X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=lttng-kernel-version.h;fp=lttng-kernel-version.h;h=280a398a93e370db16f95b416802fb0ef0946213;hb=5fa38800d965d5fa35a2c0c9a93e330711ec87e0;hp=0000000000000000000000000000000000000000;hpb=d3ac4d63d21c643df5b09d9d7888eb0c4122379c;p=lttng-modules.git

diff --git a/lttng-kernel-version.h b/lttng-kernel-version.h
new file mode 100644
index 00000000..280a398a
--- /dev/null
+++ b/lttng-kernel-version.h
@@ -0,0 +1,36 @@
+#ifndef _LTTNG_KERNEL_VERSION_H
+#define _LTTNG_KERNEL_VERSION_H
+
+/*
+ * lttng-kernel-version.h
+ *
+ * Contains helpers to check more complex kernel version conditions.
+ *
+ * Copyright (C) 2012 Mathieu Desnoyers <mathieu.desnoyers@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; only
+ * version 2.1 of the License.
+ *
+ * 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 <linux/version.h>
+
+/*
+ * This macro checks if the kernel version is between the two specified
+ * versions (inclusive).
+ */
+#define LTTNG_KERNEL_RANGE(a_low, b_low, c_low, a_high, b_high, c_high) \
+	(LINUX_VERSION_CODE >= KERNEL_VERSION(a_low, b_low, c_low) && \
+	 LINUX_VERSION_CODE <= KERNEL_VERSION(a_high, b_high, c_high))
+
+#endif /* _LTTNG_KERNEL_VERSION_H */