src/libcompiler_builtins/compiler-rt/test/fuzzer/SimpleThreadedTest.cpp

   1 // This file is distributed under the University of Illinois Open Source
   2 // License. See LICENSE.TXT for details.
   3
   4 // Threaded test for a fuzzer. The fuzzer should find "H"
   5 #include <assert.h>
   6 #include <cstddef>
   7 #include <cstdint>
   8 #include <cstring>
   9 #include <iostream>
  10 #include <ostream>
  11 #include <thread>
  12
  13 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
  14   auto C = [&] {
  15     if (Size >= 2 && Data[0] == 'H') {
  16         std::cout << "BINGO; Found the target, exiting\n" << std::flush;
  17         abort();
  18     }
  19   };
  20   std::thread T[] = {std::thread(C), std::thread(C), std::thread(C),
  21                      std::thread(C), std::thread(C), std::thread(C)};
  22   for (auto &X : T)
  23     X.join();
  24   return 0;
  25 }
  26