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Diffstat (limited to '')
| -rw-r--r-- | bin/1sh/error.h | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/bin/1sh/error.h b/bin/1sh/error.h deleted file mode 100644 index 0401598f..00000000 --- a/bin/1sh/error.h +++ /dev/null @@ -1,95 +0,0 @@ -/*- - * Copyright (c) 1991, 1993 - * The Regents of the University of California. 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 - * $FreeBSD: releng/12.1/bin/sh/error.h 319591 2017-06-04 21:58:02Z jilles $ - */ - -/* - * 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 exception. 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. - */ - -#include <setjmp.h> -#include <signal.h> - -struct jmploc { - jmp_buf loc; -}; - -extern struct jmploc *handler; -extern volatile sig_atomic_t exception; - -/* exceptions */ -#define EXINT 0 /* SIGINT received */ -#define EXERROR 1 /* a generic error */ -#define EXEXEC 2 /* command execution failed */ -#define EXEXIT 3 /* call exitshell(exitstatus) */ - - -/* - * 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 volatile sig_atomic_t suppressint; -extern volatile sig_atomic_t intpending; - -#define INTOFF suppressint++ -#define INTON { if (--suppressint == 0 && intpending) onint(); } -#define is_int_on() suppressint -#define SETINTON(s) do { suppressint = (s); if (suppressint == 0 && intpending) onint(); } while (0) -#define FORCEINTON {suppressint = 0; if (intpending) onint();} -#define SET_PENDING_INT intpending = 1 -#define CLEAR_PENDING_INT intpending = 0 -#define int_pending() intpending - -void exraise(int) __attribute__((noreturn)); -void onint(void) __attribute__((noreturn)); -void warning(const char *, ...) __attribute__((format(printf, 1, 2))); -void error(const char *, ...) __attribute__((format(printf, 1, 2))) __attribute__((noreturn)); -void exerror(int, const char *, ...) __attribute__((format(printf, 2, 3))) __attribute__((noreturn)); - - -/* - * BSD setjmp saves the signal mask, which violates ANSI C and takes time, - * so we use _setjmp instead. - */ - -#define setjmp(jmploc) _setjmp(jmploc) -#define longjmp(jmploc, val) _longjmp(jmploc, val) |