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 Lesser General Public License as published by
   7  the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
  14
  15  You should have received a copy of the GNU Lesser General Public License
  16  along with this program; if not, write to the Free Software
  17  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 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