xref: /illumos-gate/usr/src/lib/libnsl/nsl/_errlst.c (revision cb620785)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
28 /*	  All Rights Reserved  	*/
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #include "mt.h"
33 #include <stdlib.h>
34 #include <thread.h>
35 #undef t_errno
36 
37 /*
38  * transport errno
39  */
40 
41 int t_errno = 0;
42 
43 /*
44  * TLI Interface exposes "t_nerr" and "t_errlist" which is a poor
45  * choice. XTI fixes that and only documents t_error() and t_strerror()
46  * as interface. We leave these variables here alone here. We create
47  * replica of these as a subset for use by XTI in t_strerror(). The
48  * first part of the replica is same as here.
49  * The rest of the errors are defined only in XTI.
50  */
51 int t_nerr = 19;
52 
53 /*
54  * transport interface error list
55  */
56 
57 char *t_errlist[] = {
58 	"No Error",					/*  0 */
59 	"Incorrect address format",			/*  1 */
60 	"Incorrect options format",			/*  2 */
61 	"Illegal permissions",				/*  3 */
62 	"Illegal file descriptor",			/*  4 */
63 	"Couldn't allocate address",			/*  5 */
64 	"Routine will place interface out of state",    /*  6 */
65 	"Illegal called/calling sequence number",	/*  7 */
66 	"System error",					/*  8 */
67 	"An event requires attention",			/*  9 */
68 	"Illegal amount of data",			/* 10 */
69 	"Buffer not large enough",			/* 11 */
70 	"Can't send message - (blocked)",		/* 12 */
71 	"No message currently available",		/* 13 */
72 	"Disconnect message not found",			/* 14 */
73 	"Unitdata error message not found",		/* 15 */
74 	"Incorrect flags specified",			/* 16 */
75 	"Orderly release message not found",		/* 17 */
76 	"Primitive not supported by provider",		/* 18 */
77 	"State is in process of changing",		/* 19 */
78 	"",
79 	"",
80 	"",
81 	"",
82 	"",
83 	"",
84 	"",
85 	"",
86 	"",
87 	"",
88 	"",
89 	"",
90 	"",
91 	"",
92 	"",
93 	"",
94 	"",
95 	"",
96 	"",
97 	"",
98 	"",
99 	"",
100 	"",
101 	"",
102 	"",
103 	"",
104 	"",
105 	"",
106 	"",
107 	"",
108 	"",
109 	"",
110 	"",
111 	"",
112 	"",
113 	"",
114 	"",
115 	""
116 	/*
117 	 *	N.B.:  t_errlist must not expand beyond this point or binary
118 	 *	compatibility will be broken.  When necessary to accomodate
119 	 *	more error strings, they may only be added to the list printed
120 	 *	by t_strerror(), q.v..  Currently, t_strerror() conserves space
121 	 *	by pointing into t_errlist[].  To expand beyond 57 errors, it
122 	 *	will be necessary to change t_strerror() to use a different
123 	 *	array.
124 	 */
125 };
126 
127 
128 int *
__t_errno(void)129 __t_errno(void)
130 {
131 	static pthread_key_t t_errno_key = PTHREAD_ONCE_KEY_NP;
132 	int *ret;
133 
134 	if (thr_main())
135 		return (&t_errno);
136 	ret = thr_get_storage(&t_errno_key, sizeof (int), free);
137 	/* if thr_get_storage fails we return the address of t_errno */
138 	return (ret ? ret : &t_errno);
139 }
140