X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=isl_id_private.h;h=c583b31b177e80f6d4f14e80c7c9a8ea8f32d64c;hb=e1010c063b607ec8f65d14d6190de94a3f601b25;hp=6fb17937ad277ac66ecf638a633d555b2f638bc1;hpb=9e4b65d0a1f40138fb0c98ae3e597e6fa1330075;p=platform%2Fupstream%2Fisl.git

diff --git a/isl_id_private.h b/isl_id_private.h
index 6fb1793..c583b31 100644
--- a/isl_id_private.h
+++ b/isl_id_private.h
@@ -1,7 +1,7 @@
 /*
  * Copyright 2008-2009 Katholieke Universiteit Leuven
  *
- * Use of this software is governed by the GNU LGPLv2.1 license
+ * Use of this software is governed by the MIT license
  *
  * Written by Sven Verdoolaege, K.U.Leuven, Departement
  * Computerwetenschappen, Celestijnenlaan 200A, B-3001 Leuven, Belgium
@@ -12,6 +12,11 @@
 
 #include <isl/id.h>
 
+/* Represent a name and/or user pointer.
+ *
+ * If "free_user" is set, then it will be called on "user" when
+ * the last instance of the isl_id is freed.
+ */
 struct isl_id {
 	int ref;
 	isl_ctx *ctx;
@@ -19,8 +24,12 @@ struct isl_id {
 	const char *name;
 	void *user;
 	uint32_t hash;
+
+	__isl_give void (*free_user)(void *user);
 };
 
 uint32_t isl_hash_id(uint32_t hash, __isl_keep isl_id *id);
 
+extern isl_id isl_id_none;
+
 #endif