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Introduce kernel based userland rwlock. Each umtx chain now has two lists,

Description

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

Details

Provenance
David Xu <davidxu@FreeBSD.org>Authored on Apr 2 2008, 4:08 AM
Parents
rGc709e029e7fd: Add manpages for rw_try_rlock() and rw_try_wlock() functions.
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