bitbake: bin/bitbake: add a check for /dev/shm existing
Python multiprocessing needs /dev/shm, and if it doesn't exist (e.g. in a chroot environment) or is not writable, you'll get "OSError: [Errno 38] Function not implemented" or "OSError: [Errno 13] Permission denied" with a traceback, which doesn't really help to explain what is wrong. Implements [YOCTO #4407]. (Bitbake rev: e7460d01f281f913a94192e1f4bd20688164bdd4) Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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@ -43,6 +43,10 @@ from bb import server
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__version__ = "1.19.0"
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logger = logging.getLogger("BitBake")
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# Python multiprocessing requires /dev/shm
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if not os.access('/dev/shm', os.W_OK | os.X_OK):
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sys.exit("FATAL: /dev/shm does not exist or is not writable")
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# Unbuffer stdout to avoid log truncation in the event
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# of an unorderly exit as well as to provide timely
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# updates to log files for use with tail
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