diff options
Diffstat (limited to 'miscutils/update.c')
| -rw-r--r-- | miscutils/update.c | 60 |
1 files changed, 29 insertions, 31 deletions
diff --git a/miscutils/update.c b/miscutils/update.c index a6550b0..603740e 100644 --- a/miscutils/update.c +++ b/miscutils/update.c @@ -65,46 +65,44 @@ extern int update_main(int argc, char **argv) show_usage(); } } + + if (daemon(0, 1) < 0) + perror_msg_and_die("daemon"); - pid = fork(); - if (pid < 0) - return EXIT_FAILURE; - else if (pid == 0) { - /* Become a proper daemon */ - setsid(); - chdir("/"); + /* Become a proper daemon */ + setsid(); + chdir("/"); #ifdef OPEN_MAX - for (pid = 0; pid < OPEN_MAX; pid++) close(pid); + for (pid = 0; pid < OPEN_MAX; pid++) close(pid); #else - /* glibc 2.1.92 requires using sysconf(_SC_OPEN_MAX) */ - for (pid = 0; pid < sysconf(_SC_OPEN_MAX); pid++) close(pid); + /* glibc 2.1.92 requires using sysconf(_SC_OPEN_MAX) */ + for (pid = 0; pid < sysconf(_SC_OPEN_MAX); pid++) close(pid); #endif - /* - * This is no longer necessary since 1.3.5x, but it will harmlessly - * exit if that is the case. - */ + /* This is no longer necessary since 1.3.5x, but it will harmlessly + * exit if that is the case. + */ - /* set the program name that will show up in a 'ps' listing */ - argv[0] = "bdflush (update)"; - argv[1] = NULL; - argv[2] = NULL; - for (;;) { - if (use_sync) { - sleep(sync_duration); - sync(); - } else { - sleep(flush_duration); - if (bdflush(1, 0) < 0) { - openlog("update", LOG_CONS, LOG_DAEMON); - syslog(LOG_INFO, - "This kernel does not need update(8). Exiting."); - closelog(); - return EXIT_SUCCESS; - } + /* set the program name that will show up in a 'ps' listing */ + argv[0] = "bdflush (update)"; + argv[1] = NULL; + argv[2] = NULL; + for (;;) { + if (use_sync) { + sleep(sync_duration); + sync(); + } else { + sleep(flush_duration); + if (bdflush(1, 0) < 0) { + openlog("update", LOG_CONS, LOG_DAEMON); + syslog(LOG_INFO, + "This kernel does not need update(8). Exiting."); + closelog(); + return EXIT_SUCCESS; } } } + return EXIT_SUCCESS; } |