根据Python signal文档,我们需要牢记”Some general rules for working with signals and their handlers“,其中,跟本文最相关的第7条摘出如下: Some care must be taken if both signals and threads are used in the same program. The fundamental thing to remember in using signals and threads simultaneously ...
import sys, signal, time def now(): return time.asctime() def onSignal(signum, stackframe): #Pythonsignal handler print('Got signal', signum, 'at', now()) # most handlers stay in effect if signum == signal.SIGCHLD: # but sigchld handler is not print('sigchld caught') #signal.signa...
signal.signal(signal.SIGALRM,_handle_timeout)ValueError:signal only worksinmain thread 为了更简单说明问题,我们把测试代码再简化下: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 # coding=utf-8#测试utf-8编码 from timeimportsleep,timeimportsys,threadingreload(sys)sys.setdefaultencoding('utf-8')...
Handlers:将Loggers产生的日志传到指定位置 Filters:对输出日志进行过滤 Formatters:控制输出格式 当项目中使用logging模块的时候肯定不能在这样一句句的写了,一般可能会抽象出一个模块来,这样比较有效一些。logging模块提供了四个类(Loggers,Formatters,Filtters,Handlers)来实现不同的功能。
_bootlocale _collections_abc _compat_pickle _compression _dummy_thread _markupbase _osx_support _py_abc _pyio _sitebuiltins _strptime _threading_local _weakrefset abc argparse bisect calendar codecs collections collections.abc configparser contextlib ...
os 常用方法 os.remove(‘path/filename’) 删除文件 os.rename(oldname, newname) 重命名文件 os.walk() 生成目录树下的所有文件名 os.chdir('dirname') 改变目录 os.mkdir/makedirs(&#
'install_signal_handlers': 1, 'interactive': 0, 'isolated': 0, 'malloc_stats': 0, 'module_search_paths': ['/usr/local/lib/python39.zip',-'/home/alexei/\udcd0\udc97\udcd0\udcb0\udcd0\udcb3\udcd1\udc80\udcd1\udc83\udcd0\udcb7\udcd0\udcba\udcd0\udcb8/Python-3.9.4/Lib',-...
LuaRuntime(attribute_handlers=(getter, setter)) >>> func = lua.eval('function(x) return x.yes end') >>> func(x) # getting 'yes' 123 >>> func = lua.eval('function(x) x.put = "ABC"; end') >>> func(x) # setting 'put' >>> print(x.put) ABC >>> func = lua.eval('...
def run(): """ 由于此线程不是用户线程,默认不能接收信号 """ reactor.run(installSignalHandlers=0) _started.inc(1) _iothread = threading.Thread(target=run, name="IOThread") _iothread.start() 其次,我们就会面临到IO线程和其他线程的执行接力问题,如何将业务线程需要发送的请求交付给IO线程?这也就...
// Modules/signalmodule.c static int signal_install_handlers(void) { #ifdef SIGPIPE PyOS_setsig(SIGPIPE, SIG_IGN); // 忽略SIGPIPE信号 #endif #ifdef SIGXFZ PyOS_setsig(SIGXFZ, SIG_IGN); // 忽略SIGPIPE信号 #endif #ifdef SIGXFSZ PyOS_setsig(SIGXFSZ, SIG_IGN); // 忽略SIGPIPE信号 #...