#ifndef	EXEC_NODES_H
#define	EXEC_NODES_H
/*
**	$VER: nodes.h 39.0 (15.10.1991)
**	Includes Release 45.1
**
**	Nodes & Node type identifiers.
**
**	(C) Copyright 1985-2001 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 */

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