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pcm: share plugin: handle -EINTR

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Fixes: https://github.com/alsa-project/alsa-lib/pull/242
Fixes: b97047b4 ("pcm: share plugin: return error if socket read or write call fails")
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2022-06-27 13:36:12 +02:00
parent b97047b450
commit 65c4796a85
1 changed files with 18 additions and 12 deletions
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30
src/pcm/pcm_share.c
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@ -289,19 +289,25 @@ static snd_pcm_uframes_t _snd_pcm_share_missing(snd_pcm_t *pcm)
update_poll:
if (ready != share->ready) {
char buf[1];
if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
if (ready)
s = read(share->slave_socket, buf, 1);
else
s = write(share->client_socket, buf, 1);
} else {
if (ready)
s = write(share->slave_socket, buf, 1);
else
s = read(share->client_socket, buf, 1);
while (1) {
if (pcm->stream == SND_PCM_STREAM_PLAYBACK) {
if (ready)
s = read(share->slave_socket, buf, 1);
else
s = write(share->client_socket, buf, 1);
} else {
if (ready)
s = write(share->slave_socket, buf, 1);
else
s = read(share->client_socket, buf, 1);
}
if (s < 0) {
if (errno == EINTR)
continue;
return INT_MAX;
}
break;
}
if (s == -1)
return INT_MAX;
share->ready = ready;
}
if (!running)