From: Sam Gross <colesbury@gmail.com>
Date: Mon, 5 Jan 2026 21:13:29 +0000 (-0500)
Subject: gh-143108: Don't instrument some faulthandler related functions for TSan (#143450)
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7a572d9f21dd7b665b95f4f96e1d40c6b72754ad;p=thirdparty%2FPython%2Fcpython.git

gh-143108: Don't instrument some faulthandler related functions for TSan (#143450)
---

diff --git a/Python/traceback.c b/Python/traceback.c
index 40e19c7cc820..74360a1c73c2 100644
--- a/Python/traceback.c
+++ b/Python/traceback.c
@@ -1186,7 +1186,7 @@ _Py_DumpTraceback(int fd, PyThreadState *tstate)
 
 
 // Write the thread name
-static void
+static void _Py_NO_SANITIZE_THREAD
 write_thread_name(int fd, PyThreadState *tstate)
 {
 #ifndef MS_WINDOWS
@@ -1239,7 +1239,7 @@ write_thread_name(int fd, PyThreadState *tstate)
 
    This function is signal safe (except on Windows). */
 
-static void
+static void _Py_NO_SANITIZE_THREAD
 write_thread_id(int fd, PyThreadState *tstate, int is_current)
 {
     if (is_current)