wrapper/timer.h

   1 #ifndef _LTTNG_WRAPPER_TIMER_H
   2 #define _LTTNG_WRAPPER_TIMER_H
   3
   4 /*
   5  * wrapper/timer.h
   6  *
   7  * wrapper around linux/timer.h.
   8  *
   9  * Copyright (C) 2016 Michael Jeanson <mjeanson@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 #include <linux/timer.h>
  28 #include <lttng-kernel-version.h>
  29
  30
  31 #if (LTTNG_RT_VERSION_CODE >= LTTNG_RT_KERNEL_VERSION(4,6,4,8) \
  32         || LINUX_VERSION_CODE >= KERNEL_VERSION(4,8,0))
  33
  34 #define lttng_init_timer_pinned(timer)                                  \
  35         init_timer_pinned(timer)
  36
  37 static inline int lttng_mod_timer_pinned(struct timer_list *timer,
  38                 unsigned long expires)
  39 {
  40         return mod_timer(timer, expires);
  41 }
  42
  43 #else
  44
  45 #define lttng_init_timer_pinned(timer)                                  \
  46         init_timer(timer)
  47
  48 static inline int lttng_mod_timer_pinned(struct timer_list *timer,
  49                 unsigned long expires)
  50 {
  51         return mod_timer_pinned(timer, expires);
  52 }
  53
  54 #endif
  55
  56 #endif /* _LTTNG_WRAPPER_TIMER_H */