python
diff --git a/‎Misc/NEWS.d/next/Core and Builtins/2022-10-06-15-45-57.gh-issue-96078.fS-6mU.rst‎
Lines changed: 2 additions & 0 deletions b/‎Misc/NEWS.d/next/Core and Builtins/2022-10-06-15-45-57.gh-issue-96078.fS-6mU.rst‎
Lines changed: 2 additions & 0 deletions
diff --git a/‎Modules/posixmodule.c‎
Lines changed: 6 additions & 1 deletion b/‎Modules/posixmodule.c‎
Lines changed: 6 additions & 1 deletion
@@ -0,0 +1,2 @@
+:func:`os.sched_yield` now release the GIL while calling sched_yield(2).
+Patch by Dong-hee Na.
@@ -7096,8 +7096,13 @@ 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;
 }
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,2 @@`
	`1`	+:func:`os.sched_yield` now release the GIL while calling sched_yield(2).
	`2`	`+Patch by Dong-hee Na.`
Original file line number	Diff line number	Diff line change
`@@ -7096,8 +7096,13 @@ static PyObject *`
`7096`	`7096`	`os_sched_yield_impl(PyObject *module)`
`7097`	`7097`	`/[clinic end generated code: output=902323500f222cac input=e54d6f98189391d4]/`
`7098`	`7098`	`{`
`7099`		`- if (sched_yield())`
	`7099`	`+ int result;`
	`7100`	`+ Py_BEGIN_ALLOW_THREADS`
	`7101`	`+ result = sched_yield();`
	`7102`	`+ Py_END_ALLOW_THREADS`
	`7103`	`+ if (result < 0) {`
`7100`	`7104`	`return posix_error();`
	`7105`	`+ }`
`7101`	`7106`	`Py_RETURN_NONE;`
`7102`	`7107`	`}`
`7103`	`7108`