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, 86 insertions, 0 deletions

diff --git a/qpid/cpp/include/qpid/sys/posix/Condition.h b/qpid/cpp/include/qpid/sys/posix/Condition.h
new file mode 100644
index 0000000000..36e7557ffd
--- /dev/null
+++ b/qpid/cpp/include/qpid/sys/posix/Condition.h
@@ -0,0 +1,86 @@
+#ifndef _sys_posix_Condition_h
+#define _sys_posix_Condition_h
+
+/*
+ *
+ * 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 "qpid/sys/posix/PrivatePosix.h"
+
+#include "qpid/sys/Mutex.h"
+#include "qpid/sys/Time.h"
+
+#include <time.h>
+#include <sys/errno.h>
+#include <boost/noncopyable.hpp>
+
+namespace qpid {
+namespace sys {
+
+/**
+ * A condition variable for thread synchronization.
+ */
+class Condition
+{
+  public:
+    inline Condition();
+    inline ~Condition();
+    inline void wait(Mutex&);
+    inline bool wait(Mutex&, const AbsTime& absoluteTime);
+    inline void notify();
+    inline void notifyAll();
+
+  private:
+    pthread_cond_t condition;
+};
+
+Condition::Condition() {
+    QPID_POSIX_ASSERT_THROW_IF(pthread_cond_init(&condition, 0));
+}
+
+Condition::~Condition() {
+    QPID_POSIX_ABORT_IF(pthread_cond_destroy(&condition));
+}
+
+void Condition::wait(Mutex& mutex) {
+    QPID_POSIX_ASSERT_THROW_IF(pthread_cond_wait(&condition, &mutex.mutex));
+}
+
+bool Condition::wait(Mutex& mutex, const AbsTime& absoluteTime){
+    struct timespec ts;
+    toTimespec(ts, Duration(EPOCH, absoluteTime));
+    int status = pthread_cond_timedwait(&condition, &mutex.mutex, &ts);
+    if (status != 0) {
+        if (status == ETIMEDOUT) return false;
+        throw QPID_POSIX_ERROR(status);
+    }
+    return true;
+}
+
+void Condition::notify(){
+    QPID_POSIX_ASSERT_THROW_IF(pthread_cond_signal(&condition));
+}
+
+void Condition::notifyAll(){
+    QPID_POSIX_ASSERT_THROW_IF(pthread_cond_broadcast(&condition));
+}
+
+}}
+#endif  /*!_sys_posix_Condition_h*/