diff options
Diffstat (limited to 'Lib/compileall.py')
| -rw-r--r-- | Lib/compileall.py | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/Lib/compileall.py b/Lib/compileall.py index a388931fb5a..d394156cedc 100644 --- a/Lib/compileall.py +++ b/Lib/compileall.py @@ -97,9 +97,15 @@ def compile_dir(dir, maxlevels=None, ddir=None, force=False, files = _walk_dir(dir, quiet=quiet, maxlevels=maxlevels) success = True if workers != 1 and ProcessPoolExecutor is not None: + import multiprocessing + if multiprocessing.get_start_method() == 'fork': + mp_context = multiprocessing.get_context('forkserver') + else: + mp_context = None # If workers == 0, let ProcessPoolExecutor choose workers = workers or None - with ProcessPoolExecutor(max_workers=workers) as executor: + with ProcessPoolExecutor(max_workers=workers, + mp_context=mp_context) as executor: results = executor.map(partial(compile_file, ddir=ddir, force=force, rx=rx, quiet=quiet, |