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python Programming Glossary: preexec_fnPopen waiting for child process even when the immediate child has terminated http://stackoverflow.com/questions/13243807/popen-waiting-for-child-process-even-when-the-immediate-child-has-terminated elif sys.version_info 3 2 # assume posix kwargs.update preexec_fn os.setsid else # Python 3.2 and Unix kwargs.update start_new_session..
Run child processes as different user from a long running process http://stackoverflow.com/questions/1770209/run-child-processes-as-different-user-from-a-long-running-process and uid of the running process. Pass this function as the preexec_fn parameter to subprocess.Popen subprocess.Popen will use the.. subprocess.Popen will use the fork exec model to use your preexec_fn. That is equivalent to calling os.fork preexec_fn in the child.. use your preexec_fn. That is equivalent to calling os.fork preexec_fn in the child process and os.exec in the child process in that..
How to call ssh by subprocess module so that it uses SSH_ASKPASS variable http://stackoverflow.com/questions/1787288/how-to-call-ssh-by-subprocess-module-so-that-it-uses-ssh-askpass-variable elegant way to do this using the subprocess module in the preexec_fn argument we can pass a Python function that is called in the..
What is the subprocess.Popen max length of the args parameter? http://stackoverflow.com/questions/2381241/what-is-the-subprocess-popen-max-length-of-the-args-parameter 0 executable None stdin None stdout None stderr None preexec_fn None close_fds False shell False cwd None env None universal_newlines..
Is it possible to renice a subprocess? http://stackoverflow.com/questions/2463533/is-it-possible-to-renice-a-subprocess nice renice share improve this question Use the preexec_fn on subprocess Popen nice .communicate 0 None None Popen nice.. subprocess Popen nice .communicate 0 None None Popen nice preexec_fn lambda os.nice 10 .communicate 10 None None Popen nice preexec_fn.. lambda os.nice 10 .communicate 10 None None Popen nice preexec_fn lambda os.nice 20 .communicate 19 None None share improve..
How to terminate a python subprocess launched with shell=True http://stackoverflow.com/questions/4789837/how-to-terminate-a-python-subprocess-launched-with-shell-true subprocess # The os.setsid is passed in the argument preexec_fn so # it's run after the fork and before exec to run the shell... subprocess.Popen cmd stdout subprocess.PIPE shell True preexec_fn os.setsid os.killpg pro.pid signal.SIGTERM # Send the signal..
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