diff options
Diffstat (limited to 'src/genrc.c')
-rw-r--r-- | src/genrc.c | 41 |
1 files changed, 34 insertions, 7 deletions
diff --git a/src/genrc.c b/src/genrc.c index ae3070d..9052987 100644 --- a/src/genrc.c +++ b/src/genrc.c @@ -25,7 +25,9 @@ enum { OPT_SIGNAL_RELOAD, OPT_NO_RELOAD, OPT_SIGNAL_STOP, - OPT_CREATE_PIDFILE + OPT_CREATE_PIDFILE, + OPT_RESTART_ON_EXIT, + OPT_RESTART_ON_SIGNAL, }; struct option longopts[] = { @@ -45,6 +47,8 @@ struct option longopts[] = { { "verbose", no_argument, 0, 'v' }, { "user", required_argument, 0, 'u' }, { "group", required_argument, 0, 'g' }, + { "restart-on-exit", required_argument, 0, OPT_RESTART_ON_EXIT }, + { "restart-on-signal", required_argument, 0, OPT_RESTART_ON_SIGNAL }, { NULL } }; char shortopts[] = "c:hF:g:P:p:St:u:v"; @@ -127,9 +131,8 @@ is_numeric_str(char const *s) } int -sig_name_to_str(char const *s) +str_to_int(char const *s) { - if (is_numeric_str(s)) { char *end; unsigned long n; errno = 0; @@ -137,6 +140,13 @@ sig_name_to_str(char const *s) if (errno || *end || n > UINT_MAX) return -1; return n; +} + +int +str_to_sig(char const *s) +{ + if (is_numeric_str(s)) { + return str_to_int(s); } else { struct sigdefn *sd; @@ -183,8 +193,6 @@ char const *help_msg[] = { "", " -t, --timeout=SECONDS time to wait for the program to start up or", " terminate", - " --sentinel PROGRAM runs in foreground; disconnect from the", - " controlling terminal, run it and act as a sentinel", " -P, --pid-from=SOURCE where to look for PIDs of the running programs", " -F, --pidfile=NAME name of the PID file", " (same as --pid-from=FILE:NAME)", @@ -194,6 +202,17 @@ char const *help_msg[] = { " --signal-stop=SIG signal to send in order to terminate the program", " (default: SIGTERM)", "", + "Sentinel mode:", + "", + " --sentinel PROGRAM runs in foreground; disconnect from the", + " controlling terminal, run it and act as a sentinel", + " --restart-on-exit=[!]CODE[,...]", + " restart the program if it exits with one of the", + " listed status codes", + " --restart-on-signal=[!]SIG[,...]", + " restart the program if it terminates on one of the", + " listed signals", + "", "Informational options:", "", " -h, --help display this help list", @@ -272,6 +291,8 @@ char const *usage_msg[] = { "[--pid-from=SOURCE]", "[--pidfile=PIDFILE]", "[--program=PROGRAM]", + "[--restart-on-exit=[!]CODE[,...]]", + "[--restart-on-signal=[!]SIG[,...]]", "[--sentinel]", "[--signal-reload=SIG]", "[--signal-stop=SIG]", @@ -422,6 +443,12 @@ main(int argc, char **argv) case 'S': setenv("GENRC_SENTINEL", "1", 1); break; + case OPT_RESTART_ON_EXIT: + add_restart_condition(RESTART_ON_EXIT, optarg); + break; + case OPT_RESTART_ON_SIGNAL: + add_restart_condition(RESTART_ON_SIGNAL, optarg); + break; case OPT_NO_RELOAD: no_reload = 1; break; @@ -450,7 +477,7 @@ main(int argc, char **argv) if (no_reload) genrc_no_reload = 1; else if ((p = getenv("GENRC_SIGNAL_RELOAD")) != NULL) { - genrc_signal_reload = sig_name_to_str(p); + genrc_signal_reload = str_to_sig(p); if (genrc_signal_reload == -1) usage_error("%s: invalid signal number", p); else if (genrc_signal_reload == 0) @@ -458,7 +485,7 @@ main(int argc, char **argv) } if ((p = getenv("GENRC_SIGNAL_STOP")) != NULL) { - genrc_signal_stop = sig_name_to_str(p); + genrc_signal_stop = str_to_sig(p); if (genrc_signal_stop <= 0) usage_error("%s: invalid signal number", p); } |