3006 VERIFY[S,U,P] and ASSERT[S,U,P] frequently check if first argument is zero

@@ -21,10 +21,14 @@
 /*
  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
+/*
+ * Copyright (c) 2012 by Delphix. All rights reserved.
+ */
+
 /*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
 /*        All Rights Reserved   */
 
 #ifndef _SYS_DEBUG_H
 #define _SYS_DEBUG_H

@@ -112,18 +116,22 @@
 _NOTE(CONSTCOND) } while (0)
 
 #define VERIFY3S(x, y, z)       VERIFY3_IMPL(x, y, z, int64_t)
 #define VERIFY3U(x, y, z)       VERIFY3_IMPL(x, y, z, uint64_t)
 #define VERIFY3P(x, y, z)       VERIFY3_IMPL(x, y, z, uintptr_t)
+#define VERIFY0(x)              VERIFY3_IMPL(x, ==, 0, uintmax_t)
+
 #if DEBUG
 #define ASSERT3S(x, y, z)       VERIFY3_IMPL(x, y, z, int64_t)
 #define ASSERT3U(x, y, z)       VERIFY3_IMPL(x, y, z, uint64_t)
 #define ASSERT3P(x, y, z)       VERIFY3_IMPL(x, y, z, uintptr_t)
+#define ASSERT0(x)              VERIFY3_IMPL(x, ==, 0, uintmax_t)
 #else
 #define ASSERT3S(x, y, z)       ((void)0)
 #define ASSERT3U(x, y, z)       ((void)0)
 #define ASSERT3P(x, y, z)       ((void)0)
+#define ASSERT0(x)              ((void)0)
 #endif
 
 #ifdef  _KERNEL
 
 extern void abort_sequence_enter(char *);