xref: /openbsd/gnu/usr.bin/perl/plan9/plan9ish.h (revision 76d0caae)
1 #ifndef __PLAN9ISH_H__
2 #define __PLAN9ISH_H__
3 
4 /*
5  * The following symbols are defined if your operating system supports
6  * functions by that name.  All Unixes I know of support them, thus they
7  * are not checked by the configuration script, but are directly defined
8  * here.
9  */
10 
11 /* HAS_IOCTL:
12  *	This symbol, if defined, indicates that the ioctl() routine is
13  *	available to set I/O characteristics
14  */
15 #define	HAS_IOCTL		/**/
16 
17 /* HAS_UTIME:
18  *	This symbol, if defined, indicates that the routine utime() is
19  *	available to update the access and modification times of files.
20  */
21 #define HAS_UTIME		/**/
22 
23 /* HAS_GROUP
24  *	This symbol, if defined, indicates that the getgrnam() and
25  *	getgrgid() routines are available to get group entries.
26  *	The getgrent() has a separate definition, HAS_GETGRENT.
27  */
28 /*#define HAS_GROUP		/ **/
29 
30 /* HAS_PASSWD
31  *	This symbol, if defined, indicates that the getpwnam() and
32  *	getpwuid() routines are available to get password entries.
33  *	The getpwent() has a separate definition, HAS_GETPWENT.
34  */
35 /*#define HAS_PASSWD		/ **/
36 
37 #define HAS_KILL
38 #define HAS_WAIT
39 
40 /* UNLINK_ALL_VERSIONS:
41  *	This symbol, if defined, indicates that the program should arrange
42  *	to remove all versions of a file if unlink() is called.  This is
43  *	probably only relevant for VMS.
44  */
45 /* #define UNLINK_ALL_VERSIONS		/ **/
46 
47 /* PLAN9:
48  *	This symbol, if defined, indicates that the program is running under
49  *	Plan 9.
50  */
51 #ifndef PLAN9
52 #define PLAN9		/**/
53 #endif
54 
55 /* USEMYBINMODE
56  *	This symbol, if defined, indicates that the program should
57  *	use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
58  *	that a file is in "binary" mode -- that is, that no translation
59  *	of bytes occurs on read or write operations.
60  */
61 #undef USEMYBINMODE
62 
63 /* Stat_t:
64  *	This symbol holds the type used to declare buffers for information
65  *	returned by stat().  It's usually just struct stat.  It may be necessary
66  *	to include <sys/stat.h> and <sys/types.h> to get any typedef'ed
67  *	information.
68  */
69 #define Stat_t struct stat
70 
71 /* USE_STAT_RDEV:
72 *	This symbol is defined if this system has a stat structure declaring
73 *	st_rdev
74 */
75 #undef USE_STAT_RDEV		/**/
76 
77 /* ACME_MESS:
78  *	This symbol, if defined, indicates that error messages should be
79  *	should be generated in a format that allows the use of the Acme
80  *	GUI/editor's autofind feature.
81  */
82 #define ACME_MESS	/**/
83 
84 /* ALTERNATE_SHEBANG:
85  *	This symbol, if defined, contains a "magic" string which may be used
86  *	as the first line of a Perl program designed to be executed directly
87  *	by name, instead of the standard Unix #!.  If ALTERNATE_SHEBANG
88  *	begins with a character other then #, then Perl will only treat
89  *	it as a command line if it finds the string "perl" in the first
90  *	word; otherwise it's treated as the first line of code in the script.
91  *	(IOW, Perl won't hand off to another interpreter via an alternate
92  *	shebang sequence that might be legal Perl code.)
93  */
94 /* #define ALTERNATE_SHEBANG "#!" / **/
95 
96 #include <signal.h>
97 
98 #ifndef SIGABRT
99 #    define SIGABRT SIGILL
100 #endif
101 #ifndef SIGILL
102 #    define SIGILL 6         /* blech */
103 #endif
104 #define ABORT() kill(PerlProc_getpid(),SIGABRT);
105 
106 #define BIT_BUCKET "/dev/null"
107 #define PERL_SYS_INIT_BODY(c,v)				    \
108 	MALLOC_CHECK_TAINT2(*c,*v) PERLIO_INIT; MALLOC_INIT
109 #define dXSUB_SYS dNOOP
110 #define PERL_SYS_TERM_BODY()	PERLIO_TERM; MALLOC_TERM
111 
112 /*
113  * fwrite1() should be a routine with the same calling sequence as fwrite(),
114  * but which outputs all of the bytes requested as a single stream (unlike
115  * fwrite() itself, which on some systems outputs several distinct records
116  * if the number_of_items parameter is >1).
117  */
118 #define fwrite1 fwrite
119 
120 #define Stat(fname,bufptr) stat((fname),(bufptr))
121 #define Fstat(fd,bufptr)   fstat((fd),(bufptr))
122 #define Fflush(fp)         fflush(fp)
123 #define Mkdir(path,mode)   mkdir((path),(mode))
124 
125 /* getenv related stuff */
126 #define my_getenv(var) getenv(var)
127 /* Plan 9 prefers getenv("home") to getenv("HOME")
128 #define HOME home
129 
130 /* For use by POSIX.xs */
131 extern int tcsendbreak(int, int);
132 
133 #define CONDOP_SIZE 4 /* The Plan 9 compiler cannot return quads from ?: */
134 
135 #undef HAS_SYMLINK	/* Plan 9 doesn't really have these. */
136 #undef HAS_LSTAT
137 #undef HAS_READLINK
138 
139 #endif /* __PLAN9ISH_H__ */
140