libstdc++-v3/testsuite/testsuite_hooks.cc

   1 // Utility subroutines for the C++ library testsuite.
   2 //
   3 // Copyright (C) 2002 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 2, or (at your option)
   9 // any later version.
  10 //
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING.  If not, write to the Free
  18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20 //
  21 // As a special exception, you may use this file as part of a free software
  22 // library without restriction.  Specifically, if other files instantiate
  23 // templates or use macros or inline functions from this file, or you compile
  24 // this file and link it with other files to produce an executable, this
  25 // file does not by itself cause the resulting executable to be covered by
  26 // the GNU General Public License.  This exception does not however
  27 // invalidate any other reasons why the executable file might be covered by
  28 // the GNU General Public License.
  29
  30 #include <testsuite_hooks.h>
  31
  32 #ifdef _GLIBCPP_MEM_LIMITS
  33 #include <sys/resource.h>
  34 #include <unistd.h>
  35
  36 void
  37 __set_testsuite_memlimit(float __size)
  38 {
  39     struct rlimit r;
  40     rlim_t limit = (rlim_t)(__size * 1048576);
  41
  42     // Heap size, seems to be common.
  43 #if _GLIBCPP_HAVE_MEMLIMIT_DATA
  44     getrlimit(RLIMIT_DATA, &r);
  45     r.rlim_cur = limit;
  46     setrlimit(RLIMIT_DATA, &r);
  47 #endif
  48
  49     // Resident set size.
  50 #if _GLIBCPP_HAVE_MEMLIMIT_RSS
  51     getrlimit(RLIMIT_RSS, &r);
  52     r.rlim_cur = limit;
  53     setrlimit(RLIMIT_RSS, &r);
  54 #endif
  55
  56     // Mapped memory (brk + mmap).
  57 #if _GLIBCPP_HAVE_MEMLIMIT_VMEM
  58     getrlimit(RLIMIT_VMEM, &r);
  59     r.rlim_cur = limit;
  60     setrlimit(RLIMIT_VMEM, &r);
  61 #endif
  62
  63     // Virtual memory.
  64 #if _GLIBCPP_HAVE_MEMLIMIT_AS
  65     getrlimit(RLIMIT_AS, &r);
  66     r.rlim_cur = limit;
  67     setrlimit(RLIMIT_AS, &r);
  68 #endif
  69 }
  70 #endif /* _GLIBCPP_MEM_LIMITS */
  71
  72
  73 gnu_counting_struct::size_type  gnu_counting_struct::count = 0;
  74
  75 int gnu_copy_tracker::itsCopyCount = 0;
  76 int gnu_copy_tracker::itsDtorCount = 0;
  77