snd_ctl_close()

Close a control handle

Synopsis:

#include <sys/asoundlib.h>

int snd_ctl_close( snd_ctl_t * handle );

Library:

libasound.so

Description:

The snd_ctl_close() function frees all the resources allocated with the audio handle and closes the connection to the sound control interface.

Returns:

Zero on success, or a negative value on error.

Errors:

-EBADF

Invalid file descriptor filedes.

-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.

Examples:

See the example in Closing the mixer in the Controlling volume and balance chapter.

Classification:

ALSA

See also:

snd_ctl_open()