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Diffstat (limited to 'src/genrc.c')
-rw-r--r--src/genrc.c85
1 files changed, 56 insertions, 29 deletions
diff --git a/src/genrc.c b/src/genrc.c
index ae3070d..9052987 100644
--- a/src/genrc.c
+++ b/src/genrc.c
@@ -27,3 +27,5 @@ enum {
OPT_SIGNAL_STOP,
- OPT_CREATE_PIDFILE
+ OPT_CREATE_PIDFILE,
+ OPT_RESTART_ON_EXIT,
+ OPT_RESTART_ON_SIGNAL,
};
@@ -31,18 +33,20 @@ enum {
struct option longopts[] = {
- { "help", no_argument, 0, 'h' },
- { "usage", no_argument, 0, OPT_USAGE },
- { "command", required_argument, 0, 'c' },
- { "program", required_argument, 0, 'p' },
- { "pid-from", required_argument, 0, 'P' },
- { "pidfile", required_argument, 0, 'F' },
- { "timeout", required_argument, 0, 't' },
- { "signal-reload", required_argument, 0, OPT_SIGNAL_RELOAD },
- { "no-reload", no_argument, 0, OPT_NO_RELOAD },
- { "signal-stop", required_argument, 0, OPT_SIGNAL_STOP },
- { "sentinel", no_argument, 0, 'S' },
- { "create-pidfile", required_argument, 0, OPT_CREATE_PIDFILE },
- { "version", no_argument, 0, OPT_VERSION },
- { "verbose", no_argument, 0, 'v' },
- { "user", required_argument, 0, 'u' },
- { "group", required_argument, 0, 'g' },
+ { "help", no_argument, 0, 'h' },
+ { "usage", no_argument, 0, OPT_USAGE },
+ { "command", required_argument, 0, 'c' },
+ { "program", required_argument, 0, 'p' },
+ { "pid-from", required_argument, 0, 'P' },
+ { "pidfile", required_argument, 0, 'F' },
+ { "timeout", required_argument, 0, 't' },
+ { "signal-reload", required_argument, 0, OPT_SIGNAL_RELOAD },
+ { "no-reload", no_argument, 0, OPT_NO_RELOAD },
+ { "signal-stop", required_argument, 0, OPT_SIGNAL_STOP },
+ { "sentinel", no_argument, 0, 'S' },
+ { "create-pidfile", required_argument, 0, OPT_CREATE_PIDFILE },
+ { "version", no_argument, 0, OPT_VERSION },
+ { "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 }
@@ -129,12 +133,18 @@ is_numeric_str(char const *s)
int
-sig_name_to_str(char const *s)
+str_to_int(char const *s)
+{
+ char *end;
+ unsigned long n;
+ errno = 0;
+ n = strtoul(s, &end, 10);
+ if (errno || *end || n > UINT_MAX)
+ return -1;
+ return n;
+}
+
+int
+str_to_sig(char const *s)
{
if (is_numeric_str(s)) {
- char *end;
- unsigned long n;
- errno = 0;
- n = strtoul(s, &end, 10);
- if (errno || *end || n > UINT_MAX)
- return -1;
- return n;
+ return str_to_int(s);
} else {
@@ -185,4 +195,2 @@ char const *help_msg[] = {
" 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",
@@ -196,2 +204,13 @@ char const *help_msg[] = {
"",
+ "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:",
@@ -274,2 +293,4 @@ char const *usage_msg[] = {
"[--program=PROGRAM]",
+ "[--restart-on-exit=[!]CODE[,...]]",
+ "[--restart-on-signal=[!]SIG[,...]]",
"[--sentinel]",
@@ -424,2 +445,8 @@ main(int argc, char **argv)
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:
@@ -452,3 +479,3 @@ main(int argc, char **argv)
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)
@@ -460,3 +487,3 @@ 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)

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