sysdeps/unix/sysv/linux/sparc/getsysstats.c

   1 /* Determine various system internal values, Linux/Sparc version.
   2    Copyright (C) 1999 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Andreas Schwab <schwab@suse.de> and
   5                   Jakub Jelinek <jj@ultra.linux.cz>
   6
   7    The GNU C Library is free software; you can redistribute it and/or
   8    modify it under the terms of the GNU Lesser General Public
   9    License as published by the Free Software Foundation; either
  10    version 2.1 of the License, or (at your option) any later version.
  11
  12    The GNU C Library is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15    Lesser General Public License for more details.
  16
  17    You should have received a copy of the GNU Lesser General Public
  18    License along with the GNU C Library; if not, write to the Free
  19    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  20    02111-1307 USA.  */
  21
  22
  23 /* We need to define a special parser for /proc/cpuinfo.  */
  24 #define GET_NPROCS_PARSER(FP, BUFFER, RESULT)                             \
  25   do                                                                      \
  26     {                                                                     \
  27       (RESULT) = 0;                                                       \
  28       /* Find the line that contains the information about the number of  \
  29          active cpus.  We don't have to fear extremely long lines since   \
  30          the kernel will not generate them.  8192 bytes are really        \
  31          enough.  */                                                      \
  32       while (fgets_unlocked (BUFFER, sizeof (BUFFER), FP) != NULL)        \
  33         if (sscanf (BUFFER, "ncpus active : %d", &(RESULT)) == 1)         \
  34           break;                                                          \
  35     }                                                                     \
  36   while (0)
  37
  38
  39 /* On the Sparc we can distinguish between the number of configured and
  40    active cpus.  */
  41 #define GET_NPROCS_CONF_PARSER(FP, BUFFER, RESULT)                       \
  42   do                                                                     \
  43     {                                                                    \
  44       (RESULT) = 0;                                                      \
  45       /* Find the line that contains the information about the number of \
  46          probed cpus.  We don't have to fear extremely long lines since  \
  47          the kernel will not generate them.  8192 bytes are really       \
  48          enough.  */                                                     \
  49       while (fgets_unlocked ((BUFFER), sizeof (BUFFER), (FP)) != NULL)   \
  50         if (sscanf (buffer, "ncpus probed : %d", &(RESULT)) == 1)        \
  51           break;                                                         \
  52     }                                                                    \
  53   while (0)
  54
  55 #include <sysdeps/unix/sysv/linux/getsysstats.c>