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1 /* intrpvar.h 2 * 3 * Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 4 * 2006, 2007 5 * by Larry Wall and others 6 * 7 * You may distribute under the terms of either the GNU General Public 8 * License or the Artistic License, as specified in the README file. 9 * 10 */ 11 12 /* 13 =head1 Per-Interpreter Variables 14 */ 15 16 /* These variables are per-interpreter in threaded/multiplicity builds, 17 * global otherwise. 18 19 * Don't forget to re-run embed.pl to propagate changes! */ 20 21 /* New variables must be added to the very end for binary compatibility. 22 * XSUB.h provides wrapper functions via perlapi.h that make this 23 * irrelevant, but not all code may be expected to #include XSUB.h. */ 24 25 /* Don't forget to add your variable also to perl_clone()! */ 26 27 /* The 'I' prefix is only needed for vars that need appropriate #defines 28 * generated when built with or without MULTIPLICITY. It is also used 29 * to generate the appropriate export list for win32. 30 * 31 * When building without MULTIPLICITY, these variables will be truly global. 32 * 33 * Important ones in the first cache line (if alignment is done right) */ 34 35 PERLVAR(Istack_sp, SV **) /* top of the stack */ 36 #ifdef OP_IN_REGISTER 37 PERLVAR(Iopsave, OP *) 38 #else 39 PERLVAR(Iop, OP *) /* currently executing op */ 40 #endif 41 PERLVAR(Icurpad, SV **) /* active pad (lexicals+tmps) */ 42 43 PERLVAR(Istack_base, SV **) 44 PERLVAR(Istack_max, SV **) 45 46 PERLVAR(Iscopestack, I32 *) /* scopes we've ENTERed */ 47 PERLVAR(Iscopestack_ix, I32) 48 PERLVAR(Iscopestack_max,I32) 49 50 PERLVAR(Isavestack, ANY *) /* items that need to be restored when 51 LEAVEing scopes we've ENTERed */ 52 PERLVAR(Isavestack_ix, I32) 53 PERLVAR(Isavestack_max, I32) 54 55 PERLVAR(Itmps_stack, SV **) /* mortals we've made */ 56 PERLVARI(Itmps_ix, I32, -1) 57 PERLVARI(Itmps_floor, I32, -1) 58 PERLVAR(Itmps_max, I32) 59 PERLVAR(Imodcount, I32) /* how much mod()ification in 60 assignment? */ 61 62 PERLVAR(Imarkstack, I32 *) /* stack_sp locations we're 63 remembering */ 64 PERLVAR(Imarkstack_ptr, I32 *) 65 PERLVAR(Imarkstack_max, I32 *) 66 67 PERLVAR(ISv, SV *) /* used to hold temporary values */ 68 PERLVAR(IXpv, XPV *) /* used to hold temporary values */ 69 70 /* 71 =for apidoc Amn|STRLEN|PL_na 72 73 A convenience variable which is typically used with C<SvPV> when one 74 doesn't care about the length of the string. It is usually more efficient 75 to either declare a local variable and use that instead or to use the 76 C<SvPV_nolen> macro. 77 78 =cut 79 */ 80 81 PERLVAR(Ina, STRLEN) /* for use in SvPV when length is 82 Not Applicable */ 83 84 /* stat stuff */ 85 PERLVAR(Istatbuf, Stat_t) 86 PERLVAR(Istatcache, Stat_t) /* _ */ 87 PERLVAR(Istatgv, GV *) 88 PERLVARI(Istatname, SV *, NULL) 89 90 #ifdef HAS_TIMES 91 PERLVAR(Itimesbuf, struct tms) 92 #endif 93 94 /* Fields used by magic variables such as $@, $/ and so on */ 95 PERLVAR(Icurpm, PMOP *) /* what to do \ interps in REs from */ 96 97 /* 98 =for apidoc mn|SV*|PL_rs 99 100 The input record separator - C<$/> in Perl space. 101 102 =for apidoc mn|GV*|PL_last_in_gv 103 104 The GV which was last used for a filehandle input operation. (C<< <FH> >>) 105 106 =for apidoc mn|SV*|PL_ofs_sv 107 108 The output field separator - C<$,> in Perl space. 109 110 =cut 111 */ 112 113 PERLVAR(Irs, SV *) /* input record separator $/ */ 114 PERLVAR(Ilast_in_gv, GV *) /* GV used in last <FH> */ 115 PERLVAR(Iofs_sv, SV *) /* output field separator $, */ 116 PERLVAR(Idefoutgv, GV *) /* default FH for output */ 117 PERLVARI(Ichopset, const char *, " \n-") /* $: */ 118 PERLVAR(Iformtarget, SV *) 119 PERLVAR(Ibodytarget, SV *) 120 PERLVAR(Itoptarget, SV *) 121 122 /* Stashes */ 123 PERLVAR(Idefstash, HV *) /* main symbol table */ 124 PERLVAR(Icurstash, HV *) /* symbol table for current package */ 125 126 PERLVAR(Irestartop, OP *) /* propagating an error from croak? */ 127 PERLVAR(Icurcop, COP * VOL) 128 PERLVAR(Icurstack, AV *) /* THE STACK */ 129 PERLVAR(Icurstackinfo, PERL_SI *) /* current stack + context */ 130 PERLVAR(Imainstack, AV *) /* the stack when nothing funny is 131 happening */ 132 133 PERLVAR(Itop_env, JMPENV *) /* ptr to current sigjmp environment */ 134 PERLVAR(Istart_env, JMPENV) /* empty startup sigjmp environment */ 135 PERLVARI(Ierrors, SV *, NULL) /* outstanding queued errors */ 136 137 /* statics "owned" by various functions */ 138 PERLVAR(Ihv_fetch_ent_mh, HE*) /* owned by hv_fetch_ent() */ 139 140 PERLVAR(Ilastgotoprobe, OP*) /* from pp_ctl.c */ 141 142 /* sort stuff */ 143 PERLVAR(Isortcop, OP *) /* user defined sort routine */ 144 PERLVAR(Isortstash, HV *) /* which is in some package or other */ 145 PERLVAR(Ifirstgv, GV *) /* $a */ 146 PERLVAR(Isecondgv, GV *) /* $b */ 147 148 /* float buffer */ 149 PERLVAR(Iefloatbuf, char *) 150 PERLVAR(Iefloatsize, STRLEN) 151 152 /* regex stuff */ 153 154 PERLVAR(Iscreamfirst, I32 *) 155 PERLVAR(Iscreamnext, I32 *) 156 PERLVAR(Ilastscream, SV *) 157 158 PERLVAR(Ireg_state, struct re_save_state) 159 160 PERLVAR(Iregdummy, regnode) /* from regcomp.c */ 161 162 PERLVARI(Idumpindent, U16, 4) /* number of blanks per dump 163 indentation level */ 164 165 166 PERLVAR(Iutf8locale, bool) /* utf8 locale detected */ 167 PERLVARI(Irehash_seed_set, bool, FALSE) /* 582 hash initialized? */ 168 169 PERLVARA(Icolors,6, char *) /* from regcomp.c */ 170 171 PERLVARI(Ipeepp, peep_t, MEMBER_TO_FPTR(Perl_peep)) 172 /* Pointer to peephole optimizer */ 173 174 PERLVARI(Imaxscream, I32, -1) 175 PERLVARI(Ireginterp_cnt,I32, 0) /* Whether "Regexp" was interpolated. */ 176 PERLVARI(Iwatchaddr, char **, 0) 177 PERLVAR(Iwatchok, char *) 178 179 /* the currently active slab in a chain of slabs of regmatch states, 180 * and the currently active state within that slab */ 181 182 PERLVARI(Iregmatch_slab, regmatch_slab *, NULL) 183 PERLVAR(Iregmatch_state, regmatch_state *) 184 185 /* Put anything new that is pointer