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Annotation of kernel/machdep/i386/pmon.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: 
        !            25: /*
        !            26:  * pmon.h - structs and #defines for performance monitor library interfaces.
        !            27:  *
        !            28:  * History
        !            29:  * -------
        !            30:  * 18-Dec-89   dmitch
        !            31:  *     Created.
        !            32:  */
        !            33:  
        !            34: #import        <sys/types.h>
        !            35: #import        <sys/message.h>
        !            36: #import <machine/pmon_ipc.h>
        !            37: #import <sys/boolean.h>
        !            38: 
        !            39: /* 
        !            40:  *     pmon_vars struct. One per client, initialized in pmon_open().
        !            41:  */
        !            42: struct pmon_vars {
        !            43:        
        !            44:        port_t          server_port;    /* pmon server's port */
        !            45:        port_t          reply_port;     /* port thru which we communicate with
        !            46:                                         * pmon server */
        !            47:        port_t          event_port;     /* port to which events are sent */
        !            48:        pmon_event_msg_t emsg;          /* contains the last event message 
        !            49:                                         * received in event_port */
        !            50:        pmon_event_t    event_ptr;      /* points to an element in 
        !            51:                                         * emsg->event[], or NULL if no valid 
        !            52:                                         * events. */
        !            53:        int             num_events;     /* number of valid, unused pmon_events
        !            54:                                         * in emsg */
        !            55: }; 
        !            56: 
        !            57: typedef struct pmon_vars *pmon_vars_t;
        !            58: 
        !            59: typedef int            pmon_return_t;
        !            60: 
        !            61: /*
        !            62:  *     values for pmon_return_t
        !            63:  */
        !            64: #define PMR_SUCCESS       0            /* OK */
        !            65: #define PMR_RESOURCE   -900            /* resource (memory, port) allocation
        !            66:                                         * failure */
        !            67: #define PMR_IPCFAIL    -901            /* mach IPC error */
        !            68: #define PMR_ACCESS     -902            /* desired events already destined for
        !            69:                                         * another viewer */
        !            70: #define PMR_BADEVENT   -903            /* bad source/event */
        !            71: #define PMR_SERVCONN   -904            /* couldn't connect to server */
        !            72: #define PMR_BADMSG     -905            /* bad message */
        !            73: #define PMR_QUEUEFULL  -906            /* destination queue full on
        !            74:                                         * msg_send() */
        !            75: #define PMR_BADPARAM   -907            /* bad parameter */
        !            76: #define PMR_INTERNAL   -908            /* pmon internal error */
        !            77: #define PMR_TARGCONN   -909            /* couldn't connect to client */
        !            78: #define PMR_DISCONN    -910            /* not connected to specified
        !            79:                                         *  source/event_type */
        !            80: #define PMR_BADSTATUS    -1            /* not used */
        !            81: 
        !            82: /*
        !            83:  *     prototypes for library functions
        !            84:  */
        !            85:  
        !            86: /*
        !            87:  * client library functions
        !            88:  */
        !            89: pmon_return_t pmon_open(char *hostname, 
        !            90:                pmon_vars_t *pvpp);
        !            91: pmon_return_t pmon_target_cntrl(pmon_vars_t pvp,
        !            92:                char *hostname,
        !            93:                char *devname,
        !            94:                int source,
        !            95:                int msg_id,
        !            96:                int event_type);
        !            97: pmon_return_t pmon_connect(pmon_vars_t pvp,
        !            98:                int source,     
        !            99:                int event_type);
        !           100: pmon_return_t pmon_disconnect(pmon_vars_t pvp,
        !           101:                int source,
        !           102:                int event_type);
        !           103: void pmon_close(pmon_vars_t pvp);
        !           104: pmon_return_t pmon_get_event(pmon_vars_t pvp,
        !           105:                pmon_event_t event_p);
        !           106: void pmon_error(char *err_str, pmon_return_t err);
        !           107: 
        !           108: /* 
        !           109:  * target library functions
        !           110:  */
        !           111: void pmon_build_emsg(pmon_event_msg_t msgp,
        !           112:                port_t local_port,
        !           113:                port_t server_port);
        !           114: int pmon_add_event(pmon_event_msg_t msgp,
        !           115:                pmon_event_t ep,
        !           116:                boolean_t send);
        !           117: pmon_return_t pmon_send_emsg(pmon_event_msg_t msgp);
        !           118: 
        !           119: /* end of pmon.h */
        !           120: 
        !           121: 

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