text: /******************************************************************************/
  /*                                                                            */
  /* Copyright (c) Ulrich Drepper <drepper@redhat.com>                          */
  /* Copyright (c) International Business Machines  Corp., 2009                 */
  /*                                                                            */
  /* This program is free software;  you can redistribute it and/or modify      */
  /* it under the terms of the GNU General Public License as published by       */
  /* the Free Software Foundation; either version 2 of the License, or          */
  /* (at your option) any later version.                                        */
  /*                                                                            */
  /* This program is distributed in the hope that it will be useful,            */
  /* but WITHOUT ANY WARRANTY;  without even the implied warranty of            */
  /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See                  */
  /* the GNU General Public License for more details.                           */
  /*                                                                            */
  /* You should have received a copy of the GNU General Public License          */
  /* along with this program;  if not, write to the Free Software               */
  /* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA    */
  /*                                                                            */
  /******************************************************************************/
  /******************************************************************************/
  /*                                                                            */
  /* File:        dup3_01.c                                                     */
  /*                                                                            */
  /* Description: This Program tests the new system call introduced in 2.6.27.  */
  /*              Ulrich´s comment as in:                                       */
  /* http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=336dd1f70ff62d7dd8655228caed4c5bfc818c56 */
  /*              says:                                                         */
  /* This patch adds the new dup3 syscall.  It extends the old dup2 syscall by  */
  /* one parameter which is meant to hold a flag value.  Support for the        */
  /* O_CLOEXEC flag is added in this patch. The following test must be adjusted */
  /* for architectures other than x86 and x86-64 and in case the                */
  /* syscall numbers changed.                                                   */
  /*                                                                            */
  /* Usage:  <for command-line>                                                 */
  /* dup3_01 [-c n] [-e][-i n] [-I x] [-p x] [-t]                               */
  /*      where,  -c n : Run n copies concurrently.                             */
  /*              -e   : Turn on errno logging.                                 */
  /*              -i n : Execute test n times.                                  */
  /*              -I x : Execute test for x seconds.                            */
  /*              -P x : Pause for x seconds between iterations.                */
  /*              -t   : Turn on syscall timing.                                */
  /*                                                                            */
  /* Total Tests: 1                                                             */
  /*                                                                            */
  /* Test Name:   dup3_01                                                       */
  /*                                                                            */
  /* Author:      Ulrich Drepper <drepper@redhat.com>                           */
  /*                                                                            */
  /* History:     Created - Jan 13 2009 - Ulrich Drepper <drepper@redhat.com>   */
  /*              Ported to LTP                                                 */
  /*                      - Jan 13 2009 - Subrata <subrata@linux.vnet.ibm.com>  */
  /******************************************************************************/
  #include <fcntl.h>
  #include <stdio.h>
  #include <time.h>
  #include <unistd.h>
  #include <sys/syscall.h>
  #include <errno.h>
  
  #include "test.h"
  #include "lapi/fcntl.h"
  #include "lapi/syscalls.h"
  
  char *TCID = "dup3_01";
  int TST_TOTAL = 1;
  
  void cleanup(void)
  {
  	tst_rmdir();
  }
  
  void setup(void)
  {
  	TEST_PAUSE;
  	tst_tmpdir();
  }
  
  int main(int argc, char *argv[])
  {
  	int fd, coe;
  
  	tst_parse_opts(argc, argv, NULL, NULL);
  
  	if ((tst_kvercmp(2, 6, 27)) < 0)
  		tst_brkm(TCONF, NULL,
  			 "This test can only run on kernels that are 2.6.27 and higher");
  	setup();
  
  	fd = ltp_syscall(__NR_dup3, 1, 4, 0);
  	if (fd == -1) {
  		tst_brkm(TFAIL | TERRNO, cleanup, "dup3(0) failed");
  	}
  	coe = fcntl(fd, F_GETFD);
  	if (coe == -1) {
  		tst_brkm(TBROK | TERRNO, cleanup, "fcntl failed");
  	}
  	if (coe & FD_CLOEXEC) {
  		tst_brkm(TFAIL, cleanup, "dup3(0) set close-on-exec flag");
  	}
  	close(fd);
  
  	fd = ltp_syscall(__NR_dup3, 1, 4, O_CLOEXEC);
  	if (fd == -1) {
  		tst_brkm(TFAIL | TERRNO, cleanup, "dup3(O_CLOEXEC) failed");
  	}
  	coe = fcntl(fd, F_GETFD);
  	if (coe == -1) {
  		tst_brkm(TBROK | TERRNO, cleanup, "fcntl failed");
  	}
  	if ((coe & FD_CLOEXEC) == 0) {
  		tst_brkm(TFAIL, cleanup,
  			 "dup3(O_CLOEXEC) set close-on-exec flag");
  	}
  	close(fd);
  	tst_resm(TPASS, "dup3(O_CLOEXEC) PASSED");
  
  	cleanup();
  	tst_exit();
  }
  