1 files changed, 51 insertions, 0 deletions
diff --git a/media/libaah_rtp/pipe_event.h b/media/libaah_rtp/pipe_event.h
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+++ b/media/libaah_rtp/pipe_event.h
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+/*
+ * Copyright (C) 2011 The Android Open Source Project
+ *
+ * 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.
+ */
+
+#ifndef __PIPE_EVENT_H__
+#define __PIPE_EVENT_H__
+
+#include <media/stagefright/foundation/ABase.h>
+
+namespace android {
+
+class PipeEvent {
+  public:
+    PipeEvent();
+   ~PipeEvent();
+
+    bool initCheck() const {
+        return ((pipe_[0] >= 0) && (pipe_[1] >= 0));
+    }
+
+    int getWakeupHandle() const { return pipe_[0]; }
+
+    // block until the event fires; returns true if the event fired and false if
+    // the wait timed out.  Timeout is expressed in milliseconds; negative
+    // values mean wait forever.
+    bool wait(int timeout = -1);
+
+    void clearPendingEvents();
+    void setEvent();
+
+  private:
+    int pipe_[2];
+
+    DISALLOW_EVIL_CONSTRUCTORS(PipeEvent);
+};
+
+}  // namespace android
+
+#endif  // __PIPE_EVENT_H__