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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.
This commit is contained in:
Steve Dower
2024-02-13 00:28:35 +00:00
committed by GitHub
parent 2f0778675a
commit ea25f32d5f
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)