VirtualBox

source: kBuild/trunk/src/kash/error.h@ 1240

Last change on this file since 1240 was 1233, checked in by bird, 17 years ago

keywords.

  • Property svn:eol-style set to LF
  • Property svn:keywords set to Id
File size: 4.8 KB
Line 
1/* $NetBSD: error.h,v 1.16 2003/08/07 09:05:30 agc Exp $ */
2
3/*-
4 * Copyright (c) 1991, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Kenneth Almquist.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * @(#)error.h 8.2 (Berkeley) 5/4/95
35 */
36
37#ifndef ___error_h
38#define ___error_h
39
40#include "shtypes.h"
41#include <stdarg.h>
42
43/*
44 * Types of operations (passed to the errmsg routine).
45 */
46
47#define E_OPEN 01 /* opening a file */
48#define E_CREAT 02 /* creating a file */
49#define E_EXEC 04 /* executing a program */
50
51
52/*
53 * We enclose jmp_buf in a structure so that we can declare pointers to
54 * jump locations. The global variable handler contains the location to
55 * jump to when an exception occurs, and the global variable exception
56 * contains a code identifying the exeception. To implement nested
57 * exception handlers, the user should save the value of handler on entry
58 * to an inner scope, set handler to point to a jmploc structure for the
59 * inner scope, and restore handler on exit from the scope.
60 */
61
62#include <setjmp.h>
63
64struct jmploc {
65 jmp_buf loc;
66};
67
68/*
69extern struct jmploc *handler;
70extern int exception;
71extern int exerrno;*/ /* error for EXEXEC */
72
73/* exceptions */
74#define EXINT 0 /* SIGINT received */
75#define EXERROR 1 /* a generic error */
76#define EXSHELLPROC 2 /* execute a shell procedure */
77#define EXEXEC 3 /* command execution failed */
78
79
80/*
81 * These macros allow the user to suspend the handling of interrupt signals
82 * over a period of time. This is similar to SIGHOLD to or sigblock, but
83 * much more efficient and portable. (But hacking the kernel is so much
84 * more fun than worrying about efficiency and portability. :-))
85 */
86
87/*extern volatile int suppressint;
88extern volatile int intpending;*/
89
90#define INTOFF psh->suppressint++
91#define INTON { if (--psh->suppressint == 0 && psh->intpending) onint(psh); }
92#define FORCEINTON {psh->suppressint = 0; if (psh->intpending) onint(psh);}
93#define CLEAR_PENDING_INT psh->intpending = 0
94#define int_pending() psh->intpending
95
96#if !defined(__GNUC__) && !defined(__attribute__)
97# define __attribute__(a)
98#endif
99
100void exraise(struct shinstance *, int) __attribute__((__noreturn__));
101void onint(struct shinstance *);
102void error(struct shinstance *, const char *, ...) __attribute__((__noreturn__));
103void exerror(struct shinstance *, int, const char *, ...) __attribute__((__noreturn__));
104const char *errmsg(struct shinstance *, int, int);
105
106void sh_err(struct shinstance *, int, const char *, ...) __attribute__((__noreturn__));
107void sh_verr(struct shinstance *, int, const char *, va_list) __attribute__((__noreturn__));
108void sh_errx(struct shinstance *, int, const char *, ...) __attribute__((__noreturn__));
109void sh_verrx(struct shinstance *, int, const char *, va_list) __attribute__((__noreturn__));
110void sh_warn(struct shinstance *, const char *, ...);
111void sh_vwarn(struct shinstance *, const char *, va_list);
112void sh_warnx(struct shinstance *, const char *, ...);
113void sh_vwarnx(struct shinstance *, const char *, va_list);
114
115void sh_exit(struct shinstance *, int) __attribute__((__noreturn__));
116
117
118/*
119 * BSD setjmp saves the signal mask, which violates ANSI C and takes time,
120 * so we use _setjmp instead.
121 */
122
123#if defined(BSD) && !defined(__SVR4) && !defined(__GLIBC__) && !defined(__KLIBC__) && !defined(_MSC_VER)
124#define setjmp(jmploc) _setjmp(jmploc)
125#define longjmp(jmploc, val) _longjmp(jmploc, val)
126#endif
127
128#endif
Note: See TracBrowser for help on using the repository browser.

© 2024 Oracle Support Privacy / Do Not Sell My Info Terms of Use Trademark Policy Automated Access Etiquette