standard message headers

codes/lp-msg.h

+/*
+ * Copyright (C) 2014 University of Chicago.
+ * See COPYRIGHT notice in top-level directory.
+ *
+*/
+
+#ifndef LP_MSG_H
+#define LP_MSG_H
+
+#include "ross.h"
+
+/* It is good practice to always include the src LPID, a unique message
+ * identifier, and a "magic" number to ensure that the LP type receiving the
+ * message is the intended recipient. This is formalized in the following
+ * struct and is used in a few places where LP-to-LP communication is
+ * abstracted */
+
+typedef struct msg_header_s {
+    tw_lpid src;
+    int event_type;
+    int magic; 
+} msg_header;
+
+/* data structure utilities */
+void msg_set_header(int magic, int event_type, tw_lpid src, msg_header *h);
+
+#endif /* end of include guard: LP_MSG_H */
+
+/*
+ * Local variables:
+ *  c-indent-level: 4
+ *  c-basic-offset: 4
+ * End:
+ *
+ * vim: ts=8 sts=4 sw=4 expandtab
+ */

src/util/lp-msg.c

+/*
+ * Copyright (C) 2014 University of Chicago.
+ * See COPYRIGHT notice in top-level directory.
+ *
+*/
+
+#include "codes/lp-msg.h"
+#include "ross.h"
+
+void msg_set_header(int magic, int event_type, tw_lpid src, msg_header *h){
+    h->magic = magic;
+    h->event_type = event_type;
+    h->src = src;
+}
+
+/*
+ * Local variables:
+ *  c-indent-level: 4
+ *  c-basic-offset: 4
+ * End:
+ *
+ * vim: ts=8 sts=4 sw=4 expandtab
+ */