ask-password: use kill(PID, 0) before querying a password

2011-04-13 21:43:36 +02:00 · 2011-04-13 21:43:36 +02:00 · ded8033531
parent 7dcda352a6
commit ded8033531
1 changed files with 7 additions and 0 deletions
--- a/src/tty-ask-password-agent.c
+++ b/src/tty-ask-password-agent.c
@ -291,6 +291,13 @@ static int parse_password(const char *filename, char **wall) {
                }
        }

+        if (pid > 0 &&
+            kill(pid, 0) < 0 &&
+            errno == ESRCH) {
+                r = 0;
+                goto finish;
+        }
+
        if (arg_action == ACTION_LIST)
                printf("'%s' (PID %u)\n", message, pid);
        else if (arg_action == ACTION_WALL) {