def _exit_function(info=info, debug=debug, _run_finalizers=_run_finalizers, active_children=active_children, current_process=current_process): # NB: we hold on to references to functions in the arglist due to the # situation described below, where this function is called after this # module's globals are destroyed. global _exiting info('process shutting down') debug('running all "atexit" finalizers with priority >= 0') _run_finalizers(0) if current_process() is not None: # NB: we check if the current process is None here because if # it's None, any call to ``active_children()`` will throw an # AttributeError (active_children winds up trying to get # attributes from util._current_process). This happens in a # variety of shutdown circumstances that are not well-understood # because module-scope variables are not apparently supposed to # be destroyed until after this function is called. However, # they are indeed destroyed before this function is called. See # issues 9775 and 15881. Also related: 4106, 9205, and 9207. for p in active_children(): if p._daemonic: info('calling terminate() for daemon %s', p.name) p._popen.terminate() for p in active_children(): info('calling join() for process %s', p.name) p.join() debug('running the remaining "atexit" finalizers') _run_finalizers()
def _exit_function(): global _exiting info('process shutting down') debug('running all "atexit" finalizers with priority >= 0') _run_finalizers(0) for p in active_children(): if p._daemonic: info('calling terminate() for daemon %s', p.name) p._popen.terminate() for p in active_children(): info('calling join() for process %s', p.name) p.join() debug('running the remaining "atexit" finalizers') _run_finalizers()
def _exit_function(info=info, debug=debug, _run_finalizers=_run_finalizers, active_children=active_children, current_process=current_process): # We hold on to references to functions in the arglist due to the # situation described below, where this function is called after this # module's globals are destroyed. global _exiting if not _exiting: _exiting = True info('process shutting down') debug('running all "atexit" finalizers with priority >= 0') _run_finalizers(0) if current_process() is not None: # We check if the current process is None here because if # it's None, any call to ``active_children()`` will raise # an AttributeError (active_children winds up trying to # get attributes from util._current_process). One # situation where this can happen is if someone has # manipulated sys.modules, causing this module to be # garbage collected. The destructor for the module type # then replaces all values in the module dict with None. # For instance, after setuptools runs a test it replaces # sys.modules with a copy created earlier. See issues # #9775 and #15881. Also related: #4106, #9205, and # #9207. for p in active_children(): if p._daemonic: info('calling terminate() for daemon %s', p.name) p._popen.terminate() for p in active_children(): info('calling join() for process %s', p.name) p.join() debug('running the remaining "atexit" finalizers') _run_finalizers()