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CVS commit: src/sys
Module Name: src
Committed By: ad
Date: Thu Mar 29 17:34:39 UTC 2007
Modified Files:
src/sys/kern: kern_condvar.c kern_sleepq.c
src/sys/sys: condvar.h lwp.h sleepq.h
Log Message:
- cv_wakeup: remove this. There are ~zero situations where it's useful.
- cv_wait and friends: after resuming execution, check to see if we have
been restarted as a result of cv_signal. If we have, but cannot take
the wakeup (because of eg a pending Unix signal or timeout) then try to
ensure that another LWP sees it. This is necessary because there may
be multiple waiters, and at least one should take the wakeup if possible.
Prompted by a discussion with pooka@.
- typedef struct lwp lwp_t;
- int -> bool, struct lwp -> lwp_t in a few places.
To generate a diff of this commit:
cvs rdiff -r1.5 -r1.6 src/sys/kern/kern_condvar.c
cvs rdiff -r1.7 -r1.8 src/sys/kern/kern_sleepq.c
cvs rdiff -r1.2 -r1.3 src/sys/sys/condvar.h
cvs rdiff -r1.57 -r1.58 src/sys/sys/lwp.h
cvs rdiff -r1.5 -r1.6 src/sys/sys/sleepq.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
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