Author: avg Date: Sun Dec 23 12:56:04 2012 New Revision: 244627 URL: http://svnweb.freebsd.org/changeset/base/244627
Log: lock.9: fix incorrect descriptions of LK_SHARED and LK_DOWNGRADE behavior Reviewed by: attilio MFC after: 5 days X-MFC after: r243900 Modified: head/share/man/man9/lock.9 Modified: head/share/man/man9/lock.9 ============================================================================== --- head/share/man/man9/lock.9 Sun Dec 23 12:46:28 2012 (r244626) +++ head/share/man/man9/lock.9 Sun Dec 23 12:56:04 2012 (r244627) @@ -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. _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
