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Added mmaped avail_min

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This commit is contained in:
Abramo Bagnara 2000-10-16 11:34:11 +00:00
parent d5c49aaa8e
commit 8d3919707e
11 changed files with 74 additions and 0 deletions
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10
src/pcm/pcm_shm.c
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@ -445,6 +445,15 @@ static ssize_t snd_pcm_shm_mmap_forward(snd_pcm_t *pcm, size_t size)
return snd_pcm_shm_action(pcm);
}
static int snd_pcm_shm_set_avail_min(snd_pcm_t *pcm, size_t frames)
{
snd_pcm_shm_t *shm = pcm->private;
volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
ctrl->cmd = SND_PCM_IOCTL_SET_AVAIL_MIN;
ctrl->u.set_avail_min.frames = frames;
return snd_pcm_shm_action(pcm);
}
static int snd_pcm_shm_poll_descriptor(snd_pcm_t *pcm)
{
snd_pcm_shm_t *shm = pcm->private;
@ -519,6 +528,7 @@ snd_pcm_fast_ops_t snd_pcm_shm_fast_ops = {
channels_mask: snd_pcm_shm_channels_mask,
avail_update: snd_pcm_shm_avail_update,
mmap_forward: snd_pcm_shm_mmap_forward,
set_avail_min: snd_pcm_shm_set_avail_min,
};
static int make_local_socket(const char *filename)