SHARELOCKWAITINGTASKS 
The SYSINFO.SHARELOCKWAITINGTASKS system table describes waiting times on reader-writer locks (share locks).
Structure
SHARELOCKADDRESS |
CHAR(20) |
Address in memory |
WAITINGTASKID |
FIXED(10) |
ID of the task waiting for the reader-writer lock (share lock) |
More Information
SHARELOCKSTATISTICS, SHARELOCKINFORMATION
Concepts of the Database System, Working Memory Areas
Glossary, Critical Section