proc_rename(), proc_forbid(), proc_permit(): New functions.

[bertos.git] / kern / msg.h

diff --git a/kern/msg.h b/kern/msg.h
index 0fcfffad45df50bb8039163b2c0e340e6e621da3..dbd73e839664c52a68af840c150126be2435623d 100755 (executable)
--- a/kern/msg.h
+++ b/kern/msg.h
@@ -16,16 +16,26 @@
  * \author Bernardo Innocenti <bernie@develer.com>
  */
 
-/*
- * $Log$
- * Revision 1.1  2004/06/06 15:11:08  bernie
- * Import into DevLib.
- *
- */
+/*#*
+ *#* $Log$
+ *#* Revision 1.4  2004/10/19 08:22:09  bernie
+ *#* msg_peek(): New function.
+ *#*
+ *#* Revision 1.3  2004/08/25 14:12:09  rasky
+ *#* Aggiornato il comment block dei log RCS
+ *#*
+ *#* Revision 1.2  2004/08/14 19:37:57  rasky
+ *#* Merge da SC: macros.h, pool.h, BIT_CHANGE, nome dei processi, etc.
+ *#*
+ *#* Revision 1.1  2004/06/06 15:11:08  bernie
+ *#* Import into DevLib.
+ *#*
+ *#*/
 #ifndef KERN_MSG_H
 #define KERN_MSG_H
 
 #include "event.h"
+#include <mware/list.h>
 
 
 typedef struct MsgPort
@@ -43,17 +53,39 @@ typedef struct Msg
 } Msg;
 
 
-/*! Initialize a messge port */
-#define INITPORT(p)                    INITLIST(&(p)->queue)
+/*! Initialize a message port */
+INLINE void msg_initPort(MsgPort* port, Event event)
+{
+       INITLIST(&port->queue);
+       port->evn = event;
+}
 
-/*! Queue a message to a message port */
-#define PUTMSG(p,m) (ADDTAIL(&(p)->queue,(Node *)(m)), DOEVENT(&(p)->evn))
-#define PUTMSG_INTR(p,m) (ADDTAIL(&(p)->queue,(Node *)(m)), DOEVENT_INTR(&(p)->evn))
+/*! Queue \a msg into \a port, triggering the associated event */
+INLINE void msg_put(MsgPort* port, Msg* msg)
+{
+       ADDTAIL(&port->queue, &msg->link);
+       event_do(&port->evn);
+}
 
-/*! Get first message from port's queue (returns NULL when the port is empty) */
-#define GETMSG(p) ((Msg *)REMHEAD(&(p)->queue))
+/* Get the first message from the queue of \a port, or NULL if the port is empty */
+INLINE Msg* msg_get(MsgPort* port)
+{
+       return (Msg*)REMHEAD(&port->queue);
+}
 
-/*! Reply a message to its sender */
-#define REPLYMSG(m) (PUTMSG((m)->replyPort,(m)))
+/* Peek the first message in the queue of \a port, or NULL if the port is empty */
+INLINE Msg *msg_peek(MsgPort *port)
+{
+       if (ISLISTEMPTY(&port->queue))
+               return NULL;
+
+       return (Msg *)port->queue.head;
+}
+
+/*! Send back (reply) \a msg to its sender */
+INLINE void msg_reply(Msg* msg)
+{
+       msg_put(msg->replyPort, msg);
+}
 
 #endif /* KERN_MSG_H */