Returns the status of a process.
kpidstate (pid) pid_t pid;
The kpidstate subroutine returns the state of a process specified by the pid parameter. The kpidstate subroutine can only be called by a process.
| pid | Specifies the product ID. |
If the pid parameter is not valid, KP_NOTFOUND is returned. If the pid parameter is valid, the following settings in the process state determine what is returned:
| SNONE | Return KP_NOTFOUND. |
| SIDL | Return KP_INITING. |
| SZOMB | Return KP_EXITING, also if SEXIT in pv_flag. |
| SSTOP | Return KP_STOPPED. |
Otherwise the pid is alive and KP_ALIVE is returned.