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-rw-r--r--src/activate/activate.c24
1 files changed, 18 insertions, 6 deletions
diff --git a/src/activate/activate.c b/src/activate/activate.c
index 8ac8dd8e72..a0cfc22000 100644
--- a/src/activate/activate.c
+++ b/src/activate/activate.c
@@ -316,19 +316,31 @@ static int do_accept(const char* name, char **argv, char **envp, int fd) {
}
/* SIGCHLD handler. */
-static void sigchld_hdl(int sig, siginfo_t *t, void *data) {
+static void sigchld_hdl(int sig) {
PROTECT_ERRNO;
- log_info("Child %d died with code %d", t->si_pid, t->si_status);
+ for (;;) {
+ siginfo_t si;
+ int r;
- /* Wait for a dead child. */
- (void) waitpid(t->si_pid, NULL, 0);
+ si.si_pid = 0;
+ r = waitid(P_ALL, 0, &si, WEXITED|WNOHANG);
+ if (r < 0) {
+ if (errno != ECHILD)
+ log_error_errno(errno, "Failed to reap children: %m");
+ return;
+ }
+ if (si.si_pid == 0)
+ return;
+
+ log_info("Child %d died with code %d", si.si_pid, si.si_status);
+ }
}
static int install_chld_handler(void) {
static const struct sigaction act = {
- .sa_flags = SA_SIGINFO,
- .sa_sigaction = sigchld_hdl,
+ .sa_flags = SA_NOCLDSTOP,
+ .sa_handler = sigchld_hdl,
};
int r;