1/******************************************************************************/ 2/* Copyright (c) Crackerjack Project., 2007 */ 3/* */ 4/* This program is free software; you can redistribute it and/or modify */ 5/* it under the terms of the GNU General Public License as published by */ 6/* the Free Software Foundation; either version 2 of the License, or */ 7/* (at your option) any later version. */ 8/* */ 9/* This program is distributed in the hope that it will be useful, */ 10/* but WITHOUT ANY WARRANTY; without even the implied warranty of */ 11/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See */ 12/* the GNU General Public License for more details. */ 13/* */ 14/* You should have received a copy of the GNU General Public License */ 15/* along with this program; if not, write to the Free Software Foundation, */ 16/* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ 17/* */ 18/* History: Porting from Crackerjack to LTP is done by */ 19/* Manas Kumar Nayak maknayak@in.ibm.com> */ 20/******************************************************************************/ 21 22/******************************************************************************/ 23/* Description: This tests the rt_sigprocmask() syscall */ 24/* rt_sigprocmask changes the list of currently blocked signals. */ 25/* The set value stores the signal mask of the pending signals. */ 26/* The previous action on the signal is saved in oact. The value */ 27/* of how indicates how the call should behave; its values are */ 28/* as follows: */ 29/* */ 30/* SIG_BLOCK */ 31/* The set of blocked signals is the union of the current set*/ 32/* and the set argument. */ 33/* SIG_UNBLOCK */ 34/* The signals in set are removed from the current set of */ 35/* blocked signals. It is okay to unblock a signal that is */ 36/* not blocked. */ 37/* SIG_SETMASK */ 38/* The set of blocked signals is set to the set argument. */ 39/* sigsetsize should indicate the size of a sigset_t type. */ 40/* */ 41/* RETURN VALUE:i */ 42/* rt_sigprocmask returns 0 on success; otherwise, rt_sigprocmask*/ 43/* returns one of the errors listed in the "Errors" section. */ 44/* */ 45/* Errors: */ 46/* -EINVAL */ 47/* sigsetsize was not equivalent to the size of a */ 48/* sigset_t type or the value specified in how was */ 49/* invalid. */ 50/* -EFAULT */ 51/* An invalid set, act, or oact was specified. */ 52/******************************************************************************/ 53 54#include <stdio.h> 55#include <signal.h> 56#include <errno.h> 57 58#include "test.h" 59#include "lapi/syscalls.h" 60#include "ltp_signal.h" 61 62char *TCID = "rt_sigprocmask02"; 63int TST_TOTAL = 2; 64 65static void cleanup(void) 66{ 67 tst_rmdir(); 68} 69 70static void setup(void) 71{ 72 TEST_PAUSE; 73 tst_tmpdir(); 74} 75 76static sigset_t set; 77 78static struct test_case_t { 79 sigset_t *ss; 80 int sssize; 81 int exp_errno; 82} test_cases[] = { 83 { 84 &set, 1, EINVAL}, { 85 (sigset_t *) - 1, SIGSETSIZE, EFAULT} 86}; 87 88int test_count = sizeof(test_cases) / sizeof(struct test_case_t); 89 90int main(int ac, char **av) 91{ 92 int i; 93 sigset_t s; 94 95 tst_parse_opts(ac, av, NULL, NULL); 96 97 setup(); 98 99 tst_count = 0; 100 101 TEST(sigfillset(&s)); 102 if (TEST_RETURN == -1) 103 tst_brkm(TFAIL | TTERRNO, cleanup, 104 "Call to sigfillset() failed."); 105 106 for (i = 0; i < test_count; i++) { 107 TEST(ltp_syscall(__NR_rt_sigprocmask, SIG_BLOCK, 108 &s, test_cases[i].ss, test_cases[i].sssize)); 109 if (TEST_RETURN == 0) { 110 tst_resm(TFAIL | TTERRNO, 111 "Call to rt_sigprocmask() succeeded, " 112 "but should failed"); 113 } else if (TEST_ERRNO == test_cases[i].exp_errno) { 114 tst_resm(TPASS | TTERRNO, "Got expected errno"); 115 } else { 116 tst_resm(TFAIL | TTERRNO, "Got unexpected errno"); 117 } 118 119 } 120 121 cleanup(); 122 tst_exit(); 123} 124