From: Victor Stinner <vstinner@python.org>
Date: Fri, 24 Sep 2021 22:40:18 +0000 (+0200)
Subject: bpo-41299: Fix EnterNonRecursiveMutex() (GH-28548)
X-Git-Tag: v3.11.0a1~75
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=d639e3170506a1a80c4b2f1b3a6250bb95ff190a;p=thirdparty%2FPython%2Fcpython.git

bpo-41299: Fix EnterNonRecursiveMutex() (GH-28548)

Remove Py_FatalError() call: the code works even if now is negative.
---

diff --git a/Python/thread_nt.h b/Python/thread_nt.h
index 0ce5e94f89bf..e9dc880115f6 100644
--- a/Python/thread_nt.h
+++ b/Python/thread_nt.h
@@ -77,9 +77,6 @@ EnterNonRecursiveMutex(PNRMUTEX mutex, DWORD milliseconds)
     } else if (milliseconds != 0) {
         /* wait at least until the target */
         _PyTime_t now = _PyTime_GetPerfCounter();
-        if (now <= 0) {
-            Py_FatalError("_PyTime_GetPerfCounter() == 0");
-        }
         _PyTime_t nanoseconds = _PyTime_FromNanoseconds((_PyTime_t)milliseconds * 1000000);
         _PyTime_t target = now + nanoseconds;
         while (mutex->locked) {