loop until waitpid returns pid_child or error

closes #104 Signed-off-by: ed neville <ed@s5h.net>
2020-09-20 23:02:58 +01:00 · 2020-09-20 23:02:58 +01:00 · 01a8df79b3
commit 01a8df79b3
parent 9a10373ddb
1 changed files with 3 additions and 1 deletions
--- a/src/su.c
+++ b/src/su.c
@ -354,7 +354,9 @@ static void prepare_pam_close_session (void)
 			pid_t pid;
 			stop = true;

+			do {
 				pid = waitpid (-1, &status, WUNTRACED);
+			} while (pid != -1 && pid != pid_child);

 			/* When interrupted by signal, the signal will be
 			 * forwarded to the child, and termination will be