| /******************************************************************************/ |
| /* 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_sigaction() syscall */ |
| /* rt_sigaction alters an action taken by a process on receipt */ |
| /* of a particular signal. The action is specified by the */ |
| /* sigaction structure. The previous action on the signal is */ |
| /* saved in oact.sigsetsize should indicate the size of a */ |
| /* sigset_t type. */ |
| /******************************************************************************/ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include <signal.h> |
| #include <errno.h> |
| #include <sys/syscall.h> |
| #include <string.h> |
| |
| #include "test.h" |
| #include "linux_syscall_numbers.h" |
| #include "lapi/rt_sigaction.h" |
| |
| char *TCID = "rt_sigaction01"; |
| static int testno; |
| int TST_TOTAL = 1; |
| |
| static void cleanup(void) |
| { |
| tst_rmdir(); |
| } |
| |
| static void setup(void) |
| { |
| TEST_PAUSE; |
| tst_tmpdir(); |
| } |
| |
| static int test_flags[] = |
| { SA_RESETHAND | SA_SIGINFO, SA_RESETHAND, SA_RESETHAND | SA_SIGINFO, |
| SA_RESETHAND | SA_SIGINFO, SA_NOMASK }; |
| char *test_flags_list[] = |
| { "SA_RESETHAND|SA_SIGINFO", "SA_RESETHAND", "SA_RESETHAND|SA_SIGINFO", |
| "SA_RESETHAND|SA_SIGINFO", "SA_NOMASK" }; |
| |
| static void handler(int sig) |
| { |
| tst_resm(TINFO, "Signal Handler Called with signal number %d\n", sig); |
| return; |
| } |
| |
| static int set_handler(int sig, int sig_to_mask, int mask_flags) |
| { |
| struct sigaction sa, oldaction; |
| |
| sa.sa_handler = (void *)handler; |
| sa.sa_flags = mask_flags; |
| sigemptyset(&sa.sa_mask); |
| sigaddset(&sa.sa_mask, sig); |
| |
| return ltp_rt_sigaction(sig, &sa, &oldaction, SIGSETSIZE); |
| } |
| |
| int main(int ac, char **av) |
| { |
| unsigned int flag; |
| int signal; |
| int lc; |
| const char *msg; |
| |
| msg = parse_opts(ac, av, NULL, NULL); |
| if (msg != NULL) |
| tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); |
| |
| setup(); |
| |
| for (lc = 0; TEST_LOOPING(lc); ++lc) { |
| |
| tst_count = 0; |
| |
| for (testno = 0; testno < TST_TOTAL; ++testno) { |
| |
| for (signal = SIGRTMIN; signal <= SIGRTMAX; signal++) { |
| for (flag = 0; |
| flag < |
| (sizeof(test_flags) / |
| sizeof(test_flags[0])); flag++) { |
| |
| TEST(set_handler |
| (signal, 0, test_flags[flag])); |
| |
| if (TEST_RETURN == 0) { |
| tst_resm(TINFO, "signal: %d ", |
| signal); |
| tst_resm(TPASS, |
| "rt_sigaction call succeeded: result = %ld ", |
| TEST_RETURN); |
| tst_resm(TINFO, |
| "sa.sa_flags = %s ", |
| test_flags_list[flag]); |
| kill(getpid(), signal); |
| } else { |
| tst_resm(TFAIL | TTERRNO, |
| "rt_sigaction call " |
| "failed"); |
| } |
| |
| } |
| |
| } |
| |
| } |
| |
| } |
| cleanup(); |
| tst_exit(); |
| } |