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--- alsa-lib-1.0.22.orig/src/pcm/pcm_shm.c 2009-12-16 16:18:51.000000000 +0100
+++ alsa-lib-1.0.22/src/pcm/pcm_shm.c 2010-04-04 10:53:44.000000000 +0200
@@ -482,15 +482,19 @@ static int snd_pcm_shm_drop(snd_pcm_t *p
static int snd_pcm_shm_drain(snd_pcm_t *pcm)
{
+ struct timespec ts;
snd_pcm_shm_t *shm = pcm->private_data;
volatile snd_pcm_shm_ctrl_t *ctrl = shm->ctrl;
int err;
+ ts.tv_sec = 0;
+ ts.tv_nsec = 10000000;
+
do {
ctrl->cmd = SNDRV_PCM_IOCTL_DRAIN;
err = snd_pcm_shm_action(pcm);
if (err != -EAGAIN)
break;
- usleep(10000);
+ nanosleep(&ts, NULL);
} while (1);
if (err < 0)
return err;
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