diff options
Diffstat (limited to 'Lib/multiprocessing/pool.py')
| -rw-r--r-- | Lib/multiprocessing/pool.py | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Lib/multiprocessing/pool.py b/Lib/multiprocessing/pool.py index bbe05a5..961d7e5 100644 --- a/Lib/multiprocessing/pool.py +++ b/Lib/multiprocessing/pool.py @@ -203,6 +203,9 @@ class Pool(object): processes = os.cpu_count() or 1 if processes < 1: raise ValueError("Number of processes must be at least 1") + if maxtasksperchild is not None: + if not isinstance(maxtasksperchild, int) or maxtasksperchild <= 0: + raise ValueError("maxtasksperchild must be a positive int or None") if initializer is not None and not callable(initializer): raise TypeError('initializer must be a callable') |