Returns the events for which the calling process is currently registered to be sent a SIGPOLL signal.
The I_GETSIG operation returns the events for which the calling process is currently registered to be sent a SIGPOLL signal. The events are returned as a bitmask pointed to by the arg parameter, where the events are those specified in the description of the I_SETSIG operation.
This operation is part of STREAMS Kernel Extensions.
If unsuccessful, the errno global variable is set to one of the following values:
| Value | Description |
|---|---|
| EINVAL | Process not registered to receive the SIGPOLL signal. |
| EFAULT | The arg parameter points outside the allocated address space. |
The streamio operations.
The I_SETSIG streamio operation.