Skip to content

bpo-32592: Remove Vista code from os.cpu_count() #11457

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
wants to merge 1 commit into from
Closed

bpo-32592: Remove Vista code from os.cpu_count() #11457

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
17 changes: 1 addition & 16 deletions Modules/posixmodule.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -11820,22 +11820,7 @@ os_cpu_count_impl(PyObject *module)
{
int ncpu = 0;
#ifdef MS_WINDOWS
/* Vista is supported and the GetMaximumProcessorCount API is Win7+
Need to fallback to Vista behavior if this call isn't present */
HINSTANCE hKernel32;
hKernel32 = GetModuleHandleW(L"KERNEL32");

static DWORD(CALLBACK *_GetMaximumProcessorCount)(WORD) = NULL;
*(FARPROC*)&_GetMaximumProcessorCount = GetProcAddress(hKernel32,
"GetMaximumProcessorCount");
if (_GetMaximumProcessorCount != NULL) {
ncpu = _GetMaximumProcessorCount(ALL_PROCESSOR_GROUPS);
}
else {
SYSTEM_INFO sysinfo;
GetSystemInfo(&sysinfo);
ncpu = sysinfo.dwNumberOfProcessors;
}
ncpu = GetMaximumProcessorCount(ALL_PROCESSOR_GROUPS);
#elif defined(__hpux)
ncpu = mpctl(MPC_GETNUMSPUS, NULL, NULL);
#elif defined(HAVE_SYSCONF) && defined(_SC_NPROCESSORS_ONLN)
Expand Down