ceph/src/boost/libs/filesystem/test/issues/11166-remove-race.cpp

   1 #include <boost/filesystem.hpp>
   2 #include <boost/thread.hpp>
   3 #include <fstream>
   4
   5 boost::condition_variable cond;
   6 boost::mutex mut;
   7
   8 #define FNAME ("remove-test")
   9 void remover()
  10 {
  11     while (1)
  12     {
  13         boost::filesystem::remove(FNAME);
  14     }
  15 }
  16
  17 void creater()
  18 {
  19     for (int i = 0; i < 100000; i++)
  20         std::fstream(FNAME, std::fstream::out);
  21 }
  22
  23 int main()
  24 {
  25     boost::filesystem::remove(FNAME);
  26     boost::filesystem::remove(FNAME);
  27
  28     std::cout << "If you got this far, it's OK to remove a file that doesn't exist\n"
  29                  "Now trying with one creator thread and two remover threads.\n"
  30                  "This is likely to crash after just a few seconds at most."
  31               << std::endl;
  32
  33     boost::thread c(creater), r1(remover), r2(remover);
  34
  35     c.join();
  36     r1.interrupt();
  37     r1.join();
  38     r2.interrupt();
  39     r2.join();
  40 }