Mark a bunch of threading tests that are relient on timing as flaky

libcxx/test/libcxx/thread/thread.threads/thread.thread.this/sleep_for.pass.cpp

@@ -8,6 +8,8 @@
 //
 // UNSUPPORTED: libcpp-has-no-threads
 
+// FLAKY_TEST.
+
 // This test uses the POSIX header <sys/time.h> which Windows doesn't provide
 // UNSUPPORTED: windows
 

libcxx/test/std/thread/futures/futures.async/async.pass.cpp

@@ -9,6 +9,8 @@
 // UNSUPPORTED: libcpp-has-no-threads
 // UNSUPPORTED: c++98, c++03
 
+// FLAKY_TEST.
+
 // <future>
 
 // template <class F, class... Args>

libcxx/test/std/thread/futures/futures.shared_future/wait_for.pass.cpp

@@ -9,6 +9,8 @@
 // UNSUPPORTED: libcpp-has-no-threads
 // UNSUPPORTED: c++98, c++03
 
+// FLAKY_TEST.
+
 // <future>
 
 // class shared_future<R>

libcxx/test/std/thread/futures/futures.unique_future/wait_for.pass.cpp

@@ -9,6 +9,8 @@
 // UNSUPPORTED: libcpp-has-no-threads
 // UNSUPPORTED: c++98, c++03
 
+// FLAKY_TEST.
+
 // <future>
 
 // class future<R>

libcxx/test/std/thread/thread.condition/thread.condition.condvar/notify_all.pass.cpp

@@ -8,6 +8,8 @@
 //
 // UNSUPPORTED: libcpp-has-no-threads
 
+// FLAKY_TEST.
+
 // <condition_variable>
 
 // class condition_variable;

libcxx/test/std/thread/thread.condition/thread.condition.condvar/notify_one.pass.cpp

@@ -8,6 +8,8 @@
 //
 // UNSUPPORTED: libcpp-has-no-threads
 
+// FLAKY_TEST.
+
 // <condition_variable>
 
 // class condition_variable;

libcxx/test/std/thread/thread.condition/thread.condition.condvar/wait_for_pred.pass.cpp

@@ -8,6 +8,8 @@
 //
 // UNSUPPORTED: libcpp-has-no-threads
 
+// FLAKY_TEST.
+
 // <condition_variable>
 
 // class condition_variable;

libcxx/test/std/thread/thread.condition/thread.condition.condvar/wait_until.pass.cpp

@@ -8,6 +8,8 @@
 //
 // UNSUPPORTED: libcpp-has-no-threads
 
+// FLAKY_TEST.
+
 // <condition_variable>
 
 // class condition_variable;

libcxx/test/std/thread/thread.condition/thread.condition.condvarany/notify_all.pass.cpp

@@ -8,6 +8,8 @@
 //
 // UNSUPPORTED: libcpp-has-no-threads
 
+// FLAKY_TEST.
+
 // <condition_variable>
 
 // class condition_variable_any;

libcxx/test/std/thread/thread.condition/thread.condition.condvarany/wait_for_pred.pass.cpp

@@ -8,6 +8,8 @@
 //
 // UNSUPPORTED: libcpp-has-no-threads
 
+// FLAKY_TEST.
+
 // <condition_variable>
 
 // class condition_variable_any;

libcxx/test/std/thread/thread.condition/thread.condition.condvarany/wait_until.pass.cpp

@@ -8,6 +8,8 @@
 //
 // UNSUPPORTED: libcpp-has-no-threads
 
+// FLAKY_TEST.
+
 // <condition_variable>
 
 // class condition_variable_any;

libcxx/test/std/thread/thread.mutex/thread.lock/thread.lock.unique/thread.lock.unique.cons/mutex_try_to_lock.pass.cpp

@@ -8,6 +8,8 @@
 //
 // UNSUPPORTED: libcpp-has-no-threads
 
+// FLAKY_TEST.
+
 // <mutex>
 
 // template <class Mutex> class unique_lock;

libcxx/test/std/thread/thread.mutex/thread.mutex.requirements/thread.mutex.requirements.mutex/thread.mutex.class/try_lock.pass.cpp

@@ -8,6 +8,8 @@
 //
 // UNSUPPORTED: libcpp-has-no-threads
 
+// FLAKY_TEST.
+
 // <mutex>
 
 // class mutex;

libcxx/test/std/thread/thread.mutex/thread.mutex.requirements/thread.mutex.requirements.mutex/thread.mutex.recursive/lock.pass.cpp

