Creating a branch for experimenting with some ideas for JMS client.rajith_jms_client

git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/rajith_jms_client@1128369 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 67 insertions, 0 deletions

diff --git a/qpid/cpp/include/qpid/management/Mutex.h b/qpid/cpp/include/qpid/management/Mutex.h
new file mode 100644
index 0000000000..67ae04bae9
--- /dev/null
+++ b/qpid/cpp/include/qpid/management/Mutex.h
@@ -0,0 +1,67 @@
+#ifndef _management_Mutex_h
+#define _management_Mutex_h
+
+/*
+ *
+ * Copyright (c) 2008 The Apache Software Foundation
+ *
+ * Licensed 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 "qpid/CommonImportExport.h"
+
+namespace qpid {
+    namespace sys {
+        class Mutex;
+    }
+
+    namespace management {
+
+        /**
+         * Scoped lock template: calls lock() in ctor, unlock() in dtor.
+         * L can be any class with lock() and unlock() functions.
+         */
+        template <class L> class ScopedLockTemplate {
+        public:
+            ScopedLockTemplate(L& l) : mutex(l) { mutex.lock(); }
+            ~ScopedLockTemplate() { mutex.unlock(); }
+        private:
+            L& mutex;
+        };
+
+        template <class L> class ScopedUnlockTemplate {
+        public:
+            ScopedUnlockTemplate(L& l) : mutex(l) { mutex.unlock(); }
+            ~ScopedUnlockTemplate() { mutex.lock(); }
+        private:
+            L& mutex;
+        };
+
+        class Mutex {
+        public:
+            typedef ScopedLockTemplate<Mutex> ScopedLock;
+            typedef ScopedUnlockTemplate<Mutex> ScopedUnlock;
+
+            QPID_COMMON_EXTERN Mutex();
+            QPID_COMMON_EXTERN ~Mutex();
+            QPID_COMMON_EXTERN void lock();
+            QPID_COMMON_EXTERN void unlock();
+        private:
+            sys::Mutex* impl;
+        };
+    }
+}
+
+#endif
+