libringbuffer/mmap.h

   1 /*
   2  * SPDX-License-Identifier: LGPL-2.1-only
   3  *
   4  * Copyright (C) 2019 Jonathan Rajotte <jonathan.rajotte-julien@efficios.com>
   5  */
   6
   7 #ifndef _LTTNG_MMAP_H
   8 #define _LTTNG_MMAP_H
   9
  10 #include <sys/mman.h>
  11
  12 #if defined(__linux__) && defined(MAP_POPULATE)
  13 # define LTTNG_MAP_POPULATE MAP_POPULATE
  14 #else
  15 # define LTTNG_MAP_POPULATE 0
  16 #endif /* __linux__ && MAP_POPULATE */
  17
  18 #endif /* _LTTNG_MMAP_H */