@@ -8,6 +8,8 @@
 //
 // UNSUPPORTED: libcpp-has-no-threads
 
+// FLAKY_TEST.
+
 // <mutex>
 
 // class recursive_mutex;

libcxx/test/std/thread/thread.mutex/thread.mutex.requirements/thread.mutex.requirements.mutex/thread.mutex.recursive/try_lock.pass.cpp

@@ -8,6 +8,8 @@
 //
 // UNSUPPORTED: libcpp-has-no-threads
 
+// FLAKY_TEST.
+
 // <mutex>
 
 // class recursive_mutex;

libcxx/test/std/thread/thread.mutex/thread.mutex.requirements/thread.sharedtimedmutex.requirements/thread.sharedtimedmutex.class/try_lock.pass.cpp

@@ -9,6 +9,8 @@
 // UNSUPPORTED: libcpp-has-no-threads
 // UNSUPPORTED: c++98, c++03, c++11
 
+// FLAKY_TEST.
+
 // <shared_mutex>
 
 // class shared_timed_mutex;

libcxx/test/std/thread/thread.mutex/thread.mutex.requirements/thread.timedmutex.requirements/thread.timedmutex.class/lock.pass.cpp

@@ -8,6 +8,8 @@
 //
 // UNSUPPORTED: libcpp-has-no-threads
 
+// FLAKY_TEST.
+
 // <mutex>
 
 // class timed_mutex;

libcxx/test/std/thread/thread.mutex/thread.mutex.requirements/thread.timedmutex.requirements/thread.timedmutex.class/try_lock.pass.cpp

@@ -8,6 +8,8 @@
 //
 // UNSUPPORTED: libcpp-has-no-threads
 
+// FLAKY_TEST.
+
 // <mutex>
 
 // class timed_mutex;

libcxx/test/std/thread/thread.mutex/thread.mutex.requirements/thread.timedmutex.requirements/thread.timedmutex.class/try_lock_for.pass.cpp

@@ -8,6 +8,8 @@
 //
 // UNSUPPORTED: libcpp-has-no-threads
 
+// FLAKY_TEST.
+
 // <mutex>
 
 // class timed_mutex;

libcxx/test/std/thread/thread.mutex/thread.mutex.requirements/thread.timedmutex.requirements/thread.timedmutex.class/try_lock_until.pass.cpp

@@ -8,6 +8,8 @@
 //
 // UNSUPPORTED: libcpp-has-no-threads
 
+// FLAKY_TEST.
+
 // <mutex>
 
 // class timed_mutex;

libcxx/test/std/thread/thread.mutex/thread.mutex.requirements/thread.timedmutex.requirements/thread.timedmutex.recursive/try_lock.pass.cpp

@@ -8,6 +8,8 @@
 //
 // UNSUPPORTED: libcpp-has-no-threads
 
+// FLAKY_TEST.
+
 // <mutex>
 
 // class recursive_timed_mutex;

libcxx/test/std/thread/thread.mutex/thread.mutex.requirements/thread.timedmutex.requirements/thread.timedmutex.recursive/try_lock_for.pass.cpp

@@ -8,6 +8,8 @@
 //
 // UNSUPPORTED: libcpp-has-no-threads
 
+// FLAKY_TEST.
+
 // <mutex>
 
 // class recursive_timed_mutex;

libcxx/test/std/thread/thread.mutex/thread.mutex.requirements/thread.timedmutex.requirements/thread.timedmutex.recursive/try_lock_until.pass.cpp

@@ -8,6 +8,8 @@
 //
 // UNSUPPORTED: libcpp-has-no-threads
 
+// FLAKY_TEST.
+
 // <mutex>
 
 // class recursive_timed_mutex;

libcxx/utils/libcxx/test/format.py

@@ -200,7 +200,7 @@ def _evaluate_pass_test(self, test, tmpBase, lit_config,
             data_files = [os.path.join(local_cwd, f)
                           for f in os.listdir(local_cwd) if f.endswith('.dat')]
             is_flaky = self._get_parser('FLAKY_TEST.', parsers).getValue()
-            max_retry = 3 if is_flaky else 1
+            max_retry = 5 if is_flaky else 1
             for retry_count in range(max_retry):
                 cmd, out, err, rc = self.executor.run(exec_path, [exec_path],
                                                       local_cwd, data_files,