robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * Copyright (c) International Business Machines Corp., 2002 |
| 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 |
Wanlong Gao | 4548c6c | 2012-10-19 18:03:36 +0800 | [diff] [blame] | 17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 18 | */ |
| 19 | |
| 20 | /* 11/12/2002 Port to LTP robbiew@us.ibm.com */ |
| 21 | /* 06/30/2001 Port to Linux nsharoff@us.ibm.com */ |
| 22 | |
| 23 | /* |
| 24 | * NAME |
| 25 | * rename14.c - create and rename files |
| 26 | * |
| 27 | * CALLS |
| 28 | * create, unlink, rename |
| 29 | * |
| 30 | * ALGORITHM |
| 31 | * Creates two processes. One creates and unlinks a file. |
| 32 | * The other renames that file. |
| 33 | * |
| 34 | */ |
| 35 | |
subrata_modak | bdbaec5 | 2009-02-26 12:14:51 +0000 | [diff] [blame] | 36 | #include <stdio.h> |
robbiew | a70576c | 2003-03-04 18:33:41 +0000 | [diff] [blame] | 37 | #include <errno.h> |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 38 | #include <signal.h> |
| 39 | #include <stdlib.h> |
| 40 | #include <unistd.h> |
| 41 | #include <wait.h> |
| 42 | #include <sys/types.h> |
| 43 | #include <sys/stat.h> |
| 44 | #include <fcntl.h> |
| 45 | |
| 46 | /** LTP Port **/ |
| 47 | #include "test.h" |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 48 | |
| 49 | #define FAILED 0 |
| 50 | #define PASSED 1 |
| 51 | |
| 52 | int local_flag = PASSED; |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 53 | |
Cyril Hrubis | fdce7d5 | 2013-04-04 18:35:48 +0200 | [diff] [blame] | 54 | char *TCID = "rename14"; |
| 55 | int TST_TOTAL = 1; |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 56 | /**************/ |
| 57 | |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 58 | #define RUNTIME 45 |
| 59 | |
| 60 | int kidpid[2]; |
| 61 | int parent_pid; |
| 62 | |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 63 | int main(int argc, char *argv[]) |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 64 | { |
subrata_modak | 48f2031 | 2007-04-19 06:24:06 +0000 | [diff] [blame] | 65 | int pid; |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 66 | sigset_t set; |
| 67 | struct sigaction act, oact; |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 68 | int term(); |
| 69 | int al(); |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 70 | void dochild1(); |
| 71 | void dochild2(); |
| 72 | |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 73 | #ifdef UCLINUX |
Cyril Hrubis | 0b9589f | 2014-05-27 17:40:33 +0200 | [diff] [blame] | 74 | const char *msg; |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 75 | |
Garrett Cooper | 5374050 | 2010-12-16 00:04:01 -0800 | [diff] [blame] | 76 | if ((msg = parse_opts(argc, argv, NULL, NULL)) != NULL) |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 77 | tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 78 | |
| 79 | maybe_run_child(&dochild1, "n", 1); |
| 80 | maybe_run_child(&dochild2, "n", 2); |
| 81 | #endif |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 82 | sigemptyset(&set); |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 83 | act.sa_handler = (void (*)())term; |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 84 | act.sa_mask = set; |
| 85 | act.sa_flags = 0; |
| 86 | if (sigaction(SIGTERM, &act, &oact)) { |
Cyril Hrubis | 526fdf8 | 2014-12-04 14:35:01 +0100 | [diff] [blame] | 87 | tst_brkm(TBROK, NULL, "Sigaction(SIGTERM)"); |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 88 | } |
| 89 | |
| 90 | sigemptyset(&set); |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 91 | act.sa_handler = (void (*)())al; |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 92 | act.sa_mask = set; |
| 93 | act.sa_flags = 0; |
| 94 | if (sigaction(SIGALRM, &act, 0)) { |
Cyril Hrubis | 526fdf8 | 2014-12-04 14:35:01 +0100 | [diff] [blame] | 95 | tst_brkm(TBROK, NULL, "Sigaction(SIGALRM)"); |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 96 | } |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 97 | parent_pid = getpid(); |
| 98 | tst_tmpdir(); |
| 99 | /*--------------------------------------------------------------*/ |
| 100 | |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 101 | pid = FORK_OR_VFORK(); |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 102 | if (pid < 0) { |
Cyril Hrubis | 526fdf8 | 2014-12-04 14:35:01 +0100 | [diff] [blame] | 103 | tst_brkm(TBROK, NULL, "fork() returned %d", pid); |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 104 | } |
