vendor/compiler-rt/compiler-rt-r224034

1 files changed, 22 insertions, 0 deletions

diff --git a/test/msan/pthread_getattr_np_deadlock.cc b/test/msan/pthread_getattr_np_deadlock.cc
new file mode 100644
index 0000000000000..07f19cb61b6ce
--- /dev/null
+++ b/test/msan/pthread_getattr_np_deadlock.cc
@@ -0,0 +1,22 @@
+// RUN: %clangxx_msan -m64 -fsanitize-memory-track-origins -O0 %s -o %t && %run %t
+
+// Regression test for a deadlock in pthread_getattr_np
+
+#include <assert.h>
+#include <pthread.h>
+
+void *ThreadFn(void *) {
+  pthread_attr_t attr;
+  int res = pthread_getattr_np(pthread_self(), &attr);
+  assert(!res);
+  return 0;
+}
+
+int main(void) {
+  pthread_t t;
+  int res = pthread_create(&t, 0, ThreadFn, 0);
+  assert(!res);
+  res = pthread_join(t, 0);
+  assert(!res);
+  return 0;
+}