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authorLennart Poettering <lennart@poettering.net>2010-08-16 22:40:11 +0200
committerLennart Poettering <lennart@poettering.net>2010-08-16 22:40:11 +0200
commit08e4b1c5c8aeb52e806b7cf994173660190e61ab (patch)
treee917904d731b0e677051e1bef4ec0c27a520f574 /src/shutdownd.c
parent2396fb04f78eaa9842c747e384218f0069446960 (diff)
shutdown: various fixes for handling of delayed shutdowns
Diffstat (limited to 'src/shutdownd.c')
-rw-r--r--src/shutdownd.c36
1 files changed, 24 insertions, 12 deletions
diff --git a/src/shutdownd.c b/src/shutdownd.c
index 80ff2e9fba..59439bca85 100644
--- a/src/shutdownd.c
+++ b/src/shutdownd.c
@@ -99,30 +99,31 @@ static int read_packet(int fd, struct shutdownd_command *_c) {
return 1;
}
-static void warn_wall(struct shutdownd_command *c) {
+static void warn_wall(usec_t n, struct shutdownd_command *c) {
assert(c);
assert(c->warn_wall);
+ if (n >= c->elapse)
+ return;
+
if (c->wall_message[0])
utmp_wall(c->wall_message);
else {
char date[FORMAT_TIMESTAMP_MAX];
const char* prefix;
- char *l;
+ char *l = NULL;
if (c->mode == 'H')
- prefix = "The system is going down for system halt at";
+ prefix = "The system is going down for system halt at ";
else if (c->mode == 'P')
- prefix = "The system is going down for power-off at";
+ prefix = "The system is going down for power-off at ";
else if (c->mode == 'r')
- prefix = "The system is going down for reboot at";
+ prefix = "The system is going down for reboot at ";
else
assert_not_reached("Unknown mode!");
- if (asprintf(&l, "%s %s!",
- prefix,
- format_timestamp(date, sizeof(date), c->elapse)) < 0)
+ if (asprintf(&l, "%s%s!", prefix, format_timestamp(date, sizeof(date), c->elapse)) < 0)
log_error("Failed to allocate wall message");
else {
utmp_wall(l);
@@ -151,8 +152,10 @@ static usec_t when_wall(usec_t n, usec_t elapse) {
left = elapse - n;
for (i = 0; i < ELEMENTSOF(table); i++)
- if (n + table[i].delay >= elapse)
+ if (n + table[i].delay >= elapse) {
sub = ((left / table[i].interval) * table[i].interval);
+ break;
+ }
if (i >= ELEMENTSOF(table))
sub = ((left / USEC_PER_HOUR) * USEC_PER_HOUR);
@@ -272,7 +275,7 @@ int main(int argc, char *argv[]) {
/* Warn immediately if less than 15 minutes are left */
if (n < c.elapse &&
n + 15*USEC_PER_MINUTE >= c.elapse)
- warn_wall(&c);
+ warn_wall(n, &c);
}
/* Disallow logins 5 minutes prior to shutdown */
@@ -300,7 +303,7 @@ int main(int argc, char *argv[]) {
if (pollfd[FD_WALL_TIMER].revents) {
struct itimerspec its;
- warn_wall(&c);
+ warn_wall(n, &c);
flush_fd(pollfd[FD_WALL_TIMER].fd);
/* Restart timer */
@@ -315,6 +318,8 @@ int main(int argc, char *argv[]) {
if (pollfd[FD_NOLOGIN_TIMER].revents) {
int e;
+ log_info("Creating /etc/nologin, blocking further logins...");
+
if ((e = touch("/etc/nologin")) < 0)
log_error("Failed to create /etc/nologin: %s", strerror(-e));
else
@@ -347,7 +352,14 @@ finish:
sw[1] = c.mode;
sw[2] = 0;
- execl(SYSTEMCTL_BINARY_PATH, "shutdown", sw, "now", NULL);
+ execl(SYSTEMCTL_BINARY_PATH,
+ "shutdown",
+ sw,
+ "now",
+ (c.warn_wall && c.wall_message[0]) ? c.wall_message :
+ (c.warn_wall ? NULL : "--no-wall"),
+ NULL);
+
log_error("Failed to execute /sbin/shutdown: %m");
}