==signal 模块== 你可以使用 ``signal`` 模块配置你自己的信号处理器 (signal handler), 如[Example3-11#eg-3-11] 所示. 当解释器收到某个信号时, 信号处理器会立即执行. ===Example3-11.使用 signal 模块===[eg-3-11] ``` File: signal-example-1.py importsignal importtime defhandler(signo, ...
importsignal, os# 定义一个信号处理函数,该函数打印收到的信号,然后raise IOErrordefhandler(signum, frame):print'Signal handler called with signal', signumraiseIOError("Couldn't open device!")# 对SIGALRM(终止)设置处理的handler, 然后设置定时器,5秒后触发SIGALRM信号signal.signal(signal.SIGALRM, handler...
直接在handler的函数体中写一个pass 或设置signal.SIG_DFL(默认执行)、signal.SIG_IGN(程序忽略该信号。 # -*- coding: utf-8 - import signal def alert_handler(signum, frame): print('Signal handler called with signal', signum) # 1.设置定时信号 signal.signal(signal.SIGALRM, alert_handler) print...
Python有强大的功能捕获和处理信号(参考signal模块)。例如,下面的示例代码展示了一个检查点策略: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 #!/usr/bin/env python3.5""" Simple example showing how to catch signalsinPython"""importjsonimportosimportsignalimportsys # Path to the file we use to...
def onSignal(signum, stackframe): # Python signal handler print('Got signal', signum, 'at', now()) # most handlers stay in effect if signum...
import signal from functools import wraps class TimeoutError(Exception): pass def timeout(seconds=3, error_message='函数运行超时!'): def decorator(func): def handler(signum, frame): raise TimeoutError(error_message) @wraps(func) def wrapper(*args, **kwargs): ...
导入time模块,通过time.timezone查看时区,28800是秒单位,除60是分钟,在除60的结果是小时,也就是说中国时区比UTC早8个小时。 1.1 time.time time.time()查看时间戳,以秒为单位,这个数字实际没什么大的意义,只不过是从1970年开始算起到当前经历了多少秒。从1970年开始算是因为这是Unix诞生的时间。
STDERR message(s) from external script: /usr/lib/R/library/RevoScaleR/rxLibs/x64/libExaCore.so.2(_Z21CriticalSignalHandleri+0x29)[0x7f2568289d89] /usr/lib/x86_64-linux-gnu/libc.so.6(+0x43090)[0x7f2568d66090] Workaround Run the following command to install the package depe...
STDERR message(s) from external script: /usr/lib/R/library/RevoScaleR/rxLibs/x64/libExaCore.so.2(_Z21CriticalSignalHandleri+0x29)[0x7f2568289d89] /usr/lib/x86_64-linux-gnu/libc.so.6(+0x43090)[0x7f2568d66090] Workaround Run the following command to install the package dependency ...
_signal _stat time _thread _locale _io faulthandler _tracemalloc _peg_parser _symtable xxsubtype" MODDISABLED_NAMES = "" MODLIBS = "" MODOBJS = "Modules/posixmodule.o Modules/errnomodule.o Modules/pwdmodule.o Modules/_sre.o Modules/_codecsmodule.o Modules/_weakref.o Modules/_functools...