xref: /freebsd-11-stable/sys/i386/ibcs2/ibcs2_util.h (revision 4ab2e064d7950be84256d671a7ae93f87cc6aa36)
1 /*-
2  * Copyright (c) 1994 Christos Zoulas
3  * Copyright (c) 1995 Frank van der Linden
4  * Copyright (c) 1995 Scott Bartram
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28  *
29  * from: svr4_util.h,v 1.5 1994/11/18 02:54:31 christos Exp
30  * from: linux_util.h,v 1.2 1995/03/05 23:23:50 fvdl Exp
31  *
32  * $FreeBSD$
33  */
34 
35 /*
36  * This file is pretty much the same as Christos' svr4_util.h
37  * (for now).
38  */
39 
40 #ifndef	_IBCS2_UTIL_H_
41 #define	_IBCS2_UTIL_H_
42 
43 #include <sys/proc.h>
44 #include <sys/uio.h>
45 
46 #ifdef DEBUG_IBCS2
47 #define DPRINTF(a)      printf a;
48 #else
49 #define DPRINTF(a)
50 #endif
51 
52 extern const char ibcs2_emul_path[];
53 
54 int	ibcs2_emul_find(struct thread *, char *, enum uio_seg, char **, int);
55 
56 #define	CHECKALT(td, upath, pathp, i)					\
57 	do {								\
58 		int _error;						\
59 									\
60 		_error = ibcs2_emul_find(td, upath, UIO_USERSPACE, pathp, i); \
61 		if (*(pathp) == NULL)					\
62 			return (_error);				\
63 	} while (0)
64 
65 #define CHECKALTEXIST(td, upath, pathp) CHECKALT(td, upath, pathp, 0)
66 #define CHECKALTCREAT(td, upath, pathp) CHECKALT(td, upath, pathp, 1)
67 
68 #ifdef SPX_HACK
69 int	spx_open(struct thread *td);
70 #endif
71 
72 #endif /* !_IBCS2_UTIL_H_ */
73