| 105 | if (pid == 0) { |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 106 | #ifdef UCLINUX |
| 107 | if (self_exec(argv[0], "n", 1) < 0) { |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 108 | tst_resm(TBROK, "self_exec failed"); |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 109 | } |
| 110 | #else |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 111 | dochild1(); |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 112 | #endif |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 113 | } |
| 114 | kidpid[0] = pid; |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 115 | pid = FORK_OR_VFORK(); |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 116 | if (pid < 0) { |
| 117 | (void)kill(kidpid[0], SIGTERM); |
| 118 | (void)unlink("./rename14"); |
Cyril Hrubis | 526fdf8 | 2014-12-04 14:35:01 +0100 | [diff] [blame] | 119 | tst_brkm(TBROK, NULL, "fork() returned %d", pid); |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 120 | } |
| 121 | if (pid == 0) { |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 122 | #ifdef UCLINUX |
| 123 | if (self_exec(argv[0], "n", 1) < 0) { |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 124 | tst_resm(TBROK, "self_exec failed"); |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 125 | } |
| 126 | #else |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 127 | dochild2(); |
robbiew | d34d581 | 2005-07-11 22:28:09 +0000 | [diff] [blame] | 128 | #endif |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 129 | } |
| 130 | kidpid[1] = pid; |
| 131 | |
| 132 | alarm(RUNTIME); |
| 133 | |
| 134 | /* Collect child processes. */ |
mreed10 | 9e9306f | 2007-02-28 16:17:16 +0000 | [diff] [blame] | 135 | /* Wait for timeout */ |
| 136 | pause(); |
subrata_modak | 4bb656a | 2009-02-26 12:02:09 +0000 | [diff] [blame] | 137 | |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 138 | kill(kidpid[0], SIGTERM); |
| 139 | kill(kidpid[1], SIGTERM); |
| 140 | |
subrata_modak | 8bf4e96 | 2008-03-14 16:22:27 +0000 | [diff] [blame] | 141 | waitpid(kidpid[0], NULL, 0); |
| 142 | waitpid(kidpid[1], NULL, 0); |
| 143 | |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 144 | unlink("./rename14"); |
| 145 | unlink("./rename14xyz"); |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 146 | (local_flag == PASSED) ? tst_resm(TPASS, "Test Passed") |
| 147 | : tst_resm(TFAIL, "Test Failed"); |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 148 | |
| 149 | tst_rmdir(); |
Garrett Cooper | 5374050 | 2010-12-16 00:04:01 -0800 | [diff] [blame] | 150 | tst_exit(); |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 151 | } |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 152 | |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 153 | /* FUNCTIONS GO HERE */ |
| 154 | |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 155 | int term(void) |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 156 | { |
| 157 | if (parent_pid != getpid()) |
| 158 | exit(0); |
| 159 | if (kidpid[0]) |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 160 | return (kill(kidpid[0], SIGTERM)); |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 161 | if (kidpid[1]) |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 162 | return (kill(kidpid[1], SIGTERM)); |
| 163 | return 0; |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 164 | } |
| 165 | |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 166 | int al(void) |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 167 | { |
| 168 | if (kidpid[0]) |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 169 | return (kill(kidpid[0], SIGTERM)); |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 170 | if (kidpid[1]) |
subrata_modak | 56207ce | 2009-03-23 13:35:39 +0000 | [diff] [blame] | 171 | return (kill(kidpid[1], SIGTERM)); |
| 172 | return 0; |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 173 | } |
| 174 | |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 175 | void dochild1(void) |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 176 | { |
| 177 | int fd; |
| 178 | |
| 179 | for (;;) { |
| 180 | fd = creat("./rename14", 0666); |
| 181 | unlink("./rename14"); |
| 182 | close(fd); |
| 183 | } |
| 184 | } |
| 185 | |
Mike Frysinger | c57fba5 | 2014-04-09 18:56:30 -0400 | [diff] [blame] | 186 | void dochild2(void) |
robbiew | d6c7b1f | 2002-12-04 18:41:18 +0000 | [diff] [blame] | 187 | { |
| 188 | for (;;) { |
| 189 | rename("./rename14", "./rename14xyz"); |
| 190 | } |
Chris Dearman | ec6edca | 2012-10-17 19:54:01 -0700 | [diff] [blame] | 191 | } |