35 lines
816 B
Python
35 lines
816 B
Python
"""
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Launch a process (given through argv) similar to how a shell would do it.
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"""
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import signal
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import subprocess
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import sys
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import os
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def preexec_fn():
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# Block SIGTTOU generated by the tcsetpgrp call
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orig_mask = signal.pthread_sigmask(signal.SIG_BLOCK, [signal.SIGTTOU])
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# Put us in a new process group.
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os.setpgid(0, 0)
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# And put it in the foreground.
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fd = os.open("/dev/tty", os.O_RDONLY)
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os.tcsetpgrp(fd, os.getpgid(0))
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os.close(fd)
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signal.pthread_sigmask(signal.SIG_SETMASK, orig_mask)
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if __name__ == "__main__":
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child = subprocess.Popen(sys.argv[1:], preexec_fn=preexec_fn)
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print("PID=%d" % child.pid)
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_, status = os.waitpid(child.pid, os.WUNTRACED)
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print("STATUS=%d" % status)
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returncode = child.wait()
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print("RETURNCODE=%d" % returncode)
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