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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* University Copyright- Copyright (c) 1982, 1986, 1988
* The Regents of the University of California
* All Rights Reserved
*
* University Acknowledgment- Portions of this document are derived from
* software developed by the University of California, Berkeley, and its
* contributors.
*/
/*
* 4.3BSD setjmp compatibility header
*
* 4.3BSD setjmp/longjmp is equivalent to SVR4 sigsetjmp/siglongjmp -
* 4.3BSD _setjmp/_longjmp is equivalent to SVR4 setjmp/longjmp
*/
#ifndef _SETJMP_H
#define _SETJMP_H
#include <sys/types.h>
#include <sys/signal.h>
#include <sys/ucontext.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* The sizes of the jump-buffer (_JBLEN) and the sigjump-buffer
* (_SIGJBLEN) are defined by the appropriate, processor specific, ABI.
*/
#if defined(__amd64)
#define _JBLEN 128 /* must be the same as _SIGJBLEN for libucb */
#define _SIGJBLEN 128 /* ABI value */
#elif defined(__i386)
#define _JBLEN 128 /* must be the same as _SIGJBLEN for libucb */
#define _SIGJBLEN 128 /* ABI value */
#elif defined(__sparcv9)
#define _JBLEN 19 /* ABI value */
#define _SIGJBLEN 19 /* ABI value */
#elif defined(__sparc)
#define _JBLEN 19 /* _SIGJBLEN */
#define _SIGJBLEN 19 /* ABI value */
#else
#error "ISA not supported"
#endif
#if defined(__i386) || defined(__amd64) || \
defined(__sparc) || defined(__sparcv9)
#if !defined(_LP64) && defined(__cplusplus)
typedef int jmp_buf[_JBLEN];
#else
typedef long jmp_buf[_JBLEN];
#endif
#else
#error "ISA not supported"
#endif
#if defined(__i386) || defined(__amd64) || \
defined(__sparc) || defined(__sparcv9)
#if !defined(_LP64) && defined(__cplusplus)
typedef int sigjmp_buf[_SIGJBLEN];
#else
typedef long sigjmp_buf[_SIGJBLEN];
#endif
#else
#error "ISA not supported"
#endif
#define setjmp(env) _sigsetjmp((env), 1)
#define longjmp(env, val) _siglongjmp((env), (val))
#define _setjmp(env) _sigsetjmp((env), 0)
#define _longjmp(env, val) _siglongjmp((env), (val))
#if defined(__STDC__)
extern int _sigsetjmp(sigjmp_buf, int) __RETURNS_TWICE;
#pragma unknown_control_flow(_sigsetjmp)
extern void _siglongjmp(sigjmp_buf, int) __NORETURN;
extern int sigsetjmp(sigjmp_buf, int) __RETURNS_TWICE;
#pragma unknown_control_flow(sigsetjmp)
extern void siglongjmp(sigjmp_buf, int) __NORETURN;
#else
extern int _sigsetjmp() __RETURNS_TWICE;
#pragma unknown_control_flow(_sigsetjmp)
extern void _siglongjmp();
extern int sigsetjmp() __RETURNS_TWICE;
#pragma unknown_control_flow(sigsetjmp)
extern void siglongjmp();
#endif /* __STDC__ */
#ifdef __cplusplus
}
#endif
#endif /* _SETJMP_H */
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