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FromMichael Nelson <>
SubjectRE: Good point of Linux over Windows NT
DateWed, 22 Jan 1997 23:27:32 -0500
>Since the guts of NT are basically VMS warmed over (hmmm, that would make 
>it RSX11M mk III), "asynchronous I/O" probably means the ability to 
>request that the kernel start an I/O and send a signal when it is 
>complete.  Meanwhile the user process goes on doing other stuff.  
>Traditionally Unix-like systems do this by forking.  Linux can do better 
>than that, with threads.  (VMS I/O forking is a special case of 
>multithreading.)  So probably the only thing that is missing is some 
>syntactic sugar to package the I/O thread(s) conveniently.

>Did I get it right?

See http://www.microsoft.com/win32dev/base/scalabil.htm for a Microsoft article on writing
scalable Win32 apps. Click the search button at the top of the screen and type in "I/O Completion 
Ports" and/or "overlapped I/O" for related information.

Back to Linux. . .

-mike


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