lttng-kernel-version.h

   1 #ifndef _LTTNG_KERNEL_VERSION_H
   2 #define _LTTNG_KERNEL_VERSION_H
   3
   4 /*
   5  * lttng-kernel-version.h
   6  *
   7  * Contains helpers to check more complex kernel version conditions.
   8  *
   9  * Copyright (C) 2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  10  *
  11  * This library is free software; you can redistribute it and/or
  12  * modify it under the terms of the GNU Lesser General Public
  13  * License as published by the Free Software Foundation; only
  14  * version 2.1 of the License.
  15  *
  16  * This library is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  19  * Lesser General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU Lesser General Public
  22  * License along with this library; if not, write to the Free Software
  23  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  24  */
  25
  26 #include <linux/version.h>
  27
  28 /*
  29  * This macro checks if the kernel version is between the two specified
  30  * versions (lower limit inclusive, upper limit exclusive).
  31  */
  32 #define LTTNG_KERNEL_RANGE(a_low, b_low, c_low, a_high, b_high, c_high) \
  33         (LINUX_VERSION_CODE >= KERNEL_VERSION(a_low, b_low, c_low) && \
  34          LINUX_VERSION_CODE < KERNEL_VERSION(a_high, b_high, c_high))
  35
  36 #endif /* _LTTNG_KERNEL_VERSION_H */