sysdeps/generic/memusage.h

   1 /* Copyright (C) 2000, 2005 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18
  19 #include <limits.h>
  20 #include <atomic.h>
  21
  22 #ifndef GETSP
  23 # warning "GETSP is not defined for this architecture."
  24 # define GETSP 0
  25 #endif
  26
  27 #ifndef GETTIME
  28 # define GETTIME(low,high) \
  29   {                                                                           \
  30     struct timeval tval;                                                      \
  31     uint64_t usecs;                                                           \
  32     gettimeofday (&tval, NULL);                                               \
  33     usecs = (uint64_t) tval.tv_usec + (uint64_t) tval.tv_usec * 1000000;      \
  34     low = usecs & 0xffffffff;                                                 \
  35     high = usecs >> 32;                                                       \
  36   }
  37 #endif
  38
  39 #if LONG_BIT == 32
  40 # define memusage_cntr_t uatomic32_t
  41 #else
  42 # define memusage_cntr_t uatomic64_t
  43 #endif
  44 #ifndef memusage_size_t
  45 # if LONG_BIT == 32
  46 #  define memusage_size_t uatomic32_t
  47 # else
  48 #  define memusage_size_t uatomic64_t
  49 # endif
  50 #endif