libstdc++-v3/include/profile/impl/profiler_hashtable_size.h

   1 // -*- C++ -*-
   2 //
   3 // Copyright (C) 2009-2017 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 3, 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 // Under Section 7 of GPL version 3, you are granted additional
  17 // permissions described in the GCC Runtime Library Exception, version
  18 // 3.1, as published by the Free Software Foundation.
  19
  20 // You should have received a copy of the GNU General Public License along
  21 // with this library; see the file COPYING3.  If not see
  22 // <http://www.gnu.org/licenses/>.
  23
  24 /** @file profile/impl/profiler_hashtable_size.h
  25  *  @brief Collection of hashtable size traces.
  26  */
  27
  28 // Written by Lixia Liu and Silvius Rus.
  29
  30 #ifndef _GLIBCXX_PROFILE_PROFILER_HASHTABLE_SIZE_H
  31 #define _GLIBCXX_PROFILE_PROFILER_HASHTABLE_SIZE_H 1
  32
  33 #include "profile/impl/profiler.h"
  34 #include "profile/impl/profiler_node.h"
  35 #include "profile/impl/profiler_trace.h"
  36 #include "profile/impl/profiler_state.h"
  37 #include "profile/impl/profiler_container_size.h"
  38
  39 namespace __gnu_profile
  40 {
  41   /** @brief Hashtable size instrumentation trace producer.  */
  42   class __trace_hashtable_size
  43   : public __trace_container_size
  44   {
  45   public:
  46     __trace_hashtable_size()
  47     : __trace_container_size()
  48     { __id = "hashtable-size"; }
  49   };
  50
  51   inline void
  52   __trace_hashtable_size_init()
  53   { _GLIBCXX_PROFILE_DATA(_S_hashtable_size) = new __trace_hashtable_size(); }
  54
  55   inline void
  56   __trace_hashtable_size_free()
  57   { delete _GLIBCXX_PROFILE_DATA(_S_hashtable_size); }
  58
  59   inline void
  60   __trace_hashtable_size_report(FILE* __f, __warning_vector_t& __warnings)
  61   { __trace_report(_GLIBCXX_PROFILE_DATA(_S_hashtable_size), __f, __warnings); }
  62
  63   inline __container_size_info*
  64   __trace_hashtable_size_construct(std::size_t __num)
  65   {
  66     if (!__profcxx_init())
  67       return 0;
  68
  69     if (!__reentrance_guard::__get_in())
  70       return 0;
  71
  72     __reentrance_guard __get_out;
  73     return _GLIBCXX_PROFILE_DATA(_S_hashtable_size)->
  74       __insert(__get_stack(), __num);
  75   }
  76
  77   inline void
  78   __trace_hashtable_size_resize(__container_size_info* __obj_info,
  79                                 std::size_t __from, std::size_t __to)
  80   {
  81     if (!__obj_info)
  82       return;
  83
  84     __obj_info->__resize(__from, __to);
  85   }
  86
  87   inline void
  88   __trace_hashtable_size_destruct(__container_size_info* __obj_info,
  89                                   std::size_t __num, std::size_t __inum)
  90   {
  91     if (!__obj_info)
  92       return;
  93
  94     _GLIBCXX_PROFILE_DATA(_S_hashtable_size)->
  95       __destruct(__obj_info, __num, __inum);
  96   }
  97
  98 } // namespace __gnu_profile
  99
 100 #endif /* _GLIBCXX_PROFILE_PROFILER_HASHTABLE_SIZE_H */