ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/libptytty/src/ptytty.C
(Generate patch)

Comparing libptytty/src/ptytty.C (file contents):
Revision 1.29 by ayin, Thu Jun 28 17:41:01 2007 UTC vs.
Revision 1.38 by sf-exg, Sun Mar 27 00:11:30 2011 UTC

… …
5 * File: ptytty.C 5 * File: ptytty.C
6 *----------------------------------------------------------------------* 6 *----------------------------------------------------------------------*
7 * 7 *
8 * All portions of code are copyright by their respective author/s. 8 * All portions of code are copyright by their respective author/s.
9 * Copyright (c) 1999-2001 Geoff Wing <gcw@pobox.com> 9 * Copyright (c) 1999-2001 Geoff Wing <gcw@pobox.com>
10 * Copyright (c) 2004-2006 Marc Lehmann <pcg@goof.com> 10 * Copyright (c) 2004-2006 Marc Lehmann <schmorp@schmorp.de>
11 * Copyright (c) 2006 Emanuele Giaquinta <e.giaquinta@glauco.it> 11 * Copyright (c) 2006 Emanuele Giaquinta <e.giaquinta@glauco.it>
12 * 12 *
13 * This program is free software; you can redistribute it and/or modify 13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License as published by 14 * it under the terms of the GNU General Public License as published by
15 * the Free Software Foundation; either version 2 of the License, or 15 * the Free Software Foundation; either version 2 of the License, or
… …
23 * You should have received a copy of the GNU General Public License 23 * You should have received a copy of the GNU General Public License
24 * along with this program; if not, write to the Free Software 24 * along with this program; if not, write to the Free Software
25 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 25 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 *---------------------------------------------------------------------*/ 26 *---------------------------------------------------------------------*/
27 27
28#include "../config.h" 28#include "config.h"
29 29
30#include "ptytty.h" 30#include "ptytty.h"
31 31
32#include <cstdlib> 32#include <cstdlib>
33#include <cstring> 33#include <cstring>
34#include <csignal> 34#include <csignal>
35 35
36#include <sys/types.h> 36#include <sys/types.h>
37#include <sys/stat.h>
37#include <unistd.h> 38#include <unistd.h>
38#include <fcntl.h> 39#include <fcntl.h>
39 40
40#ifdef HAVE_SYS_IOCTL_H 41#ifdef HAVE_SYS_IOCTL_H
41# include <sys/ioctl.h> 42# include <sys/ioctl.h>
42#endif 43#endif
43#if defined(HAVE_DEV_PTMX) && defined(HAVE_SYS_STROPTS_H) 44#if defined(HAVE_DEV_PTMX) && defined(HAVE_SYS_STROPTS_H)
44# include <sys/stropts.h> /* for I_PUSH */ 45# include <sys/stropts.h> /* for I_PUSH */
45#endif 46#endif
46#ifdef HAVE_ISASTREAM 47#if defined(HAVE_ISASTREAM) && defined(HAVE_STROPTS_H)
47# include <stropts.h> 48# include <stropts.h>
48#endif 49#endif
49#if defined(HAVE_PTY_H) 50#if defined(HAVE_PTY_H)
50# include <pty.h> 51# include <pty.h>
51#elif defined(HAVE_LIBUTIL_H) 52#elif defined(HAVE_LIBUTIL_H)
… …
86 87
87 if (pfd >= 0) 88 if (pfd >= 0)
88 { 89 {
89 if (grantpt (pfd) == 0 /* change slave permissions */ 90 if (grantpt (pfd) == 0 /* change slave permissions */
90 && unlockpt (pfd) == 0) 91 && unlockpt (pfd) == 0)
92 {
91 { /* slave now unlocked */ 93 /* slave now unlocked */
92 *ttydev = strdup (ptsname (pfd)); /* get slave's name */ 94 *ttydev = strdup (ptsname (pfd)); /* get slave's name */
93 return pfd; 95 return pfd;
94 } 96 }
95 97
96 close (pfd); 98 close (pfd);
… …
122 124
123 static int 125 static int
124 get_pty (int *fd_tty, char **ttydev) 126 get_pty (int *fd_tty, char **ttydev)
125 { 127 {
126 int pfd; 128 int pfd;
129 char *slave;
127 130
128 *ttydev = _getpty (&pfd, O_RDWR | O_NONBLOCK | O_NOCTTY, 0622, 0); 131 slave = _getpty (&pfd, O_RDWR | O_NONBLOCK | O_NOCTTY, 0622, 0);
129 132
130 if (*ttydev != NULL) 133 if (slave != NULL)
131 return pfd;
132
133 return -1;
134 }
135
136#elif defined(HAVE_DEV_PTC)
137
138 static int
139 get_pty (int *fd_tty, char **ttydev)
140 {
141 int pfd;
142
143 if ((pfd = open ("/dev/ptc", O_RDWR | O_NOCTTY, 0)) >= 0)
144 { 134 {
145 *ttydev = strdup (ttyname (pfd));
146 return pfd;
147 }
148
149 return -1;
150 }
151
152#elif defined(HAVE_DEV_CLONE)
153
154 static int
155 get_pty (int *fd_tty, char **ttydev)
156 {
157 int pfd;
158
159 if ((pfd = open ("/dev/ptym/clone", O_RDWR | O_NOCTTY, 0)) >= 0)
160 {
161 *ttydev = strdup (ptsname (pfd)); 135 *ttydev = strdup (slave);
162 return pfd; 136 return pfd;
163 } 137 }
164 138
165 return -1; 139 return -1;
166 } 140 }
… …
242 * documentation is really unclear about whether it is any close () on 216 * documentation is really unclear about whether it is any close () on
243 * the master side or the last close () - i.e. a proper STREAMS dismantling 217 * the master side or the last close () - i.e. a proper STREAMS dismantling
244 * close () - on the master side which causes a hang up to be sent 218 * close () - on the master side which causes a hang up to be sent
245 * through - Geoff Wing 219 * through - Geoff Wing
246 */ 220 */
247# ifdef HAVE_ISASTREAM 221#if defined(HAVE_ISASTREAM) && defined(HAVE_STROPTS_H)
248 if (isastream (fd_tty) == 1) 222 if (isastream (fd_tty) == 1)
249# endif 223# endif
250 { 224 {
251 ioctl (fd_tty, I_PUSH, "ptem"); 225 ioctl (fd_tty, I_PUSH, "ptem");
252 ioctl (fd_tty, I_PUSH, "ldterm"); 226 ioctl (fd_tty, I_PUSH, "ldterm");
… …
322 { 296 {
323#ifdef TTY_GID_SUPPORT 297#ifdef TTY_GID_SUPPORT
324 struct group *gr = getgrnam ("tty"); 298 struct group *gr = getgrnam ("tty");
325 299
326 if (gr) 300 if (gr)
301 {
327 { /* change group ownership of tty to "tty" */ 302 /* change group ownership of tty to "tty" */
328 mode = S_IRUSR | S_IWUSR | S_IWGRP; 303 mode = S_IRUSR | S_IWUSR | S_IWGRP;
329 gid = gr->gr_gid; 304 gid = gr->gr_gid;
330 } 305 }
331 else 306 else
332#endif /* TTY_GID_SUPPORT */ 307#endif /* TTY_GID_SUPPORT */
333 { 308 {
334 mode = S_IRUSR | S_IWUSR | S_IWGRP | S_IWOTH; 309 mode = S_IRUSR | S_IWUSR | S_IWGRP | S_IWOTH;
335 gid = 0; 310 gid = 0;
336 } 311 }
337 } 312 }

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines