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issue3770: if SEM_OPEN is 0, disable the mp.synchronize module, rev. Nick Coghlan, Damien Miller

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Jesse Noller 2008-09-30 00:15:45 +00:00
parent e563aa4383
commit 37040cdace
5 changed files with 37 additions and 0 deletions
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11
Lib/multiprocessing/synchronize.py
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@ -21,6 +21,17 @@ from multiprocessing.process import current_process
from multiprocessing.util import Finalize, register_after_fork, debug
from multiprocessing.forking import assert_spawning, Popen
# Try to import the mp.synchronize module cleanly, if it fails
# raise ImportError for platforms lacking a working sem_open implementation.
# See issue 3770
try:
from _multiprocessing import SemLock
except (ImportError):
raise ImportError("This platform lacks a functioning sem_open" +
" implementation, therefore, the required" +
" synchronization primitives needed will not" +
" function, see issue 3770.")
#
# Constants
#