Deciding Whether Suspension Is Available

SourcePro : Threads Module User's Guide : PART II Concurrency Packages : The Threading Package : The Runnable Object Classes : Suspending and Resuming Execution : Deciding Whether Suspension Is Available

Suspension is not supported in all environments. The Threading package uses the macro RW_THR_HAS_SUSPEND_RESUME to indicate whether the suspend(), resume(), and getSuspendCount() operations are available. If this macro is not defined, the functions throw an RWTHROperationNotSupported exception. You can also determine whether suspension is supported at run-time by calling the canSuspendResume() function in the RWThread and RWThreadSelf classes.