testcases/kernel/pty/ptem01.c - platform/external/ltp - Gitiles

 /*
  *
  *   Copyright (c) International Business Machines  Corp., 2002
  *
  *   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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */

 /* 12/23/2002   Port to LTP     robbiew@us.ibm.com */
 /* 06/30/2001   Port to Linux   nsharoff@us.ibm.com */

 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdio.h>
 #include <termio.h>
 #include <sys/fcntl.h>
 #include <sys/stat.h>
 #include <sys/poll.h>
 #include <sys/types.h>

 #ifndef _GNU_SOURCE
 #define _GNU_SOURCE 1
 #endif

 /** LTP Port **/
 #include "test.h"
 #include "usctest.h"


 char *TCID="ptem01";            /* Test program identifier.    */
 int TST_TOTAL=6;                /* Total number of test cases. */
 extern int Tst_count;           /* Test Case counter for tst_* routines */
 /**************/


 /*
  * pty master clone device
  */
 #define MASTERCLONE "/dev/ptmx"

 #define BUFSZ 4096


 /*
  * test termio/termios ioctls
  */
 int
 test1(void)
 {
 	int masterfd, slavefd;
 	char *slavename;
 	struct termio termio;
 	struct termios termios;

 	masterfd = open(MASTERCLONE, O_RDWR);
 	if (masterfd < 0) {
 		tst_resm(TBROK,"%s",MASTERCLONE);
 		tst_exit();
 	}

 	slavename = ptsname(masterfd);
 	if (slavename == (char *)0) {
 		tst_resm(TBROK,"ptsname() call failed");
 		tst_exit();
 	}

 	if (grantpt(masterfd) != 0) {
 		tst_resm(TBROK,"grantpt() call failed");
 		tst_exit();
 	}

 	if (unlockpt(masterfd) != 0) {
 		tst_resm(TBROK,"unlockpt() call failed");
 		tst_exit();
 	}

 	if ((slavefd = open(slavename, O_RDWR)) < 0) {
 		tst_resm(TFAIL,"Could not open %s",slavename);
 		tst_exit();
 	}

 	if (ioctl(slavefd, TCGETS, &termios) != 0) {
 		tst_resm(TFAIL,"TCGETS");
 		tst_exit();
 	}

 	if (ioctl(slavefd, TCSETS, &termios) != 0) {
 		tst_resm(TFAIL,"TCSETS");
 		tst_exit();
 	}

 	if (ioctl(slavefd, TCSETSW, &termios) != 0) {
 		tst_resm(TFAIL,"TCSETSW");
 		tst_exit();
 	}

 	if (ioctl(slavefd, TCSETSF, &termios) != 0) {
 		tst_resm(TFAIL,"TCSETSF");
 		tst_exit();
 	}

 	if (ioctl(slavefd, TCSETS, &termios) != 0) {
 		tst_resm(TFAIL,"TCSETS");
 		tst_exit();
 	}

 	if (ioctl(slavefd, TCGETA, &termio) != 0) {
 		tst_resm(TFAIL,"TCGETA");
 		tst_exit();
 	}

 	if (ioctl(slavefd, TCSETA, &termio) != 0) {
 		tst_resm(TFAIL,"TCSETA");
 		tst_exit();
 	}

 	if (ioctl(slavefd, TCSETAW, &termio) != 0) {
 		tst_resm(TFAIL,"TCSETAW");
 		tst_exit();
 	}

 	if (ioctl(slavefd, TCSETAF, &termio) != 0) {
 		tst_resm(TFAIL,"TCSETAF");
 		tst_exit();
 	}

 	if (close(slavefd) != 0) {
 		tst_resm(TBROK,"close slave");
 		tst_exit();
 	}

 	if (close(masterfd) != 0) {
 		tst_resm(TBROK,"close master");
 		tst_exit();
 	}
 	tst_resm(TPASS,"test1");

 	/** NOT REACHED **/
 	return 0;
 }

 /*
  * test window size setting and getting
  */
 int
 test2(void)
 {
 	int masterfd, slavefd;
 	char *slavename;
 	struct winsize wsz;
 	struct winsize wsz1 = {24, 80, 5, 10};
 	struct winsize wsz2 = {60, 100, 11, 777};

 	masterfd = open(MASTERCLONE, O_RDWR);
 	if (masterfd < 0) {
 		tst_resm(TBROK,"%s",MASTERCLONE);
 		tst_exit();
 	}

 	slavename = ptsname(masterfd);
 	if (slavename == (char *)0) {
 		tst_resm(TBROK,"ptsname() call failed");
 		tst_exit();
 	}

 	if (grantpt(masterfd) != 0) {
 		tst_resm(TBROK,"grantpt() call failed");
 		tst_exit();
 	}

 	if (unlockpt(masterfd) != 0) {
 		tst_resm(TBROK,"unlockpt() call failed");
 		tst_exit();
 	}

 	if ((slavefd = open(slavename, O_RDWR)) < 0) {
 		tst_resm(TBROK,"Could not open %s",slavename);
 		tst_exit();
 	}


 	if (ioctl(masterfd, TIOCSWINSZ, &wsz1) != 0) {
 		tst_resm(TFAIL,"TIOCSWINSZ");
 		tst_exit();
 	}

 	if (ioctl(slavefd, TIOCGWINSZ, &wsz) != 0) {
 		tst_resm(TFAIL,"TIOCGWINSZ");
 		tst_exit();
 	}

 	if (wsz.ws_row != wsz1.ws_row || wsz.ws_col != wsz1.ws_col ||
 	    wsz.ws_xpixel != wsz1.ws_xpixel ||
 	    wsz.ws_ypixel != wsz1.ws_ypixel) {
 		tst_resm(TFAIL, "unexpected window size returned");
 		tst_exit();
 	}

 	if (ioctl(masterfd, TIOCGWINSZ, &wsz) != 0) {
 		tst_resm(TFAIL,"TIOCGWINSZ");
 		tst_exit();
 	}

 	if (wsz.ws_row != wsz1.ws_row || wsz.ws_col != wsz1.ws_col ||
 	    wsz.ws_xpixel != wsz1.ws_xpixel ||
 	    wsz.ws_ypixel != wsz1.ws_ypixel) {
 		tst_resm(TFAIL, "unexpected window size returned");
 		tst_exit();
 	}

 	if (ioctl(slavefd, TIOCSWINSZ, &wsz2) != 0) {
 		tst_resm(TFAIL,"TIOCSWINSZ");
 		tst_exit();
 	}

 	if (ioctl(slavefd, TIOCGWINSZ, &wsz) != 0) {
 		tst_resm(TFAIL,"TIOCGWINSZ");
 		tst_exit();
 	}

 	if (wsz.ws_row != wsz2.ws_row || wsz.ws_col != wsz2.ws_col ||
 	    wsz.ws_xpixel != wsz2.ws_xpixel ||
 	    wsz.ws_ypixel != wsz2.ws_ypixel) {
 		tst_resm(TFAIL, "unexpected window size returned");
 		tst_exit();
 	}

 	if (close(slavefd) != 0) {
 		tst_resm(TBROK,"close");
 		tst_exit();
 	}

 	if (close(masterfd) != 0) {
 		tst_resm(TBROK,"close");
 		tst_exit();
 	}
 	tst_resm(TPASS,"test2");

 	/** NOT REACHED **/
 	return 0;
 }

 /*
  * test sending a break
  */
 int
 test3(void)
 {
 	int masterfd, slavefd;
 	char *slavename;

 	masterfd = open(MASTERCLONE, O_RDWR);
 	if (masterfd < 0) {
 		tst_resm(TBROK,"%s",MASTERCLONE);
 		tst_exit();
 	}

 	slavename = ptsname(masterfd);
 	if (slavename == (char *)0) {
 		tst_resm(TBROK,"ptsname() call failed");
 		tst_exit();
 	}

 	if (grantpt(masterfd) != 0) {
 		tst_resm(TBROK,"grantpt() call failed");
 		tst_exit();
 	}

 	if (unlockpt(masterfd) != 0) {
 		tst_resm(TBROK,"unlockpt() call failed");
 		tst_exit();
 	}

 	if ((slavefd = open(slavename, O_RDWR)) < 0) {
 		tst_resm(TBROK,"Could not open %s",slavename);
 		tst_exit();
 	}

 	if (tcsendbreak(masterfd, 10) != 0) {
 		tst_resm(TFAIL,"tcsendbreak");
 		tst_exit();
 	}

 	if (tcsendbreak(slavefd, 10) != 0) {
 		tst_resm(TFAIL,"tcsendbreak");
 		tst_exit();
 	}

 	if (close(slavefd) != 0) {
 		tst_resm(TBROK,"close slave");
 		tst_exit();
 	}

 	if (close(masterfd) != 0) {
 		tst_resm(TBROK,"close master");
 		tst_exit();
 	}
 	tst_resm(TPASS,"test3");

 	/** NOT REACHED **/
 	return 0;
 }


 /*
  * test multiple opens of slave side
  */
 int
 test4(void)
 {
 	int masterfd, slavefd, slavefd2, slavefd3;
 	char *slavename;

 	masterfd = open(MASTERCLONE, O_RDWR);
 	if (masterfd < 0) {
 		tst_resm(TBROK,"%s",MASTERCLONE);
 		tst_exit();
 	}

 	slavename = ptsname(masterfd);
 	if (slavename == (char *)0) {
 		tst_resm(TBROK,"ptsname() call failed");
 		tst_exit();
 	}

 	if (grantpt(masterfd) != 0) {
 		tst_resm(TBROK,"grantpt() call failed");
 		tst_exit();
 	}

 	if (unlockpt(masterfd) != 0) {
 		tst_resm(TBROK,"unlockpt() call failed");
 		tst_exit();
 	}

 	if ((slavefd = open(slavename, O_RDWR)) < 0) {
 		tst_resm(TBROK,"Could not open %s",slavename);
 		tst_exit();
 	}

 	if ((slavefd2 = open(slavename, O_RDWR)) < 0) {
 		tst_resm(TFAIL,"Could not open %s (again)",slavename);
 		tst_exit();
 	}

 	if ((slavefd3 = open(slavename, O_RDWR)) < 0) {
 		tst_resm(TFAIL,"Could not open %s (once more)",slavename);
 		tst_exit();
 	}

 	if (close(slavefd) != 0) {
 		tst_resm(TBROK,"close slave");
 		tst_exit();
 	}
 	if (close(slavefd2) != 0) {
 		tst_resm(TBROK,"close slave again");
 		tst_exit();
 	}
 	if (close(slavefd3) != 0) {
 		tst_resm(TBROK,"close slave once more");
 		tst_exit();
 	}
 	if (close(masterfd) != 0) {
 		tst_resm(TBROK,"close master");
 		tst_exit();
 	}
 	tst_resm(TPASS,"test4");

 	/** NOT REACHED **/
 	return 0;
 }

 #define NUMOPENS 6

 /*
  * test several simultaneous opens
  */
 int
 test5(void)
 {
 	static int masterfd[NUMOPENS];
 	static int slavefd[NUMOPENS];
 	char *slavename;
 	int i;

 	for (i = 0; i < NUMOPENS; ++i) {
 		masterfd[i] = open(MASTERCLONE, O_RDWR);
 		if (masterfd[i] < 0) {
 			tst_resm(TBROK,"%s",MASTERCLONE);
 			tst_resm(TBROK, "out of ptys");
 			for (i = 0; i < NUMOPENS; ++i) {
 				if (masterfd[i] != 0) {
 					(void) close(masterfd[i]);
 				}
 				if (slavefd[i] != 0) {
 					(void) close(slavefd[i]);
 				}
 			}
 			tst_exit();
 		}

 		slavename = ptsname(masterfd[i]);
 		if (slavename == (char *)0) {
 			tst_resm(TBROK,"ptsname() call failed");
 			tst_exit();
 		}

 		if (grantpt(masterfd[i]) != 0) {
 			tst_resm(TBROK,"grantpt() call failed");
 			tst_exit();
 		}

 		if (unlockpt(masterfd[i]) != 0) {
 			tst_resm(TBROK,"unlockpt() call failed");
 			tst_exit();
 		}

 		if ((slavefd[i] = open(slavename, O_RDWR)) < 0) {
 			tst_resm(TFAIL,"Iteration %d: Could not open %s",i,slavename);
 			tst_exit();
 		}

