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Close a PCM handle and free its resources
#include <sys/asoundlib.h> int snd_pcm_close( snd_pcm_t *handle );
- The handle for the PCM device, which you must have opened by calling snd_pcm_open() or snd_pcm_open_preferred().
The snd_pcm_close() function frees all resources allocated with the audio handle and closes the connection to the PCM interface.
Zero on success, or a negative value on error.
- The close() call was interrupted by a signal.
- Invalid handle argument.
- An I/O error occurred while updating the directory information.
- A previous buffered write call has failed.