1 files changed, 19 insertions, 0 deletions
diff --git a/test/msan/pthread_setcancelstate.cc b/test/msan/pthread_setcancelstate.cc
new file mode 100644
index 0000000000000..087c2223a83d2
--- /dev/null
+++ b/test/msan/pthread_setcancelstate.cc
@@ -0,0 +1,19 @@
+// RUN: %clangxx_msan -O0 %s -o %t && %run %t
+
+#include <assert.h>
+#include <pthread.h>
+#include <sanitizer/msan_interface.h>
+
+int main(void) {
+  int oldstate;
+  int oldtype;
+  int res = pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, &oldstate);
+  assert(res == 0);
+  __msan_check_mem_is_initialized(&oldstate, sizeof(oldstate));
+
+  res = pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, &oldtype);
+  assert(res == 0);
+  __msan_check_mem_is_initialized(&oldtype, sizeof(oldtype));
+
+  return 0;
+}