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 #include <sys/feature_tests.h>
  47 
  48 #ifdef  __cplusplus
  49 extern "C" {
  50 #endif
  51 
  52 #ifndef _JBLEN
  53 
  54 /*
  55  * The sizes of the jump-buffer (_JBLEN) and the sigjump-buffer
  56  * (_SIGJBLEN) are defined by the appropriate, processor specific,
  57  * ABI.
  58  */
  59 #if defined(__amd64)
  60 #define _JBLEN          8       /* ABI value */
  61 #define _SIGJBLEN       128     /* ABI value */
  62 #elif defined(__i386)
  63 #define _JBLEN          10      /* ABI value */
  64 #define _SIGJBLEN       128     /* ABI value */
  65 #elif defined(__sparcv9)
  66 #define _JBLEN          12      /* ABI value */
  67 #define _SIGJBLEN       19      /* ABI value */
  68 #elif defined(__sparc)
  69 #define _JBLEN          12      /* ABI value */
  70 #define _SIGJBLEN       19      /* ABI value */
  71 #else
  72 #error "ISA not supported"
  73 #endif
  74 
  75 #if __cplusplus >= 199711L
  76 namespace std {
  77 #endif
  78 
  79 #if defined(__i386) || defined(__amd64) || \
  80         defined(__sparc) || defined(__sparcv9)
  81 #if defined(_LP64) || defined(_I32LPx)
  82 typedef long    jmp_buf[_JBLEN];
  83 #else
  84 typedef int     jmp_buf[_JBLEN];
  85 #endif
  86 #else
  87 #error "ISA not supported"
  88 #endif
  89 
  90 #if defined(__STDC__)
  91 
  92 extern int setjmp(jmp_buf) __RETURNS_TWICE;
  93 #pragma unknown_control_flow(setjmp)
  94 extern int _setjmp(jmp_buf) __RETURNS_TWICE;
  95 #pragma unknown_control_flow(_setjmp)
  96 extern void longjmp(jmp_buf, int) __NORETURN;
  97 extern void _longjmp(jmp_buf, int) __NORETURN;
  98 
  99 #else
 100 
 101 extern int setjmp() __RETURNS_TWICE;
 102 #pragma unknown_control_flow(setjmp)
 103 extern int _setjmp() __RETURNS_TWICE;
 104 #pragma unknown_control_flow(_setjmp)
 105 extern void longjmp();
 106 extern void _longjmp();
 107 
 108 #endif  /* __STDC__ */
 109 
 110 #if __cplusplus >= 199711L
 111 }
 112 #endif /* end of namespace std */
 113 
 114 #if __cplusplus >= 199711L
 115 using std::setjmp;
 116 #endif
 117 
 118 #if defined(_STRICT_STDC) || __cplusplus >= 199711L
 119 #define setjmp(env)     setjmp(env)
 120 #endif
 121 
 122 #endif  /* _JBLEN */
 123 
 124 #ifdef  __cplusplus
 125 }
 126 #endif
 127 
 128 #endif  /* _ISO_SETJMP_ISO_H */