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Added snd_*_poll_descriptors_revents functions.

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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
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22
src/seq/seq.c
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@ -305,11 +305,11 @@ int snd_seq_poll_descriptors(snd_seq_t *seq, struct pollfd *pfds, unsigned int s
assert(seq);
if ((events & POLLIN) && space >= 1) {
assert(seq->streams & SND_SEQ_OPEN_INPUT);
revents |= POLLIN;
revents |= POLLIN|POLLERR;
}
if ((events & POLLOUT) && space >= 1) {
assert(seq->streams & SND_SEQ_OPEN_INPUT);
revents |= POLLOUT;
revents |= POLLOUT|POLLERR;
}
if (!revents)
return 0;
@ -318,6 +318,24 @@ int snd_seq_poll_descriptors(snd_seq_t *seq, struct pollfd *pfds, unsigned int s
return 1;
}
/**
* \brief get returned events from poll descriptors
* \param seq sequencer 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_seq_poll_descriptors_revents(snd_seq_t *seq, struct pollfd *pfds, unsigned int nfds, unsigned short *revents)
{
assert(seq && pfds && revents);
if (nfds == 1) {
*revents = pfds->revents;
return 0;
}
return -EINVAL;
}
/**
* \brief Set nonblock mode
* \param seq sequencer handle