kore

commit d8ff8e2c18169e961a794a6f0f3194f1cfb324ab
parent 445163f7c593b680ddb0b27545e2e465a868b4f6
Author: Joris Vink <joris@coders.se>
Date:   Fri, 17 Jan 2020 21:43:56 +0100

Improve waiting on children to exit.

If waitpid() returns -1 check if errno is ECHILD, just mark the worker
process as exited.

This could happen if Kore starts without keymgr/acme but those would still
be accounted for.

Diffstat:
src/worker.c
 | 
5
++++-

1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/worker.c b/src/worker.c
@@ -223,8 +223,11 @@ kore_worker_shutdown(void)
 			kw = WORKER(idx);
 			if (kw->pid != 0) {
 				pid = waitpid(kw->pid, &status, 0);
-				if (pid == -1)
+				if (pid == -1) {
+					if (errno == ECHILD)
+						kw->pid = 0;
 					continue;
+				}
 
 #if defined(__linux__)
 				kore_seccomp_trace(kw->pid, status);