freebsd-dev/include/setjmp.h
Dimitry Andric 460378bf13 Add a convenience macro for the returns_twice attribute, and apply it to
the prototypes of the appropriate functions (getcontext, savectx,
setjmp, sigsetjmp and vfork).

MFC after:	2 weeks
2012-04-29 11:04:31 +00:00

63 lines
2.5 KiB
C

/*-
* Copyright (c) 1990, 1993
* The Regents of the University of California. All rights reserved.
* (c) UNIX System Laboratories, Inc.
* All or some portions of this file are derived from material licensed
* to the University of California by American Telephone and Telegraph
* Co. or Unix System Laboratories, Inc. and are reproduced herein with
* the permission of UNIX System Laboratories, Inc.
*
* 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.
*
* @(#)setjmp.h 8.2 (Berkeley) 1/21/94
* $FreeBSD$
*/
#ifndef _SETJMP_H_
#define _SETJMP_H_
#include <sys/cdefs.h>
/* The size of the jmp_buf is machine dependent: */
#include <machine/setjmp.h>
__BEGIN_DECLS
#if __BSD_VISIBLE || __XSI_VISIBLE >= 600
void _longjmp(jmp_buf, int) __dead2;
int _setjmp(jmp_buf) __returns_twice;
#endif
void longjmp(jmp_buf, int) __dead2;
#if __BSD_VISIBLE
void longjmperror(void);
#endif
int setjmp(jmp_buf) __returns_twice;
#if __BSD_VISIBLE || __POSIX_VISIBLE || __XSI_VISIBLE
void siglongjmp(sigjmp_buf, int) __dead2;
int sigsetjmp(sigjmp_buf, int) __returns_twice;
#endif
__END_DECLS
#endif /* !_SETJMP_H_ */