Return the file descriptor of the connection to the AFM interface
#include <sys/asoundlib.h> int snd_afm_file_descriptor( snd_afm_t *handle );
(QNX Software Development Platform 6.6 io-audio patch [patch ID 4510] or later) The snd_afm_file_descriptor() function returns the file descriptor of the connection to the Acoustics Management Platform Functional Module (AFM) interface.
You can use this file descriptor with ioctl(), ionotify(), poll(), or select() (see the QNX Neutrino C Library Reference).
The file descriptor of the connection to the AFM interface on success, or a negative error code.
QNX Neutrino
Safety: | |
---|---|
Cancellation point | No |
Interrupt handler | No |
Signal handler | Yes |
Thread | No |