541b200a90
the answer. If we later get a descriptor exception from select(), we know that it's a tty (isatty() returns 0 after the exception on a tty) and remember to call modem_LogicalClose(). The upshot of it all is that descriptor exceptions dont leave the tty locked any more.
99 lines
3.7 KiB
C
99 lines
3.7 KiB
C
/*
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* Written by Eivind Eklund <eivind@yes.no>
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* for Yes Interactive
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*
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* Copyright (C) 1998, Yes Interactive. All rights reserved.
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*
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* Redistribution and use in any form is permitted. Redistribution in
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* source form should include the above copyright and this set of
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* conditions, because large sections american law seems to have been
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* created by a bunch of jerks on drugs that are now illegal, forcing
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* me to include this copyright-stuff instead of placing this in the
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* public domain. The name of of 'Yes Interactive' or 'Eivind Eklund'
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* may not be used to endorse or promote products derived from this
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* software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* $Id: physical.h,v 1.4 1998/08/25 17:48:43 brian Exp $
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*
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*/
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struct bundle;
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struct physical {
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struct link link;
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struct descriptor desc;
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int type; /* What sort of PHYS_* link are we ? */
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struct async async; /* Our async state */
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struct hdlc hdlc; /* Our hdlc state */
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int fd; /* File descriptor for this device */
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int mbits; /* Current DCD status */
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unsigned isatty : 1;
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struct mbuf *out; /* mbuf that suffered a short write */
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int connect_count;
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struct datalink *dl; /* my owner */
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struct {
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char full[40];
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char *base;
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} name;
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unsigned Utmp : 1; /* Are we in utmp ? */
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pid_t session_owner; /* HUP this when closing the link */
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/* XXX-ML Most of the below is device specific, and probably do not
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belong in the generic physical struct. It comes from modem.c. */
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struct {
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unsigned rts_cts : 1; /* Is rts/cts enabled? */
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unsigned parity; /* What parity is enabled? (TTY flags) */
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unsigned speed; /* Modem speed */
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char devlist[LINE_LEN]; /* Comma-separated list of devices */
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} cfg;
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struct termios ios; /* To be able to reset from raw mode */
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struct pppTimer Timer; /* CD checks */
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};
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#define field2phys(fp, name) \
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((struct physical *)((char *)fp - (int)(&((struct physical *)0)->name)))
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#define link2physical(l) \
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((l)->type == PHYSICAL_LINK ? field2phys(l, link) : NULL)
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#define descriptor2physical(d) \
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((d)->type == PHYSICAL_DESCRIPTOR ? field2phys(d, desc) : NULL)
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extern int physical_GetFD(struct physical *);
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extern int physical_IsSync(struct physical *);
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extern const char *physical_GetDevice(struct physical *);
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extern void physical_SetDeviceList(struct physical *, int, const char *const *);
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extern int physical_SetSpeed(struct physical *, int);
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/*
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* XXX-ML I'm not certain this is the right way to handle this, but we
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* can solve that later.
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*/
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extern void physical_SetSync(struct physical *);
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/*
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* Can this be set? (Might not be a relevant attribute for this
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* device, for instance)
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*/
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extern int physical_SetRtsCts(struct physical *, int);
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extern ssize_t physical_Read(struct physical *, void *, size_t);
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extern ssize_t physical_Write(struct physical *, const void *, size_t);
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extern int physical_UpdateSet(struct descriptor *, fd_set *, fd_set *,
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fd_set *, int *, int);
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extern int physical_IsSet(struct descriptor *, const fd_set *);
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extern void physical_Login(struct physical *, const char *);
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extern void physical_Logout(struct physical *);
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extern int physical_RemoveFromSet(struct physical *, fd_set *, fd_set *,
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fd_set *);
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extern int physical_SetMode(struct physical *, int);
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extern void physical_DeleteQueue(struct physical *);
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