really should be using a type that is big enough for all commonly used data types...

[model-checker.git] / threads.h

diff --git a/threads.h b/threads.h
index 0f39a836f49efae34c63415f433e37715a43d258..e7cd792a134c4b5e223b6f9465af4eaf83753b1e 100644 (file)
--- a/threads.h
+++ b/threads.h
@@ -6,6 +6,8 @@
 #define __THREADS_H__
 
 #include <ucontext.h>
+#include <stdint.h>
+
 #include "mymemory.h"
 #include "libthreads.h"
 
@@ -55,7 +57,7 @@ public:
         * atomic read).
         * @param value The value to return
         */
-       void set_return_value(int value) { last_action_val = value; }
+       void set_return_value(uint64_t value) { last_action_val = value; }
 
        /**
         * Retrieve a return value for the last action in this thread. Used,
@@ -63,7 +65,7 @@ public:
         * be called from a user context.
         * @return The value 'returned' by the action
         */
-       int get_return_value() { return last_action_val; }
+       uint64_t get_return_value() { return last_action_val; }
 
        friend void thread_startup();
 
@@ -86,7 +88,7 @@ private:
         * @see Thread::set_return_value()
         * @see Thread::get_return_value()
         */
-       int last_action_val;
+       uint64_t last_action_val;
 };
 
 Thread * thread_current();