FRR's are mandatory! Even on a multiprocessor. Charles
-----Original Message----- From: IBM Mainframe Assembler List [mailto:[email protected]] On Behalf Of Gary Weinhold Sent: Tuesday, December 19, 2017 3:10 PM To: [email protected] Subject: Re: LT Instruction After Compare And Swap If this code ever ran on a uniprocessor, it's could bring it to its knees if the lock field is left locked because cleanup code never ran after an abend or a random error overlaid the lock field.