 	}

 	for (i = 0; i < NUMOPENS; ++i) {
 		if (close(slavefd[i]) != 0) {
 			tst_resm(TBROK,"Iteration %d: close slave",i);
 			tst_exit();
 		}
 		if (close(masterfd[i]) != 0) {
 			tst_resm(TBROK,"close master");
 			tst_exit();
 		}
 	}
 	tst_resm(TPASS,"test5");

 	/** NOT REACHED **/
 	return 0;
 }


 /*
  * test hangup semantics
  */
 int
 test6(void)
 {
 	static int masterfd;
 	static int slavefd;
 	char *slavename;
 	struct termios termios;

 	masterfd = open(MASTERCLONE, O_RDWR);
 	if (masterfd < 0) {
 		tst_resm(TBROK,"%s",MASTERCLONE);
 		tst_exit();
 	}

 	slavename = ptsname(masterfd);
 	if (slavename == (char *)0) {
 		tst_resm(TBROK,"ptsname() call failed");
 		tst_exit();
 	}

 	if (grantpt(masterfd) != 0) {
 		tst_resm(TBROK,"grantpt() call failed");
 		tst_exit();
 	}

 	if (unlockpt(masterfd) != 0) {
 		tst_resm(TBROK,"unlockpt() call failed");
 		tst_exit();
 	}

 	if ((slavefd = open(slavename, O_RDWR)) < 0) {
 		tst_resm(TBROK,"Could not open %s",slavename);
 		tst_exit();
 	}

 	if (ioctl(slavefd, TCGETS, &termios) != 0) {
 		tst_resm(TFAIL,"TCGETS");
 		tst_exit();
 	}

 	termios.c_cflag &= ~CBAUD;
 	termios.c_cflag |= B0&CBAUD;
 	if (ioctl(slavefd, TCSETS, &termios) != 0) {
 		tst_resm(TFAIL,"TCGETS");
 		tst_exit();
 	}

 	if (close(slavefd) != 0) {
 		tst_resm(TBROK,"close");
 		tst_exit();
 	}
 	if (close(masterfd) != 0) {
 		tst_resm(TBROK,"close");
 		tst_exit();
 	}
 	tst_resm(TPASS,"test6");

 	/** NOT REACHED **/
 	return 0;
 }

 /*
  * main test driver
  */
 int
 main(int argc, char **argv)
 {
 	test1();
 	test2();
 	test3();
 	test4();
 	test5();
 	test6();
 	/*
  	 * all done
 	 */
 	tst_exit();
 	/*NOTREACHED*/
 	return 0;
 }
	/*
	*
	* Copyright (c) International Business Machines Corp., 2002
	*
	* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	*/

	/* 12/23/2002 Port to LTP robbiew@us.ibm.com */
	/* 06/30/2001 Port to Linux nsharoff@us.ibm.com */

	#include <errno.h>
	#include <stdio.h>
	#include <stdlib.h>
	#include <stdio.h>
	#include <termio.h>
	#include <sys/fcntl.h>
	#include <sys/stat.h>
	#include <sys/poll.h>
	#include <sys/types.h>

	#ifndef _GNU_SOURCE
	#define _GNU_SOURCE 1
	#endif

	/ LTP Port /
	#include "test.h"
	#include "usctest.h"


	char TCID="ptem01"; / Test program identifier. */
	int TST_TOTAL=6; /* Total number of test cases. */
	extern int Tst_count; /* Test Case counter for tst_* routines */
	/**************/



	/*
	* pty master clone device
	*/
	#define MASTERCLONE "/dev/ptmx"

	#define BUFSZ 4096


	/*
	* test termio/termios ioctls
	*/
	int
	test1(void)
	{
	int masterfd, slavefd;
	char *slavename;
	struct termio termio;
	struct termios termios;

	masterfd = open(MASTERCLONE, O_RDWR);
	if (masterfd < 0) {
	tst_resm(TBROK,"%s",MASTERCLONE);
	tst_exit();
	}

	slavename = ptsname(masterfd);
	if (slavename == (char *)0) {
	tst_resm(TBROK,"ptsname() call failed");
	tst_exit();
	}

	if (grantpt(masterfd) != 0) {
	tst_resm(TBROK,"grantpt() call failed");
	tst_exit();
	}

	if (unlockpt(masterfd) != 0) {
	tst_resm(TBROK,"unlockpt() call failed");
	tst_exit();
	}

	if ((slavefd = open(slavename, O_RDWR)) < 0) {
	tst_resm(TFAIL,"Could not open %s",slavename);
	tst_exit();
	}

	if (ioctl(slavefd, TCGETS, &termios) != 0) {
	tst_resm(TFAIL,"TCGETS");
	tst_exit();
	}

	if (ioctl(slavefd, TCSETS, &termios) != 0) {
	tst_resm(TFAIL,"TCSETS");
	tst_exit();
	}

	if (ioctl(slavefd, TCSETSW, &termios) != 0) {
	tst_resm(TFAIL,"TCSETSW");
	tst_exit();
	}

	if (ioctl(slavefd, TCSETSF, &termios) != 0) {
	tst_resm(TFAIL,"TCSETSF");
	tst_exit();
	}

	if (ioctl(slavefd, TCSETS, &termios) != 0) {
	tst_resm(TFAIL,"TCSETS");
	tst_exit();
	}

	if (ioctl(slavefd, TCGETA, &termio) != 0) {
	tst_resm(TFAIL,"TCGETA");
	tst_exit();
	}

	if (ioctl(slavefd, TCSETA, &termio) != 0) {
	tst_resm(TFAIL,"TCSETA");
	tst_exit();
	}

	if (ioctl(slavefd, TCSETAW, &termio) != 0) {
	tst_resm(TFAIL,"TCSETAW");
	tst_exit();
	}

	if (ioctl(slavefd, TCSETAF, &termio) != 0) {
	tst_resm(TFAIL,"TCSETAF");
	tst_exit();
	}

	if (close(slavefd) != 0) {
	tst_resm(TBROK,"close slave");
	tst_exit();
	}

	if (close(masterfd) != 0) {
	tst_resm(TBROK,"close master");
	tst_exit();
	}
	tst_resm(TPASS,"test1");

	/ NOT REACHED /
	return 0;
	}

	/*
	* test window size setting and getting
	*/
	int
	test2(void)
	{
	int masterfd, slavefd;
	char *slavename;
	struct winsize wsz;
	struct winsize wsz1 = {24, 80, 5, 10};
	struct winsize wsz2 = {60, 100, 11, 777};

	masterfd = open(MASTERCLONE, O_RDWR);
	if (masterfd < 0) {
	tst_resm(TBROK,"%s",MASTERCLONE);
	tst_exit();
	}

	slavename = ptsname(masterfd);
	if (slavename == (char *)0) {
	tst_resm(TBROK,"ptsname() call failed");
	tst_exit();
	}

	if (grantpt(masterfd) != 0) {
	tst_resm(TBROK,"grantpt() call failed");
	tst_exit();
	}

	if (unlockpt(masterfd) != 0) {
	tst_resm(TBROK,"unlockpt() call failed");
	tst_exit();
	}

	if ((slavefd = open(slavename, O_RDWR)) < 0) {
	tst_resm(TBROK,"Could not open %s",slavename);
	tst_exit();
	}


	if (ioctl(masterfd, TIOCSWINSZ, &wsz1) != 0) {
	tst_resm(TFAIL,"TIOCSWINSZ");
	tst_exit();
	}

	if (ioctl(slavefd, TIOCGWINSZ, &wsz) != 0) {
	tst_resm(TFAIL,"TIOCGWINSZ");
	tst_exit();
	}

	if (wsz.ws_row != wsz1.ws_row \|\| wsz.ws_col != wsz1.ws_col \|\|
	wsz.ws_xpixel != wsz1.ws_xpixel \|\|
	wsz.ws_ypixel != wsz1.ws_ypixel) {
	tst_resm(TFAIL, "unexpected window size returned");
	tst_exit();
	}

	if (ioctl(masterfd, TIOCGWINSZ, &wsz) != 0) {
	tst_resm(TFAIL,"TIOCGWINSZ");
	tst_exit();
	}

	if (wsz.ws_row != wsz1.ws_row \|\| wsz.ws_col != wsz1.ws_col \|\|
	wsz.ws_xpixel != wsz1.ws_xpixel \|\|
	wsz.ws_ypixel != wsz1.ws_ypixel) {
	tst_resm(TFAIL, "unexpected window size returned");
	tst_exit();
	}

	if (ioctl(slavefd, TIOCSWINSZ, &wsz2) != 0) {
	tst_resm(TFAIL,"TIOCSWINSZ");
	tst_exit();
	}

	if (ioctl(slavefd, TIOCGWINSZ, &wsz) != 0) {
	tst_resm(TFAIL,"TIOCGWINSZ");
	tst_exit();
	}

	if (wsz.ws_row != wsz2.ws_row \|\| wsz.ws_col != wsz2.ws_col \|\|
	wsz.ws_xpixel != wsz2.ws_xpixel \|\|
	wsz.ws_ypixel != wsz2.ws_ypixel) {
	tst_resm(TFAIL, "unexpected window size returned");
	tst_exit();
	}

	if (close(slavefd) != 0) {
	tst_resm(TBROK,"close");
	tst_exit();
	}

	if (close(masterfd) != 0) {
	tst_resm(TBROK,"close");
	tst_exit();
	}
	tst_resm(TPASS,"test2");

	/ NOT REACHED /
	return 0;
	}

	/*
	* test sending a break
	*/
	int
	test3(void)
	{
	int masterfd, slavefd;
	char *slavename;

	masterfd = open(MASTERCLONE, O_RDWR);
	if (masterfd < 0) {
	tst_resm(TBROK,"%s",MASTERCLONE);
	tst_exit();
	}

	slavename = ptsname(masterfd);
	if (slavename == (char *)0) {
	tst_resm(TBROK,"ptsname() call failed");
	tst_exit();
	}

	if (grantpt(masterfd) != 0) {
	tst_resm(TBROK,"grantpt() call failed");
	tst_exit();
	}

	if (unlockpt(masterfd) != 0) {
	tst_resm(TBROK,"unlockpt() call failed");
	tst_exit();
	}

	if ((slavefd = open(slavename, O_RDWR)) < 0) {
	tst_resm(TBROK,"Could not open %s",slavename);
	tst_exit();
	}

	if (tcsendbreak(masterfd, 10) != 0) {
	tst_resm(TFAIL,"tcsendbreak");
	tst_exit();
	}

	if (tcsendbreak(slavefd, 10) != 0) {
	tst_resm(TFAIL,"tcsendbreak");
	tst_exit();
	}

	if (close(slavefd) != 0) {
	tst_resm(TBROK,"close slave");
	tst_exit();
	}

	if (close(masterfd) != 0) {
	tst_resm(TBROK,"close master");
	tst_exit();
	}
	tst_resm(TPASS,"test3");

	/ NOT REACHED /
	return 0;
	}


	/*
	* test multiple opens of slave side
	*/
	int
	test4(void)
	{
	int masterfd, slavefd, slavefd2, slavefd3;
	char *slavename;

	masterfd = open(MASTERCLONE, O_RDWR);
	if (masterfd < 0) {
	tst_resm(TBROK,"%s",MASTERCLONE);
	tst_exit();
	}

	slavename = ptsname(masterfd);
	if (slavename == (char *)0) {
	tst_resm(TBROK,"ptsname() call failed");
	tst_exit();
	}

	if (grantpt(masterfd) != 0) {
	tst_resm(TBROK,"grantpt() call failed");
	tst_exit();
	}

	if (unlockpt(masterfd) != 0) {
	tst_resm(TBROK,"unlockpt() call failed");
	tst_exit();
	}

	if ((slavefd = open(slavename, O_RDWR)) < 0) {
	tst_resm(TBROK,"Could not open %s",slavename);
	tst_exit();
	}

	if ((slavefd2 = open(slavename, O_RDWR)) < 0) {
	tst_resm(TFAIL,"Could not open %s (again)",slavename);
	tst_exit();
	}

	if ((slavefd3 = open(slavename, O_RDWR)) < 0) {
	tst_resm(TFAIL,"Could not open %s (once more)",slavename);
	tst_exit();
	}

	if (close(slavefd) != 0) {
	tst_resm(TBROK,"close slave");
	tst_exit();
	}
	if (close(slavefd2) != 0) {
	tst_resm(TBROK,"close slave again");
	tst_exit();
	}
	if (close(slavefd3) != 0) {
	tst_resm(TBROK,"close slave once more");
	tst_exit();
	}
	if (close(masterfd) != 0) {
	tst_resm(TBROK,"close master");
	tst_exit();
	}
	tst_resm(TPASS,"test4");

