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pcm: add SND_CTL_EINTR open mode

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Add possibility to return -EINTR instead waiting for the event. The
applications may want to handle -EINTR condition themselves.

BugLink: https://github.com/alsa-project/alsa-lib/issues/228
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2023-05-03 11:48:35 +02:00
parent d6d5982d3a
commit 507d906abb
8 changed files with 13 additions and 8 deletions
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4
src/control/control_remap.c
View file

@ -1148,7 +1148,7 @@ static int parse_map(snd_ctl_remap_t *priv, snd_config_t *conf)
* changed in future.
*/
int snd_ctl_remap_open(snd_ctl_t **handlep, const char *name, snd_config_t *remap,
snd_config_t *map, snd_ctl_t *child, int mode ATTRIBUTE_UNUSED)
snd_config_t *map, snd_ctl_t *child, int mode)
{
snd_ctl_remap_t *priv;
snd_ctl_t *ctl;
@ -1195,7 +1195,7 @@ int snd_ctl_remap_open(snd_ctl_t **handlep, const char *name, snd_config_t *rema
priv->numid_remap_active = priv->map_items > 0;
priv->child = child;
err = snd_ctl_new(&ctl, SND_CTL_TYPE_REMAP, name);
err = snd_ctl_new(&ctl, SND_CTL_TYPE_REMAP, name, mode);
if (err < 0) {
result = err;
goto _err;