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Extract "set" family functions to separate module, needed for

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locking in sio f.e.
This commit is contained in:
Andrey A. Chernov 1995-04-11 17:54:25 +00:00
parent bc9685528a
commit 0a247e7d30
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=7758
1 changed files with 93 additions and 73 deletions
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166
sys/kern/tty_compat.c
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@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)tty_compat.c 8.1 (Berkeley) 6/10/93
* $Id: tty_compat.c,v 1.10 1995/04/02 04:15:08 ache Exp $
* $Id: tty_compat.c,v 1.11 1995/04/02 19:26:50 ache Exp $
*/
/*
@ -83,6 +83,83 @@ static int compatspcodes[] = {
1800, 2400, 4800, 9600, 19200, 38400, 57600, 115200,
};
int ttsetcompat(tp, com, data, term)
register struct tty *tp;
int *com;
caddr_t data;
struct termios *term;
{
switch (*com) {
case TIOCSETP:
case TIOCSETN: {
register struct sgttyb *sg = (struct sgttyb *)data;
int speed;
if ((speed = sg->sg_ispeed) > MAX_SPEED || speed < 0)
return(EINVAL);
else
term->c_ispeed = compatspcodes[speed];
if ((speed = sg->sg_ospeed) > MAX_SPEED || speed < 0)
return(EINVAL);
else
term->c_ospeed = compatspcodes[speed];
term->c_cc[VERASE] = sg->sg_erase;
term->c_cc[VKILL] = sg->sg_kill;
tp->t_flags = (tp->t_flags&0xffff0000) | (sg->sg_flags&0xffff);
ttcompatsetflags(tp, term);
*com = (*com == TIOCSETP) ? TIOCSETAF : TIOCSETA;
break;
}
case TIOCSETC: {
struct tchars *tc = (struct tchars *)data;
register cc_t *cc;
cc = term->c_cc;
cc[VINTR] = tc->t_intrc;
cc[VQUIT] = tc->t_quitc;
cc[VSTART] = tc->t_startc;
cc[VSTOP] = tc->t_stopc;
cc[VEOF] = tc->t_eofc;
cc[VEOL] = tc->t_brkc;
if (tc->t_brkc == -1)
cc[VEOL2] = _POSIX_VDISABLE;
*com = TIOCSETA;
break;
}
case TIOCSLTC: {
struct ltchars *ltc = (struct ltchars *)data;
register cc_t *cc;
cc = term->c_cc;
cc[VSUSP] = ltc->t_suspc;
cc[VDSUSP] = ltc->t_dsuspc;
cc[VREPRINT] = ltc->t_rprntc;
cc[VDISCARD] = ltc->t_flushc;
cc[VWERASE] = ltc->t_werasc;
cc[VLNEXT] = ltc->t_lnextc;
*com = TIOCSETA;
break;
}
case TIOCLBIS:
case TIOCLBIC:
case TIOCLSET:
if (*com == TIOCLSET)
tp->t_flags = (tp->t_flags&0xffff) | *(int *)data<<16;
else {
tp->t_flags =
(ttcompatgetflags(tp)&0xffff0000)|(tp->t_flags&0xffff);
if (*com == TIOCLBIS)
tp->t_flags |= *(int *)data<<16;
else
tp->t_flags &= ~(*(int *)data<<16);
}
ttcompatsetlflags(tp, term);
*com = TIOCSETA;
break;
}
return 0;
}
/*ARGSUSED*/
int
ttcompat(tp, com, data, flag)
@ -91,9 +168,22 @@ ttcompat(tp, com, data, flag)
caddr_t data;
int flag;
{
struct termios term;
switch (com) {
case TIOCSETP:
case TIOCSETN:
case TIOCSETC:
case TIOCSLTC:
case TIOCLBIS:
case TIOCLBIC:
case TIOCLSET: {
struct termios term;
int error;
term = tp->t_termios;
if ((error = ttsetcompat(tp, &com, data, &term)) != 0)
return error;
return ttioctl(tp, com, &term, flag);
}
case TIOCGETP: {
register struct sgttyb *sg = (struct sgttyb *)data;
register cc_t *cc = tp->t_cc;
@ -112,29 +202,6 @@ ttcompat(tp, com, data, flag)
sg->sg_flags = tp->t_flags = ttcompatgetflags(tp);
break;
}
case TIOCSETP:
case TIOCSETN: {
register struct sgttyb *sg = (struct sgttyb *)data;
int speed;
term = tp->t_termios;
if ((speed = sg->sg_ispeed) > MAX_SPEED || speed < 0)
return(EINVAL);
else
term.c_ispeed = compatspcodes[speed];
if ((speed = sg->sg_ospeed) > MAX_SPEED || speed < 0)
return(EINVAL);
else
term.c_ospeed = compatspcodes[speed];
term.c_cc[VERASE] = sg->sg_erase;
term.c_cc[VKILL] = sg->sg_kill;
tp->t_flags = (tp->t_flags&0xffff0000) | (sg->sg_flags&0xffff);
ttcompatsetflags(tp, &term);
return (ttioctl(tp, com == TIOCSETP ? TIOCSETAF : TIOCSETA,
&term, flag));
}
case TIOCGETC: {
struct tchars *tc = (struct tchars *)data;
register cc_t *cc = tp->t_cc;
@ -147,36 +214,6 @@ ttcompat(tp, com, data, flag)
tc->t_brkc = cc[VEOL];
break;
}
case TIOCSETC: {
struct tchars *tc = (struct tchars *)data;
register cc_t *cc;
term = tp->t_termios;
cc = term.c_cc;
cc[VINTR] = tc->t_intrc;
cc[VQUIT] = tc->t_quitc;
cc[VSTART] = tc->t_startc;
cc[VSTOP] = tc->t_stopc;
cc[VEOF] = tc->t_eofc;
cc[VEOL] = tc->t_brkc;
if (tc->t_brkc == -1)
cc[VEOL2] = _POSIX_VDISABLE;
return (ttioctl(tp, TIOCSETA, &term, flag));
}
case TIOCSLTC: {
struct ltchars *ltc = (struct ltchars *)data;
register cc_t *cc;
term = tp->t_termios;
cc = term.c_cc;
cc[VSUSP] = ltc->t_suspc;
cc[VDSUSP] = ltc->t_dsuspc;
cc[VREPRINT] = ltc->t_rprntc;
cc[VDISCARD] = ltc->t_flushc;
cc[VWERASE] = ltc->t_werasc;
cc[VLNEXT] = ltc->t_lnextc;
return (ttioctl(tp, TIOCSETA, &term, flag));
}
case TIOCGLTC: {
struct ltchars *ltc = (struct ltchars *)data;
register cc_t *cc = tp->t_cc;
@ -189,23 +226,6 @@ ttcompat(tp, com, data, flag)
ltc->t_lnextc = cc[VLNEXT];
break;
}
case TIOCLBIS:
case TIOCLBIC:
case TIOCLSET:
term = tp->t_termios;
if (com == TIOCLSET)
tp->t_flags = (tp->t_flags&0xffff) | *(int *)data<<16;
else {
tp->t_flags =
(ttcompatgetflags(tp)&0xffff0000)|(tp->t_flags&0xffff);
if (com == TIOCLBIS)
tp->t_flags |= *(int *)data<<16;
else
tp->t_flags &= ~(*(int *)data<<16);
}
ttcompatsetlflags(tp, &term);
return (ttioctl(tp, TIOCSETA, &term, flag));
case TIOCLGET:
tp->t_flags =
(ttcompatgetflags(tp) & 0xffff0000UL)