1 files changed, 138 insertions, 0 deletions
diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_mutex.c b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_mutex.c
new file mode 100644
index 00000000..e146a28f
--- /dev/null
+++ b/rubbos/app/httpd-2.0.64/srclib/apr/locks/unix/thread_mutex.c
@@ -0,0 +1,138 @@
+/* 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 "apr_arch_thread_mutex.h"
+#define APR_WANT_MEMFUNC
+#include "apr_want.h"
+
+#if APR_HAS_THREADS
+
+static apr_status_t thread_mutex_cleanup(void *data)
+{
+    apr_thread_mutex_t *mutex = data;
+    apr_status_t rv;
+
+    rv = pthread_mutex_destroy(&mutex->mutex);
+#ifdef PTHREAD_SETS_ERRNO
+    if (rv) {
+        rv = errno;
+    }
+#endif
+    return rv;
+} 
+
+APR_DECLARE(apr_status_t) apr_thread_mutex_create(apr_thread_mutex_t **mutex,
+                                                  unsigned int flags,
+                                                  apr_pool_t *pool)
+{
+    apr_thread_mutex_t *new_mutex;
+    apr_status_t rv;
+    
+#ifndef HAVE_PTHREAD_MUTEX_RECURSIVE
+    if (flags & APR_THREAD_MUTEX_NESTED) {
+        return APR_ENOTIMPL;
+    }
+#endif
+
+    new_mutex = apr_pcalloc(pool, sizeof(apr_thread_mutex_t));
+    new_mutex->pool = pool;
+
+#ifdef HAVE_PTHREAD_MUTEX_RECURSIVE
+    if (flags & APR_THREAD_MUTEX_NESTED) {
+        pthread_mutexattr_t mattr;
+        
+        rv = pthread_mutexattr_init(&mattr);
+        if (rv) return rv;
+        
+        rv = pthread_mutexattr_settype(&mattr, PTHREAD_MUTEX_RECURSIVE);
+        if (rv) {
+            pthread_mutexattr_destroy(&mattr);
+            return rv;
+        }
+         
+        rv = pthread_mutex_init(&new_mutex->mutex, &mattr);
+        
+        pthread_mutexattr_destroy(&mattr);
+    } else
+#endif
+        rv = pthread_mutex_init(&new_mutex->mutex, NULL);
+
+    if (rv) {
+#ifdef PTHREAD_SETS_ERRNO
+        rv = errno;
+#endif
+        return rv;
+    }
+
+    apr_pool_cleanup_register(new_mutex->pool,
+                              new_mutex, thread_mutex_cleanup,
+                              apr_pool_cleanup_null);
+
+    *mutex = new_mutex;
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_thread_mutex_lock(apr_thread_mutex_t *mutex)
+{
+    apr_status_t rv;
+
+    rv = pthread_mutex_lock(&mutex->mutex);
+#ifdef PTHREAD_SETS_ERRNO
+    if (rv) {
+        rv = errno;
+    }
+#endif
+    
+    return rv;
+}
+
+APR_DECLARE(apr_status_t) apr_thread_mutex_trylock(apr_thread_mutex_t *mutex)
+{
+    apr_status_t rv;
+
+    rv = pthread_mutex_trylock(&mutex->mutex);
+    if (rv) {
+#ifdef PTHREAD_SETS_ERRNO
+        rv = errno;
+#endif
+        return (rv == EBUSY) ? APR_EBUSY : rv;
+    }
+
+    return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_thread_mutex_unlock(apr_thread_mutex_t *mutex)
+{
+    apr_status_t status;
+
+    status = pthread_mutex_unlock(&mutex->mutex);
+#ifdef PTHREAD_SETS_ERRNO
+    if (status) {
+        status = errno;
+    }
+#endif
+
+    return status;
+}
+
+APR_DECLARE(apr_status_t) apr_thread_mutex_destroy(apr_thread_mutex_t *mutex)
+{
+    return apr_pool_cleanup_run(mutex->pool, mutex, thread_mutex_cleanup);
+}
+
+APR_POOL_IMPLEMENT_ACCESSOR(thread_mutex)
+
+#endif /* APR_HAS_THREADS */