	/ NOT REACHED /
	return 0;
	}

	#define NUMOPENS 6

	/*
	* test several simultaneous opens
	*/
	int
	test5(void)
	{
	static int masterfd[NUMOPENS];
	static int slavefd[NUMOPENS];
	char *slavename;
	int i;

	for (i = 0; i < NUMOPENS; ++i) {
	masterfd[i] = open(MASTERCLONE, O_RDWR);
	if (masterfd[i] < 0) {
	tst_resm(TBROK,"%s",MASTERCLONE);
	tst_resm(TBROK, "out of ptys");
	for (i = 0; i < NUMOPENS; ++i) {
	if (masterfd[i] != 0) {
	(void) close(masterfd[i]);
	}
	if (slavefd[i] != 0) {
	(void) close(slavefd[i]);
	}
	}
	tst_exit();
	}

	slavename = ptsname(masterfd[i]);
	if (slavename == (char *)0) {
	tst_resm(TBROK,"ptsname() call failed");
	tst_exit();
	}

	if (grantpt(masterfd[i]) != 0) {
	tst_resm(TBROK,"grantpt() call failed");
	tst_exit();
	}

	if (unlockpt(masterfd[i]) != 0) {
	tst_resm(TBROK,"unlockpt() call failed");
	tst_exit();
	}

	if ((slavefd[i] = open(slavename, O_RDWR)) < 0) {
	tst_resm(TFAIL,"Iteration %d: Could not open %s",i,slavename);
	tst_exit();
	}

	}

	for (i = 0; i < NUMOPENS; ++i) {
	if (close(slavefd[i]) != 0) {
	tst_resm(TBROK,"Iteration %d: close slave",i);
	tst_exit();
	}
	if (close(masterfd[i]) != 0) {
	tst_resm(TBROK,"close master");
	tst_exit();
	}
	}
	tst_resm(TPASS,"test5");

	/ NOT REACHED /
	return 0;
	}


	/*
	* test hangup semantics
	*/
	int
	test6(void)
	{
	static int masterfd;
	static int slavefd;
	char *slavename;
	struct termios termios;

	masterfd = open(MASTERCLONE, O_RDWR);
	if (masterfd < 0) {
	tst_resm(TBROK,"%s",MASTERCLONE);
	tst_exit();
	}

	slavename = ptsname(masterfd);
	if (slavename == (char *)0) {
	tst_resm(TBROK,"ptsname() call failed");
	tst_exit();
	}

	if (grantpt(masterfd) != 0) {
	tst_resm(TBROK,"grantpt() call failed");
	tst_exit();
	}

	if (unlockpt(masterfd) != 0) {
	tst_resm(TBROK,"unlockpt() call failed");
	tst_exit();
	}

	if ((slavefd = open(slavename, O_RDWR)) < 0) {
	tst_resm(TBROK,"Could not open %s",slavename);
	tst_exit();
	}

	if (ioctl(slavefd, TCGETS, &termios) != 0) {
	tst_resm(TFAIL,"TCGETS");
	tst_exit();
	}

	termios.c_cflag &= ~CBAUD;
	termios.c_cflag \|= B0&CBAUD;
	if (ioctl(slavefd, TCSETS, &termios) != 0) {
	tst_resm(TFAIL,"TCGETS");
	tst_exit();
	}

	if (close(slavefd) != 0) {
	tst_resm(TBROK,"close");
	tst_exit();
	}
	if (close(masterfd) != 0) {
	tst_resm(TBROK,"close");
	tst_exit();
	}
	tst_resm(TPASS,"test6");

	/ NOT REACHED /
	return 0;
	}

	/*
	* main test driver
	*/
	int
	main(int argc, char **argv)
	{
	test1();
	test2();
	test3();
	test4();
	test5();
	test6();
	/*
	* all done
	*/
	tst_exit();
	/NOTREACHED/
	return 0;
	}