[issue3088] test_multiprocessing hangs intermittently on POSIX platforms

[Barry A. Warsaw]

Barry A. Warsaw <barry at python.org> added the comment:

Here's the 'make' output.  What's strange is that moving
_multiprocessing{_failed,}.so, the import works just fine.

building '_multiprocessing' extension
creating
build/temp.linux-i686-3.0/home/barry/projects/python/python30/Modules/_multiprocessing
gcc -pthread -fPIC -fno-strict-aliasing -DNDEBUG -g -fwrapv -O3 -Wall
-Wstrict-prototypes -DHAVE_SEM_OPEN=1 -DHAVE_FD_TRANSFER=1
-DHAVE_SEM_TIMEDWAIT=1 -IModules/_multiprocessing -I.
-I/home/barry/projects/python/python30/./Include -I. -IInclude
-I./Include -I/usr/local/include
-I/home/barry/projects/python/python30/Include
-I/home/barry/projects/python/python30 -c
/home/barry/projects/python/python30/Modules/_multiprocessing/multiprocessing.c
-o
build/temp.linux-i686-3.0/home/barry/projects/python/python30/Modules/_multiprocessing/multiprocessing.o
gcc -pthread -fPIC -fno-strict-aliasing -DNDEBUG -g -fwrapv -O3 -Wall
-Wstrict-prototypes -DHAVE_SEM_OPEN=1 -DHAVE_FD_TRANSFER=1
-DHAVE_SEM_TIMEDWAIT=1 -IModules/_multiprocessing -I.
-I/home/barry/projects/python/python30/./Include -I. -IInclude
-I./Include -I/usr/local/include
-I/home/barry/projects/python/python30/Include
-I/home/barry/projects/python/python30 -c
/home/barry/projects/python/python30/Modules/_multiprocessing/socket_connection.c
-o
build/temp.linux-i686-3.0/home/barry/projects/python/python30/Modules/_multiprocessing/socket_connection.o
gcc -pthread -fPIC -fno-strict-aliasing -DNDEBUG -g -fwrapv -O3 -Wall
-Wstrict-prototypes -DHAVE_SEM_OPEN=1 -DHAVE_FD_TRANSFER=1
-DHAVE_SEM_TIMEDWAIT=1 -IModules/_multiprocessing -I.
-I/home/barry/projects/python/python30/./Include -I. -IInclude
-I./Include -I/usr/local/include
-I/home/barry/projects/python/python30/Include
-I/home/barry/projects/python/python30 -c
/home/barry/projects/python/python30/Modules/_multiprocessing/semaphore.c -o
build/temp.linux-i686-3.0/home/barry/projects/python/python30/Modules/_multiprocessing/semaphore.o
gcc -pthread -shared
build/temp.linux-i686-3.0/home/barry/projects/python/python30/Modules/_multiprocessing/multiprocessing.o
build/temp.linux-i686-3.0/home/barry/projects/python/python30/Modules/_multiprocessing/socket_connection.o
build/temp.linux-i686-3.0/home/barry/projects/python/python30/Modules/_multiprocessing/semaphore.o
-L/usr/local/lib -o build/lib.linux-i686-3.0/_multiprocessing.so
*** WARNING: renaming "_multiprocessing" since importing it failed: No
module named _multiprocessing

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<http://bugs.python.org/issue3088>
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