From ff2ba393a56d9d99dcb76ceada542233db28af9a Mon Sep 17 00:00:00 2001
From: dim <dim@FreeBSD.org>
Date: Wed, 6 Jan 2016 20:01:02 +0000
Subject: Vendor import of llvm trunk r256945:
 https://llvm.org/svn/llvm-project/llvm/trunk@256945

---
 lib/Fuzzer/test/ThreadedTest.cpp | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 lib/Fuzzer/test/ThreadedTest.cpp

(limited to 'lib/Fuzzer/test/ThreadedTest.cpp')

diff --git a/lib/Fuzzer/test/ThreadedTest.cpp b/lib/Fuzzer/test/ThreadedTest.cpp
new file mode 100644
index 0000000..7aa114a
--- /dev/null
+++ b/lib/Fuzzer/test/ThreadedTest.cpp
@@ -0,0 +1,23 @@
+// Threaded test for a fuzzer. The fuzzer should not crash.
+#include <assert.h>
+#include <cstdint>
+#include <cstddef>
+#include <cstring>
+#include <thread>
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+  if (Size < 8) return 0;
+  assert(Data);
+  auto C = [&] {
+    size_t Res = 0;
+    for (size_t i = 0; i < Size / 2; i++)
+      Res += memcmp(Data, Data + Size / 2, 4);
+    return Res;
+  };
+  std::thread T[] = {std::thread(C), std::thread(C), std::thread(C),
+                     std::thread(C), std::thread(C), std::thread(C)};
+  for (auto &X : T)
+    X.join();
+  return 0;
+}
+
-- 
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