diff options
| -rw-r--r-- | login-utils/su-common.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/login-utils/su-common.c b/login-utils/su-common.c index 5aefd3fff..696adc888 100644 --- a/login-utils/su-common.c +++ b/login-utils/su-common.c @@ -368,6 +368,9 @@ create_watching_parent (void) } else status = WEXITSTATUS (status); + + /* child is gone, don't use the PID anymore */ + child = (pid_t) -1; } else if (caught_signal) status = caught_signal + 128; @@ -377,7 +380,7 @@ create_watching_parent (void) else status = 1; - if (caught_signal) + if (caught_signal && child != (pid_t)-1) { fprintf (stderr, _("\nSession terminated, killing shell...")); kill (child, SIGTERM); @@ -387,9 +390,12 @@ create_watching_parent (void) if (caught_signal) { - sleep (2); - kill (child, SIGKILL); - fprintf (stderr, _(" ...killed.\n")); + if (child != (pid_t)-1) + { + sleep (2); + kill (child, SIGKILL); + fprintf (stderr, _(" ...killed.\n")); + } /* Let's terminate itself with the received signal. * |