K 10
svn:author
V 7
davidxu
K 8
svn:date
V 27
2005-03-02T13:43:51.000000Z
K 7
svn:log
V 391
In kern_sigtimedwait, remove waitset bits for td_sigmask before
sleeping, so in do_tdsignal, we no longer need to test td_waitset.
now td_waitset is only used to give a thread higher priority when
delivering signal to multithreads process.
This also fixes a bug:
when a thread in sigwait states was suspended and later resumed
by SIGCONT, it can no longer receive signals belong to waitset.

END