ceph/src/boost/libs/thread/tutorial/tss.cpp

   1 // Copyright (C) 2001-2003
   2 // William E. Kempf
   3 //
   4 //  Distributed under the Boost Software License, Version 1.0. (See accompanying
   5 //  file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6
   7 #include <boost/thread/thread.hpp>
   8 #include <boost/thread/tss.hpp>
   9 #include <cassert>
  10
  11 boost::thread_specific_ptr<int> value;
  12
  13 void increment()
  14 {
  15     int* p = value.get();
  16     ++*p;
  17 }
  18
  19 void thread_proc()
  20 {
  21     value.reset(new int(0)); // initialize the thread's storage
  22     for (int i=0; i<10; ++i)
  23     {
  24         increment();
  25         int* p = value.get();
  26         assert(*p == i+1);
  27     }
  28 }
  29
  30 int main(int argc, char* argv[])
  31 {
  32     boost::thread_group threads;
  33     for (int i=0; i<5; ++i)
  34         threads.create_thread(&thread_proc);
  35     threads.join_all();
  36 }