reraiser_thread: Use func.__name__ for thread names

build/android/devil/utils/reraiser_thread.py

 # Copyright 2013 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Thread and ThreadGroup that reraise exceptions on the main thread."""
 # pylint: disable=W0212
 
 import logging
 import sys
 import threading
@@ skipping 31 matching lines @@
 
   def __init__(self, func, args=None, kwargs=None, name=None):
     """Initialize thread.
 
     Args:
       func: callable to call on a new thread.
       args: list of positional arguments for callable, defaults to empty.
       kwargs: dictionary of keyword arguments for callable, defaults to empty.
       name: thread name, defaults to Thread-N.
     """
+    if not name and func.__name__ != '<lambda>':
+      name = func.__name__
     super(ReraiserThread, self).__init__(name=name)
     if not args:
       args = []
     if not kwargs:
       kwargs = {}
     self.daemon = True
     self._func = func
     self._args = args
     self._kwargs = kwargs
     self._ret = None
@@ skipping 155 matching lines @@
   Args:
     funcs: List of functions to perform on their own threads.
     watcher: Watchdog object providing timeout, by default waits forever.
 
   Returns:
     A list of return values in the order of the given functions.
   """
   thread_group = ReraiserThreadGroup(ReraiserThread(f) for f in funcs)
   thread_group.StartAll(will_block=True)
   return thread_group.GetAllReturnValues(watcher=watcher)