udevd: warn if we receive SIGCHLD from untracked worker

Signed-off-by: Anthony G. Basile <blueness@gentoo.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/src/udev/udevd.c b/src/udev/udevd.c
index e2cd9050e5..b7a59fb43b 100644
--- a/src/udev/udevd.c
+++ b/src/udev/udevd.c
@@ -1134,6 +1134,7 @@ int main(int argc, char *argv[]) {
         struct epoll_event ep_netlink = { .events = EPOLLIN };
         struct epoll_event ep_worker = { .events = EPOLLIN };
         int r = 0, one = 1;
+        bool found = false;
 
         udev = udev_new();
         if (!udev) {
@@ -1425,6 +1426,8 @@ int main(int argc, char *argv[]) {
 
                                 if (worker->state != WORKER_RUNNING)
                                         continue;
+                                else
+                                        found = true;
 
                                 assert(event);
 
@@ -1491,6 +1494,9 @@ int main(int argc, char *argv[]) {
                                 if (event_queue_insert(dev) < 0)
                                         udev_device_unref(dev);
                         }
+
+                        if (!found)
+                                log_warning("worker ["PID_FMT"] is unknown, ignoring", getpid());
                 }
 
                 /* start new events */