usr/src/head/setjmp.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 /*
  27  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  28  * Use is subject to license terms.
  29  */
  30
  31 #ifndef _SETJMP_H
  32 #define _SETJMP_H
  33
  34 #include <iso/setjmp_iso.h>
  35
  36 /*
  37  * Allow global visibility for symbols defined in
  38  * C++ "std" namespace in <iso/setjmp_iso.h>.
  39  */
  40 #if __cplusplus >= 199711L
  41 using std::jmp_buf;
  42 using std::longjmp;
  43 #endif
  44
  45 #ifdef  __cplusplus
  46 extern "C" {
  47 #endif
  48
  49 #if defined(__STDC__)
  50
  51 #if !defined(_STRICT_STDC) || defined(__XOPEN_OR_POSIX) || \
  52         defined(__EXTENSIONS__)
  53 /* non-ANSI standard compilation */
  54
  55 #if defined(_LP64) || defined(_I32LPx)
  56 typedef long sigjmp_buf[_SIGJBLEN];
  57 #else
  58 typedef int sigjmp_buf[_SIGJBLEN];
  59 #endif
  60
  61 extern int sigsetjmp(sigjmp_buf, int) __RETURNS_TWICE;
  62 #pragma unknown_control_flow(sigsetjmp)
  63 extern void siglongjmp(sigjmp_buf, int) __NORETURN;
  64 #endif
  65
  66 #else /* __STDC__ */
  67
  68 #if defined(_LP64) || defined(_I32LPx)
  69 typedef long sigjmp_buf[_SIGJBLEN];
  70 #else
  71 typedef int sigjmp_buf[_SIGJBLEN];
  72 #endif
  73
  74 extern int sigsetjmp() __RETURNS_TWICE;
  75 #pragma unknown_control_flow(sigsetjmp)
  76 extern void siglongjmp();
  77
  78 #endif  /* __STDC__ */
  79
  80 #ifdef  __cplusplus
  81 }
  82 #endif
  83
  84 #endif  /* _SETJMP_H */