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snd_pcm_close()

Close a PCM handle and free its resources

Synopsis:

#include <sys/asoundlib.h>

int snd_pcm_close( snd_pcm_t *handle );

Arguments:

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

Library:

libasound.so

Description:

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

Returns:

Zero on success, or a negative value on error.

Errors:

-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.

Classification:

QNX Neutrino

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

See also:

snd_pcm_open(), snd_pcm_open_preferred()

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