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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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