snd_pcm_close()

Arguments:

handle

The handle for the PCM device, which you must have opened by calling snd_pcm_open_name(), snd_pcm_open(), or snd_pcm_open_preferred().

Library:

libasound.so

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

Description:

The snd_pcm_close() function frees all resources allocated with the audio handle and closes the connection to the PCM interface.

Returns:

EOK on success, a negative errno upon failure. The errno values are available in the errno.h file.

Errors:

-EINTR

The close() call was interrupted by a signal.

-EINVAL

The state of handle is invalid or an invalid state change occurred. You can call snd_pcm_channel_status() to check if the state change was invalid.

-EIO

An I/O error occurred while updating the directory information.

-ENOSPC

A previous buffered write call has failed.

Classification:

QNX Neutrino

Caveats:

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