## READERWRITERLOCKINFORMATION

### Definition

The READERWRITERLOCKINFORMATION system table describes reader-writer locks.

### Structure

READERWRITERLOCKINFORMATION

READERWRITERLOCKADDRESS | CHAR(20) | Address in memory
SPINLOCKPOOLNAME | CHAR(40) | Name of the spin lock pool used
READERWRITERLOCKINDEX | FIXED(20) | Index in a group of reader-writer locks that use the spin lock pool
LASTENTEREDTASKID | FIXED(10) | ID of the task that last gained access to the reader-writer lock