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Test for handling initial signal handler setting correctly.

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This commit is contained in:
Ulrich Drepper
2002-01-16 00:28:45 +00:00
parent 037af25e67
commit b26e29d8c8
2 changed files with 92 additions and 0 deletions
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64
linuxthreads/tst-signal.c Normal file
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/* Test sigaction wrapper. */
/* Copyright (C) 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Andreas Schwab <schwab@suse.de>.
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
int
main (int argc, char *argv[])
{
struct sigaction old_sa, new_sa;
if (sigaction (SIGHUP, NULL, &old_sa) < 0)
{
printf ("cannot get signal action for SIGHUP: %m\n");
exit (1);
}
if (old_sa.sa_handler != SIG_IGN)
{
printf ("SIGHUP action should be SIG_IGN, is %p\n",
(void *) old_sa.sa_handler);
exit (1);
}
new_sa.sa_handler = SIG_DFL;
if (sigaction (SIGHUP, &new_sa, NULL) < 0)
{
printf ("cannot set signal action for SIGHUP: %m\n");
exit (1);
}
if (sigaction (SIGHUP, NULL, &old_sa) < 0)
{
printf ("cannot get signal action for SIGHUP: %m\n");
exit (1);
}
if (old_sa.sa_handler != SIG_DFL)
{
printf ("SIGHUP action should be SIG_DFL, is %p\n",
(void *) old_sa.sa_handler);
exit (1);
}
return 0;
}

28
linuxthreads/tst-signal.sh Normal file
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#! /bin/sh
# Testing the sigaction wrapper.
# Copyright (C) 2002 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, write to the Free
# Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
# 02111-1307 USA.
common_objpfx=$1; shift
# set up to ignore SIGHUP
trap '' 1
exec ${common_objpfx}elf/ld.so --library-path $common_objpfx:${common_objpfx}linuxthreads \
${common_objpfx}linuxthreads/tst-signal