svn commit: r209197 - head/sys/sys

[Konstantin Belousov]

Author: kib
Date: Tue Jun 15 09:18:27 2010
New Revision: 209197
URL: http://svn.freebsd.org/changeset/base/209197

Log:
  Add assert to check that the (current) thread is in critical section.
  
  MFC after:	1 month

Modified:
  head/sys/sys/proc.h

Modified: head/sys/sys/proc.h
==============================================================================
--- head/sys/sys/proc.h	Tue Jun 15 09:12:31 2010	(r209196)
+++ head/sys/sys/proc.h	Tue Jun 15 09:18:27 2010	(r209197)
@@ -325,6 +325,9 @@ do {									\
 #define	THREAD_LOCKPTR_ASSERT(td, lock)
 #endif
 
+#define	CRITSECT_ASSERT(td)						\
+    KASSERT((td)->td_critnest >= 1, ("Not in critical section"));
+
 /*
  * Flags kept in td_flags:
  * To change these you MUST have the scheduler lock.