include/iso/setjmp_iso.h

   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  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
  27  *
  28  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
  29  * Use is subject to license terms.
  30  */
  31
  32 /*
  33  * An application should not include this header directly.  Instead it
  34  * should be included only through the inclusion of other Sun headers.
  35  *
  36  * The contents of this header is limited to identifiers specified in the
  37  * C Standard.  Any new identifiers specified in future amendments to the
  38  * C Standard must be placed in this header.  If these new identifiers
  39  * are required to also be in the C++ Standard "std" namespace, then for
  40  * anything other than macro definitions, corresponding "using" directives
  41  * must also be added to <setjmp.h>.
  42  */
  43
  44 #ifndef _ISO_SETJMP_ISO_H
  45 #define _ISO_SETJMP_ISO_H
  46
  47 #include <sys/feature_tests.h>
  48
  49 #ifdef  __cplusplus
  50 extern "C" {
  51 #endif
  52
  53 #ifndef _JBLEN
  54
  55 /*
  56  * The sizes of the jump-buffer (_JBLEN) and the sigjump-buffer
  57  * (_SIGJBLEN) are defined by the appropriate, processor specific,
  58  * ABI.
  59  */
  60 #if defined(__amd64)
  61 #define _JBLEN          8       /* ABI value */
  62 #define _SIGJBLEN       128     /* ABI value */
  63 #elif defined(__i386)
  64 #define _JBLEN          10      /* ABI value */
  65 #define _SIGJBLEN       128     /* ABI value */
  66 #elif defined(__sparcv9)
  67 #define _JBLEN          12      /* ABI value */
  68 #define _SIGJBLEN       19      /* ABI value */
  69 #elif defined(__sparc)
  70 #define _JBLEN          12      /* ABI value */
  71 #define _SIGJBLEN       19      /* ABI value */
  72 #else
  73 #error "ISA not supported"
  74 #endif
  75
  76 #if __cplusplus >= 199711L
  77 namespace std {
  78 #endif
  79
  80 #if defined(__i386) || defined(__amd64) || \
  81         defined(__sparc) || defined(__sparcv9)
  82 #if defined(_LP64) || defined(_I32LPx)
  83 typedef long    jmp_buf[_JBLEN];
  84 #else
  85 typedef int     jmp_buf[_JBLEN];
  86 #endif
  87 #else
  88 #error "ISA not supported"
  89 #endif
  90
  91 extern int setjmp(jmp_buf) __RETURNS_TWICE;
  92 #pragma unknown_control_flow(setjmp)
  93 extern int _setjmp(jmp_buf) __RETURNS_TWICE;
  94 #pragma unknown_control_flow(_setjmp)
  95 extern void longjmp(jmp_buf, int) __NORETURN;
  96 extern void _longjmp(jmp_buf, int) __NORETURN;
  97
  98 #if __cplusplus >= 199711L
  99 }
 100 #endif /* end of namespace std */
 101
 102 #if __cplusplus >= 199711L
 103 using std::setjmp;
 104 #endif
 105
 106 #if defined(_STRICT_STDC) || __cplusplus >= 199711L
 107 #define setjmp(env)     setjmp(env)
 108 #endif
 109
 110 #endif  /* _JBLEN */
 111
 112 #ifdef  __cplusplus
 113 }
 114 #endif
 115
 116 #endif  /* _ISO_SETJMP_ISO_H */