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
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:
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 |