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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License, Version 1.0 only
      6  * (the "License").  You may not use this file except in compliance
      7  * with the License.
      8  *
      9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
     10  * or http://www.opensolaris.org/os/licensing.
     11  * See the License for the specific language governing permissions
     12  * and limitations under the License.
     13  *
     14  * When distributing Covered Code, include this CDDL HEADER in each
     15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     16  * If applicable, add the following below this CDDL HEADER, with the
     17  * fields enclosed by brackets "[]" replaced with your own identifying
     18  * information: Portions Copyright [yyyy] [name of copyright owner]
     19  *
     20  * CDDL HEADER END
     21  */
     22 /*	Copyright (c) 1988 AT&T	*/
     23 /*	  All Rights Reserved  	*/
     24 
     25 
     26 /*
     27  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
     28  * Use is subject to license terms.
     29  */
     30 
     31 /*
     32  * An application should not include this header directly.  Instead it
     33  * should be included only through the inclusion of other Sun headers.
     34  *
     35  * The contents of this header is limited to identifiers specified in the
     36  * C Standard.  Any new identifiers specified in future amendments to the
     37  * C Standard must be placed in this header.  If these new identifiers
     38  * are required to also be in the C++ Standard "std" namespace, then for
     39  * anything other than macro definitions, corresponding "using" directives
     40  * must also be added to <setjmp.h>.
     41  */
     42 
     43 #ifndef _ISO_SETJMP_ISO_H
     44 #define	_ISO_SETJMP_ISO_H
     45 
     46 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     47 /* SVr4.0 1.9.2.9 */
     48 
     49 #include <sys/feature_tests.h>
     50 
     51 #ifdef	__cplusplus
     52 extern "C" {
     53 #endif
     54 
     55 #ifndef _JBLEN
     56 
     57 /*
     58  * The sizes of the jump-buffer (_JBLEN) and the sigjump-buffer
     59  * (_SIGJBLEN) are defined by the appropriate, processor specific,
     60  * ABI.
     61  */
     62 #if defined(__amd64)
     63 #define	_JBLEN		8	/* ABI value */
     64 #define	_SIGJBLEN	128	/* ABI value */
     65 #elif defined(__i386)
     66 #define	_JBLEN		10	/* ABI value */
     67 #define	_SIGJBLEN	128	/* ABI value */
     68 #elif defined(__sparcv9)
     69 #define	_JBLEN		12	/* ABI value */
     70 #define	_SIGJBLEN	19	/* ABI value */
     71 #elif defined(__sparc)
     72 #define	_JBLEN		12	/* ABI value */
     73 #define	_SIGJBLEN	19	/* ABI value */
     74 #else
     75 #error "ISA not supported"
     76 #endif
     77 
     78 #if __cplusplus >= 199711L
     79 namespace std {
     80 #endif
     81 
     82 #if defined(__i386) || defined(__amd64) || \
     83 	defined(__sparc) || defined(__sparcv9)
     84 #if defined(_LP64) || defined(_I32LPx)
     85 typedef long	jmp_buf[_JBLEN];
     86 #else
     87 typedef int	jmp_buf[_JBLEN];
     88 #endif
     89 #else
     90 #error "ISA not supported"
     91 #endif
     92 
     93 #if defined(__STDC__)
     94 
     95 extern int setjmp(jmp_buf);
     96 #pragma unknown_control_flow(setjmp)
     97 extern int _setjmp(jmp_buf);
     98 #pragma unknown_control_flow(_setjmp)
     99 extern void longjmp(jmp_buf, int) __NORETURN;
    100 extern void _longjmp(jmp_buf, int) __NORETURN;
    101 
    102 #else
    103 
    104 extern int setjmp();
    105 #pragma unknown_control_flow(setjmp)
    106 extern int _setjmp();
    107 #pragma unknown_control_flow(_setjmp)
    108 extern void longjmp();
    109 extern void _longjmp();
    110 
    111 #endif  /* __STDC__ */
    112 
    113 #if __cplusplus >= 199711L
    114 }
    115 #endif /* end of namespace std */
    116 
    117 #if __cplusplus >= 199711L
    118 using std::setjmp;
    119 #endif
    120 
    121 #if defined(_STRICT_STDC) || __cplusplus >= 199711L
    122 #define	setjmp(env)	setjmp(env)
    123 #endif
    124 
    125 #endif  /* _JBLEN */
    126 
    127 #ifdef	__cplusplus
    128 }
    129 #endif
    130 
    131 #endif	/* _ISO_SETJMP_ISO_H */
    132