1 /*- 2 * Copyright (c) 2008 Peter Holm <pho@FreeBSD.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 */ 27 28 /* Test PTYs */ 29 30 #include <stdio.h> 31 #include <stdlib.h> 32 #include <unistd.h> 33 #include <sys/types.h> 34 #include <sys/ioctl.h> 35 #include <termios.h> 36 #include <libutil.h> 37 #include <err.h> 38 39 #include "stress.h" 40 41 #define TXT "Hello, world!" 42 43 int 44 setup(int nb) 45 { 46 return (0); 47 } 48 49 void 50 cleanup(void) 51 { 52 } 53 54 int 55 test(void) 56 { 57 int i, master, slave; 58 int s[32], m[32]; 59 char buf[512], slname[1025]; 60 struct termios tios; 61 62 for (i = 0; i < 32; i++) { 63 if (openpty(&m[i], &s[i], slname, NULL, NULL) == -1) 64 err(1, "openpty"); 65 } 66 for (i = 0; i < 32; i++) { 67 close(m[i]); 68 close(s[i]); 69 } 70 71 for (i = 0; i < 1024; i++) { 72 if (openpty(&m[0], &s[0], slname, NULL, NULL) == -1) 73 err(1, "openpty"); 74 close(m[0]); 75 close(s[0]); 76 } 77 78 for (i = 0; i < 10 && done_testing == 0; i++) { 79 if (openpty(&master, &slave, slname, NULL, NULL) == -1) 80 err(1, "openpty"); 81 if ((i & 1) == 0) { 82 if (close(master) == -1) 83 err(1, "close(master)"); 84 if (close(slave) == -1) 85 err(1, "close(%s)", slname); 86 } else { 87 if (close(slave) == -1) 88 err(1, "close(%s)", slname); 89 if (close(master) == -1) 90 err(1, "close(master)"); 91 } 92 } 93 94 if (openpty(&master, &slave, slname, NULL, NULL) == -1) 95 err(1, "openpty"); 96 if (tcgetattr(slave, &tios) < 0) 97 err(1, "tcgetattr(%s)", slname); 98 cfmakeraw(&tios); 99 if (tcsetattr(slave, TCSAFLUSH, &tios) < 0) 100 err(1, "tcsetattr(%s)", slname); 101 102 for (i = 0; i < 64 && done_testing == 0; i++) { 103 if (write(master, TXT, sizeof(TXT)) == -1) 104 err(1, "write"); 105 if (read(slave, buf, sizeof(TXT)) == -1) 106 err(1, "read(%s)", slname); 107 } 108 close(master); 109 close(slave); 110 return (0); 111 } 112