- -- tidy before the call
- Bool -- => True, external function is also re-entrant.
- -- [if supported, RTS arranges for the external call
- -- to be executed by a separate OS thread, i.e.,
- -- _concurrently_ to the execution of other Haskell threads.]
+ -- tidy before the call. Additionally, in the threaded
+ -- RTS we arrange for the external call to be executed
+ -- by a separate OS thread, i.e., _concurrently_ to the
+ -- execution of other Haskell threads.
+
+ Bool -- Indicates the deprecated "threadsafe" annotation
+ -- which is now an alias for "safe". This information
+ -- is never used except to emit a deprecation warning.