setjmp.h (2522B)
1 /*- 2 * Copyright (c) 1998 John Birrell <jb@cimlogic.com.au>. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by John Birrell. 16 * 4. Neither the name of the author nor the names of any co-contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * $FreeBSD: src/sys/i386/include/setjmp.h,v 1.7 2002/10/05 05:47:55 mike Exp $ 33 */ 34 35 #ifndef _SETJMP_H_ 36 #define _SETJMP_H_ 37 38 #define _JBLEN 11 /* Size of the jmp_buf on x86. */ 39 40 /* 41 * jmp_buf and sigjmp_buf are encapsulated in different structs to force 42 * compile-time diagnostics for mismatches. The structs are the same 43 * internally to avoid some run-time errors for mismatches. 44 */ 45 typedef struct _sigjmp_buf { int _sjb[_JBLEN + 1]; } sigjmp_buf[1]; 46 typedef struct _jmp_buf { int _jb[_JBLEN + 1]; } jmp_buf[1]; 47 48 49 int setjmp(jmp_buf env); 50 void longjmp(jmp_buf env, int val); 51 52 int _setjmp(jmp_buf env); 53 void _longjmp(jmp_buf env, int val); 54 55 int sigsetjmp(sigjmp_buf env, int savemask); 56 void siglongjmp(sigjmp_buf env, int val); 57 58 #endif /* !_SETJMP_H_ */