posix/JackShmMem_os.h

   1 /*
   2 Copyright (C) 2001 Paul Davis
   3 Copyright (C) 2004-2008 Grame
   4
   5 This program is free software; you can redistribute it and/or modify
   6 it under the terms of the GNU General Public License as published by
   7 the Free Software Foundation; either version 2 of the License, or
   8 (at your option) any later version.
   9
  10 This program is distributed in the hope that it will be useful,
  11 but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 GNU General Public License for more details.
  14
  15 You should have received a copy of the GNU General Public License
  16 along with this program; if not, write to the Free Software
  17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18
  19 */
  20
  21 #ifndef __JackShmMem_POSIX__
  22 #define __JackShmMem_POSIX__
  23
  24 #include <sys/types.h>
  25 #include <sys/mman.h>
  26
  27 #define CHECK_MLOCK(ptr, size) (mlock((ptr), (size)) == 0)
  28 #define CHECK_MUNLOCK(ptr, size) (munlock((ptr), (size)) == 0)
  29 #define CHECK_MLOCKALL() (mlockall(MCL_CURRENT | MCL_FUTURE) == 0)
  30 #define CHECK_MUNLOCKALL() (munlockall() == 0)
  31
  32 #endif