libthreads: don't spin on THREAD_JOIN

[model-checker.git] / libthreads.cc

diff --git a/libthreads.cc b/libthreads.cc
index 98df4248fd83749ac9d7c36b7cbb14a3473a2710..4d6a0243c53b7fe880952747236bd8327c04a108 100644 (file)
--- a/libthreads.cc
+++ b/libthreads.cc
@@ -23,8 +23,7 @@ int thrd_create(thrd_t *t, thrd_start_t start_routine, void *arg)
 int thrd_join(thrd_t t)
 {
        Thread *th = model->get_thread(thrd_to_id(t));
-       while (th->get_state() != THREAD_COMPLETED)
-               model->switch_to_master(NULL);
+       model->switch_to_master(new ModelAction(THREAD_JOIN, std::memory_order_seq_cst, th, thrd_to_id(t)));
        return 0;
 }