1// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
2// See https://llvm.org/LICENSE.txt for license information.
3// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
4
5// Threaded test for a fuzzer. The fuzzer should find "H"
6#include <assert.h>
7#include <cstddef>
8#include <cstdint>
9#include <cstring>
10#include <iostream>
11#include <ostream>
12#include <thread>
13
14extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
15 auto C = [&] {
16 if (Size >= 2 && Data[0] == 'H') {
17 std::cout << "BINGO; Found the target, exiting\n" << std::flush;
18 abort();
19 }
20 };
21 std::thread T[] = {std::thread(C), std::thread(C), std::thread(C),
22 std::thread(C), std::thread(C), std::thread(C)};
23 for (auto &X : T)
24 X.join();
25 return 0;
26}
27
28

source code of compiler-rt/test/fuzzer/SimpleThreadedTest.cpp