arch/all-unix/kernel/getpagesize.c

   1 /*
   2     Copyright © 2011, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: Query UNIX host OS for memory page size
   6     Lang: english
   7 */
   8
   9 #include "hostinterface.h"
  10 #include "kernel_base.h"
  11 #include "kernel_debug.h"
  12 #include "kernel_unix.h"
  13
  14 unsigned int krnGetPageSize(void *hostlib)
  15 {
  16     int (*getpagesize)(void);
  17     char *errstr;
  18     int ret;
  19
  20     getpagesize = HostIFace->hostlib_GetPointer(hostlib, "getpagesize", &errstr);
  21     AROS_HOST_BARRIER
  22
  23     if (!getpagesize)
  24     {
  25         krnPanic(NULL, "Failed to obtain memory page size\n"
  26                        "%s", errstr);
  27         return 0;
  28     }
  29
  30     ret = getpagesize();
  31     AROS_HOST_BARRIER
  32
  33     return ret;
  34 }