https://github.com/python/cpython/pull/22374
|
|
From b415ba00a73229ad102d590226decea014be11cc Mon Sep 17 00:00:00 2001
|
From: Jakub Kulik <kulikjak@gmail.com>
|
Date: Fri, 6 Nov 2020 14:58:33 +0100
|
Subject: [PATCH 4/4] Make the error checking more robust
|
|
---
|
Modules/posixmodule.c | 12 +++++++++---
|
1 file changed, 9 insertions(+), 3 deletions(-)
|
|
diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
|
index 82edeb39022b4..f8651d7f02bb4 100644
|
--- a/Modules/posixmodule.c
|
+++ b/Modules/posixmodule.c
|
@@ -6347,8 +6347,10 @@ os_sched_get_priority_max_impl(PyObject *module, int policy)
|
{
|
int max;
|
|
+ /* make sure that errno is cleared before the call */
|
+ errno = 0;
|
max = sched_get_priority_max(policy);
|
- if (max < 0)
|
+ if (max == -1 && errno == EINVAL)
|
return posix_error();
|
return PyLong_FromLong(max);
|
}
|
@@ -6366,8 +6368,12 @@ static PyObject *
|
os_sched_get_priority_min_impl(PyObject *module, int policy)
|
/*[clinic end generated code: output=7595c1138cc47a6d input=21bc8fa0d70983bf]*/
|
{
|
- int min = sched_get_priority_min(policy);
|
- if (min < 0)
|
+ int min;
|
+
|
+ /* make sure that errno is cleared before the call */
|
+ errno = 0;
|
+ min = sched_get_priority_min(policy);
|
+ if (min == -1 && errno == EINVAL)
|
return posix_error();
|
return PyLong_FromLong(min);
|
}
|
