snd_afm_close()

Close an AFM handle and free its resources

Synopsis:

#include <sys/asoundlib.h>

int snd_afm_close( snd_afm_t *handle );

Arguments:

handle: The handle for the AFM device, which you must have opened by calling snd_afm_open_name() or snd_afm_open().

Library:

libasound.so

Use the -l asound option with qcc to link against this library.

Description:

Note: This function can only be used if you have QNX Acoustic Management Platform 3.0 installed.

The snd_afm_close() function frees all resources allocated with the AMP Functional Module (AFM) handle and closes the connection to the AFM interface.

Returns:

EOK on success, or a negative errno upon failure.

This function can also return the return values of close() (see close() in the QNX Neutrino C Library Reference).

Errors:

-EINVAL: The state of handle is invalid or an invalid state change occurred.

Classification:

QNX Neutrino

Safety:
Cancellation point	Yes
Interrupt handler	No
Signal handler	Yes
Thread	Yes

Caveats:

This function is not thread safe if the handle (snd_afm_t) is used across multiple threads.