diff options
Diffstat (limited to 'sys/dev/sound/pcm/buffer.h')
| -rw-r--r-- | sys/dev/sound/pcm/buffer.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/dev/sound/pcm/buffer.h b/sys/dev/sound/pcm/buffer.h index 371ba2dd94ce..fee41db2ff82 100644 --- a/sys/dev/sound/pcm/buffer.h +++ b/sys/dev/sound/pcm/buffer.h @@ -31,6 +31,7 @@ */ #define SNDBUF_F_MANAGED 0x00000001 +#define SNDBUF_F_DETACHED 0x00000002 #define SNDBUF_NAMELEN 48 @@ -53,6 +54,7 @@ struct snd_dbuf { bus_dma_tag_t dmatag; bus_addr_t buf_addr; int dmaflags; + unsigned int refcount; struct selinfo sel; struct pcm_channel *channel; char name[SNDBUF_NAMELEN]; @@ -60,6 +62,8 @@ struct snd_dbuf { struct snd_dbuf *sndbuf_create(struct pcm_channel *channel, const char *desc); void sndbuf_destroy(struct snd_dbuf *b); +void sndbuf_ref(struct snd_dbuf *b); +void sndbuf_rele(struct snd_dbuf *b); int sndbuf_alloc(struct snd_dbuf *b, bus_dma_tag_t dmatag, int dmaflags, unsigned int size); int sndbuf_setup(struct snd_dbuf *b, void *buf, unsigned int size); |