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Make this driver play ball with devfs(5).

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Reviewed by:	brian
This commit is contained in:
Dima Dorfman 2001-04-17 20:53:11 +00:00
parent e04670b734
commit 25c7870e5d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=75633
2 changed files with 38 additions and 6 deletions
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22
sys/dev/snp/snp.c
View File

@ -287,10 +287,10 @@ snpopen(dev, flag, mode, p)
return (error);
if (dev->si_drv1 == NULL) {
int mynor = minor(dev);
if (!(dev->si_flags & SI_NAMED))
make_dev(&snp_cdevsw, minor(dev), UID_ROOT, GID_WHEEL,
0600, "snp%d", dev2unit(dev));
dev->si_drv1 = snp = malloc(sizeof(*snp), M_SNP, M_WAITOK|M_ZERO);
make_dev(&snp_cdevsw, mynor, 0, 0, 0600, "snp%d", mynor);
} else
return (EBUSY);
@ -365,6 +365,7 @@ snpclose(dev, flags, fmt, p)
free(snp->snp_buf, M_SNP);
snp->snp_flags &= ~SNOOP_OPEN;
dev->si_drv1 = NULL;
destroy_dev(dev);
return (snp_detach(snp));
}
@ -504,11 +505,26 @@ snppoll(dev, events, p)
static void snp_drvinit __P((void *unused));
static void
snp_clone(void *arg, char *name, int namelen, dev_t *dev)
{
int u;
if (*dev != NODEV)
return;
if (dev_stdclone(name, NULL, "snp", &u) != 1)
return;
*dev = make_dev(&snp_cdevsw, unit2minor(u), UID_ROOT, GID_WHEEL, 0600,
"snp%d", u);
return;
}
static void
snp_drvinit(unused)
void *unused;
{
EVENTHANDLER_REGISTER(dev_clone, snp_clone, 0, 1000);
cdevsw_add(&snp_cdevsw);
}

22
sys/kern/tty_snoop.c
View File

@ -287,10 +287,10 @@ snpopen(dev, flag, mode, p)
return (error);
if (dev->si_drv1 == NULL) {
int mynor = minor(dev);
if (!(dev->si_flags & SI_NAMED))
make_dev(&snp_cdevsw, minor(dev), UID_ROOT, GID_WHEEL,
0600, "snp%d", dev2unit(dev));
dev->si_drv1 = snp = malloc(sizeof(*snp), M_SNP, M_WAITOK|M_ZERO);
make_dev(&snp_cdevsw, mynor, 0, 0, 0600, "snp%d", mynor);
} else
return (EBUSY);
@ -365,6 +365,7 @@ snpclose(dev, flags, fmt, p)
free(snp->snp_buf, M_SNP);
snp->snp_flags &= ~SNOOP_OPEN;
dev->si_drv1 = NULL;
destroy_dev(dev);
return (snp_detach(snp));
}
@ -504,11 +505,26 @@ snppoll(dev, events, p)
static void snp_drvinit __P((void *unused));
static void
snp_clone(void *arg, char *name, int namelen, dev_t *dev)
{
int u;
if (*dev != NODEV)
return;
if (dev_stdclone(name, NULL, "snp", &u) != 1)
return;
*dev = make_dev(&snp_cdevsw, unit2minor(u), UID_ROOT, GID_WHEEL, 0600,
"snp%d", u);
return;
}
static void
snp_drvinit(unused)
void *unused;
{
EVENTHANDLER_REGISTER(dev_clone, snp_clone, 0, 1000);
cdevsw_add(&snp_cdevsw);
}