1/*-
2 * Copyright (c) 1997,1998 Doug Rabson
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
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18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sys/kern/subr_bus.c 113808 2003-04-21 18:19:08Z imp $
27 */
28
29#include "opt_bus.h"
30
31#include <sys/param.h>
32#include <sys/conf.h>
33#include <sys/filio.h>
34#include <sys/lock.h>
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229struct dev_event_info
230{
231 char *dei_data;
232 TAILQ_ENTRY(dev_event_info) dei_link;
233};
234
235TAILQ_HEAD(devq, dev_event_info);
236
237struct dev_softc
238{
239 int inuse;
240 int nonblock;
241 struct mtx mtx;
242 struct cv cv;
243 struct selinfo sel;
244 struct devq devq;
245 struct proc *async_proc;
246} devsoftc;
247
248dev_t devctl_dev;
249
250static void
251devinit(void)
252{
253 devctl_dev = make_dev(&dev_cdevsw, 0, UID_ROOT, GID_WHEEL, 0600,
254 "devctl");
255 mtx_init(&devsoftc.mtx, "dev mtx", "devd", MTX_DEF);
256 cv_init(&devsoftc.cv, "dev cv");
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2 * Copyright (c) 1997,1998 Doug Rabson
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
--- 9 unchanged lines hidden (view full) ---
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sys/kern/subr_bus.c 113808 2003-04-21 18:19:08Z imp $
27 */
28
29#include "opt_bus.h"
30
31#include <sys/param.h>
32#include <sys/conf.h>
33#include <sys/filio.h>
34#include <sys/lock.h>
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229struct dev_event_info
230{
231 char *dei_data;
232 TAILQ_ENTRY(dev_event_info) dei_link;
233};
234
235TAILQ_HEAD(devq, dev_event_info);
236
237struct dev_softc
238{
239 int inuse;
240 int nonblock;
241 struct mtx mtx;
242 struct cv cv;
243 struct selinfo sel;
244 struct devq devq;
245 struct proc *async_proc;
246} devsoftc;
247
248dev_t devctl_dev;
249
250static void
251devinit(void)
252{
253 devctl_dev = make_dev(&dev_cdevsw, 0, UID_ROOT, GID_WHEEL, 0600,
254 "devctl");
255 mtx_init(&devsoftc.mtx, "dev mtx", "devd", MTX_DEF);
256 cv_init(&devsoftc.cv, "dev cv");
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