private: static long (__cdecl* ACE_Atomic_Op<class ACE_Thread_Mutex, long>::exchange_fn_)(long volatile *, long)

Mangled name

?exchange_fn_@?$ACE_Atomic_Op@VACE_Thread_Mutex@@J@@0P6AJPCJJ@ZA

Exported by

size	filename	version
1446001	ACEd.dll	5.4.3