X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Furcu-utils.h;h=face6552215540f332ae8920a0a64cee5dc17984;hb=HEAD;hp=1d91bc92be24f7906547db2bc561150b45f17edd;hpb=4477a87021ffbfbfdb2a2084d05a084171343d36;p=urcu.git

diff --git a/src/urcu-utils.h b/src/urcu-utils.h
index 1d91bc9..face655 100644
--- a/src/urcu-utils.h
+++ b/src/urcu-utils.h
@@ -1,29 +1,31 @@
+// SPDX-FileCopyrightText: 2018 Michael Jeanson <mjeanson@efficios.com>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
+
 #ifndef _URCU_UTILS_H
 #define _URCU_UTILS_H
 
 /*
- * urcu-utils.h
- *
  * Userspace RCU library internal utils
- *
- * Copyright (c) 2018 Michael Jeanson <mjeanson@efficios.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
+#include <urcu/config.h>
+
 #define urcu_stringify(a) _urcu_stringify(a)
 #define _urcu_stringify(a) #a
 
+#define max_t(type, x, y)				\
+	({						\
+		type __max1 = (x);              	\
+		type __max2 = (y);              	\
+		__max1 > __max2 ? __max1: __max2;	\
+	})
+
+#define min_t(type, x, y)				\
+	({						\
+		type __min1 = (x);              	\
+		type __min2 = (y);              	\
+		__min1 <= __min2 ? __min1: __min2;	\
+	})
+
 #endif /* _URCU_UTILS_H */