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snp.c (92056) snp.c (92252)
1/*
2 * Copyright (c) 1995 Ugen J.S.Antsilevich
3 *
4 * Redistribution and use in source forms, with and without modification,
5 * are permitted provided that this entire comment appears intact.
6 *
7 * Redistribution in binary form may occur without any restrictions.
8 * Obviously, it would be nice if you gave credit where credit is due
9 * but requiring it would be too onerous.
10 *
11 * This software is provided ``AS IS'' without any warranties of any kind.
12 *
13 * Snoop stuff.
14 *
1/*
2 * Copyright (c) 1995 Ugen J.S.Antsilevich
3 *
4 * Redistribution and use in source forms, with and without modification,
5 * are permitted provided that this entire comment appears intact.
6 *
7 * Redistribution in binary form may occur without any restrictions.
8 * Obviously, it would be nice if you gave credit where credit is due
9 * but requiring it would be too onerous.
10 *
11 * This software is provided ``AS IS'' without any warranties of any kind.
12 *
13 * Snoop stuff.
14 *
15 * $FreeBSD: head/sys/dev/snp/snp.c 92056 2002-03-11 03:48:32Z dd $
15 * $FreeBSD: head/sys/dev/snp/snp.c 92252 2002-03-14 01:32:30Z alfred $
16 */
17
18#include <sys/param.h>
19#include <sys/systm.h>
20#include <sys/filio.h>
21#include <sys/malloc.h>
22#include <sys/tty.h>
23#include <sys/conf.h>

--- 345 unchanged lines hidden (view full) ---

369 bcopy(buf, to, n);
370 snp->snp_len += n;
371
372 if (snp->snp_flags & SNOOP_RWAIT) {
373 snp->snp_flags &= ~SNOOP_RWAIT;
374 wakeup((caddr_t)snp);
375 }
376 selwakeup(&snp->snp_sel);
16 */
17
18#include <sys/param.h>
19#include <sys/systm.h>
20#include <sys/filio.h>
21#include <sys/malloc.h>
22#include <sys/tty.h>
23#include <sys/conf.h>

--- 345 unchanged lines hidden (view full) ---

369 bcopy(buf, to, n);
370 snp->snp_len += n;
371
372 if (snp->snp_flags & SNOOP_RWAIT) {
373 snp->snp_flags &= ~SNOOP_RWAIT;
374 wakeup((caddr_t)snp);
375 }
376 selwakeup(&snp->snp_sel);
377 snp->snp_sel.si_pid = 0;
378
379 return (n);
380}
381
382static int
383snpopen(dev, flag, mode, td)
384 dev_t dev;
385 int flag, mode;

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444 } else
445 printf("snp%d: bad attached tty data\n", snp->snp_unit);
446
447 snp->snp_tty = NULL;
448 snp->snp_target = NODEV;
449
450detach_notty:
451 selwakeup(&snp->snp_sel);
377
378 return (n);
379}
380
381static int
382snpopen(dev, flag, mode, td)
383 dev_t dev;
384 int flag, mode;

--- 58 unchanged lines hidden (view full) ---

443 } else
444 printf("snp%d: bad attached tty data\n", snp->snp_unit);
445
446 snp->snp_tty = NULL;
447 snp->snp_target = NODEV;
448
449detach_notty:
450 selwakeup(&snp->snp_sel);
452 snp->snp_sel.si_pid = 0;
453 if ((snp->snp_flags & SNOOP_OPEN) == 0)
454 free(snp, M_SNP);
455
456 return (0);
457}
458
459static int
460snpclose(dev, flags, fmt, td)

--- 207 unchanged lines hidden --- 		451 if ((snp->snp_flags & SNOOP_OPEN) == 0)
452 free(snp, M_SNP);
453
454 return (0);
455}
456
457static int
458snpclose(dev, flags, fmt, td)

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