davidxu 2008-04-02 04:08:37 UTC
FreeBSD src repository
Modified files:
sys/sys umtx.h
sys/kern kern_umtx.c
Log:
Introduce kernel based userland rwlock. Each umtx chain now has two lists,
one for readers and one for writers, other types of synchronization
object just use first list.
Asked by: jeff
Revision Changes Path
1.65 +487 -45 src/sys/kern/kern_umtx.c
1.31 +21 -1 src/sys/sys/umtx.h
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