compiler/include/exec/ports.h

   1 #ifndef EXEC_PORTS_H
   2 #define EXEC_PORTS_H
   3
   4 /*
   5     Copyright © 1995-2017, The AROS Development Team. All rights reserved.
   6     $Id$
   7
   8     Desc: Message ports and messages
   9     Lang: english
  10 */
  11
  12 #include <aros/config.h>
  13
  14 #ifndef EXEC_NODES_H
  15 #   include "exec/nodes.h"
  16 #endif
  17 #ifndef EXEC_LISTS_H
  18 #   include "exec/lists.h"
  19 #endif
  20 #if defined(__AROSPLATFORM_SMP__)
  21 #include <aros/types/spinlock_s.h>
  22 #endif
  23
  24 /* MsgPort */
  25 struct MsgPort
  26 {
  27     struct Node mp_Node;
  28     UBYTE       mp_Flags;
  29     UBYTE       mp_SigBit;  /* Signal bit number */
  30     void      * mp_SigTask; /* Object to be signalled */
  31     struct List mp_MsgList; /* Linked list of messages */
  32 #if defined(__AROSPLATFORM_SMP__)
  33 #if defined(__AROSEXEC_SMP__)
  34     spinlock_t mp_SpinLock;
  35 #else
  36     spinlock_t mp_Pad;
  37 #endif
  38 #endif
  39 };
  40
  41 #define mp_SoftInt mp_SigTask   /* Alias */
  42
  43 /* mp_Flags: Port arrival actions (PutMsg) */
  44 #define PF_ACTION       7       /* Mask */
  45
  46 #define PA_SIGNAL       0       /* Signal task in mp_SigTask */
  47 #define PA_SOFTINT      1       /* Signal SoftInt in mp_SoftInt/mp_SigTask */
  48 #define PA_IGNORE       2       /* Ignore arrival */
  49
  50 #define PA_CALL         3       /* Call function in mp_SigTask. This was never
  51                                    documented on AmigaOS and was never defined
  52                                    but would work for mp_Flags == 3 */
  53
  54 /* Message */
  55 struct Message
  56 {
  57     struct Node      mn_Node;
  58     struct MsgPort * mn_ReplyPort;  /* message reply port */
  59     UWORD            mn_Length;     /* total message length, in bytes */
  60                                     /* (include the size of the Message
  61                                        structure in the length) */
  62 };
  63
  64 #endif  /* EXEC_PORTS_H */