[Midnightbsd-cvs] src [8648] trunk/share/man/man9/lock.9: lock.9: fix incorrect descriptions.

[laffer1 at midnightbsd.org]

Revision: 8648
          http://svnweb.midnightbsd.org/src/?rev=8648
Author:   laffer1
Date:     2016-09-25 14:22:49 -0400 (Sun, 25 Sep 2016)
Log Message:
-----------
lock.9: fix incorrect descriptions.

Modified Paths:
--------------
    trunk/share/man/man9/lock.9

Modified: trunk/share/man/man9/lock.9
===================================================================
--- trunk/share/man/man9/lock.9	2016-09-25 18:22:11 UTC (rev 8647)
+++ trunk/share/man/man9/lock.9	2016-09-25 18:22:49 UTC (rev 8648)
@@ -148,7 +148,9 @@
 .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 @@
 .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.