Python

Notes building python

Errors related with python, python3 on sem_open;

Default permissions;

/run/shm permissions drwxr-xr-x:
checking whether POSIX semaphores are enabled... no
checking for broken sem_getvalue... yes

After chmod 777 /dev/shm;

/run/shm permissions at drwxrwxrwt:
checking whether POSIX semaphores are enabled... yes
checking for broken sem_getvalue... no

Test with python;

import multiprocessing
from multiprocessing import synchronize