Date: Sun, 20 Jan 2013 16:23:38 +0000 (UTC) From: Andriy Gapon <avg@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r245694 - stable/9/share/man/man9 Message-ID: <201301201623.r0KGNcFr033839@svn.freebsd.org>
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Author: avg Date: Sun Jan 20 16:23:37 2013 New Revision: 245694 URL: http://svnweb.freebsd.org/changeset/base/245694 Log: MFC r244627: lock.9: fix incorrect descriptions of LK_SHARED and LK_DOWNGRADE behavior Modified: stable/9/share/man/man9/lock.9 Directory Properties: stable/9/share/man/man9/ (props changed) Modified: stable/9/share/man/man9/lock.9 ============================================================================== --- stable/9/share/man/man9/lock.9 Sun Jan 20 16:15:30 2013 (r245693) +++ stable/9/share/man/man9/lock.9 Sun Jan 20 16:23:37 2013 (r245694) @@ -148,7 +148,9 @@ Flags indicating what action is to be ta .Bl -tag -width ".Dv LK_CANRECURSE" .It Dv LK_SHARED Acquire a shared lock. -If an exclusive lock is currently held, it will be downgraded. +If an exclusive lock is currently held, +.Dv EDEADLK +will be returned. .It Dv LK_EXCLUSIVE Acquire an exclusive lock. If an exclusive lock is already held, and @@ -158,7 +160,8 @@ is not set, the system will .It Dv LK_DOWNGRADE Downgrade exclusive lock to a shared lock. Downgrading a shared lock is not permitted. -If an exclusive lock has been recursed, all references will be downgraded. +If an exclusive lock has been recursed, the system will +.Xr panic 9 . .It Dv LK_UPGRADE Upgrade a shared lock to an exclusive lock. If this call fails, the shared lock is lost.
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