snd_afm_stop()

Updated: April 19, 2023

Stop AFM processing

Synopsis:

#include <sys/asoundlib.h>

int snd_afm_stop( 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

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_stop() function stops AFM audio or ACS link processing. No error is returned if the AFM is already stopped.

Returns:

EOK on success, or a negative errno value upon failure.

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

Errors:

-EINVAL
The value of handle is NULL.

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.