From: Brian Norris <banorris@uci.edu>
Date: Sat, 6 Oct 2012 00:50:37 +0000 (-0700)
Subject: threads: add constructor for model-checker thread
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=cdsspec-compiler.git;a=commitdiff_plain;h=d57536bfa2339bb6b51c8c72a2198425534b8ff6

threads: add constructor for model-checker thread

This thread will never have its own stack, and it should never be
inserted into the Scheduler.
---

diff --git a/threads.cc b/threads.cc
index e1f74bf..7f51515 100644
--- a/threads.cc
+++ b/threads.cc
@@ -2,6 +2,8 @@
  *  @brief Thread functions.
  */
 
+#include <string.h>
+
 #include "libthreads.h"
 #include "common.h"
 #include "threads.h"
@@ -112,6 +114,31 @@ void Thread::complete()
 	}
 }
 
+/**
+ * @brief Construct a new model-checker Thread
+ *
+ * A model-checker Thread is used for accounting purposes only. It will never
+ * have its own stack, and it should never be inserted into the Scheduler.
+ *
+ * @param tid The thread ID to assign
+ */
+Thread::Thread(thread_id_t tid) :
+	parent(NULL),
+	creation(NULL),
+	pending(NULL),
+	start_routine(NULL),
+	arg(NULL),
+	stack(NULL),
+	user_thread(NULL),
+	id(tid),
+	state(THREAD_READY), /* Thread is always ready? */
+	wait_list(),
+	last_action_val(0),
+	model_thread(true)
+{
+	memset(&context, 0, sizeof(context));
+}
+
 /**
  * Construct a new thread.
  * @param t The thread identifier of the newly created thread.
diff --git a/threads.h b/threads.h
index 5e8cbef..7f005c0 100644
--- a/threads.h
+++ b/threads.h
@@ -35,6 +35,7 @@ class ModelAction;
 /** @brief A Thread is created for each user-space thread */
 class Thread {
 public:
+	Thread(thread_id_t tid);
 	Thread(thrd_t *t, void (*func)(void *), void *a);
 	~Thread();
 	void complete();