aligned here. */ 186 187 PERLVAR(Idelaymagic, U16) /* ($<,$>) = ... */ 188 PERLVAR(Ilocalizing, U8) /* are we processing a local() list? */ 189 PERLVAR(Icolorset, bool) /* from regcomp.c */ 190 PERLVARI(Idirty, bool, FALSE) /* in the middle of tearing things 191 down? */ 192 PERLVAR(Iin_eval, VOL U8) /* trap "fatal" errors? */ 193 PERLVAR(Itainted, bool) /* using variables controlled by $< */ 194 195 /* This value may be set when embedding for full cleanup */ 196 /* 0=none, 1=full, 2=full with checks */ 197 /* mod_perl is special, and also assigns a meaning -1 */ 198 PERLVARI(Iperl_destruct_level, signed char, 0) 199 200 PERLVAR(Iperldb, U32) 201 202 /* pseudo environmental stuff */ 203 PERLVAR(Iorigargc, int) 204 PERLVAR(Iorigargv, char **) 205 PERLVAR(Ienvgv, GV *) 206 PERLVAR(Iincgv, GV *) 207 PERLVAR(Ihintgv, GV *) 208 PERLVAR(Iorigfilename, char *) 209 PERLVAR(Idiehook, SV *) 210 PERLVAR(Iwarnhook, SV *) 211 212 /* switches */ 213 PERLVAR(Ipatchlevel, SV *) 214 PERLVAR(Ilocalpatches, const char * const *) 215 PERLVARI(Isplitstr, const char *, " ") 216 217 PERLVAR(Iminus_c, bool) 218 PERLVAR(Ipreprocess, bool) 219 PERLVAR(Iminus_n, bool) 220 PERLVAR(Iminus_p, bool) 221 PERLVAR(Iminus_l, bool) 222 PERLVAR(Iminus_a, bool) 223 PERLVAR(Iminus_F, bool) 224 PERLVAR(Idoswitches, bool) 225 226 PERLVAR(Iminus_E, bool) 227 228 /* 229 230 =for apidoc mn|bool|PL_dowarn 231 232 The C variable which corresponds to Perl's $^W warning variable. 233 234 =cut 235 */ 236 237 PERLVAR(Idowarn, U8) 238 PERLVAR(Idoextract, bool) 239 PERLVAR(Isawampersand, bool) /* must save all match strings */ 240 PERLVAR(Iunsafe, bool) 241 PERLVAR(Iexit_flags, U8) /* was exit() unexpected, etc. */ 242 PERLVAR(Isrand_called, bool) 243 /* Part of internal state, but makes the 16th 1 byte variable in a row. */ 244 PERLVAR(Itainting, bool) /* doing taint checks */ 245 PERLVAR(Iinplace, char *) 246 PERLVAR(Ie_script, SV *) 247 248 /* magical thingies */ 249 PERLVAR(Ibasetime, Time_t) /* $^T */ 250 PERLVAR(Iformfeed, SV *) /* $^L */ 251 252 253 PERLVARI(Imaxsysfd, I32, MAXSYSFD) 254 /* top fd to pass to subprocesses */ 255 PERLVAR(Istatusvalue, I32) /* $? */ 256 #ifdef VMS 257 PERLVAR(Istatusvalue_vms,U32) 258 #else 259 PERLVAR(Istatusvalue_posix,I32) 260 #endif 261 262 PERLVARI(Isig_pending, int,0) /* Number if highest signal pending */ 263 PERLVAR(Ipsig_pend, int *) /* per-signal "count" of pending */ 264 265 /* shortcuts to various I/O objects */ 266 PERLVAR(Istdingv, GV *) 267 PERLVAR(Istderrgv, GV *) 268 PERLVAR(Idefgv, GV *) 269 PERLVAR(Iargvgv, GV *) 270 PERLVAR(Iargvoutgv, GV *) 271 PERLVAR(Iargvout_stack, AV *) 272 273 /* shortcuts to regexp stuff */ 274 PERLVAR(Ireplgv, GV *) 275 276 /* shortcuts to misc objects */ 277 PERLVAR(Ierrgv, GV *) 278 279 /* shortcuts to debugging objects */ 280 PERLVAR(IDBgv, GV *) 281 PERLVAR(IDBline, GV *) 282 283 /* 284 =for apidoc mn|GV *|PL_DBsub 285 When Perl is run in debugging mode, with the B<-d> switch, this GV contains 286 the SV which holds the name of the sub being debugged. This is the C 287 variable which corresponds to Perl's $DB::sub variable. See 288 C<PL_DBsingle>. 