Question

我有这段代码：

class LogDigger:

    @staticmethod
    def RunInfiniteLoopSyslog():
        while True:
            line = LogDigger.syslog_p.stdout.readline()
            Utils.log("New line in syslog: %s" % line.rstrip('\n'))

    @staticmethod
    def RunInfiniteLoopXlog():
        while True:
            line = LogDigger.xlog_p.stdout.readline()
            Utils.log("New line in xlog: %s" % line.rstrip('\n'))

    @staticmethod
    def StartProcesses():

        LogDigger.syslog_p = subprocess.Popen(['tail', '-f', '-n0', '/var/log/syslog'], shell=False, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
        LogDigger.xlog_p = subprocess.Popen(['tail', '-f', '-n0', '/var/log/mail-xlog'], shell=False, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)

        syslog_thread = threading.Thread(target = LogDigger.RunInfiniteLoopSyslog)
        xlog_thread = threading.Thread(target = LogDigger.RunInfiniteLoopXlog)

        syslog_thread.start()
        xlog_thread.start()

问题是，当我按ctrl + c中止程序时，它会立即跳转到＆＃34; xlog / syslog＆＃34;中的新行的无限循环。你看到了问题吗？：/我需要添加一些代码，也可以中止这两个线程。

Answer 1

扩展Fantasizer所说的内容，请尝试以下代码：

while True:
    try:
        print('running')
    except KeyboardInterrupt:
        print('stop')
        exit(0)

Answer 2

您可能对signal模块感兴趣以更优雅的方式处理SIGINT和其他模块

Answer 3

使用ctrl + c，python会引发KeyboardInterrupt，所以你可以捕获它并打破你的while循环。

流产后的Python无限循环

3 个答案: