posix: Ensure the initial signal disposition for tst-spawn7

To avoid possible failure if any parent set any initial signal
disposition as SIG_IGN (for instance if the testcase is issued
with nohup).

Checked on x86_64-linux-gnu.
Tested-by: Florian Weimer <fweimer@redhat.com>
Reviewed-by: Florian Weimer <fweimer@redhat.com>
This commit is contained in:
Adhemerval Zanella Netto 2023-03-07 13:31:52 -03:00 committed by Adhemerval Zanella
parent d03094649d
commit 65387e4809

View File

@ -99,6 +99,12 @@ dummy_sa_handler (int signal)
static void
do_test_signals (void)
{
/* Ensure the initial signal disposition, ignore EINVAL for internal
signal such as SIGCANCEL. */
for (int sig = 1; sig < _NSIG; ++sig)
sigaction (sig, &(struct sigaction) { .sa_handler = SIG_DFL,
.sa_flags = 0 }, NULL);
{
/* Check if all signals handler are set to SIG_DFL on spawned process. */
spawn_signal_test ("SIG_DFL", NULL);