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[perl5.git] / unixish.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(),
 *	getgrgid(), and getgrent() routines are available to 
 *	get group entries.
 */
#define HAS_GROUP		/ **/

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

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

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

/* 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		/ **/

/* VMS:
 *	This symbol, if defined, indicates that the program is running under
 *	VMS.  It is currently automatically set by cpps running under VMS,
 *	and is included here for completeness only.
 */
/* #define VMS		/ **/

/* 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 "#!" / **/

#if !defined(NSIG) || defined(M_UNIX) || defined(M_XENIX)
# include <signal.h>
#endif

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

#define BIT_BUCKET "/dev/null"
#define PERL_SYS_INIT(c,v)
#define PERL_SYS_TERM()
#define dXSUB_SYS int dummy

/*
 * 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 my_getenv(var) getenv(var)