static void start_profiler(void) { HANDLE currentThread; BOOL result; // parse the map file, if present parse_map_file(); /* do the dance to get a handle to ourself */ result = DuplicateHandle(GetCurrentProcess(), GetCurrentThread(), GetCurrentProcess(), ¤tThread, THREAD_GET_CONTEXT | THREAD_SUSPEND_RESUME | THREAD_QUERY_INFORMATION, FALSE, 0); assert_always(result, "Failed to get thread handle for main thread"); profiler_thread_exit = 0; /* start the thread */ profiler_thread = CreateThread(NULL, 0, profiler_thread_entry, (LPVOID)currentThread, 0, &profiler_thread_id); assert_always(profiler_thread, "Failed to create profiler thread\n"); /* max out the priority */ SetThreadPriority(profiler_thread, THREAD_PRIORITY_TIME_CRITICAL); }
int acpid_main(int argc UNUSED_PARAM, char **argv) { int nfd; int opts; struct pollfd *pfd; const char *opt_dir = "/etc/acpi"; const char *opt_input = "/dev/input/event"; const char *opt_logfile = "/var/log/acpid.log"; const char *opt_action = "/etc/acpid.conf"; const char *opt_map = "/etc/acpi.map"; #if ENABLE_FEATURE_PIDFILE const char *opt_pidfile = "/var/run/acpid.pid"; #endif INIT_G(); opt_complementary = "df:e--e"; opts = getopt32(argv, "c:de:fl:a:M:" IF_FEATURE_PIDFILE("p:") IF_FEATURE_ACPID_COMPAT("g:m:s:S:v"), &opt_dir, &opt_input, &opt_logfile, &opt_action, &opt_map IF_FEATURE_PIDFILE(, &opt_pidfile) IF_FEATURE_ACPID_COMPAT(, NULL, NULL, NULL, NULL) ); if (!(opts & OPT_f)) { /* No -f "Foreground", we go to background */ bb_daemonize_or_rexec(DAEMON_CLOSE_EXTRA_FDS, argv); } if (!(opts & OPT_d)) { /* No -d "Debug", we log to log file. * This includes any output from children. */ xmove_fd(xopen(opt_logfile, O_WRONLY | O_CREAT | O_TRUNC), STDOUT_FILENO); xdup2(STDOUT_FILENO, STDERR_FILENO); /* Also, acpid's messages (but not children) will go to syslog too */ openlog(applet_name, LOG_PID, LOG_DAEMON); logmode = LOGMODE_SYSLOG | LOGMODE_STDIO; } /* else: -d "Debug", log is not redirected */ parse_conf_file(opt_action); parse_map_file(opt_map); xchdir(opt_dir); bb_signals((1 << SIGCHLD), SIG_IGN); bb_signals(BB_FATAL_SIGS, record_signo); pfd = NULL; nfd = 0; while (1) { int fd; char *dev_event; dev_event = xasprintf((opts & OPT_e) ? "%s" : "%s%u", opt_input, nfd); fd = open(dev_event, O_RDONLY | O_NONBLOCK); if (fd < 0) { if (nfd == 0) bb_simple_perror_msg_and_die(dev_event); break; } free(dev_event); pfd = xrealloc_vector(pfd, 1, nfd); pfd[nfd].fd = fd; pfd[nfd].events = POLLIN; nfd++; } write_pidfile(opt_pidfile); while (safe_poll(pfd, nfd, -1) > 0) { int i; for (i = 0; i < nfd; i++) { const char *event; if (!(pfd[i].revents & POLLIN)) { if (pfd[i].revents == 0) continue; /* this fd has nothing */ /* Likely POLLERR, POLLHUP, POLLNVAL. * Do not listen on this fd anymore. */ close(pfd[i].fd); nfd--; for (; i < nfd; i++) pfd[i].fd = pfd[i + 1].fd; break; /* do poll() again */ } event = NULL; if (option_mask32 & OPT_e) { char *buf; int len; buf = xmalloc_reads(pfd[i].fd, NULL); /* buf = "button/power PWRB 00000080 00000000" */ len = strlen(buf) - 9; if (len >= 0) buf[len] = '\0'; event = find_action(NULL, buf); free(buf); } else { struct input_event ev; if (sizeof(ev) != full_read(pfd[i].fd, &ev, sizeof(ev))) continue; if (ev.value != 1 && ev.value != 0) continue; event = find_action(&ev, NULL); } if (!event) continue; // spawn event handler process_event(event); } } if (ENABLE_FEATURE_CLEAN_UP) { while (nfd--) close(pfd[nfd].fd); free(pfd); } remove_pidfile(opt_pidfile); return EXIT_SUCCESS; }