1 /******************************************************************************/
2 /*                                                                            */
3 /* Copyright (c) Ulrich Drepper <drepper@redhat.com>                          */
4 /* Copyright (c) International Business Machines  Corp., 2009                 */
5 /*                                                                            */
6 /* This program is free software;  you can redistribute it and/or modify      */
7 /* it under the terms of the GNU General Public License as published by       */
8 /* the Free Software Foundation; either version 2 of the License, or          */
9 /* (at your option) any later version.                                        */
10 /*                                                                            */
11 /* This program is distributed in the hope that it will be useful,            */
12 /* but WITHOUT ANY WARRANTY;  without even the implied warranty of            */
13 /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See                  */
14 /* the GNU General Public License for more details.                           */
15 /*                                                                            */
16 /* You should have received a copy of the GNU General Public License          */
17 /* along with this program;  if not, write to the Free Software               */
18 /* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA    */
19 /*                                                                            */
20 /******************************************************************************/
21 /******************************************************************************/
22 /*                                                                            */
23 /* File:        inotify_init1_01.c                                            */
24 /*                                                                            */
25 /* Description: This Program tests the new system call introduced in 2.6.27.  */
26 /*              Ulrich´s comment as in:                                       */
27 /* http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=4006553b06306b34054529477b06b68a1c66249b */
28 /*              says:                                                         */
29 /* This patch introduces the new syscall inotify_init1 (note: the 1 stands for*/
30 /* the one parameter the syscall takes, as opposed to no parameter before).   */
31 /* The values accepted for this parameter are function-specific and defined in*/
32 /* the inotify.h header.  Here the values must match the O_* flags, though.   */
33 /* In this patch CLOEXEC support is introduced.                               */
34 /*                The following test must be adjusted for architectures other */
35 /* than x86 and x86-64 and in case the syscall numbers changed.               */
36 /*                                                                            */
37 /* Usage:  <for command-line>                                                 */
38 /* inotify_init1_01 [-c n] [-e][-i n] [-I x] [-p x] [-t]                      */
39 /*      where,  -c n : Run n copies concurrently.                             */
40 /*              -e   : Turn on errno logging.                                 */
41 /*              -i n : Execute test n times.                                  */
42 /*              -I x : Execute test for x seconds.                            */
43 /*              -P x : Pause for x seconds between iterations.                */
44 /*              -t   : Turn on syscall timing.                                */
45 /*                                                                            */
46 /* Total Tests: 1                                                             */
47 /*                                                                            */
48 /* Test Name:   inotify_init1_01                                                      */
49 /*                                                                            */
50 /* Author:      Ulrich Drepper <drepper@redhat.com>                           */
51 /*                                                                            */
52 /* History:     Created - Jan 13 2009 - Ulrich Drepper <drepper@redhat.com>   */
53 /*              Ported to LTP                                                 */
54 /*                      - Jan 13 2009 - Subrata <subrata@linux.vnet.ibm.com>  */
55 /******************************************************************************/
56 #include <fcntl.h>
57 #include <stdio.h>
58 #include <unistd.h>
59 #include <sys/syscall.h>
60 #include <errno.h>
61 
62 #include "test.h"
63 #include "lapi/fcntl.h"
64 #include "lapi/syscalls.h"
65 
66 #define IN_CLOEXEC O_CLOEXEC
67 
68 char *TCID = "inotify_init1_01";
69 int testno;
70 int TST_TOTAL = 1;
71 
72 /* Extern Global Functions */
73 /******************************************************************************/
74 /*                                                                            */
75 /* Function:    cleanup                                                       */
76 /*                                                                            */
77 /* Description: Performs all one time clean up for this test on successful    */
78 /*              completion,  premature exit or  failure. Closes all temporary */
79 /*              files, removes all temporary directories exits the test with  */
80 /*              appropriate return code by calling tst_exit() function.       */
81 /*                                                                            */
82 /* Input:       None.                                                         */
83 /*                                                                            */
84 /* Output:      None.                                                         */
85 /*                                                                            */
86 /* Return:      On failure - Exits calling tst_exit(). Non '0' return code.   */
87 /*              On success - Exits calling tst_exit(). With '0' return code.  */
88 /*                                                                            */
89 /******************************************************************************/
cleanup(void)90 void cleanup(void)
91 {
92 
93 	tst_rmdir();
94 }
95 
96 /* Local  Functions */
97 /******************************************************************************/
98 /*                                                                            */
99 /* Function:    setup                                                         */
100 /*                                                                            */
101 /* Description: Performs all one time setup for this test. This function is   */
102 /*              typically used to capture signals, create temporary dirs      */
103 /*              and temporary files that may be used in the course of this    */
104 /*              test.                                                         */
105 /*                                                                            */
106 /* Input:       None.                                                         */
107 /*                                                                            */
108 /* Output:      None.                                                         */
109 /*                                                                            */
110 /* Return:      On failure - Exits by calling cleanup().                      */
111 /*              On success - returns 0.                                       */
112 /*                                                                            */
113 /******************************************************************************/
setup(void)114 void setup(void)
115 {
116 	/* Capture signals if any */
117 	/* Create temporary directories */
118 	TEST_PAUSE;
119 	tst_tmpdir();
120 }
121 
main(int argc,char * argv[])122 int main(int argc, char *argv[])
123 {
124 	int fd, coe;
125 	int lc;
126 
127 	tst_parse_opts(argc, argv, NULL, NULL);
128 
129 	if ((tst_kvercmp(2, 6, 27)) < 0) {
130 		tst_brkm(TCONF, NULL,
131 			 "This test can only run on kernels that are 2.6.27 "
132 			 "and higher");
133 	}
134 	setup();
135 
136 	for (lc = 0; TEST_LOOPING(lc); ++lc) {
137 		tst_count = 0;
138 		for (testno = 0; testno < TST_TOTAL; ++testno) {
139 			fd = ltp_syscall(__NR_inotify_init1, 0);
140 			if (fd == -1) {
141 				tst_brkm(TFAIL | TERRNO, cleanup,
142 					 "inotify_init1(0) failed");
143 			}
144 			coe = fcntl(fd, F_GETFD);
145 			if (coe == -1) {
146 				tst_brkm(TBROK | TERRNO, cleanup,
147 					 "fcntl failed");
148 			}
149 			if (coe & FD_CLOEXEC) {
150 				tst_brkm(TFAIL, cleanup,
151 					 "inotify_init1(0) set close-on-exit");
152 			}
153 			close(fd);
154 
155 			fd = ltp_syscall(__NR_inotify_init1, IN_CLOEXEC);
156 			if (fd == -1) {
157 				tst_brkm(TFAIL | TERRNO, cleanup,
158 					 "inotify_init1(IN_CLOEXEC) failed");
159 			}
160 			coe = fcntl(fd, F_GETFD);
161 			if (coe == -1) {
162 				tst_resm(TBROK | TERRNO, "fcntl failed");
163 			} else if ((coe & FD_CLOEXEC) == 0) {
164 				tst_resm(TFAIL,
165 					 "inotify_init1(O_CLOEXEC) did not "
166 					 "set close-on-exit");
167 			} else {
168 				close(fd);
169 				tst_resm(TPASS, "inotify_init1(O_CLOEXEC) "
170 					 "PASSED");
171 			}
172 		}
173 	}
174 	tst_exit();
175 	cleanup();
176 }
177