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Add tst-sigaction.c to test BZ #23069

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This simple test uses sigaction to define a signal handler. It then
uses sigaction again to fetch the information about the same signal
handler, and check that they are consistent. This is enough to detect
mismatches between struct kernel_sigaction and the kernel version of
struct sigaction, like in BZ #23069.

Changelog:
       * signal/tst-sigaction.c: New file to test BZ #23069.
       * signal/Makefile (tests): Fix indentation. Add tst-sigaction.

(cherry picked from commit 7a6f747871)
This commit is contained in:
Aurelien Jarno 2018-04-26 22:21:13 +02:00
parent ced2cd1ede
commit 623f4aef13
3 changed files with 62 additions and 1 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2018-04-26 Aurelien Jarno <aurelien@aurel32.net>
* signal/tst-sigaction.c: New file to test BZ #23069.
* signal/Makefile (tests): Fix indentation. Add tst-sigaction.
2018-04-28 Aurelien Jarno <aurelien@aurel32.net>
[BZ #23069]

2
signal/Makefile
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@ -46,7 +46,7 @@ routines := signal raise killpg \
sighold sigrelse sigignore sigset
tests := tst-signal tst-sigset tst-sigsimple tst-raise tst-sigset2 \
tst-sigwait-eintr \
tst-sigwait-eintr tst-sigaction \
include ../Rules

56
signal/tst-sigaction.c Normal file
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@ -0,0 +1,56 @@
/* Test sigaction regression for BZ #23069.
Copyright (C) 2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <signal.h>
#include <unistd.h>
#include <support/check.h>
static void
my_sig_handler (int signum)
{
}
static int
do_test (void)
{
/* Define a simple signal handler */
struct sigaction act;
act.sa_handler = my_sig_handler;
act.sa_flags = 0;
sigemptyset (&act.sa_mask);
/* Set it as SIGUSR1 signal handler */
TEST_VERIFY_EXIT (sigaction (SIGUSR1, &act, NULL) == 0);
/* Get SIGUSR1 signal handler */
TEST_VERIFY_EXIT (sigaction (SIGUSR1, NULL, &act) == 0);
/* Check it is consistent with the defined one */
TEST_VERIFY (act.sa_handler == my_sig_handler);
TEST_VERIFY (!(act.sa_flags & SA_RESETHAND));
for (int i = 1; i < _NSIG; i++)
{
TEST_VERIFY (!sigismember (&act.sa_mask, i));
}
return 0;
}
#include <support/test-driver.c>