[Python-checkins] fixes gh-96078: os.sched_yield release the GIL while calling sched_yield(2). (gh-97965)
miss-islington
webhook-mailer at python.org
Fri Oct 7 00:51:03 EDT 2022
https://github.com/python/cpython/commit/11945f2cf6ae4aeb8202f481e8881ec0fbfabe89
commit: 11945f2cf6ae4aeb8202f481e8881ec0fbfabe89
branch: 3.10
author: Miss Islington (bot) <31488909+miss-islington at users.noreply.github.com>
committer: miss-islington <31488909+miss-islington at users.noreply.github.com>
date: 2022-10-06T21:50:44-07:00
summary:
fixes gh-96078: os.sched_yield release the GIL while calling sched_yield(2). (gh-97965)
(cherry picked from commit b9d2e8171696514e9226164005f7bf24bf69e66d)
Co-authored-by: Dong-hee Na <donghee.na at python.org>
files:
A Misc/NEWS.d/next/Core and Builtins/2022-10-06-15-45-57.gh-issue-96078.fS-6mU.rst
M Modules/posixmodule.c
diff --git a/Misc/NEWS.d/next/Core and Builtins/2022-10-06-15-45-57.gh-issue-96078.fS-6mU.rst b/Misc/NEWS.d/next/Core and Builtins/2022-10-06-15-45-57.gh-issue-96078.fS-6mU.rst
new file mode 100644
index 000000000000..d1f949c6e13a
--- /dev/null
+++ b/Misc/NEWS.d/next/Core and Builtins/2022-10-06-15-45-57.gh-issue-96078.fS-6mU.rst
@@ -0,0 +1,2 @@
+:func:`os.sched_yield` now release the GIL while calling sched_yield(2).
+Patch by Dong-hee Na.
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index 0b8b41cb2ded..f602ae5c5892 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -7028,8 +7028,13 @@ static PyObject *
os_sched_yield_impl(PyObject *module)
/*[clinic end generated code: output=902323500f222cac input=e54d6f98189391d4]*/
{
- if (sched_yield())
+ int result;
+ Py_BEGIN_ALLOW_THREADS
+ result = sched_yield();
+ Py_END_ALLOW_THREADS
+ if (result < 0) {
return posix_error();
+ }
Py_RETURN_NONE;
}
More information about the Python-checkins
mailing list