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* [glibc] posix: Ensure the initial signal disposition for tst-spawn7
@ 2023-03-08 13:09 Adhemerval Zanella
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From: Adhemerval Zanella @ 2023-03-08 13:09 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=65387e48097077c71ed527457c59ba59f3a1f3ee
commit 65387e48097077c71ed527457c59ba59f3a1f3ee
Author: Adhemerval Zanella Netto <adhemerval.zanella@linaro.org>
Date: Tue Mar 7 13:31:52 2023 -0300
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>
Diff:
---
posix/tst-spawn7.c | 6 ++++++
1 file changed, 6 insertions(+)
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);
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2023-03-08 13:09 [glibc] posix: Ensure the initial signal disposition for tst-spawn7 Adhemerval Zanella
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