[plt-scheme] threads and mzscheme

Matthew Flatt schreef:

>You're right --- it won't work. MzScheme semaphores work only with the
>MzScheme thread scheduler.
>
>You'll need to use whatever synchronization primitives the C thread
>system provides, and then connect to the MzScheme scheduler through
>scheme_block_until() or scheme_add_evt().
>
>Matthew
>
>  
>
 From the "Inside" manual: on scheme_block_until()

"If |f| ever returns a true value, it must continue to return a true 
value. "

Until when? Until scheme_block_until() returns?

Hans






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