svn commit: r271003 - stable/10/sys/cddl/compat/opensolaris/sys

[Xin LI]

Author: delphij
Date: Wed Sep  3 08:24:11 2014
New Revision: 271003
URL: http://svnweb.freebsd.org/changeset/base/271003

Log:
  MFC r270260:
  
  Provide compatibility shim for atomic_dec_64_nv.

Modified:
  stable/10/sys/cddl/compat/opensolaris/sys/atomic.h
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/sys/cddl/compat/opensolaris/sys/atomic.h
==============================================================================
--- stable/10/sys/cddl/compat/opensolaris/sys/atomic.h	Wed Sep  3 08:21:21 2014	(r271002)
+++ stable/10/sys/cddl/compat/opensolaris/sys/atomic.h	Wed Sep  3 08:24:11 2014	(r271003)
@@ -117,6 +117,12 @@ atomic_inc_64_nv(volatile uint64_t *targ
 	return (atomic_add_64_nv(target, 1));
 }
 
+static __inline uint64_t
+atomic_dec_64_nv(volatile uint64_t *target)
+{
+	return (atomic_add_64_nv(target, -1));
+}
+
 #if !defined(COMPAT_32BIT) && defined(__LP64__)
 static __inline void *
 atomic_cas_ptr(volatile void *target, void *cmp,  void *newval)