1 /* 2 * 3 * Copyright (c) International Business Machines Corp., 2001 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 13 * the GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 18 */ 19 20 /* 21 * NAME 22 * signal02.c 23 * 24 * DESCRIPTION 25 * signal02 - Test that we get an error using illegal signals 26 * 27 * ALGORITHM 28 * loop if that option was specified 29 * issue the system call 30 * check the return value 31 * if return value != -1 32 * issue a FAIL message, break remaining tests and cleanup 33 * if we get an EINVAL 34 * issue a PASS message 35 * else 36 * issue a FAIL message, break remaining tests and cleanup 37 * call cleanup 38 * 39 * USAGE: <for command-line> 40 * signal02 [-c n] [-e] [-i n] [-I x] [-p x] [-t] 41 * where, -c n : Run n copies concurrently. 42 * -e : Turn on error logging. 43 * -i n : Execute test n times. 44 * -I x : Execute test for x seconds. 45 * -P x : Pause for x seconds between iterations. 46 * -t : Turn on syscall timing. 47 * 48 * History 49 * 07/2001 John George 50 * -Ported 51 * 52 * Restrictions 53 * none 54 */ 55 56 #include "test.h" 57 58 #include <errno.h> 59 #include <signal.h> 60 61 void cleanup(void); 62 void setup(void); 63 64 char *TCID = "signal02"; 65 int TST_TOTAL = 3; 66 67 typedef void (*sighandler_t) (int); 68 69 sighandler_t Tret; 70 int sigs[] = { _NSIG + 1, SIGKILL, SIGSTOP }; 71 72 int main(int ac, char **av) 73 { 74 int lc; 75 int i; 76 77 tst_parse_opts(ac, av, NULL, NULL); 78 79 setup(); /* global setup */ 80 81 /* The following loop checks looping state if -i option given */ 82 83 for (lc = 0; TEST_LOOPING(lc); lc++) { 84 /* reset tst_count in case we are looping */ 85 tst_count = 0; 86 87 /* 88 * There are three cases where we should get an EINVAL 89 */ 90 for (i = 0; i < TST_TOTAL; i++) { 91 92 errno = 0; 93 Tret = signal(sigs[i], SIG_IGN); 94 TEST_ERRNO = errno; 95 96 if (Tret != SIG_ERR) { 97 tst_brkm(TFAIL, cleanup, "%s call failed - " 98 "errno = %d : %s", TCID, TEST_ERRNO, 99 strerror(TEST_ERRNO)); 100 } 101 102 switch (TEST_ERRNO) { 103 case EINVAL: 104 tst_resm(TPASS, "expected failure - errno = " 105 "%d - %s", TEST_ERRNO, 106 strerror(TEST_ERRNO)); 107 break; 108 default: 109 tst_resm(TFAIL, "call failed to produce " 110 "expected error - errno = %d " 111 "- %s", TEST_ERRNO, 112 strerror(TEST_ERRNO)); 113 } 114 } 115 tst_count++; /* incr. TEST_LOOP counter */ 116 } 117 118 cleanup(); 119 120 tst_exit(); 121 122 } 123 124 /* 125 * setup() - performs all the ONE TIME setup for this test. 126 */ 127 void setup(void) 128 { 129 130 tst_sig(NOFORK, DEF_HANDLER, cleanup); 131 132 TEST_PAUSE; 133 } 134 135 /* 136 * cleanup() - performs all the ONE TIME cleanup for this test at completion 137 * or premature exit. 138 */ 139 void cleanup(void) 140 { 141 142 } 143
