lib/perl5/5.6.1/msys/CORE/intrpvar.h

   1 /***********************************************/
   2 /* Global only to current interpreter instance */
   3 /***********************************************/
   4
   5 /* Don't forget to re-run embed.pl to propagate changes! */
   6
   7 /* The 'I' prefix is only needed for vars that need appropriate #defines
   8  * generated when built with or without MULTIPLICITY.  It is also used
   9  * to generate the appropriate export list for win32.
  10  *
  11  * When building without MULTIPLICITY, these variables will be truly global. */
  12
  13 /* pseudo environmental stuff */
  14 PERLVAR(Iorigargc,      int)
  15 PERLVAR(Iorigargv,      char **)
  16 PERLVAR(Ienvgv,         GV *)
  17 PERLVAR(Iincgv,         GV *)
  18 PERLVAR(Ihintgv,        GV *)
  19 PERLVAR(Iorigfilename,  char *)
  20 PERLVAR(Idiehook,       SV *)
  21 PERLVAR(Iwarnhook,      SV *)
  22
  23 /* switches */
  24 PERLVAR(Iminus_c,       bool)
  25 PERLVAR(Ipatchlevel,    SV *)
  26 PERLVAR(Ilocalpatches,  char **)
  27 PERLVARI(Isplitstr,     char *, " ")
  28 PERLVAR(Ipreprocess,    bool)
  29 PERLVAR(Iminus_n,       bool)
  30 PERLVAR(Iminus_p,       bool)
  31 PERLVAR(Iminus_l,       bool)
  32 PERLVAR(Iminus_a,       bool)
  33 PERLVAR(Iminus_F,       bool)
  34 PERLVAR(Idoswitches,    bool)
  35
  36 /*
  37 =for apidoc mn|bool|PL_dowarn
  38
  39 The C variable which corresponds to Perl's $^W warning variable.
  40
  41 =cut
  42 */
  43
  44 PERLVAR(Idowarn,        U8)
  45 PERLVAR(Iwidesyscalls,  bool)           /* wide system calls */
  46 PERLVAR(Idoextract,     bool)
  47 PERLVAR(Isawampersand,  bool)           /* must save all match strings */
  48 PERLVAR(Iunsafe,        bool)
  49 PERLVAR(Iinplace,       char *)
  50 PERLVAR(Ie_script,      SV *)
  51 PERLVAR(Iperldb,        U32)
  52
  53 /* This value may be set when embedding for full cleanup  */
  54 /* 0=none, 1=full, 2=full with checks */
  55 PERLVARI(Iperl_destruct_level,  int,    0)
  56
  57 /* magical thingies */
  58 PERLVAR(Ibasetime,      Time_t)         /* $^T */
  59 PERLVAR(Iformfeed,      SV *)           /* $^L */
  60
  61
  62 PERLVARI(Imaxsysfd,     I32,    MAXSYSFD)
  63                                         /* top fd to pass to subprocesses */
  64 PERLVAR(Imultiline,     int)            /* $*--do strings hold >1 line? */
  65 PERLVAR(Istatusvalue,   I32)            /* $? */
  66 PERLVAR(Iexit_flags,    U8)             /* was exit() unexpected, etc. */
  67 #ifdef VMS
  68 PERLVAR(Istatusvalue_vms,U32)
  69 #endif
  70
  71 /* shortcuts to various I/O objects */
  72 PERLVAR(Istdingv,       GV *)
  73 PERLVAR(Istderrgv,      GV *)
  74 PERLVAR(Idefgv,         GV *)
  75 PERLVAR(Iargvgv,        GV *)
  76 PERLVAR(Iargvoutgv,     GV *)
  77 PERLVAR(Iargvout_stack, AV *)
  78
  79 /* shortcuts to regexp stuff */
  80 /* this one needs to be moved to thrdvar.h and accessed via
  81  * find_threadsv() when USE_THREADS */
  82 PERLVAR(Ireplgv,        GV *)
  83
  84 /* shortcuts to misc objects */
  85 PERLVAR(Ierrgv,         GV *)
  86
  87 /* shortcuts to debugging objects */
  88 PERLVAR(IDBgv,          GV *)
  89 PERLVAR(IDBline,        GV *)
  90
  91 /*
  92 =for apidoc mn|GV *|PL_DBsub
  93 When Perl is run in debugging mode, with the B<-d> switch, this GV contains
  94 the SV which holds the name of the sub being debugged.  This is the C
  95 variable which corresponds to Perl's $DB::sub variable.  See
  96 C<PL_DBsingle>.
  97
  98 =for apidoc mn|SV *|PL_DBsingle
  99 When Perl is run in debugging mode, with the B<-d> switch, this SV is a
 100 boolean which indicates whether subs are being single-stepped.
 101 Single-stepping is automatically turned on after every step.  This is the C
 102 variable which corresponds to Perl's $DB::single variable.  See
 103 C<PL_DBsub>.
 104
 105 =for apidoc mn|SV *|PL_DBtrace
 106 Trace variable used when Perl is run in debugging mode, with the B<-d>
 107 switch.  This is the C variable which corresponds to Perl's $DB::trace
 108 variable.  See C<PL_DBsingle>.
 109
 110 =cut
 111 */
 112
 113 PERLVAR(IDBsub,         GV *)
 114 PERLVAR(IDBsingle,      SV *)
 115 PERLVAR(IDBtrace,       SV *)
 116 PERLVAR(IDBsignal,      SV *)
 117 PERLVAR(Ilineary,       AV *)           /* lines of script for debugger */
 118 PERLVAR(Idbargs,        AV *)           /* args to call listed by caller function */
 119
 120 /* symbol tables */
 121 PERLVAR(Idebstash,      HV *)           /* symbol table for perldb package */
 122 PERLVAR(Iglobalstash,   HV *)           /* global keyword overrides imported here */
 123 PERLVAR(Icurstname,     SV *)           /* name of current package */
 124 PERLVAR(Ibeginav,       AV *)           /* names of BEGIN subroutines */
 125 PERLVAR(Iendav,         AV *)           /* names of END subroutines */
 126 PERLVAR(Icheckav,       AV *)           /* names of CHECK subroutines */
 127 PERLVAR(Iinitav,        AV *)           /* names of INIT subroutines */
 128 PERLVAR(Istrtab,        HV *)           /* shared string table */
 129 PERLVARI(Isub_generation,U32,1)         /* incr to invalidate method cache */
 130
 131 /* memory management */
 132 PERLVAR(Isv_count,      I32)            /* how many SV* are currently allocated */
 133 PERLVAR(Isv_objcount,   I32)            /* how many objects are currently allocated */
 134 PERLVAR(Isv_root,       SV*)            /* storage for SVs belonging to interp */
 135 PERLVAR(Isv_arenaroot,  SV*)            /* list of areas for garbage collection */
 136
 137 /* funky return mechanisms */
 138 PERLVAR(Iforkprocess,   int)            /* so do_open |- can return proc# */
 139
 140 /* subprocess state */
 141 PERLVAR(Ifdpid,         AV *)           /* keep fd-to-pid mappings for my_popen */
 142
 143 /* internal state */
 144 PERLVAR(Itainting,      bool)           /* doing taint checks */
 145 PERLVARI(Iop_mask,      char *, NULL)   /* masked operations for safe evals */
 146
 147 /* current interpreter roots */
 148 PERLVAR(Imain_cv,       CV *)
 149 PERLVAR(Imain_root,     OP *)
 150 PERLVAR(Imain_start,    OP *)
 151 PERLVAR(Ieval_root,     OP *)
 152 PERLVAR(Ieval_start,    OP *)
 153
 154 /* runtime control stuff */
 155 PERLVARI(Icurcopdb,     COP *,  NULL)
 156 PERLVARI(Icopline,      line_t, NOLINE)
 157
 158 /* statics moved here for shared library purposes */
 159 PERLVAR(Ifilemode,      int)            /* so nextargv() can preserve mode */
 160 PERLVAR(Ilastfd,        int)            /* what to preserve mode on */
 161 PERLVAR(Ioldname,       char *)         /* what to preserve mode on */
 162 PERLVAR(IArgv,          char **)        /* stuff to free from do_aexec, vfork safe */
 163 PERLVAR(ICmd,           char *)         /* stuff to free from do_aexec, vfork safe */
 164 PERLVAR(Igensym,        I32)            /* next symbol for getsym() to define */
 165 PERLVAR(Ipreambled,     bool)
 166 PERLVAR(Ipreambleav,    AV *)
 167 PERLVARI(Ilaststatval,  int,    -1)
 168 PERLVARI(Ilaststype,    I32,    OP_STAT)
 169 PERLVAR(Imess_sv,       SV *)
 170
 171 /* XXX shouldn't these be per-thread? --GSAR */
 172 PERLVAR(Iors,           char *)         /* output record separator $\ */
 173 PERLVAR(Iorslen,        STRLEN)
 174 PERLVAR(Iofmt,          char *)         /* output format for numbers $# */
 175
 176 /* interpreter atexit processing */
 177 PERLVARI(Iexitlist,     PerlExitListEntry *, NULL)
 178                                         /* list of exit functions */
 179 PERLVARI(Iexitlistlen,  I32, 0)         /* length of same */
 180
 181 /*
 182 =for apidoc Amn|HV*|PL_modglobal
 183
 184 C<PL_modglobal> is a general purpose, interpreter global HV for use by
 185 extensions that need to keep information on a per-interpreter basis.
 186 In a pinch, it can also be used as a symbol table for extensions
 187 to share data among each other.  It is a good idea to use keys
 188 prefixed by the package name of the extension that owns the data.
 189
 190 =cut
 191 */
 192
 193 PERLVAR(Imodglobal,     HV *)           /* per-interp module data */
 194
 195 /* these used to be in global before 5.004_68 */
 196 PERLVARI(Iprofiledata,  U32 *,  NULL)   /* table of ops, counts */
 197 PERLVARI(Irsfp, PerlIO * VOL,   Nullfp) /* current source file pointer */
 198 PERLVARI(Irsfp_filters, AV *,   Nullav) /* keeps active source filters */
 199
 200 PERLVAR(Icompiling,     COP)            /* compiling/done executing marker */
 201
 202 PERLVAR(Icompcv,        CV *)           /* currently compiling subroutine */
 203 PERLVAR(Icomppad,       AV *)           /* storage for lexically scoped temporaries */
 204 PERLVAR(Icomppad_name,  AV *)           /* variable names for "my" variables */
 205 PERLVAR(Icomppad_name_fill,     I32)    /* last "introduced" variable offset */
 206 PERLVAR(Icomppad_name_floor,    I32)    /* start of vars in innermost block */
 207
 208 #ifdef HAVE_INTERP_INTERN
 209 PERLVAR(Isys_intern,    struct interp_intern)
 210                                         /* platform internals */
 211 #endif
 212
 213 /* more statics moved here */
 214 PERLVARI(Igeneration,   int,    100)    /* from op.c */
 215 PERLVAR(IDBcv,          CV *)           /* from perl.c */
 216
 217 PERLVARI(Iin_clean_objs,bool,    FALSE) /* from sv.c */
 218 PERLVARI(Iin_clean_all, bool,    FALSE) /* from sv.c */
 219
 220 PERLVAR(Ilinestart,     char *)         /* beg. of most recently read line */
 221 PERLVAR(Ipending_ident, char)           /* pending identifier lookup */
 222 PERLVAR(Isublex_info,   SUBLEXINFO)     /* from toke.c */
 223
 224 #ifdef USE_THREADS
 225 PERLVAR(Ithrsv,         SV *)           /* struct perl_thread for main thread */
 226 PERLVARI(Ithreadnum,    U32,    0)      /* incremented each thread creation */
 227 PERLVAR(Istrtab_mutex,  perl_mutex)     /* Mutex for string table access */
 228 #endif /* USE_THREADS */
 229
 230 PERLVAR(Iuid,           Uid_t)          /* current real user id */
 231 PERLVAR(Ieuid,          Uid_t)          /* current effective user id */
 232 PERLVAR(Igid,           Gid_t)          /* current real group id */
 233 PERLVAR(Iegid,          Gid_t)          /* current effective group id */
 234 PERLVAR(Inomemok,       bool)           /* let malloc context handle nomem */
 235 PERLVAR(Ian,            U32)            /* malloc sequence number */
 236 PERLVAR(Icop_seqmax,    U32)            /* statement sequence number */
 237 PERLVAR(Iop_seqmax,     U16)            /* op sequence number */
 238 PERLVAR(Ievalseq,       U32)            /* eval sequence number */
 239 PERLVAR(Iorigenviron,   char **)
 240 PERLVAR(Iorigalen,      U32)
 241 PERLVAR(Ipidstatus,     HV *)           /* pid-to-status mappings for waitpid */
 242 PERLVARI(Imaxo, int,    MAXO)           /* maximum number of ops */
 243 PERLVAR(Iosname,        char *)         /* operating system */
 244 PERLVARI(Ish_path,      char *, SH_PATH)/* full path of shell */
 245 PERLVAR(Isighandlerp,   Sighandler_t)
 246
 247 PERLVAR(Ixiv_arenaroot, XPV*)           /* list of allocated xiv areas */
 248 PERLVAR(Ixiv_root,      IV *)           /* free xiv list */
 249 PERLVAR(Ixnv_root,      NV *)           /* free xnv list */
 250 PERLVAR(Ixrv_root,      XRV *)          /* free xrv list */
 251 PERLVAR(Ixpv_root,      XPV *)          /* free xpv list */
 252 PERLVAR(Ixpviv_root,    XPVIV *)        /* free xpviv list */
 253 PERLVAR(Ixpvnv_root,    XPVNV *)        /* free xpvnv list */
 254 PERLVAR(Ixpvcv_root,    XPVCV *)        /* free xpvcv list */
 255 PERLVAR(Ixpvav_root,    XPVAV *)        /* free xpvav list */
 256 PERLVAR(Ixpvhv_root,    XPVHV *)        /* free xpvhv list */
 257 PERLVAR(Ixpvmg_root,    XPVMG *)        /* free xpvmg list */
 258 PERLVAR(Ixpvlv_root,    XPVLV *)        /* free xpvlv list */
 259 PERLVAR(Ixpvbm_root,    XPVBM *)        /* free xpvbm list */
 260 PERLVAR(Ihe_root,       HE *)           /* free he list */
 261 PERLVAR(Inice_chunk,    char *)         /* a nice chunk of memory to reuse */
 262 PERLVAR(Inice_chunk_size,       U32)    /* how nice the chunk of memory is */
 263
 264 PERLVARI(Irunops,       runops_proc_t,  MEMBER_TO_FPTR(RUNOPS_DEFAULT))
 265
 266 PERLVARA(Itokenbuf,256, char)
 267
 268 /*
 269 =for apidoc Amn|SV|PL_sv_undef
 270 This is the C<undef> SV.  Always refer to this as C<&PL_sv_undef>.
 271
 272 =for apidoc Amn|SV|PL_sv_no
 273 This is the C<false> SV.  See C<PL_sv_yes>.  Always refer to this as
 274 C<&PL_sv_no>.
 275
 276 =for apidoc Amn|SV|PL_sv_yes
 277 This is the C<true> SV.  See C<PL_sv_no>.  Always refer to this as
 278 C<&PL_sv_yes>.
 279
 280 =cut
 281 */
 282
 283 PERLVAR(Isv_undef,      SV)
 284 PERLVAR(Isv_no,         SV)
 285 PERLVAR(Isv_yes,        SV)
 286
 287 #ifdef CSH
 288 PERLVARI(Icshname,      char *, CSH)
 289 PERLVAR(Icshlen,        I32)
 290 #endif
 291
 292 PERLVAR(Ilex_state,     U32)            /* next token is determined */
 293 PERLVAR(Ilex_defer,     U32)            /* state after determined token */
 294 PERLVAR(Ilex_expect,    int)            /* expect after determined token */
 295 PERLVAR(Ilex_brackets,  I32)            /* bracket count */
 296 PERLVAR(Ilex_formbrack, I32)            /* bracket count at outer format level */
 297 PERLVAR(Ilex_casemods,  I32)            /* casemod count */
 298 PERLVAR(Ilex_dojoin,    I32)            /* doing an array interpolation */
 299 PERLVAR(Ilex_starts,    I32)            /* how many interps done on level */
 300 PERLVAR(Ilex_stuff,     SV *)           /* runtime pattern from m// or s/// */
 301 PERLVAR(Ilex_repl,      SV *)           /* runtime replacement from s/// */
 302 PERLVAR(Ilex_op,        OP *)           /* extra info to pass back on op */
 303 PERLVAR(Ilex_inpat,     OP *)           /* in pattern $) and $| are special */
 304 PERLVAR(Ilex_inwhat,    I32)            /* what kind of quoting are we in */
 305 PERLVAR(Ilex_brackstack,char *)         /* what kind of brackets to pop */
 306 PERLVAR(Ilex_casestack, char *)         /* what kind of case mods in effect */
 307
 308 /* What we know when we're in LEX_KNOWNEXT state. */
 309 PERLVARA(Inextval,5,    YYSTYPE)        /* value of next token, if any */
 310 PERLVARA(Inexttype,5,   I32)            /* type of next token */
 311 PERLVAR(Inexttoke,      I32)
 312
 313 PERLVAR(Ilinestr,       SV *)
 314 PERLVAR(Ibufptr,        char *)
 315 PERLVAR(Ioldbufptr,     char *)
 316 PERLVAR(Ioldoldbufptr,  char *)
 317 PERLVAR(Ibufend,        char *)
 318 PERLVARI(Iexpect,int,   XSTATE)         /* how to interpret ambiguous tokens */
 319
 320 PERLVAR(Imulti_start,   I32)            /* 1st line of multi-line string */
 321 PERLVAR(Imulti_end,     I32)            /* last line of multi-line string */
 322 PERLVAR(Imulti_open,    I32)            /* delimiter of said string */
 323 PERLVAR(Imulti_close,   I32)            /* delimiter of said string */
 324
 325 PERLVAR(Ierror_count,   I32)            /* how many errors so far, max 10 */
 326 PERLVAR(Isubline,       I32)            /* line this subroutine began on */
 327 PERLVAR(Isubname,       SV *)           /* name of current subroutine */
 328
 329 PERLVAR(Imin_intro_pending,     I32)    /* start of vars to introduce */
 330 PERLVAR(Imax_intro_pending,     I32)    /* end of vars to introduce */
 331 PERLVAR(Ipadix,         I32)            /* max used index in current "register" pad */
 332 PERLVAR(Ipadix_floor,   I32)            /* how low may inner block reset padix */
 333 PERLVAR(Ipad_reset_pending,     I32)    /* reset pad on next attempted alloc */
 334
 335 PERLVAR(Ilast_uni,      char *)         /* position of last named-unary op */
 336 PERLVAR(Ilast_lop,      char *)         /* position of last list operator */
 337 PERLVAR(Ilast_lop_op,   OPCODE)         /* last list operator */
 338 PERLVAR(Iin_my,         I32)            /* we're compiling a "my" (or "our") declaration */
 339 PERLVAR(Iin_my_stash,   HV *)           /* declared class of this "my" declaration */
 340 #ifdef FCRYPT
 341 PERLVAR(Icryptseen,     bool)           /* has fast crypt() been initialized? */
 342 #endif
 343
 344 PERLVAR(Ihints,         U32)            /* pragma-tic compile-time flags */
 345
 346 PERLVAR(Idebug,         VOL U32)        /* flags given to -D switch */
 347
 348 PERLVAR(Iamagic_generation,     long)
 349
 350 #ifdef USE_LOCALE_COLLATE
 351 PERLVAR(Icollation_ix,  U32)            /* Collation generation index */
 352 PERLVAR(Icollation_name,char *)         /* Name of current collation */
 353 PERLVARI(Icollation_standard, bool,     TRUE)
 354                                         /* Assume simple collation */
 355 PERLVAR(Icollxfrm_base, Size_t)         /* Basic overhead in *xfrm() */
 356 PERLVARI(Icollxfrm_mult,Size_t, 2)      /* Expansion factor in *xfrm() */
 357 #endif /* USE_LOCALE_COLLATE */
 358
 359 #ifdef USE_LOCALE_NUMERIC
 360
 361 PERLVAR(Inumeric_name,  char *)         /* Name of current numeric locale */
 362 PERLVARI(Inumeric_standard,     bool,   TRUE)
 363                                         /* Assume simple numerics */
 364 PERLVARI(Inumeric_local,        bool,   TRUE)
 365                                         /* Assume local numerics */
 366 PERLVAR(Idummy1_bincompat,              char)
 367                                         /* Used to be numeric_radix */
 368
 369 #endif /* !USE_LOCALE_NUMERIC */
 370
 371 /* utf8 character classes */
 372 PERLVAR(Iutf8_alnum,    SV *)
 373 PERLVAR(Iutf8_alnumc,   SV *)
 374 PERLVAR(Iutf8_ascii,    SV *)
 375 PERLVAR(Iutf8_alpha,    SV *)
 376 PERLVAR(Iutf8_space,    SV *)
 377 PERLVAR(Iutf8_cntrl,    SV *)
 378 PERLVAR(Iutf8_graph,    SV *)
 379 PERLVAR(Iutf8_digit,    SV *)
 380 PERLVAR(Iutf8_upper,    SV *)
 381 PERLVAR(Iutf8_lower,    SV *)
 382 PERLVAR(Iutf8_print,    SV *)
 383 PERLVAR(Iutf8_punct,    SV *)
 384 PERLVAR(Iutf8_xdigit,   SV *)
 385 PERLVAR(Iutf8_mark,     SV *)
 386 PERLVAR(Iutf8_toupper,  SV *)
 387 PERLVAR(Iutf8_totitle,  SV *)
 388 PERLVAR(Iutf8_tolower,  SV *)
 389 PERLVAR(Ilast_swash_hv, HV *)
 390 PERLVAR(Ilast_swash_klen,       U32)
 391 PERLVARA(Ilast_swash_key,10,    U8)
 392 PERLVAR(Ilast_swash_tmps,       U8 *)
 393 PERLVAR(Ilast_swash_slen,       STRLEN)
 394
 395 /* perly.c globals */
 396 PERLVAR(Iyydebug,       int)
 397 PERLVAR(Iyynerrs,       int)
 398 PERLVAR(Iyyerrflag,     int)
 399 PERLVAR(Iyychar,        int)
 400 PERLVAR(Iyyval,         YYSTYPE)
 401 PERLVAR(Iyylval,        YYSTYPE)
 402
 403 PERLVAR(Iglob_index,    int)
 404 PERLVAR(Isrand_called,  bool)
 405 PERLVARA(Iuudmap,256,   char)
 406 PERLVAR(Ibitcount,      char *)
 407
 408 #ifdef USE_THREADS
 409 PERLVAR(Isv_mutex,      perl_mutex)     /* Mutex for allocating SVs in sv.c */
 410 PERLVAR(Ieval_mutex,    perl_mutex)     /* Mutex for doeval */
 411 PERLVAR(Ieval_cond,     perl_cond)      /* Condition variable for doeval */
 412 PERLVAR(Ieval_owner,    struct perl_thread *)
 413                                         /* Owner thread for doeval */
 414 PERLVAR(Inthreads,      int)            /* Number of threads currently */
 415 PERLVAR(Ithreads_mutex, perl_mutex)     /* Mutex for nthreads and thread list */
 416 PERLVAR(Inthreads_cond, perl_cond)      /* Condition variable for nthreads */
 417 PERLVAR(Isvref_mutex,   perl_mutex)     /* Mutex for SvREFCNT_{inc,dec} */
 418 PERLVARI(Ithreadsv_names,char *,        THREADSV_NAMES)
 419 #ifdef FAKE_THREADS
 420 PERLVAR(Icurthr,        struct perl_thread *)
 421                                         /* Currently executing (fake) thread */
 422 #endif
 423
 424 PERLVAR(Icred_mutex,    perl_mutex)     /* altered credentials in effect */
 425
 426 #endif /* USE_THREADS */
 427
 428 PERLVAR(Ipsig_ptr, SV**)
 429 PERLVAR(Ipsig_name, SV**)
 430
 431 #if defined(PERL_IMPLICIT_SYS)
 432 PERLVAR(IMem,           struct IPerlMem*)
 433 PERLVAR(IMemShared,     struct IPerlMem*)
 434 PERLVAR(IMemParse,      struct IPerlMem*)
 435 PERLVAR(IEnv,           struct IPerlEnv*)
 436 PERLVAR(IStdIO,         struct IPerlStdIO*)
 437 PERLVAR(ILIO,           struct IPerlLIO*)
 438 PERLVAR(IDir,           struct IPerlDir*)
 439 PERLVAR(ISock,          struct IPerlSock*)
 440 PERLVAR(IProc,          struct IPerlProc*)
 441 #endif
 442
 443 #if defined(USE_ITHREADS)
 444 PERLVAR(Iptr_table,     PTR_TBL_t*)
 445 #endif
 446 PERLVARI(Ibeginav_save, AV*, Nullav)    /* save BEGIN{}s when compiling */
 447
 448 #ifdef USE_THREADS
 449 PERLVAR(Ifdpid_mutex,   perl_mutex)     /* mutex for fdpid array */
 450 PERLVAR(Isv_lock_mutex, perl_mutex)     /* mutex for SvLOCK macro */
 451 #endif
 452
 453 PERLVAR(Inullstash,     HV *)           /* illegal symbols end up here */
 454
 455 PERLVAR(Ixnv_arenaroot, XPV*)           /* list of allocated xnv areas */
 456 PERLVAR(Ixrv_arenaroot, XPV*)           /* list of allocated xrv areas */
 457 PERLVAR(Ixpv_arenaroot, XPV*)           /* list of allocated xpv areas */
 458 PERLVAR(Ixpviv_arenaroot,XPVIV*)        /* list of allocated xpviv areas */
 459 PERLVAR(Ixpvnv_arenaroot,XPVNV*)        /* list of allocated xpvnv areas */
 460 PERLVAR(Ixpvcv_arenaroot,XPVCV*)        /* list of allocated xpvcv areas */
 461 PERLVAR(Ixpvav_arenaroot,XPVAV*)        /* list of allocated xpvav areas */
 462 PERLVAR(Ixpvhv_arenaroot,XPVHV*)        /* list of allocated xpvhv areas */
 463 PERLVAR(Ixpvmg_arenaroot,XPVMG*)        /* list of allocated xpvmg areas */
 464 PERLVAR(Ixpvlv_arenaroot,XPVLV*)        /* list of allocated xpvlv areas */
 465 PERLVAR(Ixpvbm_arenaroot,XPVBM*)        /* list of allocated xpvbm areas */
 466 PERLVAR(Ihe_arenaroot,  XPV*)           /* list of allocated he areas */
 467
 468 #ifdef USE_LOCALE_NUMERIC
 469
 470 PERLVAR(Inumeric_radix_sv,      SV *)   /* The radix separator if not '.' */
 471 #endif
 472
 473 /* New variables must be added to the very end for binary compatibility.
 474  * XSUB.h provides wrapper functions via perlapi.h that make this
 475  * irrelevant, but not all code may be expected to #include XSUB.h. */