src/glu/sgi/libnurbs/internals/mysetjmp.h

   1 /*
   2  * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
   3  * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice including the dates of first publication and
  13  * either this permission notice or a reference to
  14  * http://oss.sgi.com/projects/FreeB/
  15  * shall be included in all copies or substantial portions of the Software.
  16  *
  17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  20  * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  21  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
  22  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23  * SOFTWARE.
  24  *
  25  * Except as contained in this notice, the name of Silicon Graphics, Inc.
  26  * shall not be used in advertising or otherwise to promote the sale, use or
  27  * other dealings in this Software without prior written authorization from
  28  * Silicon Graphics, Inc.
  29  */
  30
  31 /*
  32  * mysetjmp.h
  33  *
  34  */
  35
  36 #ifndef __glumysetjmp_h_
  37 #define __glumysetjmp_h_
  38
  39 #ifdef STANDALONE
  40 struct JumpBuffer;
  41 extern "C" JumpBuffer *newJumpbuffer( void );
  42 extern "C" void deleteJumpbuffer(JumpBuffer *);
  43 extern "C" void mylongjmp( JumpBuffer *, int );
  44 extern "C" int mysetjmp( JumpBuffer * );
  45 #endif
  46
  47 #ifdef GLBUILD
  48 #define setjmp          gl_setjmp
  49 #define longjmp         gl_longjmp
  50 #endif
  51
  52 #if defined(LIBRARYBUILD) || defined(GLBUILD)
  53 #include <setjmp.h>
  54 #include <stdlib.h>
  55
  56 struct JumpBuffer {
  57     jmp_buf     buf;
  58 };
  59
  60 inline JumpBuffer *
  61 newJumpbuffer( void )
  62 {
  63     return (JumpBuffer *) malloc( sizeof( JumpBuffer ) );
  64 }
  65
  66 inline void
  67 deleteJumpbuffer(JumpBuffer *jb)
  68 {
  69    free( (void *) jb);
  70 }
  71
  72 inline void
  73 mylongjmp( JumpBuffer *j, int code )
  74 {
  75     ::longjmp( j->buf, code );
  76 }
  77
  78 inline int
  79 mysetjmp( JumpBuffer *j )
  80 {
  81     return setjmp( j->buf );
  82 }
  83 #endif
  84
  85 #endif /* __glumysetjmp_h_ */