SysSockGetLastErrorΒΆ
This function block calls the function getlasterror of the operating system, which returns the error code of the last error occurred at the given socket.
| Input Variable | Data type | Description |
|---|---|---|
| diSocket | DINT | Descriptor of the socket, returned by SysSockCreate (corresponding parameter e.g. in Win32: s) |
| bEnable | BOOL | Rising edge: the function block starts the action. |
| Output Variable | Data type | Description |
|---|---|---|
| bDone | BOOL | TRUE indicates that the function block has completed processing. |
| bBusy | BOOL | TRUE indicates that the function block is still processing. |
| bError | BOOL | TRUE indicates that an error has occured. |
| wErrorId | WORD | Error number |
| dwLastError | DWORD | Return value of getlasterror of operating system. |