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-rw-r--r--TVOutDummy/Barrier.h55
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diff --git a/TVOutDummy/Barrier.h b/TVOutDummy/Barrier.h
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--- a/TVOutDummy/Barrier.h
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-/*
- * Copyright (C) 2007 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 ANDROID_BARRIER_H
-#define ANDROID_BARRIER_H
-
-#include <stdint.h>
-#include <sys/types.h>
-#include <utils/threads.h>
-
-namespace android {
-
-class Barrier
-{
-public:
- inline Barrier() : state(CLOSED) { }
- inline ~Barrier() { }
- void open() {
- Mutex::Autolock _l(lock);
- state = OPENED;
- cv.broadcast();
- }
- void close() {
- Mutex::Autolock _l(lock);
- state = CLOSED;
- }
- void wait() const {
- Mutex::Autolock _l(lock);
- while (state == CLOSED) {
- cv.wait(lock);
- }
- }
-private:
- enum { OPENED, CLOSED };
- mutable Mutex lock;
- mutable Condition cv;
- volatile int state;
-};
-
-}; // namespace android
-
-#endif // ANDROID_BARRIER_H