#ifndef EXEC_NODES_H
#define EXEC_NODES_H
/*
**      $VER: nodes.h 39.0 (15.10.1991)
**      Includes Release 44.1
**
**      Nodes & Node type identifiers.
**
**      (C) Copyright 1985-1999 Amiga, Inc.
**          All Rights Reserved
*/

#ifndef EXEC_TYPES_H
#include <exec/types.h>
#endif /* EXEC_TYPES_H */


/*
 *  List Node Structure.  Each member in a list starts with a Node
 */

struct Node {
    struct  Node *ln_Succ;      /* Pointer to next (successor) */
    struct  Node *ln_Pred;      /* Pointer to previous (predecessor) */
    UBYTE   ln_Type;
    BYTE    ln_Pri;             /* Priority, for sorting */
    char    *ln_Name;           /* ID string, null terminated */
};      /* Note: word aligned */

/* minimal node -- no type checking possible */
struct MinNode {
    struct MinNode *mln_Succ;
    struct MinNode *mln_Pred;
};


/*
** Note: Newly initialized IORequests, and software interrupt structures
** used with Cause(), should have type NT_UNKNOWN.  The OS will assign a type
** when they are first used.
*/
/*----- Node Types for LN_TYPE -----*/
#define NT_UNKNOWN      0
#define NT_TASK         1       /* Exec task */
#define NT_INTERRUPT    2
#define NT_DEVICE       3
#define NT_MSGPORT      4
#define NT_MESSAGE      5       /* Indicates message currently pending */
#define NT_FREEMSG      6
#define NT_REPLYMSG     7       /* Message has been replied */
#define NT_RESOURCE     8
#define NT_LIBRARY      9
#define NT_MEMORY       10
#define NT_SOFTINT      11      /* Internal flag used by SoftInits */
#define NT_FONT         12
#define NT_PROCESS      13      /* AmigaDOS Process */
#define NT_SEMAPHORE    14
#define NT_SIGNALSEM    15      /* signal semaphores */
#define NT_BOOTNODE     16
#define NT_KICKMEM      17
#define NT_GRAPHICS     18
#define NT_DEATHMESSAGE 19

#define NT_USER         254     /* User node types work down from here */
#define NT_EXTENDED     255

#endif  /* EXEC_NODES_H */