From: Alexandre Oliva <oliva@adacore.com>
Date: Wed, 22 Jun 2022 02:11:01 +0000 (-0300)
Subject: libstdc++: testsuite: call sched_yield for nonpreemptive targets
X-Git-Tag: basepoints/gcc-14~6007
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f129628e8f261b66a34a9626e1f5b0293548a6a8;p=thirdparty%2Fgcc.git

libstdc++: testsuite: call sched_yield for nonpreemptive targets

As in the gcc testsuite, systems without preemptive multi-threading
require sched_yield calls to be placed at points in which a context
switch might be needed to enable the test to complete.


for  libstdc++-v3/ChangeLog

	* testsuite/30_threads/this_thread/60421.cc (test02): Call
	sched_yield.
---

diff --git a/libstdc++-v3/testsuite/30_threads/this_thread/60421.cc b/libstdc++-v3/testsuite/30_threads/this_thread/60421.cc
index ad6f9aeffcc..12dbeba1cc4 100644
--- a/libstdc++-v3/testsuite/30_threads/this_thread/60421.cc
+++ b/libstdc++-v3/testsuite/30_threads/this_thread/60421.cc
@@ -59,6 +59,7 @@ test02()
   while (!sleeping)
   {
     // Wait for the thread to start sleeping.
+    sched_yield ();
   }
   while (sleeping)
   {