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Annotation of embedaddon/mpd/src/msg.h, revision 1.1.1.2

1.1       misho       1: 
                      2: /*
                      3:  * msg.h
                      4:  *
                      5:  * Written by Archie Cobbs <archie@freebsd.org>
                      6:  * Copyright (c) 1995-1999 Whistle Communications, Inc. All rights reserved.
                      7:  * See ``COPYRIGHT.whistle''
                      8:  */
                      9: 
                     10: #ifndef _MSG_H_
                     11: #define _MSG_H_
                     12: 
                     13: /*
                     14:  * DEFINITIONS
                     15:  */
                     16: 
                     17: /* Messages you can send to a link or a bundle */
                     18: 
                     19:   #define MSG_OPEN             1       /* Bring yourself up */
                     20:   #define MSG_CLOSE            2       /* Bring yourself down */
                     21:   #define MSG_UP               3       /* Lower layer went up */
                     22:   #define MSG_DOWN             4       /* Lower layer went down */
                     23:   #define MSG_SHUTDOWN         5       /* Object should disappear */
                     24: 
1.1.1.2 ! misho      25: #ifndef SMALL_SYSTEM
        !            26:   #define MSG_QUEUE_LEN                8192    /* Internal messages queue length */
        !            27:   #define MSG_QUEUE_MASK       0x1FFF  /* Mask for this length */
        !            28: #else
        !            29:   #define MSG_QUEUE_LEN                512
        !            30:   #define MSG_QUEUE_MASK       0x1FF
        !            31: #endif
        !            32: 
        !            33: /*
        !            34:  * GLOBAL VARIABLES
        !            35:  */
        !            36: 
        !            37:   extern int   gQThresMin, gQThresMax, gQThresDiff;
        !            38: 
1.1       misho      39: /* Forward decl */
                     40: 
                     41:   struct msghandler
                     42:   {
                     43:     void       (*func)(int type, void *arg);
                     44:     const char *dbg;
                     45:   };
                     46: 
                     47:   typedef struct msghandler    MsgHandler;
                     48: 
                     49: /*
                     50:  * FUNCTIONS
                     51:  */
                     52: 
                     53: #define        MsgRegister(m, func)    \
                     54:            MsgRegister2(m, func, #func "()")
                     55:   extern void          MsgRegister2(MsgHandler *m, void (*func)(int typ, void *arg), const char *dbg);
                     56:   extern void          MsgUnRegister(MsgHandler *m);
                     57:   extern void          MsgSend(MsgHandler *m, int type, void *arg);
                     58:   extern const char    *MsgName(int msg);
                     59: 
                     60: #endif
                     61: