snd_pcm_unlink()
Detach a PCM stream from a link group
Synopsis:
#include <sys/asoundlib.h>
int snd_pcm_unlink( snd_pcm_t *pcm );
Arguments:
- pcm
- 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 with qcc to link against this library.
Description:
The snd_pcm_unlink() function detaches a PCM stream from a link group. After this point, starting and stopping this PCM stream affects the stream only, not any other streams.
Returns:
0 on success, or -1 if an error occurred (errno is set).
Classification:
QNX Neutrino
| Safety: | |
|---|---|
| Cancellation point | No |
| Interrupt handler | No |
| Signal handler | Yes |
| Thread | Read the Caveats |
Caveats:
This function is not thread safe if pcm(snd_pcm_t) is used across multiple threads.
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