From 65387e48097077c71ed527457c59ba59f3a1f3ee Mon Sep 17 00:00:00 2001 From: Adhemerval Zanella Netto Date: Tue, 7 Mar 2023 13:31:52 -0300 Subject: 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 Reviewed-by: Florian Weimer --- posix/tst-spawn7.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'posix') diff --git a/posix/tst-spawn7.c b/posix/tst-spawn7.c index fedb09fb94..fb06915cb7 100644 --- a/posix/tst-spawn7.c +++ b/posix/tst-spawn7.c @@ -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); -- cgit 1.4.1