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 * Test Name: get_robust_list01 22 * 23 * Test Description: 24 * Verify that get_robust_list() returns the proper errno for various failure 25 * cases 26 * 27 * Usage: <for command-line> 28 * get_robust_list01 [-c n] [-e][-i n] [-I x] [-p x] [-t] 29 * where, -c n : Run n copies concurrently. 30 * -e : Turn on errno logging. 31 * -i n : Execute test n times. 32 * -I x : Execute test for x seconds. 33 * -P x : Pause for x seconds between iterations. 34 * -t : Turn on syscall timing. 35 * 36 * History 37 * 07/2008 Ramon de Carvalho Valle <rcvalle (at) br.ibm.com> 38 * -Created 39 * 40 * Restrictions: 41 * None. 42 * 43 */ 44 45 #include <sys/types.h> 46 #include <sys/syscall.h> 47 48 #include <errno.h> 49 #include <stdint.h> 50 #include <stdio.h> 51 #include <stdlib.h> 52 53 #include "test.h" 54 #include "safe_macros.h" 55 #include "lapi/syscalls.h" 56 57 char *TCID = "get_robust_list01"; 58 int TST_TOTAL = 5; 59 60 struct robust_list { 61 struct robust_list *next; 62 }; 63 64 struct robust_list_head { 65 struct robust_list list; 66 long futex_offset; 67 struct robust_list *list_op_pending; 68 }; 69 static pid_t unused_pid; 70 71 void setup(void); 72 void cleanup(void); 73 74 int main(int argc, char **argv) 75 { 76 int lc; 77 struct robust_list_head head; 78 size_t len_ptr; /* size of structure struct robust_list_head */ 79 80 tst_parse_opts(argc, argv, NULL, NULL); 81 82 setup(); 83 84 len_ptr = sizeof(struct robust_list_head); 85 86 for (lc = 0; TEST_LOOPING(lc); ++lc) { 87 tst_count = 0; 88 89 /* 90 * The get_robust_list function fails with EFAULT if the size of the 91 * struct robust_list_head can't be stored in the memory address space 92 * specified by len_ptr argument, or the head of the robust list can't 93 * be stored in the memory address space specified by the head_ptr 94 * argument. 95 */ 96 97 TEST(ltp_syscall(__NR_get_robust_list, 0, 98 (struct robust_list_head *)&head, 99 NULL)); 100 101 if (TEST_RETURN == -1) { 102 if (TEST_ERRNO == EFAULT) 103 tst_resm(TPASS, 104 "get_robust_list failed as expected with " 105 "EFAULT"); 106 else 107 tst_resm(TFAIL | TTERRNO, 108 "get_robust_list failed unexpectedly"); 109 } else 110 tst_resm(TFAIL, 111 "get_robust_list succeeded unexpectedly"); 112 113 TEST(ltp_syscall(__NR_get_robust_list, 0, 114 NULL, 115 &len_ptr)); 116 117 if (TEST_RETURN) { 118 if (TEST_ERRNO == EFAULT) 119 tst_resm(TPASS, 120 "get_robust_list failed as expected with " 121 "EFAULT"); 122 else 123 tst_resm(TFAIL | TTERRNO, 124 "get_robust_list failed unexpectedly"); 125 } else 126 tst_resm(TFAIL, 127 "get_robust_list succeeded unexpectedly"); 128 129 /* 130 * The get_robust_list function fails with ESRCH if it can't 131 * find the task specified by the pid argument. 132 */ 133 134 TEST(ltp_syscall(__NR_get_robust_list, unused_pid, 135 (struct robust_list_head *)&head, 136 &len_ptr)); 137 138 if (TEST_RETURN == -1) { 139 if (TEST_ERRNO == ESRCH) 140 tst_resm(TPASS, 141 "get_robust_list failed as expected with " 142 "ESRCH"); 143 else 144 tst_resm(TFAIL | TTERRNO, 145 "get_robust_list failed unexpectedly"); 146 } else 147 tst_resm(TFAIL, 148 "get_robust_list succeeded unexpectedly"); 149 150 TEST(ltp_syscall(__NR_get_robust_list, 0, 151 (struct robust_list_head **)&head, 152 &len_ptr)); 153 154 if (TEST_RETURN == 0) 155 tst_resm(TPASS, "get_robust_list succeeded"); 156 else 157 tst_resm(TFAIL | TTERRNO, 158 "get_robust_list failed unexpectedly"); 159 160 SAFE_SETUID(cleanup, 1); 161 162 TEST(ltp_syscall(__NR_get_robust_list, 1, 163 (struct robust_list_head *)&head, 164 &len_ptr)); 165 166 if (TEST_RETURN == -1) { 167 if (TEST_ERRNO == EPERM) 168 tst_resm(TPASS, 169 "get_robust_list failed as expected with " 170 "EPERM"); 171 else 172 tst_resm(TFAIL | TERRNO, 173 "get_robust_list failed unexpectedly"); 174 } else 175 tst_resm(TFAIL, 176 "get_robust_list succeeded unexpectedly"); 177 } 178 179 cleanup(); 180 181 tst_exit(); 182 } 183 184 void setup(void) 185 { 186 tst_require_root(); 187 188 unused_pid = tst_get_unused_pid(cleanup); 189 190 TEST_PAUSE; 191 } 192 193 void cleanup(void) 194 { 195 } 196
