| … | |
… | |
| 63 | |
63 | |
| 64 | /* ------------------------------------------------------------------------- * |
64 | /* ------------------------------------------------------------------------- * |
| 65 | * GET PSEUDO TELETYPE - MASTER AND SLAVE * |
65 | * GET PSEUDO TELETYPE - MASTER AND SLAVE * |
| 66 | * ------------------------------------------------------------------------- */ |
66 | * ------------------------------------------------------------------------- */ |
| 67 | /* |
67 | /* |
| 68 | * Returns pty file descriptor, or -1 on failure |
68 | * Returns pty file descriptor, or -1 on failure |
| 69 | * If successful, ttydev is set to the name of the slave device. |
69 | * If successful, ttydev is set to the name of the slave device. |
| 70 | * fd_tty _may_ also be set to an open fd to the slave device |
70 | * fd_tty _may_ also be set to an open fd to the slave device |
| 71 | */ |
71 | */ |
| 72 | #if defined(UNIX98_PTY) |
72 | #if defined(UNIX98_PTY) |
| 73 | |
73 | |
| … | |
… | |
| 104 | static int |
104 | static int |
| 105 | get_pty (int *fd_tty, char **ttydev) |
105 | get_pty (int *fd_tty, char **ttydev) |
| 106 | { |
106 | { |
| 107 | int pfd; |
107 | int pfd; |
| 108 | int res; |
108 | int res; |
| 109 | char tty_name[32]; |
109 | |
| 110 | |
|
|
| 111 | res = openpty (&pfd, fd_tty, tty_name, NULL, NULL); |
110 | res = openpty (&pfd, fd_tty, NULL, NULL, NULL); |
| 112 | |
111 | |
| 113 | if (res != -1) |
112 | if (res != -1) |
| 114 | { |
113 | { |
| 115 | *ttydev = strdup (tty_name); |
114 | *ttydev = strdup (ttyname (*fd_tty)); |
| 116 | return pfd; |
115 | return pfd; |
| 117 | } |
116 | } |
| 118 | |
117 | |
| 119 | return -1; |
118 | return -1; |
| 120 | } |
119 | } |
| … | |
… | |
| 206 | |
205 | |
| 207 | #endif |
206 | #endif |
| 208 | |
207 | |
| 209 | /*----------------------------------------------------------------------*/ |
208 | /*----------------------------------------------------------------------*/ |
| 210 | /* |
209 | /* |
| 211 | * Returns tty file descriptor, or -1 on failure |
210 | * Returns tty file descriptor, or -1 on failure |
| 212 | */ |
211 | */ |
| 213 | static int |
212 | static int |
| 214 | get_tty (char *ttydev) |
213 | get_tty (char *ttydev) |
| 215 | { |
214 | { |
| 216 | return open (ttydev, O_RDWR | O_NOCTTY, 0); |
215 | return open (ttydev, O_RDWR | O_NOCTTY, 0); |
| … | |
… | |
| 221 | * Make our tty a controlling tty so that /dev/tty points to us |
220 | * Make our tty a controlling tty so that /dev/tty points to us |
| 222 | */ |
221 | */ |
| 223 | static int |
222 | static int |
| 224 | control_tty (int fd_tty) |
223 | control_tty (int fd_tty) |
| 225 | { |
224 | { |
|
|
225 | int fd; |
|
|
226 | |
| 226 | setsid (); |
227 | setsid (); |
| 227 | |
228 | |
| 228 | #if defined(HAVE_DEV_PTMX) && defined(I_PUSH) |
229 | #if defined(HAVE_DEV_PTMX) && defined(I_PUSH) |
| 229 | /* |
230 | /* |
| 230 | * Push STREAMS modules: |
231 | * Push STREAMS modules: |
| … | |
… | |
| 251 | ioctl (fd_tty, I_PUSH, "ldterm"); |
252 | ioctl (fd_tty, I_PUSH, "ldterm"); |
| 252 | ioctl (fd_tty, I_PUSH, "ttcompat"); |
253 | ioctl (fd_tty, I_PUSH, "ttcompat"); |
| 253 | } |
254 | } |
| 254 | #endif |
255 | #endif |
| 255 | |
256 | |
|
|
257 | #ifdef TIOCSCTTY |
| 256 | ioctl (fd_tty, TIOCSCTTY, NULL); |
258 | ioctl (fd_tty, TIOCSCTTY, NULL); |
|
|
259 | #else |
|
|
260 | fd = open (ttyname (fd_tty), O_RDWR); |
|
|
261 | if (fd >= 0) |
|
|
262 | close (fd); |
|
|
263 | #endif |
| 257 | |
264 | |
| 258 | int fd = open ("/dev/tty", O_WRONLY); |
265 | fd = open ("/dev/tty", O_WRONLY); |
| 259 | if (fd < 0) |
266 | if (fd < 0) |
| 260 | return -1; /* fatal */ |
267 | return -1; /* fatal */ |
| 261 | |
268 | |
| 262 | close (fd); |
269 | close (fd); |
| 263 | |
270 | |
