0
实现线程作业超时的最好的习惯做法是什么(即:在最多X秒后终止作业)? 我写了下面的python代码。我读了很多不同的方式来实现这一点,但我有点失落......我必须用计时器来做到这一点吗?或者通过计数在add_timeout
回调?实现线程最大执行时间的最佳方式是什么(在python/gtk中)?
作为一个附注,在gtk/threaded应用程序中使用thread.join(timeout)
相当有限,因为它会阻塞主线程?
谢谢!
注:我很新的Python /线程
#!/usr/bin/python
import time
import threading
import gobject
import gtk
import glib
gobject.threads_init()
class myui():
def __init__(self):
interface = gtk.Builder()
interface.add_from_file("myui.glade")
interface.connect_signals(self)
self.spinner = interface.get_object('spinner1')
def bg_work1(self):
print "work has started"
# simulates some work
time.sleep(5)
print "work has finished"
def startup(self):
thread = threading.Thread(target=self.bg_work1)
thread.start()
# work started. Now while the work is being done I want
# a spinner to rotate
self.spinner.start()
print "spinner started"
#thread.join() # I wanna wait for the job to be finished while the spinner spins.
# but this seems to block the main thread, and so the gui doesn't shows up !
glib.timeout_add(100, self.check_job, thread, 5)
def check_job(self, thread, timeout):
#print 'check job called'
if not thread.isAlive():
print 'is not alive anymore'
self.spinner.stop()
return False
return True
if __name__ == "__main__":
app = myui()
app.startup()
print "gtk main loop starting !"
gtk.main()
print "gtk main loop has stopped !"