Author: kmacy
Date: Wed Apr 15 21:39:56 2009
New Revision: 191125
URL: http://svn.freebsd.org/changeset/base/191125
Log:
provide additional convenience macros for inpcb locking (upgrade, downgrade,
exclusive)
Modified:
head/sys/netinet/in_pcb.h
Modified: head/sys/netinet/in_pcb.h
==============================================================================
--- head/sys/netinet/in_pcb.h Wed Apr 15 21:36:34 2009 (r191124)
+++ head/sys/netinet/in_pcb.h Wed Apr 15 21:39:56 2009 (r191125)
@@ -313,7 +313,10 @@ struct inpcbinfo {
#define INP_TRY_WLOCK(inp) rw_try_wlock(&(inp)->inp_lock)
#define INP_RUNLOCK(inp) rw_runlock(&(inp)->inp_lock)
#define INP_WUNLOCK(inp) rw_wunlock(&(inp)->inp_lock)
-#define INP_LOCK_ASSERT(inp) rw_assert(&(inp)->inp_lock, RA_LOCKED)
+#define INP_TRY_UPGRADE(inp) rw_try_upgrade(&(inp)->inp_lock)
+#define INP_DOWNGRADE(inp) rw_downgrade(&(inp)->inp_lock)
+#define INP_WLOCKED(inp) rw_wowned(&(inp)->inp_lock)
+#define INP_LOCK_ASSERT(inp) rw_assert(&(inp)->inp_lock, RA_LOCKED)
#define INP_RLOCK_ASSERT(inp) rw_assert(&(inp)->inp_lock, RA_RLOCKED)
#define INP_WLOCK_ASSERT(inp) rw_assert(&(inp)->inp_lock, RA_WLOCKED)
#define INP_UNLOCK_ASSERT(inp) rw_assert(&(inp)->inp_lock, RA_UNLOCKED)
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