1dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* $NetBSD: error.h,v 1.16 2003/08/07 09:05:30 agc Exp $ */ 2dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 3dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/*- 4dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Copyright (c) 1991, 1993 5dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * The Regents of the University of California. All rights reserved. 6dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 7dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * This code is derived from software contributed to Berkeley by 8dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Kenneth Almquist. 9dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 10dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Redistribution and use in source and binary forms, with or without 11dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * modification, are permitted provided that the following conditions 12dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * are met: 13dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 14dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * notice, this list of conditions and the following disclaimer. 15dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 16dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * notice, this list of conditions and the following disclaimer in the 17dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * documentation and/or other materials provided with the distribution. 18dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 3. Neither the name of the University nor the names of its contributors 19dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * may be used to endorse or promote products derived from this software 20dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * without specific prior written permission. 21dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 22dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * SUCH DAMAGE. 33dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * 34dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * @(#)error.h 8.2 (Berkeley) 5/4/95 35dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 36dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 37dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <stdarg.h> 38dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 39dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 40dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * Types of operations (passed to the errmsg routine). 41dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 42dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 43dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define E_OPEN 01 /* opening a file */ 44dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define E_CREAT 02 /* creating a file */ 45dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define E_EXEC 04 /* executing a program */ 46dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 47dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 48dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 49dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * We enclose jmp_buf in a structure so that we can declare pointers to 50dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * jump locations. The global variable handler contains the location to 51dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * jump to when an exception occurs, and the global variable exception 52dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * contains a code identifying the exeception. To implement nested 53dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * exception handlers, the user should save the value of handler on entry 54dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * to an inner scope, set handler to point to a jmploc structure for the 55dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * inner scope, and restore handler on exit from the scope. 56dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 57dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 58dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#include <setjmp.h> 59dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 60dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectstruct jmploc { 61dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project jmp_buf loc; 62dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project}; 63dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 64dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectextern struct jmploc *handler; 65dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectextern int exception; 66dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectextern int exerrno; /* error for EXEXEC */ 67dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 68dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* exceptions */ 69dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define EXINT 0 /* SIGINT received */ 70dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define EXERROR 1 /* a generic error */ 71dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define EXSHELLPROC 2 /* execute a shell procedure */ 72dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define EXEXEC 3 /* command execution failed */ 73dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 74dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 75dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 76dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * These macros allow the user to suspend the handling of interrupt signals 77dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * over a period of time. This is similar to SIGHOLD to or sigblock, but 78dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * much more efficient and portable. (But hacking the kernel is so much 79dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * more fun than worrying about efficiency and portability. :-)) 80dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 81dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 82dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectextern volatile int suppressint; 83dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectextern volatile int intpending; 84dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 85dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define INTOFF suppressint++ 86dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define INTON { if (--suppressint == 0 && intpending) onint(); } 87dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define FORCEINTON {suppressint = 0; if (intpending) onint();} 88dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define CLEAR_PENDING_INT intpending = 0 89dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define int_pending() intpending 90dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 91dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid exraise(int) __attribute__((__noreturn__)); 92dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid onint(void); 93dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid error(const char *, ...) __attribute__((__noreturn__)); 94dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid exerror(int, const char *, ...) __attribute__((__noreturn__)); 95dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectconst char *errmsg(int, int); 96dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 97dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid sh_err(int, const char *, ...) __attribute__((__noreturn__)); 98dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid sh_verr(int, const char *, va_list) __attribute__((__noreturn__)); 99dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid sh_errx(int, const char *, ...) __attribute__((__noreturn__)); 100dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid sh_verrx(int, const char *, va_list) __attribute__((__noreturn__)); 101dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid sh_warn(const char *, ...); 102dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid sh_vwarn(const char *, va_list); 103dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid sh_warnx(const char *, ...); 104dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid sh_vwarnx(const char *, va_list); 105dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 106dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Projectvoid sh_exit(int) __attribute__((__noreturn__)); 107dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 108dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 109dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project/* 110dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * BSD setjmp saves the signal mask, which violates ANSI C and takes time, 111dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project * so we use _setjmp instead. 112dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project */ 113dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project 114dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#if defined(BSD) && !defined(__SVR4) && !defined(__linux__) 115dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define setjmp(jmploc) _setjmp(jmploc) 116dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#define longjmp(jmploc, val) _longjmp(jmploc, val) 117dd7bc3319deb2b77c5d07a51b7d6cd7e11b5beb0The Android Open Source Project#endif 118