diff options
Diffstat (limited to 'tests/rt_sigaction.c')
-rw-r--r-- | tests/rt_sigaction.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/tests/rt_sigaction.c b/tests/rt_sigaction.c new file mode 100644 index 00000000..1c034ff3 --- /dev/null +++ b/tests/rt_sigaction.c @@ -0,0 +1,67 @@ +/* + * Copyright (c) 2014-2015 Dmitry V. Levin <ldv@altlinux.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <assert.h> +#include <stdlib.h> +#include <unistd.h> +#include <signal.h> + +static void handle_signal(int no) +{ + _exit(128 + no); +} + +int +main(void) +{ + struct sigaction sa, sa0; + + sa.sa_handler = SIG_IGN; + sigemptyset(&sa.sa_mask); + sigaddset(&sa.sa_mask, SIGHUP); + sigaddset(&sa.sa_mask, SIGINT); + sa.sa_flags = SA_RESTART; + assert(!sigaction(SIGUSR2, &sa, &sa0)); + + sa.sa_handler = handle_signal; + sigemptyset(&sa.sa_mask); + sigaddset(&sa.sa_mask, SIGQUIT); + sigaddset(&sa.sa_mask, SIGTERM); + sa.sa_flags = SA_SIGINFO; + assert(!sigaction(SIGUSR2, &sa, &sa0)); + + sa.sa_handler = SIG_DFL; + sigemptyset(&sa.sa_mask); + sa.sa_flags = 0; + assert(!sigaction(SIGUSR2, &sa, &sa0)); + + sigfillset(&sa.sa_mask); + sigdelset(&sa.sa_mask, SIGHUP); + assert(!sigaction(SIGUSR2, &sa, &sa0)); + + return 0; +} |