diff options
Diffstat (limited to 'sys/gnu/isdn/iitty.c')
| -rw-r--r-- | sys/gnu/isdn/iitty.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/sys/gnu/isdn/iitty.c b/sys/gnu/isdn/iitty.c index cbc3a16..63f19ad 100644 --- a/sys/gnu/isdn/iitty.c +++ b/sys/gnu/isdn/iitty.c @@ -1,6 +1,6 @@ -static char _ittyid[] = "@(#)$Id: iitty.c,v 1.5 1995/03/28 07:54:43 bde Exp $"; +static char _ittyid[] = "@(#)$Id: iitty.c,v 1.6 1995/07/21 16:30:37 bde Exp $"; /******************************************************************************* - * II - Version 0.1 $Revision: 1.5 $ $State: Exp $ + * II - Version 0.1 $Revision: 1.6 $ $State: Exp $ * * Copyright 1994 Dietmar Friede ******************************************************************************* @@ -10,6 +10,22 @@ static char _ittyid[] = "@(#)$Id: iitty.c,v 1.5 1995/03/28 07:54:43 bde Exp * ******************************************************************************* * $Log: iitty.c,v $ + * Revision 1.6 1995/07/21 16:30:37 bde + * Obtained from: partly from an ancient patch of mine via 1.1.5 + * + * Temporarily nuke TS_WOPEN. It was only used for the obscure MDMBUF + * flow control option in the kernel and for informational purposes + * in `pstat -t'. The latter worked properly only for ptys. In + * general there may be multiple processes sleeping in open() and + * multiple processes that successfully opened the tty by opening it + * in O_NONBLOCK mode or during a window when CLOCAL was set. tty.c + * doesn't have enough information to maintain the flag but always + * cleared it in ttyopen(). + * + * TS_WOPEN should be restored someday just so that `pstat -t' can + * display it (MDMBUF is already fixed). Fixing it requires counting + * of processes sleeping in open() in too many serial drivers. + * * Revision 1.5 1995/03/28 07:54:43 bde * Add and move declarations to fix all of the warnings from `gcc -Wimplicit' * (except in netccitt, netiso and netns) that I didn't notice when I fixed @@ -132,7 +148,7 @@ ityopen(dev_t dev, int flag, int mode, struct proc * p) (tp->t_state & TS_CARR_ON) == 0) { if (error = ttysleep(tp, (caddr_t) & tp->t_rawq, TTIPRI | PCATCH, - ttopen, 0)) + "iidcd", 0)) break; } (void) spl0(); |
