#ifndef EXEC_PORTS_H
#define EXEC_PORTS_H
/*
**      $Filename: exec/ports.h $
**      $Release: 2.04 Includes, V37.4 $
**      $Revision: 36.5 $
**      $Date: 90/05/10 $
**
**      Message ports and Messages.
**
**      (C) Copyright 1985-1999 Amiga, Inc.
**          All Rights Reserved
*/

#ifndef EXEC_NODES_H
#include "exec/nodes.h"
#endif /* EXEC_NODES_H */

#ifndef EXEC_LISTS_H
#include "exec/lists.h"
#endif /* EXEC_LISTS_H */

#ifndef EXEC_TASKS_H
#include "exec/tasks.h"
#endif /* EXEC_TASKS_H */


/****** MsgPort *****************************************************/

struct MsgPort {
    struct  Node mp_Node;
    UBYTE   mp_Flags;
    UBYTE   mp_SigBit;         /* signal bit number    */
    void   *mp_SigTask;                /* object to be signalled */
    struct  List mp_MsgList;    /* message linked list  */
};

#define mp_SoftInt mp_SigTask   /* Alias */

/* mp_Flags: Port arrival actions (PutMsg) */
#define PF_ACTION      3       /* Mask */
#define PA_SIGNAL      0       /* Signal task in mp_SigTask */
#define PA_SOFTINT     1       /* Signal SoftInt in mp_SoftInt/mp_SigTask */
#define PA_IGNORE       2       /* Ignore arrival */


/****** Message *****************************************************/

struct Message {
    struct  Node mn_Node;
    struct  MsgPort *mn_ReplyPort;  /* message reply port */
    UWORD   mn_Length;              /* total message length, in bytes */
                                    /* (include the size of the Message */
                                    /* structure in the length) */
};

#endif  /* EXEC_PORTS_H */