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bpo-41440: add os.cpu_count() support for VxWorks RTOS #21685

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Merged
merged 10 commits into from
Aug 7, 2020
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bpo-41440: add os.cpu_count() support for VxWorks RTOS #21685

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70b1229
add os.cpu_count() support for VxWorks RTOS
pxinwr Jul 30, 2020
42f7f57
Rerun the CI
pxinwr Jul 30, 2020
ff31665
replace __builtin_popcount with _Py_popcount32
pxinwr Jul 31, 2020
3c85faa
rerun the ci
pxinwr Jul 31, 2020
0f52c97
Update Misc/NEWS.d/next/Library/2020-07-30-14-56-58.bpo-41440.rju34k.rst
pxinwr Jul 31, 2020
88e7cea
update What's New
pxinwr Jul 31, 2020
9249226
Revert "update What's New"
pxinwr Aug 1, 2020
3c1c4bc
move changelog in whatsnew
pxinwr Aug 1, 2020
2fc1568
Update Modules/posixmodule.c
pxinwr Aug 4, 2020
f8766a7
Polish Doc/whatsnew/3.10.rst
pxinwr Aug 4, 2020
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6 changes: 6 additions & 0 deletions Doc/whatsnew/3.10.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -110,6 +110,12 @@ Added the *root_dir* and *dir_fd* parameters in :func:`~glob.glob` and
:func:`~glob.iglob` which allow to specify the root directory for searching.
(Contributed by Serhiy Storchaka in :issue:`38144`.)

os
--

Added :func:`os.cpu_count()` support for VxWorks RTOS.
(Contributed by Peixing Xin in :issue:`41440`.)

py_compile
----------

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1 change: 1 addition & 0 deletions Misc/NEWS.d/next/Library/2020-07-30-14-56-58.bpo-41440.rju34k.rst
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@@ -0,0 +1 @@
Add :func:`os.cpu_count()` support for VxWorks RTOS.
5 changes: 5 additions & 0 deletions Modules/posixmodule.c
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Expand Up @@ -32,6 +32,9 @@
# include <windows.h>
#endif

#ifdef __VXWORKS__
# include "pycore_bitutils.h" // _Py_popcount32()
#endif
#include "pycore_ceval.h" // _PyEval_ReInitThreads()
#include "pycore_import.h" // _PyImport_ReInitLock()
#include "pycore_initconfig.h" // _PyStatus_EXCEPTION()
Expand Down Expand Up @@ -12607,6 +12610,8 @@ os_cpu_count_impl(PyObject *module)
ncpu = mpctl(MPC_GETNUMSPUS, NULL, NULL);
#elif defined(HAVE_SYSCONF) && defined(_SC_NPROCESSORS_ONLN)
ncpu = sysconf(_SC_NPROCESSORS_ONLN);
#elif defined(__VXWORKS__)
ncpu = _Py_popcount32(vxCpuEnabledGet());
#elif defined(__DragonFly__) || \
defined(__OpenBSD__) || \
defined(__FreeBSD__) || \
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