Close a control handle
#include <sys/asoundlib.h>
int snd_ctl_close( snd_ctl_t *handle );
- handle
- The handle for the control connection to the card.
This must be a handle created by
snd_ctl_open().
libasound.so
The snd_ctl_close() function
frees all the resources allocated with the control handle and
closes the connection to the control interface.
Zero on success, or a negative value on error.
- -EBADF
- Invalid file descriptor. Your handle may be corrupt.
- -EINTR
- The close() call was interrupted by a signal.
- -EINVAL
- Invalid handle argument.
- -EIO
- An I/O error occurred while updating the directory information.
- -ENOSPC
- A previous buffered write call has failed.
QNX Neutrino
| Safety: | |
| Cancellation point |
No |
| Interrupt handler |
No |
| Signal handler |
Yes |
| Thread |
Yes |
snd_ctl_open()