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0f2d19dd JB |
1 | /* classes: h_files */ |
2 | ||
3 | #ifndef _SCMH | |
4 | #define _SCMH | |
5 | /* Copyright (C) 1995,1996 Free Software Foundation, Inc. | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2, or (at your option) | |
10 | * any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this software; see the file COPYING. If not, write to | |
19 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | |
20 | * | |
21 | * As a special exception, the Free Software Foundation gives permission | |
22 | * for additional uses of the text contained in its release of GUILE. | |
23 | * | |
24 | * The exception is that, if you link the GUILE library with other files | |
25 | * to produce an executable, this does not by itself cause the | |
26 | * resulting executable to be covered by the GNU General Public License. | |
27 | * Your use of that executable is in no way restricted on account of | |
28 | * linking the GUILE library code into it. | |
29 | * | |
30 | * This exception does not however invalidate any other reasons why | |
31 | * the executable file might be covered by the GNU General Public License. | |
32 | * | |
33 | * This exception applies only to the code released by the | |
34 | * Free Software Foundation under the name GUILE. If you copy | |
35 | * code from other Free Software Foundation releases into a copy of | |
36 | * GUILE, as the General Public License permits, the exception does | |
37 | * not apply to the code that you add in this way. To avoid misleading | |
38 | * anyone as to the status of such modified files, you must delete | |
39 | * this exception notice from them. | |
40 | * | |
41 | * If you write modifications of your own for GUILE, it is your choice | |
42 | * whether to permit this exception to apply to your modifications. | |
43 | * If you do not wish that, delete this exception notice. | |
44 | */ | |
45 | \f | |
46 | ||
47 | #include "libguile.h" | |
48 | ||
49 | /* On VMS, GNU C's errno.h contains a special hack to get link attributes | |
50 | * for errno correct for linking to the C RTL. | |
51 | */ | |
52 | #include <errno.h> | |
53 | ||
54 | /* SCM_SYSCALL retries system calls that have been interrupted (EINTR) */ | |
55 | #ifdef vms | |
56 | # ifndef __GNUC__ | |
57 | # include <ssdef.h> | |
58 | # define SCM_SYSCALL(line) do{errno = 0;line;} \ | |
59 | while(EVMSERR==errno && (vaxc$errno>>3)==(SS$_CONTROLC>>3)) | |
60 | # endif /* ndef __GNUC__ */ | |
61 | #endif /* def vms */ | |
62 | ||
63 | #ifndef SCM_SYSCALL | |
64 | # ifdef EINTR | |
65 | # if (EINTR > 0) | |
66 | # define SCM_SYSCALL(line) do{errno = 0;line;}while(EINTR==errno) | |
67 | # endif /* (EINTR > 0) */ | |
68 | # endif /* def EINTR */ | |
69 | #endif /* ndef SCM_SYSCALL */ | |
70 | ||
71 | #ifndef SCM_SYSCALL | |
72 | # define SCM_SYSCALL(line) {line;} | |
73 | #endif /* ndef SCM_SYSCALL */ | |
74 | ||
75 | #ifndef MSDOS | |
76 | # ifdef ARM_ULIB | |
77 | extern volatile int errno; | |
78 | # else | |
79 | extern int errno; | |
80 | # endif /* def ARM_ULIB */ | |
81 | #endif /* ndef MSDOS */ | |
82 | #ifdef __TURBOC__ | |
83 | # if (__TURBOC__==1) | |
84 | /* Needed for TURBOC V1.0 */ | |
85 | extern int errno; | |
86 | # endif /* (__TURBOC__==1) */ | |
87 | #endif /* def __TURBOC__ */ | |
88 | ||
89 | \f | |
90 | ||
91 | #ifndef SCM_MAGIC_SNARFER | |
92 | #define SCM_PROC(RANAME, STR, REQ, OPT, VAR, CFN) \ | |
93 | static char RANAME[]=STR; | |
94 | #define SCM_PROC1(RANAME, STR, TYPE, CFN) \ | |
95 | static char RANAME[]=STR; | |
96 | #else | |
97 | #define SCM_PROC(RANAME, STR, REQ, OPT, VAR, CFN) \ | |
98 | %%% scm_make_gsubr (RANAME, REQ, OPT, VAR, CFN) | |
99 | #define SCM_PROC1(RANAME, STR, TYPE, CFN) \ | |
100 | %%% scm_make_subr(RANAME, TYPE, CFN) | |
101 | #endif | |
102 | ||
103 | #ifndef SCM_MAGIC_SNARFER | |
104 | #define SCM_SYMBOL(c_name, scheme_name) \ | |
105 | static SCM c_name = SCM_BOOL_F | |
106 | #else | |
107 | #define SCM_SYMBOL(C_NAME, SCHEME_NAME) \ | |
108 | %%% C_NAME = scm_permanent_object (SCM_CAR (scm_intern0 (SCHEME_NAME))) | |
109 | #endif | |
110 | ||
111 | ||
112 | #ifndef SCM_MAGIC_SNARFER | |
113 | #define SCM_GLOBAL(c_name, scheme_name) \ | |
114 | static SCM c_name = SCM_BOOL_F | |
115 | #else | |
116 | #define SCM_GLOBAL(C_NAME, SCHEME_NAME) \ | |
117 | %%% C_NAME = scm_permanent_object (scm_intern0 (SCHEME_NAME)); SCM_SETCDR (C_NAME, SCM_BOOL_F) | |
118 | #endif | |
119 | ||
120 | ||
121 | #ifndef SCM_MAGIC_SNARFER | |
122 | #define SCM_CONST_LONG(C_NAME, SCHEME_NAME,VALUE) \ | |
123 | static SCM C_NAME = SCM_BOOL_F | |
124 | #else | |
125 | #define SCM_CONST_LONG(C_NAME, SCHEME_NAME,VALUE) \ | |
126 | %%% C_NAME = scm_permanent_object (scm_intern0 (SCHEME_NAME)); SCM_SETCDR (C_NAME, scm_long2num (VALUE)) | |
127 | #endif | |
128 | ||
129 | #endif /* _SCMH */ | |
130 |