Rename macros ("SKIN"-->"TOOL")



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@3062 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/include/valgrind.h.in b/include/valgrind.h.in
index 52d024b..f1cb5d0 100644
--- a/include/valgrind.h.in
+++ b/include/valgrind.h.in
@@ -145,10 +145,12 @@
    start at 0x2000.
 */
 
-#define VG_USERREQ_SKIN_BASE(a,b) \
+// These macros are used by tools -- they must be public, but don't embed them
+// into other programs.
+#define VG_USERREQ_TOOL_BASE(a,b) \
    ((unsigned int)(((a)&0xff) << 24 | ((b)&0xff) << 16))
-#define VG_IS_SKIN_USERREQ(a, b, v) \
-   (VG_USERREQ_SKIN_BASE(a,b) == ((v) & 0xffff0000))
+#define VG_IS_TOOL_USERREQ(a, b, v) \
+   (VG_USERREQ_TOOL_BASE(a,b) == ((v) & 0xffff0000))
 
 typedef
    enum { VG_USERREQ__RUNNING_ON_VALGRIND  = 0x1001,