From b26e29d8c834410c8d8add0a2ea7768f3a57c6c7 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Wed, 16 Jan 2002 00:28:45 +0000 Subject: Test for handling initial signal handler setting correctly. --- linuxthreads/tst-signal.c | 64 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 linuxthreads/tst-signal.c (limited to 'linuxthreads/tst-signal.c') diff --git a/linuxthreads/tst-signal.c b/linuxthreads/tst-signal.c new file mode 100644 index 0000000000..5eb0170c6c --- /dev/null +++ b/linuxthreads/tst-signal.c @@ -0,0 +1,64 @@ +/* Test sigaction wrapper. */ +/* Copyright (C) 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Andreas Schwab . + + 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 +#include +#include + +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; +} -- cgit 1.4.1