本文整理汇总了Python中os.tcsetpgrp方法的典型用法代码示例。如果您正苦于以下问题：Python os.tcsetpgrp方法的具体用法？Python os.tcsetpgrp怎么用？Python os.tcsetpgrp使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类os的用法示例。
在下文中一共展示了os.tcsetpgrp方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_tcsetpgrpt
# 需要导入模块: import os [as 别名]
# 或者: from os import tcsetpgrp [as 别名]
def test_tcsetpgrpt(self):
self.check(os.tcsetpgrp, 0) 示例2: test_tcsetpgrpt
# 需要导入模块: import os [as 别名]
# 或者: from os import tcsetpgrp [as 别名]
def test_tcsetpgrpt(self):
if hasattr(os, "tcsetpgrp"):
self.check(os.tcsetpgrp, 0) 示例3: _controlTerminal
# 需要导入模块: import os [as 别名]
# 或者: from os import tcsetpgrp [as 别名]
def _controlTerminal(self):
try:
# the child should control stdin -- if stdin is a tty
# that can be controlled
if sys.stdin.isatty():
os.tcsetpgrp(0, os.getpgrp())
except AttributeError:
# stdin might not even have an isatty method
pass 示例4: close
# 需要导入模块: import os [as 别名]
# 或者: from os import tcsetpgrp [as 别名]
def close(self):
""" Reassert control of tty. Closing stdin, stderr, and and stdout
will get rid of the last pointer to the slave fd of the pseudo
tty, which should cause the logging process to stop. We wait
for it to die before continuing
"""
if not self.logging:
return
self.closed = True
# restore old terminal settings before quitting
if self.oldStdin != 0:
os.dup2(self.oldStdin, 0)
os.dup2(self.oldStdout, 1)
os.dup2(self.oldStderr, 2)
if self.oldTermios is not None:
termios.tcsetattr(0, termios.TCSADRAIN, self.oldTermios)
if self.oldStdin != 0:
os.close(self.oldStdin)
os.close(self.oldStdout)
os.close(self.oldStderr)
try:
# control stdin -- if stdin is a tty
# that can be controlled
if sys.stdin.isatty() and self.restoreTerminalControl:
os.tcsetpgrp(0, os.getpgrp())
except AttributeError:
# stdin might not even have an isatty method
pass
# Wait for child logging process to die. Send successively ruder
# signals if it does not do so within a reasonable time. The primary
# reason that it would not die immediately is that a process has forked
# while holding the TTY file descriptor, and thus the logger is still
# polling it for output.
signals = [signal.SIGTERM, signal.SIGKILL]
while signals:
start = time.time()
while time.time() - start < 10:
pid, status = os.waitpid(self.loggerPid, os.WNOHANG)
if pid:
break
time.sleep(0.1)
else:
# Child process did not die.
signum = signals.pop(0)
os.kill(self.loggerPid, signum)
continue
break
else:
# Last signal was a KILL, so wait indefinitely.
os.waitpid(self.loggerPid, 0)