perl/dosish.h
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   1/*    dosish.h
   2 *
   3 *    Copyright (C) 1993, 1994, 1996, 1997, 1998, 1999,
   4 *    2000, 2001, 2002, 2007, by Larry Wall and others
   5 *
   6 *    You may distribute under the terms of either the GNU General Public
   7 *    License or the Artistic License, as specified in the README file.
   8 *
   9 */
  10#define ABORT() abort();
  11
  12#ifndef SH_PATH
  13#define SH_PATH "/bin/sh"
  14#endif
  15
  16#ifdef DJGPP
  17#  define BIT_BUCKET "nul"
  18#  define OP_BINARY O_BINARY
  19#  define PERL_SYS_INIT_BODY(c,v)                                       \
  20         MALLOC_CHECK_TAINT2(*c,*v) Perl_DJGPP_init(c,v); PERLIO_INIT
  21#  define init_os_extras Perl_init_os_extras
  22#  define HAS_UTIME
  23#  define HAS_KILL
  24   char *djgpp_pathexp (const char*);
  25   void Perl_DJGPP_init (int *argcp,char ***argvp);
  26#  if (DJGPP==2 && DJGPP_MINOR < 2)
  27#    define NO_LOCALECONV_MON_THOUSANDS_SEP
  28#  endif
  29#  ifndef PERL_CORE
  30#    define PERL_FS_VER_FMT     "%d_%d_%d"
  31#  endif
  32#  define PERL_FS_VERSION       STRINGIFY(PERL_REVISION) "_" \
  33                                STRINGIFY(PERL_VERSION) "_" \
  34                                STRINGIFY(PERL_SUBVERSION)
  35#else   /* DJGPP */
  36#  ifdef WIN32
  37#    define PERL_SYS_INIT_BODY(c,v)                                     \
  38        MALLOC_CHECK_TAINT2(*c,*v) Perl_win32_init(c,v); PERLIO_INIT
  39#    define PERL_SYS_TERM_BODY()   Perl_win32_term()
  40#    define BIT_BUCKET "nul"
  41#  else
  42#        ifdef NETWARE
  43#      define PERL_SYS_INIT_BODY(c,v)                                   \
  44        MALLOC_CHECK_TAINT2(*c,*v) Perl_nw5_init(c,v); PERLIO_INIT
  45#      define BIT_BUCKET "nwnul"
  46#    else
  47#      define PERL_SYS_INIT_BODY(c,v)           \
  48        MALLOC_CHECK_TAINT2(*c,*v); PERLIO_INIT
  49#      define BIT_BUCKET "\\dev\\nul" /* "wanna be like, umm, Newlined, or somethin?" */
  50#    endif /* NETWARE */
  51#  endif
  52#endif  /* DJGPP */
  53
  54#ifndef PERL_SYS_TERM_BODY
  55#  define PERL_SYS_TERM_BODY() HINTS_REFCNT_TERM; OP_REFCNT_TERM; PERLIO_TERM; MALLOC_TERM
  56#endif
  57#define dXSUB_SYS
  58
  59/*
  60 * 5.003_07 and earlier keyed on #ifdef MSDOS for determining if we were 
  61 * running on DOS, *and* if we had to cope with 16 bit memory addressing 
  62 * constraints, *and* we need to have memory allocated as unsigned long.
  63 *
  64 * with the advent of *real* compilers for DOS, they are not locked together.
  65 * MSDOS means "I am running on MSDOS". HAS_64K_LIMIT means "I have 
  66 * 16 bit memory addressing constraints".
  67 *
  68 * if you need the last, try #DEFINE MEM_SIZE unsigned long.
  69 */
  70#ifdef MSDOS
  71#  ifndef DJGPP
  72#    define HAS_64K_LIMIT
  73#  endif
  74#endif
  75
  76/* USEMYBINMODE
  77 *      This symbol, if defined, indicates that the program should
  78 *      use the routine my_binmode(FILE *fp, char iotype, int mode) to insure
  79 *      that a file is in "binary" mode -- that is, that no translation
  80 *      of bytes occurs on read or write operations.
  81 */
  82#undef USEMYBINMODE
  83
  84/* Stat_t:
  85 *      This symbol holds the type used to declare buffers for information
  86 *      returned by stat().  It's usually just struct stat.  It may be necessary
  87 *      to include <sys/stat.h> and <sys/types.h> to get any typedef'ed
  88 *      information.
  89 */
  90#if defined(WIN64) || defined(USE_LARGE_FILES)
  91# if defined(__BORLANDC__) /* buk */
  92#  include <sys\stat.h>
  93#  define Stat_t struct stati64
  94# else
  95#define Stat_t struct _stati64
  96# endif
  97#else
  98#if defined(UNDER_CE)
  99#define Stat_t struct xcestat
 100#else
 101#define Stat_t struct stat
 102#endif
 103#endif
 104
 105/* USE_STAT_RDEV:
 106 *      This symbol is defined if this system has a stat structure declaring
 107 *      st_rdev
 108 */
 109#define USE_STAT_RDEV   /**/
 110
 111/* ACME_MESS:
 112 *      This symbol, if defined, indicates that error messages should be 
 113 *      should be generated in a format that allows the use of the Acme
 114 *      GUI/editor's autofind feature.
 115 */
 116#undef ACME_MESS        /**/
 117
 118/* ALTERNATE_SHEBANG:
 119 *      This symbol, if defined, contains a "magic" string which may be used
 120 *      as the first line of a Perl program designed to be executed directly
 121 *      by name, instead of the standard Unix #!.  If ALTERNATE_SHEBANG
 122 *      begins with a character other then #, then Perl will only treat
 123 *      it as a command line if it finds the string "perl" in the first
 124 *      word; otherwise it's treated as the first line of code in the script.
 125 *      (IOW, Perl won't hand off to another interpreter via an alternate
 126 *      shebang sequence that might be legal Perl code.)
 127 */
 128/* #define ALTERNATE_SHEBANG "#!" / **/
 129
 130#include <signal.h>
 131
 132/*
 133 * fwrite1() should be a routine with the same calling sequence as fwrite(),
 134 * but which outputs all of the bytes requested as a single stream (unlike
 135 * fwrite() itself, which on some systems outputs several distinct records
 136 * if the number_of_items parameter is >1).
 137 */
 138#define fwrite1 fwrite
 139
 140#define Fstat(fd,bufptr)   fstat((fd),(bufptr))
 141#ifdef DJGPP
 142#   define Fflush(fp)      djgpp_fflush(fp)
 143#else
 144#   define Fflush(fp)      fflush(fp)
 145#endif
 146#define Mkdir(path,mode)   mkdir((path),(mode))
 147
 148#ifndef WIN32
 149#  define Stat(fname,bufptr) stat((fname),(bufptr))
 150#else
 151#  define HAS_IOCTL
 152#  define HAS_UTIME
 153#  define HAS_KILL
 154#  define HAS_WAIT
 155#  define HAS_CHOWN
 156#endif  /* WIN32 */
 157
 158/*
 159 * <rich@phekda.freeserve.co.uk>: The DJGPP port has code that converts
 160 * the return code of system() into the form that Unixy wait usually
 161 * returns:
 162 *
 163 * - signal number in bits 0-6;
 164 * - core dump flag in bit 7;
 165 * - exit code in bits 8-15.
 166 *
 167 * Bits 0-7 are always zero for DJGPP, because it uses system().
 168 * See djgpp.c.
 169 *
 170 * POSIX::W* use the W* macros from <sys/wait.h> to decode
 171 * the return code. Unfortunately the W* macros for DJGPP use
 172 * a different format than Unixy wait does. So there's a mismatch
 173 * and, say, WEXITSTATUS($?) will return bogus values.
 174 *
 175 * So here we add hack to redefine the W* macros from DJGPP's <sys/wait.h>
 176 * to work with our return-code conversion.
 177 */
 178
 179#ifdef DJGPP
 180
 181#include <sys/wait.h>
 182
 183#undef WEXITSTATUS
 184#undef WIFEXITED
 185#undef WIFSIGNALED
 186#undef WIFSTOPPED
 187#undef WNOHANG
 188#undef WSTOPSIG
 189#undef WTERMSIG
 190#undef WUNTRACED
 191
 192#define WEXITSTATUS(stat_val) ((stat_val) >> 8)
 193#define WIFEXITED(stat_val)   0
 194#define WIFSIGNALED(stat_val) 0
 195#define WIFSTOPPED(stat_val)  0
 196#define WNOHANG               0
 197#define WSTOPSIG(stat_val)    0
 198#define WTERMSIG(stat_val)    0
 199#define WUNTRACED             0
 200
 201#endif
 202
 203/* Don't go reading from /dev/urandom */
 204#define PERL_NO_DEV_RANDOM
 205
 206/*
 207 * Local variables:
 208 * c-indentation-style: bsd
 209 * c-basic-offset: 4
 210 * indent-tabs-mode: t
 211 * End:
 212 *
 213 * ex: set ts=8 sts=4 sw=4 noet:
 214 */
 215
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