| /******************************************************************************/ |
| /* 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 */ |
| /* */ |
| /******************************************************************************/ |
| /******************************************************************************/ |
| /* */ |
| /* File: rt_sigaction01.c */ |
| /* */ |
| /* 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. */ |
| /* */ |
| /* Usage: <for command-line> */ |
| /* rt_sigaction01 [-c n] [-e][-i n] [-I x] [-p x] [-t] */ |
| /* where, -c n : Run n copies concurrently. */ |
| /* -e : Turn on errno logging. */ |
| /* -i n : Execute test n times. */ |
| /* -I x : Execute test for x seconds. */ |
| /* -P x : Pause for x seconds between iterations. */ |
| /* -t : Turn on syscall timing. */ |
| /* */ |
| /* Total Tests: 1 */ |
| /* */ |
| /* Test Name: rt_sigaction01 */ |
| /* History: Porting from Crackerjack to LTP is done by */ |
| /* Manas Kumar Nayak maknayak@in.ibm.com> */ |
| /******************************************************************************/ |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| #include <signal.h> |
| #include <errno.h> |
| #include <sys/syscall.h> |
| #include <string.h> |
| |
| /* Harness Specific Include Files. */ |
| #define LTP_RT_SIG_TEST |
| #include "test.h" |
| #include "usctest.h" |
| #include "linux_syscall_numbers.h" |
| #include "ltp_signal.h" |
| |
| /* Extern Global Variables */ |
| |
| /* Global Variables */ |
| char *TCID = "rt_sigaction01"; /* Test program identifier. */ |
| int testno; |
| int TST_TOTAL = 1; /* total number of tests in this file. */ |
| |
| /* Extern Global Functions */ |
| /******************************************************************************/ |
| /* */ |
| /* Function: cleanup */ |
| /* */ |
| /* Description: Performs all one time clean up for this test on successful */ |
| /* completion, premature exit or failure. Closes all temporary */ |
| /* files, removes all temporary directories exits the test with */ |
| /* appropriate return code by calling tst_exit() function. */ |
| /* */ |
| /* Input: None. */ |
| /* */ |
| /* Output: None. */ |
| /* */ |
| /* Return: On failure - Exits calling tst_exit(). Non '0' return code. */ |
| /* On success - Exits calling tst_exit(). With '0' return code. */ |
| /* */ |
| /******************************************************************************/ |
| void cleanup() |
| { |
| |
| TEST_CLEANUP; |
| tst_rmdir(); |
| |
| } |
| |
| /* Local Functions */ |
| /******************************************************************************/ |
| /* */ |
| /* Function: setup */ |
| /* */ |
| /* Description: Performs all one time setup for this test. This function is */ |
| /* typically used to capture signals, create temporary dirs */ |
| /* and temporary files that may be used in the course of this */ |
| /* test. */ |
| /* */ |
| /* Input: None. */ |
| /* */ |
| /* Output: None. */ |
| /* */ |
| /* Return: On failure - Exits by calling cleanup(). */ |
| /* On success - returns 0. */ |
| /* */ |
| /******************************************************************************/ |
| void setup() |
| { |
| /* Capture signals if any */ |
| /* Create temporary directories */ |
| TEST_PAUSE; |
| tst_tmpdir(); |
| } |
| |
| 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" }; |
| |
| void handler(int sig) |
| { |
| tst_resm(TINFO, "Signal Handler Called with signal number %d\n", sig); |
| return; |
| } |
| |
| int set_handler(int sig, int sig_to_mask, int mask_flags) |
| { |
| #ifdef __x86_64__ |
| struct kernel_sigaction sa, oldaction; |
| mask_flags |= SA_RESTORER; |
| sa.sa_restorer = restore_rt; |
| sa.k_sa_handler = (void *)handler; |
| #else |
| struct sigaction sa, oldaction; |
| sa.sa_handler = (void *)handler; |
| #endif |
| sa.sa_flags = mask_flags; |
| sigemptyset(&sa.sa_mask); |
| sigaddset(&sa.sa_mask, sig); |
| |
| return ltp_syscall(__NR_rt_sigaction, sig, &sa, &oldaction, SIGSETSIZE); |
| |
| } |
| |
| int main(int ac, char **av) |
| { |
| int signal, flag; |
| int lc; |
| char *msg; |
| |
| if ((msg = parse_opts(ac, av, NULL, NULL)) != 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++) { //signal for 34 to 65 |
| |
| #ifdef __x86_64__ |
| sig_initial(signal); |
| #endif |
| |
| 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(); |
| } |