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