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DateWed, 22 Jan 1997 13:10:00 -0500 (EST)
Fromyuri mironoff <>
SubjectRe: Good point of Linux over Windows NT

On Wed, 22 Jan 1997, Mark H. Wood wrote:

> 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?
> 

   Not quite, the returning AST under VMS interrupts the "parent" process
at a previously provided handler function. I'm not sure thats possible
under the current thread inplementations.

						Y.


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