projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| b120c7bb KB |
1 | /* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985. */ |
| 2 | /* hack.ioctl.c - version 1.0.2 */ | |
| 3 | ||
| 4 | /* This cannot be part of hack.tty.c (as it was earlier) since on some | |
| 5 | systems (e.g. MUNIX) the include files <termio.h> and <sgtty.h> | |
| 6 | define the same constants, and the C preprocessor complains. */ | |
| 7 | #include <stdio.h> | |
| 8 | #include "config.h" | |
| 9 | #ifdef BSD | |
| 10 | #include <sgtty.h> | |
| 11 | struct ltchars ltchars, ltchars0; | |
| 12 | #else | |
| 13 | #include <termio.h> /* also includes part of <sgtty.h> */ | |
| 14 | struct termio termio; | |
| 15 | #endif BSD | |
| 16 | ||
| 17 | getioctls() { | |
| 18 | #ifdef BSD | |
| 19 | (void) ioctl(fileno(stdin), (int) TIOCGLTC, (char *) <chars); | |
| 20 | (void) ioctl(fileno(stdin), (int) TIOCSLTC, (char *) <chars0); | |
| 21 | #else | |
| 22 | (void) ioctl(fileno(stdin), (int) TCGETA, &termio); | |
| 23 | #endif BSD | |
| 24 | } | |
| 25 | ||
| 26 | setioctls() { | |
| 27 | #ifdef BSD | |
| 28 | (void) ioctl(fileno(stdin), (int) TIOCSLTC, (char *) <chars); | |
| 29 | #else | |
| 30 | (void) ioctl(fileno(stdin), (int) TCSETA, &termio); | |
| 31 | #endif BSD | |
| 32 | } | |
| 33 | ||
| 34 | #ifdef SUSPEND /* implies BSD */ | |
| 35 | dosuspend() { | |
| 36 | #include <signal.h> | |
| 37 | #ifdef SIGTSTP | |
| 38 | if(signal(SIGTSTP, SIG_IGN) == SIG_DFL) { | |
| 39 | settty((char *) 0); | |
| 40 | (void) signal(SIGTSTP, SIG_DFL); | |
| 41 | (void) kill(0, SIGTSTP); | |
| 42 | gettty(); | |
| 43 | setftty(); | |
| 44 | docrt(); | |
| 45 | } else { | |
| 46 | pline("I don't think your shell has job control."); | |
| 47 | } | |
| 48 | #else SIGTSTP | |
| 49 | pline("Sorry, it seems we have no SIGTSTP here. Try ! or S."); | |
| 50 | #endif SIGTSTP | |
| 51 | return(0); | |
| 52 | } | |
| 53 | #endif SUSPEND |