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.
Regstrapped on x86_64-linux-gnu, also tested with a cross to
aarch64-rtems6. Ok to install?
for libstdc++-v3/ChangeLog
* testsuite/30_threads/this_thread/60421.cc (test02): Call
sched_yield.
---
.../testsuite/30_threads/this_thread/60421.cc | 1 +
1 file changed, 1 insertion(+)
diff --git a/libstdc++-v3/testsuite/30_threads/this_thread/60421.cc
b/libstdc++-v3/testsuite/30_threads/this_thread/60421.cc
index ad6f9aeffcc80..12dbeba1cc492 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)
{
--
Alexandre Oliva, happy hacker https://FSFLA.org/blogs/lxo/
Free Software Activist GNU Toolchain Engineer
Disinformation flourishes because many people care deeply about injustice
but very few check the facts. Ask me about <https://stallmansupport.org>
