134 lines
4.1 KiB
C
134 lines
4.1 KiB
C
/******************************************************************************/
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/* Copyright (c) Crackerjack Project., 2007 */
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/* */
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/* This program is free software; you can redistribute it and/or modify */
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/* it under the terms of the GNU General Public License as published by */
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/* the Free Software Foundation; either version 2 of the License, or */
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/* (at your option) any later version. */
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/* */
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/* This program is distributed in the hope that it will be useful, */
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/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
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/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See */
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/* the GNU General Public License for more details. */
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/* */
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/* You should have received a copy of the GNU General Public License */
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/* along with this program; if not, write to the Free Software Foundation, */
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/* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */
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/* */
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/* History: Porting from Crackerjack to LTP is done by */
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/* Manas Kumar Nayak maknayak@in.ibm.com> */
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/******************************************************************************/
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/******************************************************************************/
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/* Description: This tests the rt_sigaction() syscall */
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/* rt_sigaction alters an action taken by a process on receipt */
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/* of a particular signal. The action is specified by the */
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/* sigaction structure. The previous action on the signal is */
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/* saved in oact.sigsetsize should indicate the size of a */
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/* sigset_t type. */
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/******************************************************************************/
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#define _GNU_SOURCE
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <signal.h>
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#include <errno.h>
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#include <sys/syscall.h>
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#include <string.h>
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#include "test.h"
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#include "lapi/syscalls.h"
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#include "lapi/rt_sigaction.h"
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char *TCID = "rt_sigaction01";
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static int testno;
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int TST_TOTAL = 1;
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static void cleanup(void)
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{
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tst_rmdir();
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}
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static void setup(void)
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{
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TEST_PAUSE;
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tst_tmpdir();
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}
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static int test_flags[] =
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{ SA_RESETHAND | SA_SIGINFO, SA_RESETHAND, SA_RESETHAND | SA_SIGINFO,
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SA_RESETHAND | SA_SIGINFO, SA_NOMASK };
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char *test_flags_list[] =
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{ "SA_RESETHAND|SA_SIGINFO", "SA_RESETHAND", "SA_RESETHAND|SA_SIGINFO",
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"SA_RESETHAND|SA_SIGINFO", "SA_NOMASK" };
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static void handler(int sig)
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{
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tst_resm(TINFO, "Signal Handler Called with signal number %d", sig);
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return;
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}
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static int set_handler(int sig, int sig_to_mask, int mask_flags)
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{
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struct sigaction sa, oldaction;
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sa.sa_handler = (void *)handler;
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sa.sa_flags = mask_flags;
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sigemptyset(&sa.sa_mask);
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sigaddset(&sa.sa_mask, sig);
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return ltp_rt_sigaction(sig, &sa, &oldaction, SIGSETSIZE);
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}
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int main(int ac, char **av)
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{
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unsigned int flag;
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int signal;
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int lc;
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tst_parse_opts(ac, av, NULL, NULL);
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setup();
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for (lc = 0; TEST_LOOPING(lc); ++lc) {
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tst_count = 0;
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for (testno = 0; testno < TST_TOTAL; ++testno) {
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for (signal = SIGRTMIN; signal <= SIGRTMAX; signal++) {
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for (flag = 0;
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flag <
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ARRAY_SIZE(test_flags); flag++) {
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TEST(set_handler
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(signal, 0, test_flags[flag]));
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if (TEST_RETURN == 0) {
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tst_resm(TINFO, "signal: %d ",
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signal);
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tst_resm(TPASS,
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"rt_sigaction call succeeded: result = %ld ",
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TEST_RETURN);
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tst_resm(TINFO,
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"sa.sa_flags = %s ",
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test_flags_list[flag]);
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kill(getpid(), signal);
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} else {
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tst_resm(TFAIL | TTERRNO,
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"rt_sigaction call "
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"failed");
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}
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}
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}
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}
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}
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cleanup();
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tst_exit();
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}
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