error using Queu in multiprocessing #5361

erfan@erfan-Inspiron-N4050:~/RustroverProjects/RustPython/target/release2$ ./rustpython Portals2.py
/home/erfan/.local/lib/rustpython3.12/site-packages/requests/__init__.py:89: RequestsDependencyWarning: Unable to find acceptable character detection dependency (chardet or charset_normalizer).
  RequestsDependencyWarning,
888
Traceback (most recent call last):
  File "/home/erfan/RustroverProjects/RustPython/pylib/Lib/multiprocessing/synchronize.py", line 28, in <module>
    from _multiprocessing import SemLock, sem_unlink
ImportError: cannot import name 'SemLock'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "Portals2.py", line 285, in <module>
    b = a.OpenPortals(a)
  File "Portals2.py", line 200, in __init__
    self.portals["portal1"] = {"pct":Queue(), "cnt":Queue(), "rng":(0, int(self2.cl/8))}
  File "/home/erfan/RustroverProjects/RustPython/pylib/Lib/multiprocessing/context.py", line 103, in Queue
    return Queue(maxsize, ctx=self.get_context())
  File "/home/erfan/RustroverProjects/RustPython/pylib/Lib/multiprocessing/queues.py", line 40, in __init__
    from .synchronize import SEM_VALUE_MAX as maxsize
  File "/home/erfan/RustroverProjects/RustPython/pylib/Lib/multiprocessing/synchronize.py", line 33, in <module>
    " function, see issue 3770.")
ImportError: This platform lacks a functioning sem_open implementation, therefore, the required synchronization primitives needed will not function, see issue 3770.
erfan@erfan-Inspiron-N4050:~/RustroverProjects/RustPython/target/release2$ ./rustpython Portals2.py
/home/erfan/.local/lib/rustpython3.12/site-packages/requests/__init__.py:89: RequestsDependencyWarning: Unable to find acceptable character detection dependency (chardet or charset_normalizer).
  RequestsDependencyWarning,
888
Traceback (most recent call last):
  File "/home/erfan/RustroverProjects/RustPython/pylib/Lib/multiprocessing/synchronize.py", line 28, in <module>
    from _multiprocessing import SemLock, sem_unlink
ImportError: cannot import name 'SemLock'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "Portals2.py", line 285, in <module>
    b = a.OpenPortals(a)
  File "Portals2.py", line 200, in __init__
    self.portals["portal1"] = {"pct":Queue(), "cnt":Queue(), "rng":(0, int(self2.cl/8))}
  File "/home/erfan/RustroverProjects/RustPython/pylib/Lib/multiprocessing/context.py", line 103, in Queue
    return Queue(maxsize, ctx=self.get_context())
  File "/home/erfan/RustroverProjects/RustPython/pylib/Lib/multiprocessing/queues.py", line 40, in __init__
    from .synchronize import SEM_VALUE_MAX as maxsize
  File "/home/erfan/RustroverProjects/RustPython/pylib/Lib/multiprocessing/synchronize.py", line 33, in <module>
    " function, see issue 3770.")
ImportError: This platform lacks a functioning sem_open implementation, therefore, the required synchronization primitives needed will not function, see issue 3770.