audit error numbers

[Kathy McGohan_1]

System is a RP7400 with HP-UX 11.0.
When doing an audisp on an audit log, I see several error numbers. Here is an example:
ERRNO = 4; RETURN_VALUE 1 = -1;
PARAM #1 (int) = 7518
PARAM #2 (sembuf) = 8 (sem_num));
65535 (sem_op)
0 (sem_flg)
PARAM #3 (int) = 1

What does all this mean? How do I find out what all the ERRNO mean?

[Brian Bergstrand · Accepted solution]

From /usr/include/sys/errno.h:

#define EINTR 4 /* interrupted system call */

So this means that a system call to the kernel returned while still in progress. Possibly because the process making the call was killed. I'm sure there are other conditions: like maybe a semaphore timeout, or some other lock contention. Just guessing though.