1 files changed, 30 insertions, 0 deletions
diff --git a/lib/tsan/lit_tests/fd_close_norace2.cc b/lib/tsan/lit_tests/fd_close_norace2.cc
new file mode 100644
index 000000000000..b42b334a27c0
--- /dev/null
+++ b/lib/tsan/lit_tests/fd_close_norace2.cc
@@ -0,0 +1,30 @@
+// RUN: %clangxx_tsan -O1 %s -o %t && %t 2>&1 | FileCheck %s
+#include <pthread.h>
+#include <stdio.h>
+#include <unistd.h>
+
+int pipes[2];
+
+void *Thread(void *x) {
+  // wait for shutown signal
+  while (read(pipes[0], &x, 1) != 1) {
+  }
+  close(pipes[0]);
+  close(pipes[1]);
+  return 0;
+}
+
+int main() {
+  if (pipe(pipes))
+    return 1;
+  pthread_t t;
+  pthread_create(&t, 0, Thread, 0);
+  // send shutdown signal
+  while (write(pipes[1], &t, 1) != 1) {
+  }
+  pthread_join(t, 0);
+  printf("OK\n");
+}
+
+// CHECK-NOT: WARNING: ThreadSanitizer: data race
+// CHECK: OK