xref: /xnu-11215/osfmk/mach/mig_errors.h (revision a5e72196)
1 /*
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8  * Version 2.0 (the 'License'). You may not use this file except in
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28 /*
29  * @OSF_COPYRIGHT@
30  */
31 /*
32  * Mach Operating System
33  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
34  * All Rights Reserved.
35  *
36  * Permission to use, copy, modify and distribute this software and its
37  * documentation is hereby granted, provided that both the copyright
38  * notice and this permission notice appear in all copies of the
39  * software, derivative works or modified versions, and any portions
40  * thereof, and that both notices appear in supporting documentation.
41  *
42  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
43  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
44  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
45  *
46  * Carnegie Mellon requests users of this software to return to
47  *
48  *  Software Distribution Coordinator  or  [email protected]
49  *  School of Computer Science
50  *  Carnegie Mellon University
51  *  Pittsburgh PA 15213-3890
52  *
53  * any improvements or extensions that they make and grant Carnegie Mellon
54  * the rights to redistribute these changes.
55  */
56 /*
57  */
58 /*
59  * Mach Interface Generator errors
60  *
61  */
62 
63 #ifndef _MACH_MIG_ERRORS_H_
64 #define _MACH_MIG_ERRORS_H_
65 
66 #include <mach/mig.h>
67 #include <mach/ndr.h>
68 #include <mach/message.h>
69 #include <mach/kern_return.h>
70 
71 #include <sys/cdefs.h>
72 
73 /*
74  *	These error codes should be specified as system 4, subsytem 2.
75  *	But alas backwards compatibility makes that impossible.
76  *	The problem is old clients of new servers (eg, the kernel)
77  *	which get strange large error codes when there is a Mig problem
78  *	in the server.  Unfortunately, the IPC system doesn't have
79  *	the knowledge to convert the codes in this situation.
80  */
81 
82 #define MIG_TYPE_ERROR          -300    /* client type check failure */
83 #define MIG_REPLY_MISMATCH      -301    /* wrong reply message ID */
84 #define MIG_REMOTE_ERROR        -302    /* server detected error */
85 #define MIG_BAD_ID              -303    /* bad request message ID */
86 #define MIG_BAD_ARGUMENTS       -304    /* server type check failure */
87 #define MIG_NO_REPLY            -305    /* no reply should be send */
88 #define MIG_EXCEPTION           -306    /* server raised exception */
89 #define MIG_ARRAY_TOO_LARGE     -307    /* array not large enough */
90 #define MIG_SERVER_DIED         -308    /* server died */
91 #define MIG_TRAILER_ERROR       -309    /* trailer has an unknown format */
92 
93 /*
94  *	Whenever MIG detects an error, it sends back a generic
95  *	mig_reply_error_t format message.  Clients must accept
96  *	these in addition to the expected reply message format.
97  */
98 #pragma pack(4)
99 typedef struct {
100 	mach_msg_header_t       Head;
101 	NDR_record_t            NDR;
102 	kern_return_t           RetCode;
103 } mig_reply_error_t;
104 #pragma pack()
105 
106 
107 __BEGIN_DECLS
108 
109 #if !defined(__NDR_convert__mig_reply_error_t__defined)
110 #define __NDR_convert__mig_reply_error_t__defined
111 
112 static __inline__ void
__NDR_convert__mig_reply_error_t(__unused mig_reply_error_t * x)113 __NDR_convert__mig_reply_error_t(__unused mig_reply_error_t *x)
114 {
115 #if defined(__NDR_convert__int_rep__kern_return_t__defined)
116 	if (x->NDR.int_rep != NDR_record.int_rep) {
117 		__NDR_convert__int_rep__kern_return_t(&x->RetCode, x->NDR.int_rep);
118 	}
119 #endif /* __NDR_convert__int_rep__kern_return_t__defined */
120 }
121 #endif /* !defined(__NDR_convert__mig_reply_error_t__defined) */
122 
123 __END_DECLS
124 
125 #endif  /* _MACH_MIG_ERRORS_H_ */
126