19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifndef ANDROID_SURFACE_FLINGER_SYNCHRO_H 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define ANDROID_SURFACE_FLINGER_SYNCHRO_H 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <stdint.h> 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/types.h> 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Errors.h> 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/threads.h> 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <ui/ISurfaceComposer.h> 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectnamespace android { 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectclass SurfaceFlinger; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectclass SurfaceFlingerSynchro 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic: 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // client constructor 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SurfaceFlingerSynchro(const sp<ISurfaceComposer>& flinger); 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ~SurfaceFlingerSynchro(); 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // signal surfaceflinger for some work 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t signal(); 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectprivate: 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project class Barrier { 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public: 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Barrier(); 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ~Barrier(); 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void open(); 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void close(); 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void waitAndClose(); 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t waitAndClose(nsecs_t timeout); 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private: 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project enum { OPENED, CLOSED }; 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mutable Mutex lock; 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mutable Condition cv; 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project volatile int state; 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project }; 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project friend class SurfaceFlinger; 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // server constructor 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SurfaceFlingerSynchro(); 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void open(); 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // wait until there is some work to do 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t wait(); 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t wait(nsecs_t timeout); 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sp<ISurfaceComposer> mSurfaceComposer; 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Barrier mBarrier; 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project}; // namespace android 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif // ANDROID_SURFACE_FLINGER_SYNCHRO_H 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 77