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-rw-r--r--src/rc/supervise-daemon.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/rc/supervise-daemon.c b/src/rc/supervise-daemon.c
index 883c738d..52525c19 100644
--- a/src/rc/supervise-daemon.c
+++ b/src/rc/supervise-daemon.c
@@ -197,6 +197,16 @@ static void healthcheck(int sig)
do_healthcheck = 1;
}
+static void reap_zombies(int sig)
+{
+ int serrno;
+ (void) sig;
+
+ serrno = errno;
+ while (waitpid((pid_t)(-1), NULL, WNOHANG) > 0) {}
+ errno = serrno;
+}
+
static char * expand_home(const char *home, const char *path)
{
char *opath, *ppath, *p, *nh;
@@ -457,6 +467,7 @@ static void supervisor(char *exec, char **argv)
signal_setup_restart(SIGPIPE, handle_signal);
signal_setup_restart(SIGALRM, handle_signal);
signal_setup(SIGTERM, handle_signal);
+ signal_setup(SIGCHLD, reap_zombies);
signal_setup_restart(SIGUSR1, handle_signal);
signal_setup_restart(SIGUSR2, handle_signal);
signal_setup_restart(SIGBUS, handle_signal);