Date: Fri, 3 Apr 2009 23:52:47 +0000 (UTC) From: Tom Rhodes <trhodes@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r190680 - head/share/man/man9 Message-ID: <200904032352.n33NqlCd037300@svn.freebsd.org>
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Author: trhodes Date: Fri Apr 3 23:52:47 2009 New Revision: 190680 URL: http://svn.freebsd.org/changeset/base/190680 Log: Catch up with recent locking changes. PR: 132546 Submitted by: pluknet <pluknet@gmail.com> Reviewed by: alc Modified: head/share/man/man9/vm_map_lock.9 Modified: head/share/man/man9/vm_map_lock.9 ============================================================================== --- head/share/man/man9/vm_map_lock.9 Fri Apr 3 21:13:18 2009 (r190679) +++ head/share/man/man9/vm_map_lock.9 Fri Apr 3 23:52:47 2009 (r190680) @@ -73,7 +73,6 @@ The .Fn vm_map_lock_read macro obtains a read-lock on .Fa map . -Currently this is implemented as an exclusive lock. .Pp The .Fn vm_map_unlock_read @@ -93,23 +92,18 @@ macro attempts to obtain a read-lock on .Fa map . It returns FALSE if the lock cannot be immediately acquired; otherwise return TRUE with the lock acquired. -Currently this is implemented as an exclusive lock. .Pp The .Fn vm_map_lock_upgrade macro attempts to atomically upgrade a read-lock on .Fa map to an exclusive lock. -As read-locks are currently implemented as exclusive locks, -this macro is a no-op. .Pp The .Fn vm_map_lock_downgrade macro attempts to downgrade an exclusive lock on .Fa map to a read-lock. -As read-locks are currently implemented as exclusive locks, -this macro is a no-op. .Sh IMPLEMENTATION NOTES Currently, all of the locking macros implement their locks as sleep locks. .Sh SEE ALSO
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