289 290 =for apidoc mn|SV *|PL_DBsingle 291 When Perl is run in debugging mode, with the B<-d> switch, this SV is a 292 boolean which indicates whether subs are being single-stepped. 293 Single-stepping is automatically turned on after every step. This is the C 294 variable which corresponds to Perl's $DB::single variable. See 295 C<PL_DBsub>. 296 297 =for apidoc mn|SV *|PL_DBtrace 298 Trace variable used when Perl is run in debugging mode, with the B<-d> 299 switch. This is the C variable which corresponds to Perl's $DB::trace 300 variable. See C<PL_DBsingle>. 301 302 =cut 303 */ 304 305 PERLVAR(IDBsub, GV *) 306 PERLVAR(IDBsingle, SV *) 307 PERLVAR(IDBtrace, SV *) 308 PERLVAR(IDBsignal, SV *) 309 PERLVAR(Idbargs, AV *) /* args to call listed by caller function */ 310 311 /* symbol tables */ 312 PERLVAR(Idebstash, HV *) /* symbol table for perldb package */ 313 PERLVAR(Iglobalstash, HV *) /* global keyword overrides imported here */ 314 PERLVAR(Icurstname, SV *) /* name of current package */ 315 PERLVAR(Ibeginav, AV *) /* names of BEGIN subroutines */ 316 PERLVAR(Iendav, AV *) /* names of END subroutines */ 317 PERLVAR(Iunitcheckav, AV *) /* names of UNITCHECK subroutines */ 318 PERLVAR(Icheckav, AV *) /* names of CHECK subroutines */ 319 PERLVAR(Iinitav, AV *) /* names of INIT subroutines */ 320 PERLVAR(Istrtab, HV *) /* shared string table */ 321 PERLVARI(Isub_generation,U32,1) /* incr to invalidate method cache */ 322 323 /* funky return mechanisms */ 324 PERLVAR(Iforkprocess, int) /* so do_open |- can return proc# */ 325 326 /* memory management */ 327 PERLVAR(Isv_count, I32) /* how many SV* are currently allocated */ 328 PERLVAR(Isv_objcount, I32) /* how many objects are currently allocated */ 329 PERLVAR(Isv_root, SV*) /* storage for SVs belonging to interp */ 330 PERLVAR(Isv_arenaroot, SV*) /* list of areas for garbage collection */ 331 332 /* subprocess state */ 333 PERLVAR(Ifdpid, AV *) /* keep fd-to-pid mappings for my_popen */ 334 335 /* internal state */ 336 PERLVARI(Iop_mask, char *, NULL) /* masked operations for safe evals */ 337 338 /* current interpreter roots */ 339 PERLVAR(Imain_cv, CV *) 340 PERLVAR(Imain_root, OP *) 341 PERLVAR(Imain_start, OP *) 342 PERLVAR(Ieval_root, OP *) 343 PERLVAR(Ieval_start, OP *) 344 345 /* runtime control stuff */ 346 PERLVARI(Icurcopdb, COP *, NULL) 347 348 PERLVAR(Ifilemode, int) /* so nextargv() can preserve mode */ 349 PERLVAR(Ilastfd, int) /* what to preserve mode on */ 350 PERLVAR(Ioldname, char *) /* what to preserve mode on */ 351 PERLVAR(IArgv, char **) /* stuff to free from do_aexec, vfork safe */ 352 PERLVAR(ICmd, char *) /* stuff to free from do_aexec, vfork safe */ 353 /* Elements in this array have ';' appended and are injected as a single line 354 into the tokeniser. You can't put any (literal) newlines into any program 355 