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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:        socketpair02.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=77d2720059618b9b6e827a8b73831eb6c6fad63c */
     28 /*                                                                            */
     29 /* Usage:  <for command-line>                                                 */
     30 /* socketpair02 [-c n] [-e][-i n] [-I x] [-p x] [-t]                          */
     31 /*      where,  -c n : Run n copies concurrently.                             */
     32 /*              -e   : Turn on errno logging.                                 */
     33 /*              -i n : Execute test n times.                                  */
     34 /*              -I x : Execute test for x seconds.                            */
     35 /*              -P x : Pause for x seconds between iterations.                */
     36 /*              -t   : Turn on syscall timing.                                */
     37 /*                                                                            */
     38 /* Total Tests: 1                                                             */
     39 /*                                                                            */
     40 /* Test Name:   socketpair02                                                  */
     41 /*                                                                            */
     42 /* Author:      Ulrich Drepper <drepper (at) redhat.com>                           */
     43 /*                                                                            */
     44 /* History:     Created - Jan 13 2009 - Ulrich Drepper <drepper (at) redhat.com>   */
     45 /*              Ported to LTP                                                 */
     46 /*                      - Jan 13 2009 - Subrata <subrata (at) linux.vnet.ibm.com>  */
     47 /******************************************************************************/
     48 #include <fcntl.h>
     49 #include <pthread.h>
     50 #include <stdio.h>
     51 #include <unistd.h>
     52 #include <netinet/in.h>
     53 #include <sys/socket.h>
     54 #include <sys/syscall.h>
     55 
     56 #include "test.h"
     57 
     58 #ifndef SOCK_NONBLOCK
     59 #define SOCK_NONBLOCK O_NONBLOCK
     60 #endif
     61 
     62 int TST_TOTAL = 2;
     63 char *TCID = "socketpair02";
     64 
     65 /* Extern Global Functions */
     66 /******************************************************************************/
     67 /*                                                                            */
     68 /* Function:    cleanup                                                       */
     69 /*                                                                            */
     70 /* Description: Performs all one time clean up for this test on successful    */
     71 /*              completion,  premature exit or  failure. Closes all temporary */
     72 /*              files, removes all temporary directories exits the test with  */
     73 /*              appropriate return code by calling tst_exit() function.       */
     74 /*                                                                            */
     75 /* Input:       None.                                                         */
     76 /*                                                                            */
     77 /* Output:      None.                                                         */
     78 /*                                                                            */
     79 /* Return:      On failure - Exits calling tst_exit(). Non '0' return code.   */
     80 /*              On success - Exits calling tst_exit(). With '0' return code.  */
     81 /*                                                                            */
     82 /******************************************************************************/
     83 void cleanup(void)
     84 {
     85 
     86 	tst_rmdir();
     87 }
     88 
     89 /* Local  Functions */
     90 /******************************************************************************/
     91 /*                                                                            */
     92 /* Function:    setup                                                         */
     93 /*                                                                            */
     94 /* Description: Performs all one time setup for this test. This function is   */
     95 /*              typically used to capture signals, create temporary dirs      */
     96 /*              and temporary files that may be used in the course of this    */
     97 /*              test.                                                         */
     98 /*                                                                            */
     99 /* Input:       None.                                                         */
    100 /*                                                                            */
    101 /* Output:      None.                                                         */
    102 /*                                                                            */
    103 /* Return:      On failure - Exits by calling cleanup().                      */
    104 /*              On success - returns 0.                                       */
    105 /*                                                                            */
    106 /******************************************************************************/
    107 void setup(void)
    108 {
    109 	/* Capture signals if any */
    110 	/* Create temporary directories */
    111 	TEST_PAUSE;
    112 	tst_tmpdir();
    113 }
    114 
    115 int main(int argc, char *argv[])
    116 {
    117 	int fds[2], fl, i;
    118 
    119 	if ((tst_kvercmp(2, 6, 27)) < 0) {
    120 		tst_brkm(TCONF, NULL,
    121 			 "This test can only run on kernels that are 2.6.27 and higher");
    122 	}
    123 	setup();
    124 
    125 	if (socketpair(PF_UNIX, SOCK_STREAM, 0, fds) == -1) {
    126 		tst_brkm(TFAIL, cleanup, "socketpair(0) failed");
    127 	}
    128 	for (i = 0; i < ARRAY_SIZE(fds); i++) {
    129 		fl = fcntl(fds[i], F_GETFL);
    130 		if (fl == -1) {
    131 			tst_brkm(TBROK, cleanup, "fcntl failed");
    132 		}
    133 		if (fl & O_NONBLOCK) {
    134 			tst_brkm(TFAIL, cleanup,
    135 				 "socketpair(0) set non-blocking mode for fds[%d]",
    136 				 i);
    137 		}
    138 		close(fds[i]);
    139 	}
    140 
    141 	if (socketpair(PF_UNIX, SOCK_STREAM | SOCK_NONBLOCK, 0, fds) == -1) {
    142 		tst_brkm(TFAIL, cleanup, "socketpair(SOCK_NONBLOCK) failed");
    143 	}
    144 	for (i = 0; i < ARRAY_SIZE(fds); i++) {
    145 		fl = fcntl(fds[i], F_GETFL);
    146 		if (fl == -1) {
    147 			tst_brkm(TBROK, cleanup, "fcntl failed");
    148 		}
    149 		if ((fl & O_NONBLOCK) == 0) {
    150 			tst_brkm(TFAIL, cleanup,
    151 				 "socketpair(SOCK_NONBLOCK) didn't set non-blocking "
    152 				 "mode for fds[%d]", i);
    153 		}
    154 		close(fds[i]);
    155 	}
    156 	tst_resm(TPASS, "socketpair(SOCK_NONBLOCK) PASSED");
    157 	cleanup();
    158 	tst_exit();
    159 }
    160