main [class UnsafeCallback]
main [class UnsafeFnPointer]
main [class UnsafePointer]
main [class UnsafePointerView]
main [Function: dlopen]
worker [class UnsafeCallback]
worker [class UnsafeFnPointer]
worker [class UnsafePointer]
worker [class UnsafePointerView]
worker [Function: dlopen]