third_party/tcmalloc/vendor/src/base/googleinit.h

   1 // Copyright (c) 2005, Google Inc.
   2 // All rights reserved.
   3 //
   4 // Redistribution and use in source and binary forms, with or without
   5 // modification, are permitted provided that the following conditions are
   6 // met:
   7 //
   8 //     * Redistributions of source code must retain the above copyright
   9 // notice, this list of conditions and the following disclaimer.
  10 //     * Redistributions in binary form must reproduce the above
  11 // copyright notice, this list of conditions and the following disclaimer
  12 // in the documentation and/or other materials provided with the
  13 // distribution.
  14 //     * Neither the name of Google Inc. nor the names of its
  15 // contributors may be used to endorse or promote products derived from
  16 // this software without specific prior written permission.
  17 //
  18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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  27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29
  30 // ---
  31 // Author: Jacob Hoffman-Andrews
  32
  33 #ifndef _GOOGLEINIT_H
  34 #define _GOOGLEINIT_H
  35
  36 #include "base/logging.h"
  37
  38 class GoogleInitializer {
  39  public:
  40   typedef void (*VoidFunction)(void);
  41   GoogleInitializer(const char* name, VoidFunction ctor, VoidFunction dtor)
  42       : name_(name), destructor_(dtor) {
  43     RAW_VLOG(10, "<GoogleModuleObject> constructing: %s\n", name_);
  44     if (ctor)
  45       ctor();
  46   }
  47   ~GoogleInitializer() {
  48     RAW_VLOG(10, "<GoogleModuleObject> destroying: %s\n", name_);
  49     if (destructor_)
  50       destructor_();
  51   }
  52
  53  private:
  54   const char* const name_;
  55   const VoidFunction destructor_;
  56 };
  57
  58 #define REGISTER_MODULE_INITIALIZER(name, body)                 \
  59   namespace {                                                   \
  60     static void google_init_module_##name () { body; }          \
  61     GoogleInitializer google_initializer_module_##name(#name,   \
  62             google_init_module_##name, NULL);                   \
  63   }
  64
  65 #define REGISTER_MODULE_DESTRUCTOR(name, body)                  \
  66   namespace {                                                   \
  67     static void google_destruct_module_##name () { body; }      \
  68     GoogleInitializer google_destructor_module_##name(#name,    \
  69             NULL, google_destruct_module_##name);               \
  70   }
  71
  72
  73 #endif /* _GOOGLEINIT_H */