you stuff in into this array, as the point where it's injected is expecting 356 a single physical line. */ 357 PERLVAR(Ipreambleav, AV *) 358 PERLVAR(Imess_sv, SV *) 359 PERLVAR(Iors_sv, SV *) /* output record separator $\ */ 360 /* statics moved here for shared library purposes */ 361 PERLVARI(Igensym, I32, 0) /* next symbol for getsym() to define */ 362 PERLVARI(Icv_has_eval, bool, FALSE) /* PL_compcv includes an entereval or similar */ 363 PERLVAR(Itaint_warn, bool) /* taint warns instead of dying */ 364 PERLVARI(Ilaststype, U16, OP_STAT) 365 PERLVARI(Ilaststatval, int, -1) 366 367 /* interpreter atexit processing */ 368 PERLVARI(Iexitlistlen, I32, 0) /* length of same */ 369 PERLVARI(Iexitlist, PerlExitListEntry *, NULL) 370 /* list of exit functions */ 371 372 /* 373 =for apidoc Amn|HV*|PL_modglobal 374 375 C<PL_modglobal> is a general purpose, interpreter global HV for use by 376 extensions that need to keep information on a per-interpreter basis. 377 In a pinch, it can also be used as a symbol table for extensions 378 to share data among each other. It is a good idea to use keys 379 prefixed by the package name of the extension that owns the data. 380 381 =cut 382 */ 383 384 PERLVAR(Imodglobal, HV *) /* per-interp module data */ 385 386 /* these used to be in global before 5.004_68 */ 387 PERLVARI(Iprofiledata, U32 *, NULL) /* table of ops, counts */ 388 389 PERLVAR(Icompiling, COP) /* compiling/done executing marker */ 390 391 PERLVAR(Icompcv, CV *) /* currently compiling subroutine */ 392 PERLVAR(Icomppad, AV *) /* storage for lexically scoped temporaries */ 393 PERLVAR(Icomppad_name, AV *) /* variable names for "my" variables */ 394 PERLVAR(Icomppad_name_fill, I32) /* last "introduced" variable offset */ 395 PERLVAR(Icomppad_name_floor, I32) /* start of vars in innermost block */ 396 397 #ifdef HAVE_INTERP_INTERN 398 PERLVAR(Isys_intern, struct interp_intern) 399 /* platform internals */ 400 #endif 401 402 /* more statics moved here */ 403 PERLVAR(IDBcv, CV *) /* from perl.c */ 404 PERLVARI(Igeneration, int, 100) /* from op.c */ 405 406 PERLVARI(Iin_clean_objs,bool, FALSE) /* from sv.c */ 407 PERLVARI(Iin_clean_all, bool, FALSE) /* from sv.c */ 408 PERLVAR(Inomemok, bool) /* let malloc context handle nomem */ 409 PERLVARI(Isavebegin, bool, FALSE) /* save BEGINs for compiler */ 410 411 PERLVAR(Iuid, Uid_t) /* current real user id */ 412 PERLVAR(Ieuid, Uid_t) /* current effective user id */ 413 PERLVAR(Igid, Gid_t) /* current real group id */ 414 PERLVAR(Iegid, Gid_t) /* current effective group id */ 415 PERLVARI(Ian, U32, 0) /* malloc sequence number */ 416 PERLVARI(Icop_seqmax, U32, 0) /* statement sequence number */ 417 PERLVARI(Ievalseq, U32, 0) /* eval sequence number */ 418 PERLVAR(Iorigalen, U32) 419 PERLVAR(Iorigenviron, char **) 420 #ifdef PERL_USES_PL_PIDSTATUS 421 PERLVAR(Ipidstatus, HV *) /* pid-to-status mappings for waitpid */ 422 #endif 423 PERLVAR(Iosname, char *) /* operating system */ 424 425 PERLVAR(Isighandlerp, Sighandler_t) 426 427 PERLVARA(Ibody_roots, PERL_ARENA_ROOTS_SIZE, void*) /* array of body roots */ 428 429 PERLVAR(Inice_chunk, char *) /* a nice chunk of memory to reuse */ 430 PERLVAR(Inice_chunk_size, U32) /* how nice the chunk of memory is */ 431 432 PERLVARI(Imaxo, int, MAXO) /* maximum number of ops */ 433 434 PERLVARI(Irunops, runops_proc_t, MEMBER_TO_FPTR(RUNOPS_DEFAULT)) 435 436 /* 437 =for apidoc Amn|SV|PL_sv_undef 438 This is the C<undef> SV. Always refer to this as C<&PL_sv_undef>. 439 440 =for apidoc Amn|SV|PL_sv_no 441 This is the C<false> SV. See C<PL_sv_yes>. Always refer to this as 442 C<&PL_sv_no>. 443 444 =for apidoc Amn|SV|PL_sv_yes 445 This is the C<true> SV. See C<PL_sv_no>. Always refer to this as 446 C<&PL_sv_yes>. 447 448 =cut 449 */ 450 451 PERLVAR(Isv_undef, SV) 452 PERLVAR(Isv_no, SV) 453 PERLVAR(Isv_yes, SV) 454 455 PERLVAR(Isubname, SV *) /* name of current subroutine */ 456 457 PERLVAR(Isubline, I32) /* line this subroutine began on */ 458 PERLVAR(Imin_intro_pending, I32) /* start of vars to introduce */ 459 460 PERLVAR(Imax_intro_pending, I32) /* end of vars to introduce */ 461 PERLVAR(Ipadix, I32) /* max used index in current "register" pad */ 462 463 PERLVAR(Ipadix_floor, I32) /* how low may inner block reset padix */ 464 PERLVAR(Ipad_reset_pending, I32) /* reset pad on next attempted alloc */ 465 466 PERLVAR(Ihints, U32) /* pragma-tic compile-time flags */ 467 468 PERLVAR(Idebug, VOL U32) /* flags given to -D switch */ 469 470 PERLVARI(Iamagic_generation, long, 0) 471 472 #ifdef USE_LOCALE_COLLATE 473 PERLVAR(Icollation_name,char *) /* Name of current collation */ 474 PERLVAR(Icollxfrm_base, Size_t) /* Basic overhead in *xfrm() */ 475 PERLVARI(Icollxfrm_mult,Size_t, 2) /* Expansion factor in *xfrm() */ 476 PERLVARI(Icollation_ix, U32, 0) /* Collation generation index */ 477 PERLVARI(Icollation_standard, bool, TRUE) 478 /* Assume simple collation */ 479 #endif /* USE_LOCALE_COLLATE */ 480 481 482 #if defined (PERL_UTF8_CACHE_ASSERT) || defined (DEBUGGING) 483 # define PERL___I -1 484 #else 485 # define PERL___I 1 486 #endif 487 PERLVARI(Iutf8cache, I8, PERL___I) /* Is the utf8 caching code enabled? */ 488 #undef PERL___I 489 490 491 #ifdef USE_LOCALE_NUMERIC 492 493 PERLVARI(Inumeric_standard, bool, TRUE) 494 /* Assume simple numerics */ 495 PERLVARI(Inumeric_local, bool, TRUE) 496 /* Assume local numerics */ 497 PERLVAR(Inumeric_name, char *) /* Name of current numeric locale */ 498 #endif /* !USE_LOCALE_NUMERIC */ 499 500 /* utf8 character classes */ 501 PERLVAR(Iutf8_alnum, SV *) 502 PERLVAR(Iutf8_alnumc, SV *) 503 PERLVAR(Iutf8_ascii, SV *) 504 PERLVAR(Iutf8_alpha, SV *) 505 PERLVAR(Iutf8_space, SV *) 506 PERLVAR(Iutf8_cntrl, SV *) 507 PERLVAR(Iutf8_graph, SV *) 508 PERLVAR(Iutf8_digit, SV *) 509 PERLVAR(Iutf8_upper, SV *) 510 PERLVAR(Iutf8_lower, SV *) 511 PERLVAR(Iutf8_print, SV *) 512 PERLVAR(Iutf8_punct, SV *) 513 PERLVAR(Iutf8_xdigit, SV *) 514 PERLVAR(Iutf8_mark, SV *) 515 PERLVAR(Iutf8_toupper, SV *) 516 PERLVAR(Iutf8_totitle, SV *) 517 PERLVAR(Iutf8_tolower, SV *) 518 PERLVAR(Iutf8_tofold, SV *) 519 PERLVAR(Ilast_swash_hv, HV *) 520 PERLVAR(Ilast_swash_tmps, U8 *) 521 PERLVAR(Ilast_swash_slen, STRLEN) 522 PERLVARA(Ilast_swash_key,10, U8) 523 PERLVAR(Ilast_swash_klen, U8) /* Only needs to store 0-10 */ 524 525 #ifdef FCRYPT 526 PERLVARI(Icryptseen, bool, FALSE) /* has fast crypt() been initialized? */ 527 #endif 528 529 PERLVARI(Iglob_index, int, 0) 530 531 532 PERLVAR(Iparser, yy_parser *) /* current parser state */ 533 534 PERLVAR(Ibitcount, char *) 535 536 PERLVAR(Ipsig_ptr, SV**) 537 PERLVAR(Ipsig_name, SV**) 538 539 #if defined(PERL_IMPLICIT_SYS) 540 PERLVAR(IMem, struct IPerlMem*) 541 PERLVAR(IMemShared, struct IPerlMem*) 542 PERLVAR(IMemParse, struct IPerlMem*) 543 PERLVAR(IEnv, struct IPerlEnv*) 544 PERLVAR(IStdIO, struct IPerlStdIO*) 545 PERLVAR(ILIO, struct IPerlLIO*) 546 PERLVAR(IDir, struct IPerlDir*) 547 PERLVAR(ISock, struct IPerlSock*) 548 PERLVAR(IProc, struct IPerlProc*) 549 #endif 550 551 PERLVAR(Iptr_table, PTR_TBL_t*) 552 PERLVARI(Ibeginav_save, AV*, NULL) /* save BEGIN{}s when compiling */ 553 554 PERLVAR(Ibody_arenas, void*) /* pointer to list of body-arenas */ 555 556 557 #ifdef USE_LOCALE_NUMERIC 558 559 PERLVAR(Inumeric_radix_sv, SV *) /* The radix separator if not '.' */ 560 561 #endif 562 563 #if defined(USE_ITHREADS) 564 PERLVAR(Iregex_pad, SV**) /* All regex objects */ 565 PERLVAR(Iregex_padav, AV*) /* All regex objects */ 566 567 #endif 568 569 #ifdef USE_REENTRANT_API 570 PERLVAR(Ireentrant_buffer, REENTR*) /* here we store the _r buffers */ 571 #endif 572 573 PERLVAR(Icustom_op_names, HV*) /* Names of user defined ops */ 574 PERLVAR(Icustom_op_descs, HV*) /* Descriptions of user defined ops */ 575 576 #ifdef PERLIO_LAYERS 577 PERLVARI(Iperlio, PerlIO *,NULL) 578 PERLVARI(Iknown_layers, PerlIO_list_t *,NULL) 579 PERLVARI(Idef_layerlist, PerlIO_list_t *,NULL) 580 #endif 581 582 PERLVARI(Iencoding, SV*, NULL) /* character encoding */ 583 584 PERLVAR(Idebug_pad, struct perl_debug_pad) /* always needed because of the re extension */ 585 586 PERLVAR(Iutf8_idstart, SV *) 587 PERLVAR(Iutf8_idcont, SV *) 588 589 PERLVAR(Isort_RealCmp, SVCOMPARE_t) 590 591 PERLVARI(Icheckav_save, AV*, NULL) /* save CHECK{}s when compiling */ 592 PERLVARI(Iunitcheckav_save, AV*, NULL) /* save UNITCHECK{}s when compiling */ 593 594 PERLVARI(Iclocktick, long, 0) /* this many times() ticks in a second */ 595 596 PERLVARI(Iin_load_module, int, 0) /* to prevent recursions in PerlIO_find_layer */ 597 598 PERLVAR(Iunicode, U32) /* Unicode features: $ENV{PERL_UNICODE} or -C */ 599 600 PERLVAR(Isignals, U32) /* Using which pre-5.8 signals */ 601 602 PERLVAR(Ireentrant_retint, int) /* Integer return value from reentrant functions */ 603 604 PERLVAR(Istashcache, HV *) /* Cache to speed up S_method_common */ 605 606 /* Hooks to shared SVs and locks. */ 607 PERLVARI(Isharehook, share_proc_t, MEMBER_TO_FPTR(Perl_sv_nosharing)) 608 