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streams.c (47625) streams.c (47640)
1/*
2 * Copyright (c) 1998 Mark Newton
3 * Copyright (c) 1994 Christos Zoulas
4 * Copyright (c) 1997 Todd Vierling
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions

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147} ;
148
149#define UNIT(dev) minor(dev) /* assume one minor number per unit */
150
151typedef struct streams_softc *sc_p;
152
153static sc_p sca[NSTREAMS];
154
1/*
2 * Copyright (c) 1998 Mark Newton
3 * Copyright (c) 1994 Christos Zoulas
4 * Copyright (c) 1997 Todd Vierling
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions

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147} ;
148
149#define UNIT(dev) minor(dev) /* assume one minor number per unit */
150
151typedef struct streams_softc *sc_p;
152
153static sc_p sca[NSTREAMS];
154
155static void
156streamsattach(void *dummy)
157{
158 cdevsw_add_generic(CDEV_MAJOR, CDEV_MAJOR, &streams_cdevsw);
159}
160
161static int
162streams_modevent(module_t mod, int type, void *unused)
163{
164 switch (type) {
165 case MOD_LOAD:
155static int
156streams_modevent(module_t mod, int type, void *unused)
157{
158 switch (type) {
159 case MOD_LOAD:
166 streamsattach(NULL);
160 cdevsw_add(&streams_cdevsw);
167 return 0;
168 case MOD_UNLOAD:
161 return 0;
162 case MOD_UNLOAD:
169 cdevsw[CDEV_MAJOR] = NULL; /* clean up cdev */
170 return 0;
171 default:
172 break;
173 }
174 return 0;
175}
176
177static moduledata_t streams_mod = {

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389
390/*
391 * Now for some driver initialisation.
392 * Occurs ONCE during boot (very early).
393 */
394static void
395streams_drvinit(void *unused)
396{
163 return 0;
164 default:
165 break;
166 }
167 return 0;
168}
169
170static moduledata_t streams_mod = {

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382
383/*
384 * Now for some driver initialisation.
385 * Occurs ONCE during boot (very early).
386 */
387static void
388streams_drvinit(void *unused)
389{
397 dev_t dev;
398 int unit;
399 sc_p scp = sca[unit];
400
390 int unit;
391 sc_p scp = sca[unit];
392
401 dev = makedev(CDEV_MAJOR, 0);
402 cdevsw_add(&dev, &streams_cdevsw, NULL);
393 cdevsw_add(&streams_cdevsw);
403 for (unit = 0; unit < NSTREAMS; unit++) {
404 /*
405 * Allocate storage for this instance .
406 */
407 scp = malloc(sizeof(*scp), M_DEVBUF, M_NOWAIT);
408 if( scp == NULL) {
409 printf("streams%d failed to allocate strorage\n", unit);
410 return ;

--- 44 unchanged lines hidden --- 		394 for (unit = 0; unit < NSTREAMS; unit++) {
395 /*
396 * Allocate storage for this instance .
397 */
398 scp = malloc(sizeof(*scp), M_DEVBUF, M_NOWAIT);
399 if( scp == NULL) {
400 printf("streams%d failed to allocate strorage\n", unit);
401 return ;

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