Close a control handle
Synopsis:
#include <sys/asoundlib.h>
int snd_ctl_close( snd_ctl_t *handle );
Arguments:
- handle
- The handle for the control connection to the card.
This must be a handle created by
snd_ctl_open().
Library:
libasound.so
Use the -l asound option with
qcc
to link against this library.
Description:
The snd_ctl_close() function
frees all the resources allocated with the control handle and
closes the connection to the control interface.
Returns:
Zero on success, or a negative value on error.
Errors:
- -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.
Classification:
QNX Neutrino
| Safety: |
|
|---|
| Cancellation point |
No |
| Interrupt handler |
No |
| Signal handler |
Yes |
| Thread |
Yes |