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Use tsleep() instead of ttysleep() to wait for carrier since a generation

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change isn't an error.
This commit is contained in:
Bruce Evans 1995-07-31 21:28:42 +00:00
parent 1856afe955
commit b42d2104dc
1 changed files with 48 additions and 4 deletions
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52
sys/gnu/isdn/iitty.c
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@ -1,6 +1,6 @@
static char _ittyid[] = "@(#)$Id: iitty.c,v 1.9 1995/07/22 16:44:26 bde Exp $";
static char _ittyid[] = "@(#)$Id: iitty.c,v 1.10 1995/07/31 21:01:03 bde Exp $";
/*******************************************************************************
* II - Version 0.1 $Revision: 1.9 $ $State: Exp $
* II - Version 0.1 $Revision: 1.10 $ $State: Exp $
*
* Copyright 1994 Dietmar Friede
*******************************************************************************
@ -10,6 +10,50 @@ static char _ittyid[] = "@(#)$Id: iitty.c,v 1.9 1995/07/22 16:44:26 bde Exp
*
*******************************************************************************
* $Log: iitty.c,v $
* Revision 1.10 1995/07/31 21:01:03 bde
* Obtained from: partly from ancient patches of mine via 1.1.5
*
* Introduce TS_CONNECTED and TS_ZOMBIE states. TS_CONNECTED is set
* while a connection is established. It is set while (TS_CARR_ON or
* CLOCAL is set) and TS_ZOMBIE is clear. TS_ZOMBIE is set for on to
* off transitions of TS_CARR_ON that occur when CLOCAL is clear and
* is cleared for off to on transitions of CLOCAL. I/o can only occur
* while TS_CONNECTED is set. TS_ZOMBIE prevents further i/o.
*
* Split the input-event sleep address TSA_CARR_ON(tp) into TSA_CARR_ON(tp)
* and TSA_HUP_OR_INPUT(tp). The former address is now used only for
* off to on carrier transitions and equivalent CLOCAL transitions.
* The latter is used for all input events, all carrier transitions
* and certain CLOCAL transitions. There are some harmless extra
* wakeups for rare connection- related events. Previously there were
* too many extra wakeups for non-rare input events.
*
* Drivers now call l_modem() instead of setting TS_CARR_ON directly
* to handle even the initial off to on transition of carrier. They
* should always have done this. l_modem() now handles TS_CONNECTED
* and TS_ZOMBIE as well as TS_CARR_ON.
*
* gnu/isdn/iitty.c:
* Set TS_CONNECTED for first open ourself to go with bogusly setting
* CLOCAL.
*
* i386/isa/syscons.c, i386/isa/pcvt/pcvt_drv.c:
* We fake carrier, so don't also fake CLOCAL.
*
* kern/tty.c:
* Testing TS_CONNECTED instead of TS_CARR_ON fixes TIOCCONS forgetting to
* test CLOCAL. TS_ISOPEN was tested instead, but that broke when we disabled
* the clearing of TS_ISOPEN for certain transitions of CLOCAL.
*
* Testing TS_CONNECTED fixes ttyselect() returning false success for output
* to devices in state !TS_CARR_ON && !CLOCAL.
*
* Optimize the other selwakeup() call (this is not related to the other
* changes).
*
* kern/tty_pty.c:
* ptcopen() can be declared in traditional C now that dev_t isn't short.
*
* Revision 1.9 1995/07/22 16:44:26 bde
* Obtained from: partly from ancient patches of mine via 1.1.5
*
@ -177,8 +221,8 @@ ityopen(dev_t dev, int flag, int mode, struct proc * p)
while ((flag & O_NONBLOCK) == 0 && (tp->t_cflag & CLOCAL) == 0 &&
(tp->t_state & TS_CARR_ON) == 0)
{
if (error = ttysleep(tp, TSA_CARR_ON(tp), TTIPRI | PCATCH,
"iidcd", 0))
error = tsleep(TSA_CARR_ON(tp), TTIPRI | PCATCH, "iidcd", 0);
if (error)
break;
}
(void) spl0();