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Diffstat (limited to '')
-rw-r--r-- | bin/dash/src/error.h | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/bin/dash/src/error.h b/bin/dash/src/error.h deleted file mode 100644 index 94e30a27..00000000 --- a/bin/dash/src/error.h +++ /dev/null @@ -1,129 +0,0 @@ -/*- - * Copyright (c) 1991, 1993 - * The Regents of the University of California. All rights reserved. - * Copyright (c) 1997-2005 - * Herbert Xu <herbert@gondor.apana.org.au>. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Kenneth Almquist. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)error.h 8.2 (Berkeley) 5/4/95 - */ - -#include <setjmp.h> -#include <signal.h> - -/* - * Types of operations (passed to the errmsg routine). - */ - -#define E_OPEN 01 /* opening a file */ -#define E_CREAT 02 /* creating a file */ -#define E_EXEC 04 /* executing a program */ - - -/* - * We enclose jmp_buf in a structure so that we can declare pointers to - * jump locations. The global variable handler contains the location to - * jump to when an exception occurs, and the global variable exception - * contains a code identifying the exeception. To implement nested - * exception handlers, the user should save the value of handler on entry - * to an inner scope, set handler to point to a jmploc structure for the - * inner scope, and restore handler on exit from the scope. - */ - -struct jmploc { - jmp_buf loc; -}; - -extern struct jmploc *handler; -extern int exception; - -/* exceptions */ -#define EXINT 0 /* SIGINT received */ -#define EXERROR 1 /* a generic error */ -#define EXEND 3 /* exit the shell */ -#define EXEXIT 4 /* exit the shell via exitcmd */ - - -/* - * These macros allow the user to suspend the handling of interrupt signals - * over a period of time. This is similar to SIGHOLD to or sigblock, but - * much more efficient and portable. (But hacking the kernel is so much - * more fun than worrying about efficiency and portability. :-)) - */ - -extern int suppressint; -extern volatile sig_atomic_t intpending; - -#define barrier() ({ __asm__ __volatile__ ("": : :"memory"); }) -#define INTOFF \ - ({ \ - suppressint++; \ - barrier(); \ - 0; \ - }) -#ifdef REALLY_SMALL -void __inton(void); -#define INTON __inton() -#else -#define INTON \ - ({ \ - barrier(); \ - if (--suppressint == 0 && intpending) onint(); \ - 0; \ - }) -#endif -#define FORCEINTON \ - ({ \ - barrier(); \ - suppressint = 0; \ - if (intpending) onint(); \ - 0; \ - }) -#define SAVEINT(v) ((v) = suppressint) -#define RESTOREINT(v) \ - ({ \ - barrier(); \ - if ((suppressint = (v)) == 0 && intpending) onint(); \ - 0; \ - }) -#define CLEAR_PENDING_INT intpending = 0 -#define int_pending() intpending - -void exraise(int) __attribute__((__noreturn__)); -#ifdef USE_NORETURN -void onint(void) __attribute__((__noreturn__)); -#else -void onint(void); -#endif -extern int errlinno; -void sh_error(const char *, ...) __attribute__((__noreturn__)); -void exerror(int, const char *, ...) __attribute__((__noreturn__)); -const char *errmsg(int, int); - -void sh_warnx(const char *, ...); |