| /******************************************************************************/ |
| /* Copyright (c) Crackerjack Project., 2007 */ |
| /* */ |
| /* This program is free software; you can redistribute it and/or modify */ |
| /* it under the terms of the GNU General Public License as published by */ |
| /* the Free Software Foundation; either version 2 of the License, or */ |
| /* (at your option) any later version. */ |
| /* */ |
| /* This program 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 General Public License for more details. */ |
| /* */ |
| /* You should have received a copy of the GNU General Public License */ |
| /* along with this program; if not, write to the Free Software Foundation, */ |
| /* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ |
| /* */ |
| /* History: Porting from Crackerjack to LTP is done by */ |
| /* Manas Kumar Nayak maknayak@in.ibm.com> */ |
| /******************************************************************************/ |
| |
| /******************************************************************************/ |
| /* Description: This tests the rt_sigsuspend() syscall. */ |
| /******************************************************************************/ |
| |
| #include <stdio.h> |
| #include <signal.h> |
| #include <errno.h> |
| |
| #include "test.h" |
| #include "lapi/syscalls.h" |
| #include "lapi/rt_sigaction.h" |
| |
| char *TCID = "rt_sigsuspend01"; |
| int TST_TOTAL = 1; |
| |
| static void cleanup(void) |
| { |
| tst_rmdir(); |
| } |
| |
| static void setup(void) |
| { |
| TEST_PAUSE; |
| tst_tmpdir(); |
| } |
| |
| static void sig_handler(int sig) |
| { |
| } |
| |
| int main(int ac, char **av) |
| { |
| sigset_t set, set1, set2; |
| int lc; |
| |
| tst_parse_opts(ac, av, NULL, NULL); |
| |
| setup(); |
| |
| for (lc = 0; TEST_LOOPING(lc); ++lc) { |
| |
| tst_count = 0; |
| |
| if (sigemptyset(&set) < 0) |
| tst_brkm(TFAIL | TERRNO, cleanup, "sigemptyset failed"); |
| struct sigaction act, oact; |
| memset(&act, 0, sizeof(act)); |
| memset(&oact, 0, sizeof(oact)); |
| act.sa_handler = sig_handler; |
| |
| TEST(ltp_rt_sigaction(SIGALRM, &act, &oact, SIGSETSIZE)); |
| if (TEST_RETURN == -1) |
| tst_brkm(TFAIL | TTERRNO, cleanup, |
| "rt_sigaction failed"); |
| |
| TEST(ltp_syscall(__NR_rt_sigprocmask, SIG_UNBLOCK, 0, |
| &set1, SIGSETSIZE)); |
| if (TEST_RETURN == -1) |
| tst_brkm(TFAIL | TTERRNO, cleanup, |
| "rt_sigprocmask failed"); |
| |
| TEST(alarm(5)); |
| int result; |
| TEST(result = ltp_syscall(__NR_rt_sigsuspend, &set, |
| SIGSETSIZE)); |
| TEST(alarm(0)); |
| if (result == -1 && TEST_ERRNO != EINTR) { |
| TEST(ltp_syscall(__NR_rt_sigprocmask, SIG_UNBLOCK, 0, |
| &set2, SIGSETSIZE)); |
| if (TEST_RETURN == -1) { |
| tst_brkm(TFAIL | TTERRNO, cleanup, |
| "rt_sigprocmask failed"); |
| } else if (set1.__val[0] != set2.__val[0]) { |
| tst_brkm(TFAIL | TTERRNO, cleanup, |
| "rt_sigsuspend failed to " |
| "preserve signal mask"); |
| } else { |
| tst_resm(TPASS, "rt_sigsuspend PASSED"); |
| } |
| } else { |
| tst_resm(TFAIL | TTERRNO, "rt_sigsuspend failed"); |
| } |
| |
| } |
| |
| cleanup(); |
| |
| tst_exit(); |
| } |