libringbuffer/mmap.h

   1 #ifndef _LTTNG_MMAP_H
   2 #define _LTTNG_MMAP_H
   3
   4 /*
   5  * Copyright (c) 2019 - Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; only
  10  * version 2.1 of the License.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20  */
  21
  22 #include <sys/mman.h>
  23
  24 #if defined(__linux__) && defined(MAP_POPULATE)
  25 # define LTTNG_MAP_POPULATE MAP_POPULATE
  26 #else
  27 # define LTTNG_MAP_POPULATE 0
  28 #endif /* __linux__ && MAP_POPULATE */
  29
  30 #endif /* _LTTNG_MMAP_H */