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 <cutils/sched_policy.h>
20 #include <binder/IServiceManager.h>
21 #include <binder/IPCThreadState.h>
22 #include <binder/ProcessState.h>
23 #include <binder/IServiceManager.h>
24 #include "GpuService.h"
25 #include "SurfaceFlinger.h"
26
27 using namespace android;
28
main(int,char **)29 int main(int, char**) {
30 signal(SIGPIPE, SIG_IGN);
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 setpriority(PRIO_PROCESS, 0, PRIORITY_URGENT_DISPLAY);
43
44 set_sched_policy(0, SP_FOREGROUND);
45
46 #ifdef ENABLE_CPUSETS
47 // Put most SurfaceFlinger threads in the system-background cpuset
48 // Keeps us from unnecessarily using big cores
49 // Do this after the binder thread pool init
50 set_cpuset_policy(0, SP_SYSTEM);
51 #endif
52
53 // initialize before clients can connect
54 flinger->init();
55
56 // publish surface flinger
57 sp<IServiceManager> sm(defaultServiceManager());
58 sm->addService(String16(SurfaceFlinger::getServiceName()), flinger, false);
59
60 // publish GpuService
61 sp<GpuService> gpuservice = new GpuService();
62 sm->addService(String16(GpuService::SERVICE_NAME), gpuservice, false);
63
64 // run surface flinger in this thread
65 flinger->run();
66
67 return 0;
68 }
69