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      1 /******************************************************************************/
      2 /*                                                                            */
      3 /* Copyright (c) Ulrich Drepper <drepper (at) 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 /*              Ulrichs 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 (at) redhat.com>                           */
     51 /*                                                                            */
     52 /* History:     Created - Jan 13 2009 - Ulrich Drepper <drepper (at) redhat.com>   */
     53 /*              Ported to LTP                                                 */
     54 /*                      - Jan 13 2009 - Subrata <subrata (at) 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 /******************************************************************************/
     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 /******************************************************************************/
    114 void setup(void)
    115 {
    116 	/* Capture signals if any */
    117 	/* Create temporary directories */
    118 	TEST_PAUSE;
    119 	tst_tmpdir();
    120 }
    121 
    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