Skip numpy memmap pool tests if multiprocessing does not support semaphores
Skip numpy memmap pool tests if multiprocessing does not support semaphores

lesteve/joblib,lesteve/joblib,tomMoral/joblib,aabadie/joblib,karandesai-96/joblib,tomMoral/joblib,aabadie/joblib,joblib/joblib,joblib/joblib,karandesai-96/joblib