Jeff Roberson 58a3c27384 - Add a new function, thread_signal_add(), that is called from postsig to
add a signal to a mailbox's pending set.
 - Add a new function, thread_signal_upcall(), this causes the current thread
   to upcall so that we can deliver pending signals.

Reviewed by:	mini
2003-02-17 09:58:11 +00:00
..
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