1 files changed, 22 insertions, 0 deletions
diff --git a/test/msan/sem_getvalue.cc b/test/msan/sem_getvalue.cc
new file mode 100644
index 0000000000000..07b95cd493a29
--- /dev/null
+++ b/test/msan/sem_getvalue.cc
@@ -0,0 +1,22 @@
+// RUN: %clangxx_msan -O0 -g %s -o %t && %run %t
+
+#include <assert.h>
+#include <sanitizer/msan_interface.h>
+#include <semaphore.h>
+
+int main(void) {
+  sem_t sem;
+  int res = sem_init(&sem, 0, 42);
+  assert(res == 0);
+
+  int v;
+  res = sem_getvalue(&sem, &v);
+  assert(res == 0);
+  __msan_check_mem_is_initialized(&v, sizeof(v));
+  assert(v == 42);
+
+  res = sem_destroy(&sem);
+  assert(res == 0);
+
+  return 0;
+}