mirrors/alsa-lib
1
0
Fork 0
mirror of https://github.com/alsa-project/alsa-lib.git synced 2025-11-02 09:01:48 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

Added snd_*_poll_descriptors_revents functions.

Browse source
This commit is contained in:
Jaroslav Kysela 2001-11-30 17:36:45 +00:00
parent 23ab0b3509
commit ddb7209e9a
15 changed files with 195 additions and 36 deletions
Download patch file Download diff file Expand all files Collapse all files

20
src/rawmidi/rawmidi.c
View file

@ -313,12 +313,30 @@ int snd_rawmidi_poll_descriptors(snd_rawmidi_t *rawmidi, struct pollfd *pfds, un
assert(rawmidi);
if (space >= 1) {
pfds->fd = rawmidi->poll_fd;
pfds->events = rawmidi->stream == SND_RAWMIDI_STREAM_OUTPUT ? POLLOUT : POLLIN;
pfds->events = rawmidi->stream == SND_RAWMIDI_STREAM_OUTPUT ? (POLLOUT|POLLERR) : (POLLIN|POLLERR);
return 1;
}
return 0;
}
/**
* \brief get returned events from poll descriptors
* \param pcm rawmidi RawMidi handle
* \param pfds array of poll descriptors
* \param nfds count of poll descriptors
* \param revents returned events
* \return zero if success, otherwise a negative error code
*/
int snd_rawmidi_poll_descriptors_revents(snd_rawmidi_t *rawmidi, struct pollfd *pfds, unsigned int nfds, unsigned short *revents)
{
assert(rawmidi && pfds && revents);
if (nfds == 1) {
*revents = pfds->revents;
return 0;
}
return -EINVAL;
}
/**
* \brief set nonblock mode
* \param rawmidi RawMidi handle