Job.py 文件源码

def __init__(self, num, stack_size, interrupted):
            """Create the request and reply queues, and 'num' worker threads.

            One must specify the stack size of the worker threads. The
            stack size is specified in kilobytes.
            """
            self.requestQueue = queue.Queue(0)
            self.resultsQueue = queue.Queue(0)

            try:
                prev_size = threading.stack_size(stack_size*1024) 
            except AttributeError as e:
                # Only print a warning if the stack size has been
                # explicitly set.
                if not explicit_stack_size is None:
                    msg = "Setting stack size is unsupported by this version of Python:\n    " + \
                        e.args[0]
                    SCons.Warnings.warn(SCons.Warnings.StackSizeWarning, msg)
            except ValueError as e:
                msg = "Setting stack size failed:\n    " + str(e)
                SCons.Warnings.warn(SCons.Warnings.StackSizeWarning, msg)

            # Create worker threads
            self.workers = []
            for _ in range(num):
                worker = Worker(self.requestQueue, self.resultsQueue, interrupted)
                self.workers.append(worker)

            if 'prev_size' in locals():
                threading.stack_size(prev_size)