PERLVARI(Ilockhook, share_proc_t, MEMBER_TO_FPTR(Perl_sv_nosharing)) 609 #ifdef NO_MATHOMS 610 # define PERL_UNLOCK_HOOK Perl_sv_nosharing 611 #else 612 /* This reference ensures that the mathoms are linked with perl */ 613 # define PERL_UNLOCK_HOOK Perl_sv_nounlocking 614 #endif 615 PERLVARI(Iunlockhook, share_proc_t, MEMBER_TO_FPTR(PERL_UNLOCK_HOOK)) 616 617 PERLVARI(Ithreadhook, thrhook_proc_t, MEMBER_TO_FPTR(Perl_nothreadhook)) 618 619 PERLVARI(Ihash_seed, UV, 0) /* Hash initializer */ 620 621 PERLVARI(Irehash_seed, UV, 0) /* 582 hash initializer */ 622 623 PERLVARI(Iisarev, HV*, NULL) /* Reverse map of @ISA dependencies */ 624 625 /* The last unconditional member of the interpreter structure when 5.10.0 was 626 released. The offset of the end of this is baked into a global variable in 627 any shared perl library which will allow a sanity test in future perl 628 releases. */ 629 #define PERL_LAST_5_10_0_INTERP_MEMBER Iisarev 630 631 #ifdef PERL_IMPLICIT_CONTEXT 632 PERLVARI(Imy_cxt_size, int, 0) /* size of PL_my_cxt_list */ 633 PERLVARI(Imy_cxt_list, void **, NULL) /* per-module array of MY_CXT pointers */ 634 # ifdef PERL_GLOBAL_STRUCT_PRIVATE 635 PERLVARI(Imy_cxt_keys, const char **, NULL) /* per-module array of pointers to MY_CXT_KEY constants */ 636 # endif 637 #endif 638 639 #ifdef PERL_TRACK_MEMPOOL 640 /* For use with the memory debugging code in util.c */ 641 PERLVAR(Imemory_debug_header, struct perl_memory_debug_header) 642 #endif 643 644 #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP 645 /* File descriptor to talk to the child which dumps scalars. */ 646 PERLVARI(Idumper_fd, int, -1) 647 #endif 648 649 /* Stores the PPID */ 650 #ifdef THREADS_HAVE_PIDS 651 PERLVARI(Ippid, IV, 0) 652 #endif 653 654 #ifdef PERL_MAD 655 PERLVARI(Imadskills, bool, FALSE) /* preserve all syntactic info */ 656 /* (MAD = Misc Attribute Decoration) */ 657 PERLVARI(Ixmlfp, PerlIO *,NULL) 658 #endif 659 660 #ifdef PL_OP_SLAB_ALLOC 661 PERLVAR(IOpPtr,I32 **) 662 PERLVARI(IOpSpace,I32,0) 663 PERLVAR(IOpSlab,I32 *) 664 #endif 665 666 #ifdef PERL_DEBUG_READONLY_OPS 667 PERLVARI(Islabs, I32**, NULL) /* Array of slabs that have been allocated */ 668 PERLVARI(Islab_count, U32, 0) /* Size of the array */ 669 #endif 670 671 /* Can shared object be destroyed */ 672 PERLVARI(Idestroyhook, destroyable_proc_t, MEMBER_TO_FPTR(Perl_sv_destroyable)) 673 674 /* If you are adding a U8 or U16, check to see if there are 'Space' comments 675 * above on where there are gaps which currently will be structure padding. */ 676 677 /* Within a stable branch, new variables must be added to the very end, before 678 * this comment, for binary compatibility (the offsets of the old members must 679 * not change). 680 * (Don't forget to add your variable also to perl_clone()!) 681 * XSUB.h provides wrapper functions via perlapi.h that make this 682 * irrelevant, but not all code may be expected to #include XSUB.h. 683 */
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