system_main.cpp revision 6215d3ff4b5dfa52a5d8b9a42e343051f31066a5 
1/*
2 * Main entry of system server process.
3 *
4 * Calls the standard system initialization function, and then
5 * puts the main thread into the thread pool so it can handle
6 * incoming transactions.
7 *
8 */
9
10#define LOG_TAG "sysproc"
11
12#include <binder/IPCThreadState.h>
13#include <utils/Log.h>
14
15#include <private/android_filesystem_config.h>
16
17#include <sys/time.h>
18#include <sys/resource.h>
19
20#include <signal.h>
21#include <stdio.h>
22#include <unistd.h>
23
24using namespace android;
25
26extern "C" status_t system_init();
27
28bool finish_system_init()
29{
30    return true;
31}
32
33static void blockSignals()
34{
35    sigset_t mask;
36    int cc;
37
38    sigemptyset(&mask);
39    sigaddset(&mask, SIGQUIT);
40    sigaddset(&mask, SIGUSR1);
41    cc = sigprocmask(SIG_BLOCK, &mask, NULL);
42    assert(cc == 0);
43}
44
45int main(int argc, const char* const argv[])
46{
47    ALOGI("System server is starting with pid=%d.\n", getpid());
48
49    blockSignals();
50
51    // You can trust me, honestly!
52    LOGW("*** Current priority: %d\n", getpriority(PRIO_PROCESS, 0));
53    setpriority(PRIO_PROCESS, 0, -1);
54
55    system_init();
56}
57