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gh-89240: Enable multiprocessing on Windows to use large process pools (GH-107873)

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We add _winapi.BatchedWaitForMultipleObjects to wait for larger numbers of handles.
This is an internal module, hence undocumented, and should be used with caution.
Check the docstring for info before using BatchedWaitForMultipleObjects.
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Steve Dower 2024-02-13 00:28:35 +00:00 • committed by GitHub
parent 2f0778675a
commit ea25f32d5f
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12 changed files with 1195 additions and 6 deletions
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10
Include/internal/pycore_global_strings.h
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@ -372,6 +372,7 @@ struct _Py_global_strings {
STRUCT_FOR_ID(defaultaction)
STRUCT_FOR_ID(delete)
STRUCT_FOR_ID(depth)
STRUCT_FOR_ID(desired_access)
STRUCT_FOR_ID(detect_types)
STRUCT_FOR_ID(deterministic)
STRUCT_FOR_ID(device)
@ -462,6 +463,7 @@ struct _Py_global_strings {
STRUCT_FOR_ID(groups)
STRUCT_FOR_ID(h)
STRUCT_FOR_ID(handle)
STRUCT_FOR_ID(handle_seq)
STRUCT_FOR_ID(hash_name)
STRUCT_FOR_ID(header)
STRUCT_FOR_ID(headers)
@ -479,9 +481,12 @@ struct _Py_global_strings {
STRUCT_FOR_ID(indexgroup)
STRUCT_FOR_ID(inf)
STRUCT_FOR_ID(infer_variance)
STRUCT_FOR_ID(inherit_handle)
STRUCT_FOR_ID(inheritable)
STRUCT_FOR_ID(initial)
STRUCT_FOR_ID(initial_bytes)
STRUCT_FOR_ID(initial_owner)
STRUCT_FOR_ID(initial_state)
STRUCT_FOR_ID(initial_value)
STRUCT_FOR_ID(initval)
STRUCT_FOR_ID(inner_size)
@ -537,6 +542,7 @@ struct _Py_global_strings {
STRUCT_FOR_ID(locals)
STRUCT_FOR_ID(logoption)
STRUCT_FOR_ID(loop)
STRUCT_FOR_ID(manual_reset)
STRUCT_FOR_ID(mapping)
STRUCT_FOR_ID(match)
STRUCT_FOR_ID(max_length)
@ -553,6 +559,7 @@ struct _Py_global_strings {
STRUCT_FOR_ID(metadata)
STRUCT_FOR_ID(method)
STRUCT_FOR_ID(microsecond)
STRUCT_FOR_ID(milliseconds)
STRUCT_FOR_ID(minute)
STRUCT_FOR_ID(mod)
STRUCT_FOR_ID(mode)
@ -562,6 +569,7 @@ struct _Py_global_strings {
STRUCT_FOR_ID(month)
STRUCT_FOR_ID(mro)
STRUCT_FOR_ID(msg)
STRUCT_FOR_ID(mutex)
STRUCT_FOR_ID(mycmp)
STRUCT_FOR_ID(n)
STRUCT_FOR_ID(n_arg)
@ -665,6 +673,7 @@ struct _Py_global_strings {
STRUCT_FOR_ID(sched_priority)
STRUCT_FOR_ID(scheduler)
STRUCT_FOR_ID(second)
STRUCT_FOR_ID(security_attributes)
STRUCT_FOR_ID(seek)
STRUCT_FOR_ID(seekable)
STRUCT_FOR_ID(selectors)
@ -752,6 +761,7 @@ struct _Py_global_strings {
STRUCT_FOR_ID(values)
STRUCT_FOR_ID(version)
STRUCT_FOR_ID(volume)
STRUCT_FOR_ID(wait_all)
STRUCT_FOR_ID(warnings)
STRUCT_FOR_ID(warnoptions)
STRUCT_FOR_ID(wbits)