From: Brian Norris <banorris@uci.edu>
Date: Tue, 9 Oct 2012 17:42:50 +0000 (-0700)
Subject: threads: assert THREAD_COMPLETED is immutable
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=c11tester.git;a=commitdiff_plain;h=a330eb33b1b62dfa71f3f0cb055367a30090c180

threads: assert THREAD_COMPLETED is immutable
---

diff --git a/threads-model.h b/threads-model.h
index 9a4d959d..344d58ba 100644
--- a/threads-model.h
+++ b/threads-model.h
@@ -44,7 +44,7 @@ public:
 	static int swap(Thread *t, ucontext_t *ctxt);
 
 	thread_state get_state() const { return state; }
-	void set_state(thread_state s) { state = s; }
+	void set_state(thread_state s);
 	thread_id_t get_id() const;
 	thrd_t get_thrd_t() const { return *user_thread; }
 	Thread * get_parent() const { return parent; }
diff --git a/threads.cc b/threads.cc
index 6b4e2c74..87de32fb 100644
--- a/threads.cc
+++ b/threads.cc
@@ -178,3 +178,13 @@ thread_id_t Thread::get_id() const
 {
 	return id;
 }
+
+/**
+ * Set a thread's THREAD_* state (@see thread_state)
+ * @param s The state to enter
+ */
+void Thread::set_state(thread_state s)
+{
+	ASSERT(s == THREAD_COMPLETED || state != THREAD_COMPLETED);
+	state = s;
+}