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      1 /*
      2  * Copyright (C) 2010 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #if defined(HAVE_PTHREADS)
     18 #include <sys/resource.h>
     19 #endif
     20 
     21 #include <cutils/sched_policy.h>
     22 #include <binder/IServiceManager.h>
     23 #include <binder/IPCThreadState.h>
     24 #include <binder/ProcessState.h>
     25 #include <binder/IServiceManager.h>
     26 #include "SurfaceFlinger.h"
     27 
     28 using namespace android;
     29 
     30 int main(int, char**) {
     31     // When SF is launched in its own process, limit the number of
     32     // binder threads to 4.
     33     ProcessState::self()->setThreadPoolMaxThreadCount(4);
     34 
     35     // start the thread pool
     36     sp<ProcessState> ps(ProcessState::self());
     37     ps->startThreadPool();
     38 
     39     // instantiate surfaceflinger
     40     sp<SurfaceFlinger> flinger = new SurfaceFlinger();
     41 
     42 #if defined(HAVE_PTHREADS)
     43     setpriority(PRIO_PROCESS, 0, PRIORITY_URGENT_DISPLAY);
     44 #endif
     45     set_sched_policy(0, SP_FOREGROUND);
     46 
     47     // initialize before clients can connect
     48     flinger->init();
     49 
     50     // publish surface flinger
     51     sp<IServiceManager> sm(defaultServiceManager());
     52     sm->addService(String16(SurfaceFlinger::getServiceName()), flinger, false);
     53 
     54     // run in this thread
     55     flinger->run();
     56 
     57     return 0;
     58 }
     59