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Fix some locking violations by creating seperate mutex classes

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for play and record channels.

Approved by:	seigo (mentor)
Approved by:	scottl (re)
This commit is contained in:
Mathew Kanner 2003-12-05 02:08:13 +00:00
parent 30a62d30f4
commit bc38932a58
1 changed files with 6 additions and 3 deletions
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9
sys/dev/sound/pcm/channel.c
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@ -67,9 +67,12 @@ SYSCTL_INT(_hw_snd, OID_AUTO, report_soft_formats, CTLFLAG_RW,
static int chn_buildfeeder(struct pcm_channel *c);
static void
chn_lockinit(struct pcm_channel *c)
chn_lockinit(struct pcm_channel *c, int dir)
{
c->lock = snd_mtxcreate(c->name, "pcm channel");
if (dir == PCMDIR_PLAY)
c->lock = snd_mtxcreate(c->name, "pcm play channel");
else
c->lock = snd_mtxcreate(c->name, "pcm record channel");
}
static void
@ -736,7 +739,7 @@ chn_init(struct pcm_channel *c, void *devinfo, int dir)
struct snd_dbuf *b, *bs;
int ret;
chn_lockinit(c);
chn_lockinit(c, dir);
b = NULL;
bs = NULL;