Delete a data server variable
Synopsis:
#include <ds.h>
int ds_clear( ds_t dsdes,
const char* variable_name );
Arguments:
- dsdes
- A data server descriptor returned by
ds_register().
- variable_name
- The name of the variable that you want to delete.
Library:
libds
Use the -l ds option to
qcc
to link against this library.
Description:
The ds_clear() function deletes variable_name
from the data server identified by dsdes.
Returns:
- 0
- Success.
- -1
- An error occurred (errno is set).
Errors:
- EBADF
- Invalid file descriptor dsdes.
- ESRCH
- The variable doesn't exist in the data server.
Classification:
QNX Neutrino
Safety: |
|
Cancellation point |
Yes |
Interrupt handler |
No |
Signal handler |
Yes |
Thread |
Yes |