{
+    return thread_mutex_cleanup((void *)mutex);
+}
-- 
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