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0f2d19dd JB |
1 | /* classes: h_files */ |
2 | ||
3 | #ifndef _SCMH | |
4 | #define _SCMH | |
176067df | 5 | /* Copyright (C) 1995,1996, 2000 Free Software Foundation, Inc. |
0f2d19dd JB |
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 | |
82892bed JB |
19 | * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
20 | * Boston, MA 02111-1307 USA | |
0f2d19dd JB |
21 | * |
22 | * As a special exception, the Free Software Foundation gives permission | |
23 | * for additional uses of the text contained in its release of GUILE. | |
24 | * | |
25 | * The exception is that, if you link the GUILE library with other files | |
26 | * to produce an executable, this does not by itself cause the | |
27 | * resulting executable to be covered by the GNU General Public License. | |
28 | * Your use of that executable is in no way restricted on account of | |
29 | * linking the GUILE library code into it. | |
30 | * | |
31 | * This exception does not however invalidate any other reasons why | |
32 | * the executable file might be covered by the GNU General Public License. | |
33 | * | |
34 | * This exception applies only to the code released by the | |
35 | * Free Software Foundation under the name GUILE. If you copy | |
36 | * code from other Free Software Foundation releases into a copy of | |
37 | * GUILE, as the General Public License permits, the exception does | |
38 | * not apply to the code that you add in this way. To avoid misleading | |
39 | * anyone as to the status of such modified files, you must delete | |
40 | * this exception notice from them. | |
41 | * | |
42 | * If you write modifications of your own for GUILE, it is your choice | |
43 | * whether to permit this exception to apply to your modifications. | |
82892bed | 44 | * If you do not wish that, delete this exception notice. */ |
0f2d19dd JB |
45 | \f |
46 | ||
a0599745 | 47 | #include "libguile/__scm.h" |
20e6290e | 48 | |
176067df JB |
49 | /* "What's the difference between _scm.h and __scm.h?" |
50 | ||
51 | _scm.h is not installed; it's only visible to the libguile sources | |
52 | themselves. | |
53 | ||
54 | __scm.h is installed, and is #included by <libguile.h>. If both | |
55 | the client and libguile need some piece of information, and it | |
56 | doesn't fit well into the header file for any particular module, it | |
57 | should go in __scm.h. */ | |
58 | ||
59 | ||
462a6f1f | 60 | |
20e6290e JB |
61 | /* Include headers for those files central to the implementation. The |
62 | rest should be explicitly #included in the C files themselves. */ | |
a0599745 MD |
63 | #include "libguile/error.h" /* Everyone signals errors. */ |
64 | #include "libguile/print.h" /* Everyone needs to print. */ | |
65 | #include "libguile/pairs.h" /* Everyone conses. */ | |
66 | #include "libguile/list.h" /* Everyone makes lists. */ | |
67 | #include "libguile/gc.h" /* Everyone allocates. */ | |
68 | #include "libguile/gsubr.h" /* Everyone defines global functions. */ | |
69 | #include "libguile/procs.h" /* Same. */ | |
70 | #include "libguile/numbers.h" /* Everyone deals with fixnums. */ | |
71 | #include "libguile/symbols.h" /* For length, chars, values, miscellany. */ | |
72 | #include "libguile/boolean.h" /* Everyone wonders about the truth. */ | |
73 | #ifdef USE_THREADS | |
74 | #include "libguile/threads.h" /* The cooperative thread package does | |
7bfd3b9e | 75 | switching at async ticks. */ |
1764973d | 76 | #endif |
a0599745 | 77 | #include "libguile/snarf.h" /* Everyone snarfs. */ |
0f2d19dd JB |
78 | |
79 | /* On VMS, GNU C's errno.h contains a special hack to get link attributes | |
80 | * for errno correct for linking to the C RTL. | |
81 | */ | |
82 | #include <errno.h> | |
83 | ||
e1a191a8 GH |
84 | /* SCM_SYSCALL retries system calls that have been interrupted (EINTR). |
85 | However this can be avoided if the operating system can restart | |
86 | system calls automatically. We assume this is the case if | |
87 | sigaction is available and SA_RESTART is defined; they will be used | |
88 | when installing signal handlers. | |
89 | */ | |
90 | ||
08b8c694 | 91 | #ifdef HAVE_RESTARTABLE_SYSCALLS |
e1a191a8 GH |
92 | #define SCM_SYSCALL(line) line |
93 | #endif | |
94 | ||
95 | #ifndef SCM_SYSCALL | |
0f2d19dd JB |
96 | #ifdef vms |
97 | # ifndef __GNUC__ | |
98 | # include <ssdef.h> | |
99 | # define SCM_SYSCALL(line) do{errno = 0;line;} \ | |
100 | while(EVMSERR==errno && (vaxc$errno>>3)==(SS$_CONTROLC>>3)) | |
101 | # endif /* ndef __GNUC__ */ | |
102 | #endif /* def vms */ | |
e1a191a8 | 103 | #endif /* ndef SCM_SYSCALL */ |
0f2d19dd JB |
104 | |
105 | #ifndef SCM_SYSCALL | |
106 | # ifdef EINTR | |
107 | # if (EINTR > 0) | |
108 | # define SCM_SYSCALL(line) do{errno = 0;line;}while(EINTR==errno) | |
109 | # endif /* (EINTR > 0) */ | |
110 | # endif /* def EINTR */ | |
111 | #endif /* ndef SCM_SYSCALL */ | |
112 | ||
113 | #ifndef SCM_SYSCALL | |
e1a191a8 | 114 | # define SCM_SYSCALL(line) line; |
0f2d19dd JB |
115 | #endif /* ndef SCM_SYSCALL */ |
116 | ||
117 | #ifndef MSDOS | |
118 | # ifdef ARM_ULIB | |
119 | extern volatile int errno; | |
120 | # else | |
121 | extern int errno; | |
122 | # endif /* def ARM_ULIB */ | |
123 | #endif /* ndef MSDOS */ | |
124 | #ifdef __TURBOC__ | |
125 | # if (__TURBOC__==1) | |
126 | /* Needed for TURBOC V1.0 */ | |
127 | extern int errno; | |
128 | # endif /* (__TURBOC__==1) */ | |
129 | #endif /* def __TURBOC__ */ | |
130 | ||
131 | \f | |
132 | ||
e412e180 | 133 | #ifndef min |
462a6f1f | 134 | #define min(A,B) ((A) <= (B) ? (A) : (B)) |
e412e180 MD |
135 | #endif |
136 | #ifndef max | |
462a6f1f | 137 | #define max(A,B) ((A) >= (B) ? (A) : (B)) |
e412e180 | 138 | #endif |
462a6f1f | 139 | |
0f2d19dd JB |
140 | #endif /* _SCMH */ |
141 | ||
89e00824 ML |
142 | |
143 | /* | |
144 | Local Variables: | |
145 | c-file-style: "gnu" | |
146 | End: | |
147 | */ |