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[perl5.git] / plan9 / plan9ish.h

#ifndef __PLAN9ISH_H__
#define __PLAN9ISH_H__

/*
 * The following symbols are defined if your operating system supports
 * functions by that name.  All Unixes I know of support them, thus they
 * are not checked by the configuration script, but are directly defined
 * here.
 */

/* HAS_IOCTL:
 *	This symbol, if defined, indicates that the ioctl() routine is
 *	available to set I/O characteristics
 */
#define	HAS_IOCTL		/**/
 
/* HAS_UTIME:
 *	This symbol, if defined, indicates that the routine utime() is
 *	available to update the access and modification times of files.
 */
#define HAS_UTIME		/**/

/* HAS_GROUP
 *	This symbol, if defined, indicates that the getgrnam() and
 *	getgrgid() routines are available to get group entries.
 *	The getgrent() has a separate definition, HAS_GETGRENT.
 */
/*#define HAS_GROUP		/**/

/* HAS_PASSWD
 *	This symbol, if defined, indicates that the getpwnam() and
 *	getpwuid() routines are available to get password entries.
 *	The getpwent() has a separate definition, HAS_GETPWENT.
 */
/*#define HAS_PASSWD		/**/

#define HAS_KILL
#define HAS_WAIT
  
/* UNLINK_ALL_VERSIONS:
 *	This symbol, if defined, indicates that the program should arrange
 *	to remove all versions of a file if unlink() is called.  This is
 *	probably only relevant for VMS.
 */
/* #define UNLINK_ALL_VERSIONS		/**/

/* PLAN9:
 *	This symbol, if defined, indicates that the program is running under
 *	Plan 9.  
 */
#ifndef PLAN9
#define PLAN9		/**/
#endif

/* USEMYBINMODE
 *	This symbol, if defined, indicates that the program should
 *	use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
 *	that a file is in "binary" mode -- that is, that no translation
 *	of bytes occurs on read or write operations.
 */
#undef USEMYBINMODE

/* Stat_t:
 *	This symbol holds the type used to declare buffers for information
 *	returned by stat().  It's usually just struct stat.  It may be necessary
 *	to include <sys/stat.h> and <sys/types.h> to get any typedef'ed
 *	information.
 */
#define Stat_t struct stat

/* USE_STAT_RDEV:
*	This symbol is defined if this system has a stat structure declaring
*	st_rdev
*/
#undef USE_STAT_RDEV		/**/

/* ACME_MESS:
 *	This symbol, if defined, indicates that error messages should be 
 *	should be generated in a format that allows the use of the Acme
 *	GUI/editor's autofind feature.
 */
#define ACME_MESS	/**/

/* ALTERNATE_SHEBANG:
 *	This symbol, if defined, contains a "magic" string which may be used
 *	as the first line of a Perl program designed to be executed directly
 *	by name, instead of the standard Unix #!.  If ALTERNATE_SHEBANG
 *	begins with a character other then #, then Perl will only treat
 *	it as a command line if if finds the string "perl" in the first
 *	word; otherwise it's treated as the first line of code in the script.
 *	(IOW, Perl won't hand off to another interpreter via an alternate
 *	shebang sequence that might be legal Perl code.)
 */
/* #define ALTERNATE_SHEBANG "#!" / **/

#include <signal.h>

#ifndef SIGABRT
#    define SIGABRT SIGILL
#endif
#ifndef SIGILL
#    define SIGILL 6         /* blech */
#endif
#define ABORT() kill(PerlProc_getpid(),SIGABRT);

#define BIT_BUCKET "/dev/null"
#define PERL_SYS_INIT_BODY(c,v)				    \
	MALLOC_CHECK_TAINT2(*c,*v) PERLIO_INIT; MALLOC_INIT
#define dXSUB_SYS
#define PERL_SYS_TERM_BODY()	PERLIO_TERM; MALLOC_TERM

/*
 * fwrite1() should be a routine with the same calling sequence as fwrite(),
 * but which outputs all of the bytes requested as a single stream (unlike
 * fwrite() itself, which on some systems outputs several distinct records
 * if the number_of_items parameter is >1).
 */
#define fwrite1 fwrite

#define Stat(fname,bufptr) stat((fname),(bufptr))
#define Fstat(fd,bufptr)   fstat((fd),(bufptr))
#define Fflush(fp)         fflush(fp)
#define Mkdir(path,mode)   mkdir((path),(mode))

/* getenv related stuff */
#define my_getenv(var) getenv(var)
/* Plan 9 prefers getenv("home") to getenv("HOME")
#define HOME home

/* For use by POSIX.xs */
extern int tcsendbreak(int, int);

#define CONDOP_SIZE 4 /* The Plan 9 compiler cannot return quads from ?: */

#undef HAS_SYMLINK	/* Plan 9 doesn't really have these. */
#undef HAS_LSTAT
#undef HAS_READLINK

#endif /* __PLAN9ISH_H__ */