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Annotation of 43BSDReno/games/hack/hack.ioctl.c, revision 1.1.1.1

1.1       root        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 *) &ltchars);
                     20:        (void) ioctl(fileno(stdin), (int) TIOCSLTC, (char *) &ltchars0);
                     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 *) &ltchars);
                     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

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