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  * Copyright 2014 Garrett D'Amore <garrett@damore.org>
  27  *
  28  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
  29  * Use is subject to license terms.
  30  */
  31
  32 #ifndef _SETJMP_H
  33 #define _SETJMP_H
  34
  35 #include <iso/setjmp_iso.h>
  36
  37 /*
  38  * Allow global visibility for symbols defined in
  39  * C++ "std" namespace in <iso/setjmp_iso.h>.
  40  */
  41 #if __cplusplus >= 199711L
  42 using std::jmp_buf;
  43 using std::longjmp;
  44 #endif
  45
  46 #ifdef  __cplusplus
  47 extern "C" {
  48 #endif
  49
  50 #if !defined(_STRICT_STDC) || defined(__XOPEN_OR_POSIX) || \
  51         defined(__EXTENSIONS__)
  52 /* non-ANSI standard compilation */
  53
  54 #if defined(_LP64) || defined(_I32LPx)
  55 typedef long sigjmp_buf[_SIGJBLEN];
  56 #else
  57 typedef int sigjmp_buf[_SIGJBLEN];
  58 #endif
  59
  60 extern int sigsetjmp(sigjmp_buf, int) __RETURNS_TWICE;
  61 #pragma unknown_control_flow(sigsetjmp)
  62 extern void siglongjmp(sigjmp_buf, int) __NORETURN;
  63 #endif
  64
  65 #ifdef  __cplusplus
  66 }
  67 #endif
  68
  69 #endif  /* _SETJMP_H */