xref: /onnv-gate/usr/src/ucbhead/setjmp.h (revision 0:68f95e015346)
1*0Sstevel@tonic-gate /*
2*0Sstevel@tonic-gate  * CDDL HEADER START
3*0Sstevel@tonic-gate  *
4*0Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*0Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
6*0Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
7*0Sstevel@tonic-gate  * with the License.
8*0Sstevel@tonic-gate  *
9*0Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*0Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
11*0Sstevel@tonic-gate  * See the License for the specific language governing permissions
12*0Sstevel@tonic-gate  * and limitations under the License.
13*0Sstevel@tonic-gate  *
14*0Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
15*0Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*0Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
17*0Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
18*0Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
19*0Sstevel@tonic-gate  *
20*0Sstevel@tonic-gate  * CDDL HEADER END
21*0Sstevel@tonic-gate  */
22*0Sstevel@tonic-gate /*
23*0Sstevel@tonic-gate  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
24*0Sstevel@tonic-gate  * Use is subject to license terms.
25*0Sstevel@tonic-gate  */
26*0Sstevel@tonic-gate 
27*0Sstevel@tonic-gate /*	Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T	*/
28*0Sstevel@tonic-gate /*	  All Rights Reserved  	*/
29*0Sstevel@tonic-gate 
30*0Sstevel@tonic-gate /*
31*0Sstevel@tonic-gate  * University Copyright- Copyright (c) 1982, 1986, 1988
32*0Sstevel@tonic-gate  * The Regents of the University of California
33*0Sstevel@tonic-gate  * All Rights Reserved
34*0Sstevel@tonic-gate  *
35*0Sstevel@tonic-gate  * University Acknowledgment- Portions of this document are derived from
36*0Sstevel@tonic-gate  * software developed by the University of California, Berkeley, and its
37*0Sstevel@tonic-gate  * contributors.
38*0Sstevel@tonic-gate  */
39*0Sstevel@tonic-gate 
40*0Sstevel@tonic-gate /*
41*0Sstevel@tonic-gate  * 4.3BSD setjmp compatibility header
42*0Sstevel@tonic-gate  *
43*0Sstevel@tonic-gate  * 4.3BSD setjmp/longjmp is equivalent to SVR4 sigsetjmp/siglongjmp -
44*0Sstevel@tonic-gate  * 4.3BSD _setjmp/_longjmp is equivalent to SVR4 setjmp/longjmp
45*0Sstevel@tonic-gate  */
46*0Sstevel@tonic-gate 
47*0Sstevel@tonic-gate #ifndef _SETJMP_H
48*0Sstevel@tonic-gate #define	_SETJMP_H
49*0Sstevel@tonic-gate 
50*0Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
51*0Sstevel@tonic-gate 
52*0Sstevel@tonic-gate #include <sys/types.h>
53*0Sstevel@tonic-gate #include <sys/signal.h>
54*0Sstevel@tonic-gate #include <sys/ucontext.h>
55*0Sstevel@tonic-gate 
56*0Sstevel@tonic-gate #ifdef __cplusplus
57*0Sstevel@tonic-gate extern "C" {
58*0Sstevel@tonic-gate #endif
59*0Sstevel@tonic-gate 
60*0Sstevel@tonic-gate /*
61*0Sstevel@tonic-gate  * The sizes of the jump-buffer (_JBLEN) and the sigjump-buffer
62*0Sstevel@tonic-gate  * (_SIGJBLEN) are defined by the appropriate, processor specific, ABI.
63*0Sstevel@tonic-gate  */
64*0Sstevel@tonic-gate #if defined(__amd64)
65*0Sstevel@tonic-gate #define	_JBLEN		128	/* must be the same as _SIGJBLEN for libucb */
66*0Sstevel@tonic-gate #define	_SIGJBLEN	128	/* ABI value */
67*0Sstevel@tonic-gate #elif defined(__i386)
68*0Sstevel@tonic-gate #define	_JBLEN		128	/* must be the same as _SIGJBLEN for libucb */
69*0Sstevel@tonic-gate #define	_SIGJBLEN	128	/* ABI value */
70*0Sstevel@tonic-gate #elif defined(__sparcv9)
71*0Sstevel@tonic-gate #define	_JBLEN		19	/* ABI value */
72*0Sstevel@tonic-gate #define	_SIGJBLEN	19	/* ABI value */
73*0Sstevel@tonic-gate #elif defined(__sparc)
74*0Sstevel@tonic-gate #define	_JBLEN		19	/* _SIGJBLEN */
75*0Sstevel@tonic-gate #define	_SIGJBLEN	19	/* ABI value */
76*0Sstevel@tonic-gate #else
77*0Sstevel@tonic-gate #error "ISA not supported"
78*0Sstevel@tonic-gate #endif
79*0Sstevel@tonic-gate 
80*0Sstevel@tonic-gate #if defined(__i386) || defined(__amd64) || \
81*0Sstevel@tonic-gate 	defined(__sparc) || defined(__sparcv9)
82*0Sstevel@tonic-gate 
83*0Sstevel@tonic-gate #if !defined(_LP64) && defined(__cplusplus)
84*0Sstevel@tonic-gate typedef int jmp_buf[_JBLEN];
85*0Sstevel@tonic-gate #else
86*0Sstevel@tonic-gate typedef long jmp_buf[_JBLEN];
87*0Sstevel@tonic-gate #endif
88*0Sstevel@tonic-gate 
89*0Sstevel@tonic-gate #else
90*0Sstevel@tonic-gate #error "ISA not supported"
91*0Sstevel@tonic-gate #endif
92*0Sstevel@tonic-gate 
93*0Sstevel@tonic-gate #if defined(__i386) || defined(__amd64) || \
94*0Sstevel@tonic-gate 	defined(__sparc) || defined(__sparcv9)
95*0Sstevel@tonic-gate 
96*0Sstevel@tonic-gate #if !defined(_LP64) && defined(__cplusplus)
97*0Sstevel@tonic-gate typedef int sigjmp_buf[_SIGJBLEN];
98*0Sstevel@tonic-gate #else
99*0Sstevel@tonic-gate typedef long sigjmp_buf[_SIGJBLEN];
100*0Sstevel@tonic-gate #endif
101*0Sstevel@tonic-gate 
102*0Sstevel@tonic-gate #else
103*0Sstevel@tonic-gate #error "ISA not supported"
104*0Sstevel@tonic-gate #endif
105*0Sstevel@tonic-gate 
106*0Sstevel@tonic-gate #define	setjmp(env)		_sigsetjmp((env), 1)
107*0Sstevel@tonic-gate #define	longjmp(env, val)	_siglongjmp((env), (val))
108*0Sstevel@tonic-gate #define	_setjmp(env)		_sigsetjmp((env), 0)
109*0Sstevel@tonic-gate #define	_longjmp(env, val)	_siglongjmp((env), (val))
110*0Sstevel@tonic-gate 
111*0Sstevel@tonic-gate #if defined(__STDC__)
112*0Sstevel@tonic-gate 
113*0Sstevel@tonic-gate extern int _sigsetjmp(sigjmp_buf, int);
114*0Sstevel@tonic-gate #pragma unknown_control_flow(_sigsetjmp)
115*0Sstevel@tonic-gate extern void _siglongjmp(sigjmp_buf, int) __NORETURN;
116*0Sstevel@tonic-gate 
117*0Sstevel@tonic-gate extern int	sigsetjmp(sigjmp_buf, int);
118*0Sstevel@tonic-gate #pragma unknown_control_flow(sigsetjmp)
119*0Sstevel@tonic-gate extern void	siglongjmp(sigjmp_buf, int) __NORETURN;
120*0Sstevel@tonic-gate 
121*0Sstevel@tonic-gate #else
122*0Sstevel@tonic-gate 
123*0Sstevel@tonic-gate extern int _sigsetjmp();
124*0Sstevel@tonic-gate #pragma unknown_control_flow(_sigsetjmp)
125*0Sstevel@tonic-gate extern void _siglongjmp();
126*0Sstevel@tonic-gate 
127*0Sstevel@tonic-gate extern int sigsetjmp();
128*0Sstevel@tonic-gate #pragma unknown_control_flow(sigsetjmp)
129*0Sstevel@tonic-gate extern void siglongjmp();
130*0Sstevel@tonic-gate 
131*0Sstevel@tonic-gate #endif  /* __STDC__ */
132*0Sstevel@tonic-gate 
133*0Sstevel@tonic-gate #ifdef __cplusplus
134*0Sstevel@tonic-gate }
135*0Sstevel@tonic-gate #endif
136*0Sstevel@tonic-gate 
137*0Sstevel@tonic-gate #endif /* _SETJMP_H */
138