thirdparty/alsa-lib
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Added snd_*_poll_descriptors_revents functions.

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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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24
src/timer/timer.c
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@ -261,13 +261,13 @@ int snd_timer_poll_descriptors(snd_timer_t *timer, struct pollfd *pfds, unsigned
pfds->fd = timer->poll_fd;
switch (timer->mode & O_ACCMODE) {
case O_WRONLY:
pfds->events = POLLOUT;
pfds->events = POLLOUT|POLLERR;
break;
case O_RDONLY:
pfds->events = POLLIN;
pfds->events = POLLIN|POLLERR;
break;
case O_RDWR:
pfds->events = POLLOUT|POLLIN;
pfds->events = POLLOUT|POLLIN|POLLERR;
break;
default:
return -EIO;
@ -277,6 +277,24 @@ int snd_timer_poll_descriptors(snd_timer_t *timer, struct pollfd *pfds, unsigned
return 0;
}
/**
* \brief get returned events from poll descriptors
* \param timer timer 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_timer_poll_descriptors_revents(snd_timer_t *timer, struct pollfd *pfds, unsigned int nfds, unsigned short *revents)
{
assert(timer && pfds && revents);
if (nfds == 1) {
*revents = pfds->revents;
return 0;
}
return -EINVAL;
}
/**
* \brief set nonblock mode
* \param timer timer handle