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      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_ */
     86