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Add poll_descriptors and poll_descriptors_count callbacks

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Added poll_descriptors and poll_descriptors_count callbacks for multiple
poll_fd's.
This commit is contained in:
Takashi Iwai 2005-05-18 10:45:06 +00:00
parent cf4f4bc9c4
commit 842b573424
19 changed files with 74 additions and 1 deletions
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24
src/pcm/pcm_multi.c
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@ -95,6 +95,27 @@ static int snd_pcm_multi_async(snd_pcm_t *pcm, int sig, pid_t pid)
return snd_pcm_async(slave_0, sig, pid);
}
static int snd_pcm_multi_poll_descriptors_count(snd_pcm_t *pcm)
{
snd_pcm_multi_t *multi = pcm->private_data;
snd_pcm_t *slave_0 = multi->slaves[multi->master_slave].pcm;
return snd_pcm_poll_descriptors_count(slave_0);
}
static int snd_pcm_multi_poll_descriptors(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int space)
{
snd_pcm_multi_t *multi = pcm->private_data;
snd_pcm_t *slave_0 = multi->slaves[multi->master_slave].pcm;
return snd_pcm_poll_descriptors(slave_0, pfds, space);
}
static int snd_pcm_multi_poll_revents(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int nfds, unsigned short *revents)
{
snd_pcm_multi_t *multi = pcm->private_data;
snd_pcm_t *slave_0 = multi->slaves[multi->master_slave].pcm;
return snd_pcm_poll_descriptors_revents(slave_0, pfds, nfds, revents);
}
static int snd_pcm_multi_info(snd_pcm_t *pcm, snd_pcm_info_t *info)
{
snd_pcm_multi_t *multi = pcm->private_data;
@ -687,6 +708,9 @@ static snd_pcm_ops_t snd_pcm_multi_ops = {
.dump = snd_pcm_multi_dump,
.nonblock = snd_pcm_multi_nonblock,
.async = snd_pcm_multi_async,
.poll_descriptors_count = snd_pcm_multi_poll_descriptors_count,
.poll_descriptors = snd_pcm_multi_poll_descriptors,
.poll_revents = snd_pcm_multi_poll_revents,
.mmap = snd_pcm_multi_mmap,
.munmap = snd_pcm_multi_munmap,
};