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 #include <sys/resource.h> 18 19 #include <sched.h> 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 "GpuService.h" 27 #include "SurfaceFlinger.h" 28 29 using namespace android; 30 31 int main(int, char**) { 32 signal(SIGPIPE, SIG_IGN); 33 // When SF is launched in its own process, limit the number of 34 // binder threads to 4. 35 ProcessState::self()->setThreadPoolMaxThreadCount(4); 36 37 // start the thread pool 38 sp<ProcessState> ps(ProcessState::self()); 39 ps->startThreadPool(); 40 41 // instantiate surfaceflinger 42 sp<SurfaceFlinger> flinger = new SurfaceFlinger(); 43 44 setpriority(PRIO_PROCESS, 0, PRIORITY_URGENT_DISPLAY); 45 46 set_sched_policy(0, SP_FOREGROUND); 47 48 #ifdef ENABLE_CPUSETS 49 // Put most SurfaceFlinger threads in the system-background cpuset 50 // Keeps us from unnecessarily using big cores 51 // Do this after the binder thread pool init 52 set_cpuset_policy(0, SP_SYSTEM); 53 #endif 54 55 // initialize before clients can connect 56 flinger->init(); 57 58 // publish surface flinger 59 sp<IServiceManager> sm(defaultServiceManager()); 60 sm->addService(String16(SurfaceFlinger::getServiceName()), flinger, false); 61 62 // publish GpuService 63 sp<GpuService> gpuservice = new GpuService(); 64 sm->addService(String16(GpuService::SERVICE_NAME), gpuservice, false); 65 66 struct sched_param param = {0}; 67 param.sched_priority = 2; 68 if (sched_setscheduler(0, SCHED_FIFO, ¶m) != 0) { 69 ALOGE("Couldn't set SCHED_FIFO"); 70 } 71 72 // run surface flinger in this thread 73 flinger->run(); 74 75 return 0; 76 } 77
