Limits: Graceful Cancellation and Timeout Support in Rexx's SIGNAL ON HALT
Graceful Cancellation and Timeout Handling The Rexx language provides a SIGNAL ON HALT clause to trap asynchronous interrupt requests such as Ctrl+C. However, the standard does not define a portable timeout for blocking operations like ADDRESS host commands or I/O, and the behavior of a trapped HALT varies across Classic, Open Object, and Regina Rexx. When a
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