xref: /openbsd-src/gnu/usr.bin/perl/unixish.h (revision 79cd0b9ae197e67390710f96587afb9169e5346d)
1 /*    unixish.h
2  *
3  *    Copyright (c) 1997-2002, Larry Wall
4  *
5  *    You may distribute under the terms of either the GNU General Public
6  *    License or the Artistic License, as specified in the README file.
7  *
8  */
9 
10 /*
11  * The following symbols are defined if your operating system supports
12  * functions by that name.  All Unixes I know of support them, thus they
13  * are not checked by the configuration script, but are directly defined
14  * here.
15  */
16 
17 #ifndef PERL_MICRO
18 
19 /* HAS_IOCTL:
20  *	This symbol, if defined, indicates that the ioctl() routine is
21  *	available to set I/O characteristics
22  */
23 #define	HAS_IOCTL		/ **/
24 
25 /* HAS_UTIME:
26  *	This symbol, if defined, indicates that the routine utime() is
27  *	available to update the access and modification times of files.
28  */
29 #define HAS_UTIME		/ **/
30 
31 /* HAS_GROUP
32  *	This symbol, if defined, indicates that the getgrnam() and
33  *	getgrgid() routines are available to get group entries.
34  *	The getgrent() has a separate definition, HAS_GETGRENT.
35  */
36 #define HAS_GROUP		/ **/
37 
38 /* HAS_PASSWD
39  *	This symbol, if defined, indicates that the getpwnam() and
40  *	getpwuid() routines are available to get password entries.
41  *	The getpwent() has a separate definition, HAS_GETPWENT.
42  */
43 #define HAS_PASSWD		/ **/
44 
45 #define HAS_KILL
46 #define HAS_WAIT
47 
48 #endif /* !PERL_MICRO */
49 
50 /* USEMYBINMODE
51  *	This symbol, if defined, indicates that the program should
52  *	use the routine my_binmode(FILE *fp, char iotype) to insure
53  *	that a file is in "binary" mode -- that is, that no translation
54  *	of bytes occurs on read or write operations.
55  */
56 #undef USEMYBINMODE
57 
58 /* Stat_t:
59  *	This symbol holds the type used to declare buffers for information
60  *	returned by stat().  It's usually just struct stat.  It may be necessary
61  *	to include <sys/stat.h> and <sys/types.h> to get any typedef'ed
62  *	information.
63  */
64 #define Stat_t struct stat
65 
66 /* USE_STAT_RDEV:
67  *	This symbol is defined if this system has a stat structure declaring
68  *	st_rdev
69  */
70 #define USE_STAT_RDEV 	/ **/
71 
72 /* ACME_MESS:
73  *	This symbol, if defined, indicates that error messages should be
74  *	should be generated in a format that allows the use of the Acme
75  *	GUI/editor's autofind feature.
76  */
77 #undef ACME_MESS	/**/
78 
79 /* UNLINK_ALL_VERSIONS:
80  *	This symbol, if defined, indicates that the program should arrange
81  *	to remove all versions of a file if unlink() is called.  This is
82  *	probably only relevant for VMS.
83  */
84 /* #define UNLINK_ALL_VERSIONS		/ **/
85 
86 /* VMS:
87  *	This symbol, if defined, indicates that the program is running under
88  *	VMS.  It is currently automatically set by cpps running under VMS,
89  *	and is included here for completeness only.
90  */
91 /* #define VMS		/ **/
92 
93 /* ALTERNATE_SHEBANG:
94  *	This symbol, if defined, contains a "magic" string which may be used
95  *	as the first line of a Perl program designed to be executed directly
96  *	by name, instead of the standard Unix #!.  If ALTERNATE_SHEBANG
97  *	begins with a character other then #, then Perl will only treat
98  *	it as a command line if it finds the string "perl" in the first
99  *	word; otherwise it's treated as the first line of code in the script.
100  *	(IOW, Perl won't hand off to another interpreter via an alternate
101  *	shebang sequence that might be legal Perl code.)
102  */
103 /* #define ALTERNATE_SHEBANG "#!" / **/
104 
105 #if !defined(NSIG) || defined(M_UNIX) || defined(M_XENIX) || defined(__NetBSD__) || defined(__FreeBSD__) || defined(__OpenBSD__)
106 # include <signal.h>
107 #endif
108 
109 #ifndef SIGABRT
110 #    define SIGABRT SIGILL
111 #endif
112 #ifndef SIGILL
113 #    define SIGILL 6         /* blech */
114 #endif
115 #define ABORT() kill(PerlProc_getpid(),SIGABRT);
116 
117 /*
118  * fwrite1() should be a routine with the same calling sequence as fwrite(),
119  * but which outputs all of the bytes requested as a single stream (unlike
120  * fwrite() itself, which on some systems outputs several distinct records
121  * if the number_of_items parameter is >1).
122  */
123 #define fwrite1 fwrite
124 
125 #define Stat(fname,bufptr) stat((fname),(bufptr))
126 #define Fstat(fd,bufptr)   fstat((fd),(bufptr))
127 #define Fflush(fp)         fflush(fp)
128 #define Mkdir(path,mode)   mkdir((path),(mode))
129 
130 #ifndef PERL_SYS_INIT
131 #  define PERL_SYS_INIT(c,v) PERL_FPU_INIT MALLOC_INIT
132 #endif
133 
134 #ifndef PERL_SYS_TERM
135 #define PERL_SYS_TERM()		OP_REFCNT_TERM; MALLOC_TERM
136 #endif
137 
138 #define BIT_BUCKET "/dev/null"
139 
140 #define dXSUB_SYS
141 
142 #define USE_ENVIRON_ARRAY
143 
144