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Last change
on this file was
17,
checked in by retracile, 15 years ago
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Mergebot: redesigned implementation. Still has rough edges.
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File size:
513 bytes
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| 1 | """Implementation of the daemonizing process |
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| 2 | from "Advanced Programming in the UNIX Environment" by W. Richard Stevens, |
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| 3 | 1993. |
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| 4 | """ |
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| 5 | import os |
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| 6 | import sys |
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| 7 | |
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| 8 | def daemonize(): |
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| 9 | # Let's assume nothing ever goes wrong... |
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| 10 | pid = os.fork() |
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| 11 | if pid: |
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| 12 | sys.exit(0) |
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| 13 | os.setsid() |
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| 14 | os.chdir('/') |
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| 15 | os.umask(000) |
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| 16 | for n in range(1024): |
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| 17 | try: |
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| 18 | os.close(n) |
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| 19 | except OSError: |
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| 20 | pass |
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| 21 | os.open('/dev/null', os.O_RDONLY) |
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| 22 | os.open('/dev/null', os.O_WRONLY) |
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| 23 | os.dup(1) |
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