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Deal with HUPCL, closing (but in a different way than proposed) PR 1010.

This commit is contained in:
is 1997-09-21 17:21:24 +00:00
parent 6a116d459c
commit 970af214ab
1 changed files with 16 additions and 8 deletions
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24
sys/arch/amiga/dev/ser.c
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@ -1,4 +1,4 @@
/* $NetBSD: ser.c,v 1.40 1997/09/18 03:53:12 mhitch Exp $ */
/* $NetBSD: ser.c,v 1.41 1997/09/21 17:21:24 is Exp $ */
/*
* Copyright (c) 1982, 1986, 1990 The Regents of the University of California.
@ -340,6 +340,7 @@ serclose(dev, flag, mode, p)
{
struct tty *tp;
int unit;
int closebits;
unit = SERUNIT(dev);
@ -356,14 +357,21 @@ serclose(dev, flag, mode, p)
custom.intreq = INTF_RBF | INTF_TBE; /* clear intr request */
/*
* If the device is closed, it's close, no matter whether we deal with
* modem control signals nor not.
* If HUPCL is not set, leave DTR unchanged.
*/
#if 0
if (tp->t_cflag & HUPCL || tp->t_state & TS_WOPEN ||
(tp->t_state & TS_ISOPEN) == 0)
#endif
(void) sermctl(dev, 0, DMSET);
if (tp->t_cflag & HUPCL)
closebits = 0;
else
closebits = sermctl(dev, 0, DMGET) & TIOCM_DTR;
(void) sermctl(dev, closebits, DMSET);
/*
* Idea from dev/isa/com.c:
* sleep a bit so that other side will notice, even if we reopen
* immediately.
*/
(void) tsleep(tp, TTIPRI, ttclos, hz);
ttyclose(tp);
#if not_yet
if (tp != &ser_cons) {