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 * getpgid02.c 23 * 24 * DESCRIPTION 25 * Testcase to check the basic functionality of getpgid(). 26 * 27 * ALGORITHM 28 * test 1: Does getpgid(-99) and expects ESRCH. 29 * test 2: Searches an unused pid and expects ESRCH. 30 * 31 * USAGE: <for command-line> 32 * getpgid02 [-c n] [-e] [-i n] [-I x] [-P x] [-t] 33 * where, -c n : Run n copies concurrently. 34 * -e : Turn on errno logging. 35 * -i n : Execute test n times. 36 * -I x : Execute test for x seconds. 37 * -P x : Pause for x seconds between iterations. 38 * -t : Turn on syscall timing. 39 * 40 * HISTORY 41 * 07/2001 Ported by Wayne Boyer 42 * 43 * RESTRICTIONS 44 * none 45 */ 46 #define _GNU_SOURCE 1 47 48 #include <errno.h> 49 #include <unistd.h> 50 #include <stdarg.h> 51 #include <sys/wait.h> 52 #include <sys/types.h> 53 #include "test.h" 54 55 void setup(void); 56 void cleanup(void); 57 58 char *TCID = "getpgid02"; 59 int TST_TOTAL = 2; 60 61 int pgid_0, pgid_1; 62 #define BADPID -99 63 64 struct test_case_t { 65 int *id; 66 int error; 67 } TC[] = { 68 /* The pid value is negative */ 69 { 70 &pgid_0, ESRCH}, 71 /* The pid value does not match any process */ 72 { 73 &pgid_1, ESRCH} 74 }; 75 76 int main(int ac, char **av) 77 { 78 int lc; 79 int i; 80 81 tst_parse_opts(ac, av, NULL, NULL); 82 83 setup(); 84 85 for (lc = 0; TEST_LOOPING(lc); lc++) { 86 /* reset tst_count in case we are looping */ 87 tst_count = 0; 88 89 /* loop through the test cases */ 90 for (i = 0; i < TST_TOTAL; i++) { 91 92 TEST(getpgid(*TC[i].id)); 93 94 if (TEST_RETURN != -1) { 95 tst_resm(TFAIL, "call succeeded unexpectedly"); 96 continue; 97 } 98 99 if (TEST_ERRNO == TC[i].error) { 100 tst_resm(TPASS, "expected failure - " 101 "errno = %d : %s", TEST_ERRNO, 102 strerror(TEST_ERRNO)); 103 } else { 104 tst_resm(TFAIL, "unexpected error - %d : %s - " 105 "expected %d", TEST_ERRNO, 106 strerror(TEST_ERRNO), TC[i].error); 107 } 108 } 109 } 110 cleanup(); 111 112 tst_exit(); 113 } 114 115 /* 116 * setup() - performs all ONE TIME setup for this test. 117 */ 118 void setup(void) 119 { 120 121 tst_sig(NOFORK, DEF_HANDLER, cleanup); 122 123 TEST_PAUSE; 124 125 pgid_0 = BADPID; 126 127 pgid_1 = tst_get_unused_pid(cleanup); 128 } 129 130 /* 131 * cleanup() - performs all ONE TIME cleanup for this test at 132 * completion or premature exit. 133 */ 134 void cleanup(void) 135 { 136 137 } 138