compiler/include/exec/ports.h

   1 #ifndef EXEC_PORTS_H
   2 #define EXEC_PORTS_H
   3
   4 /*
   5     Copyright © 1995-2014, The AROS Development Team. All rights reserved.
   6     $Id$
   7
   8     Desc: Message ports and messages
   9     Lang: english
  10 */
  11
  12 #ifndef EXEC_NODES_H
  13 #   include "exec/nodes.h"
  14 #endif
  15 #ifndef EXEC_LISTS_H
  16 #   include "exec/lists.h"
  17 #endif
  18
  19 /* MsgPort */
  20 struct MsgPort
  21 {
  22     struct Node mp_Node;
  23     UBYTE       mp_Flags;
  24     UBYTE       mp_SigBit;  /* Signal bit number */
  25     void      * mp_SigTask; /* Object to be signalled */
  26     struct List mp_MsgList; /* Linked list of messages */
  27 };
  28
  29 #define mp_SoftInt mp_SigTask   /* Alias */
  30
  31 /* mp_Flags: Port arrival actions (PutMsg) */
  32 #define PF_ACTION       7       /* Mask */
  33
  34 #define PA_SIGNAL       0       /* Signal task in mp_SigTask */
  35 #define PA_SOFTINT      1       /* Signal SoftInt in mp_SoftInt/mp_SigTask */
  36 #define PA_IGNORE       2       /* Ignore arrival */
  37
  38 #define PA_CALL         3       /* Call function in mp_SigTask. This was never
  39                                    documented on AmigaOS and was never defined
  40                                    but would work for mp_Flags == 3 */
  41
  42 /* Message */
  43 struct Message
  44 {
  45     struct Node      mn_Node;
  46     struct MsgPort * mn_ReplyPort;  /* message reply port */
  47     UWORD            mn_Length;     /* total message length, in bytes */
  48                                     /* (include the size of the Message
  49                                        structure in the length) */
  50 };
  51
  52 #endif  /* EXEC_PORTS_H */