1 /***********************************************/
2 /* Global only to current interpreter instance */
3 /***********************************************/
5 /* Don't forget to re-run embed.pl to propagate changes! */
7 /* New variables must be added to the very end for binary compatibility.
8 * XSUB.h provides wrapper functions via perlapi.h that make this
9 * irrelevant, but not all code may be expected to #include XSUB.h. */
11 /* Don't forget to add your variable also to perl_clone()! */
13 /* The 'I' prefix is only needed for vars that need appropriate #defines
14 * generated when built with or without MULTIPLICITY. It is also used
15 * to generate the appropriate export list for win32.
17 * When building without MULTIPLICITY, these variables will be truly global. */
19 /* pseudo environmental stuff */
20 PERLVAR(Iorigargc, int)
21 PERLVAR(Iorigargv, char **)
24 PERLVAR(Ihintgv, GV *)
25 PERLVAR(Iorigfilename, char *)
26 PERLVAR(Idiehook, SV *)
27 PERLVAR(Iwarnhook, SV *)
30 PERLVAR(Iminus_c, bool)
31 PERLVAR(Ipatchlevel, SV *)
32 PERLVAR(Ilocalpatches, const char * const *)
33 PERLVARI(Isplitstr, const char *, " ")
34 PERLVAR(Ipreprocess, bool)
35 PERLVAR(Iminus_n, bool)
36 PERLVAR(Iminus_p, bool)
37 PERLVAR(Iminus_l, bool)
38 PERLVAR(Iminus_a, bool)
39 PERLVAR(Iminus_F, bool)
40 PERLVAR(Idoswitches, bool)
43 =head1 Global Variables
45 =for apidoc mn|bool|PL_dowarn
47 The C variable which corresponds to Perl's $^W warning variable.
53 PERLVAR(Iwidesyscalls, bool) /* unused since 5.8.1 */
54 PERLVAR(Idoextract, bool)
55 PERLVAR(Isawampersand, bool) /* must save all match strings */
56 PERLVAR(Iunsafe, bool)
57 PERLVAR(Iinplace, char *)
58 PERLVAR(Ie_script, SV *)
61 /* This value may be set when embedding for full cleanup */
62 /* 0=none, 1=full, 2=full with checks */
63 PERLVARI(Iperl_destruct_level, int, 0)
65 /* magical thingies */
66 PERLVAR(Ibasetime, Time_t) /* $^T */
67 PERLVAR(Iformfeed, SV *) /* $^L */
70 PERLVARI(Imaxsysfd, I32, MAXSYSFD)
71 /* top fd to pass to subprocesses */
72 PERLVAR(Imultiline, int) /* $*--do strings hold >1 line? */
73 PERLVAR(Istatusvalue, I32) /* $? */
74 PERLVAR(Iexit_flags, U8) /* was exit() unexpected, etc. */
76 PERLVAR(Istatusvalue_vms,U32)
78 PERLVAR(Istatusvalue_posix,I32)
81 /* shortcuts to various I/O objects */
82 PERLVAR(Istdingv, GV *)
83 PERLVAR(Istderrgv, GV *)
85 PERLVAR(Iargvgv, GV *)
86 PERLVAR(Iargvoutgv, GV *)
87 PERLVAR(Iargvout_stack, AV *)
89 /* shortcuts to regexp stuff */
90 /* this one needs to be moved to thrdvar.h and accessed via
91 * find_threadsv() when USE_5005THREADS */
92 PERLVAR(Ireplgv, GV *)
94 /* shortcuts to misc objects */
97 /* shortcuts to debugging objects */
99 PERLVAR(IDBline, GV *)
102 =for apidoc mn|GV *|PL_DBsub
103 When Perl is run in debugging mode, with the B<-d> switch, this GV contains
104 the SV which holds the name of the sub being debugged. This is the C
105 variable which corresponds to Perl's $DB::sub variable. See
108 =for apidoc mn|SV *|PL_DBsingle
109 When Perl is run in debugging mode, with the B<-d> switch, this SV is a
110 boolean which indicates whether subs are being single-stepped.
111 Single-stepping is automatically turned on after every step. This is the C
112 variable which corresponds to Perl's $DB::single variable. See
115 =for apidoc mn|SV *|PL_DBtrace
116 Trace variable used when Perl is run in debugging mode, with the B<-d>
117 switch. This is the C variable which corresponds to Perl's $DB::trace
118 variable. See C<PL_DBsingle>.
123 PERLVAR(IDBsub, GV *)
124 PERLVAR(IDBsingle, SV *)
125 PERLVAR(IDBtrace, SV *)
126 PERLVAR(IDBsignal, SV *)
127 PERLVAR(Ilineary, AV *) /* lines of script for debugger */
128 PERLVAR(Idbargs, AV *) /* args to call listed by caller function */
131 PERLVAR(Idebstash, HV *) /* symbol table for perldb package */
132 PERLVAR(Iglobalstash, HV *) /* global keyword overrides imported here */
133 PERLVAR(Icurstname, SV *) /* name of current package */
134 PERLVAR(Ibeginav, AV *) /* names of BEGIN subroutines */
135 PERLVAR(Iendav, AV *) /* names of END subroutines */
136 PERLVAR(Icheckav, AV *) /* names of CHECK subroutines */
137 PERLVAR(Iinitav, AV *) /* names of INIT subroutines */
138 PERLVAR(Istrtab, HV *) /* shared string table */
139 PERLVARI(Isub_generation,U32,1) /* incr to invalidate method cache */
141 /* memory management */
142 PERLVAR(Isv_count, I32) /* how many SV* are currently allocated */
143 PERLVAR(Isv_objcount, I32) /* how many objects are currently allocated */
144 PERLVAR(Isv_root, SV*) /* storage for SVs belonging to interp */
145 PERLVAR(Isv_arenaroot, SV*) /* list of areas for garbage collection */
147 /* funky return mechanisms */
148 PERLVAR(Iforkprocess, int) /* so do_open |- can return proc# */
150 /* subprocess state */
151 PERLVAR(Ifdpid, AV *) /* keep fd-to-pid mappings for my_popen */
154 PERLVAR(Itainting, bool) /* doing taint checks */
155 PERLVARI(Iop_mask, char *, NULL) /* masked operations for safe evals */
157 /* current interpreter roots */
158 PERLVAR(Imain_cv, CV *)
159 PERLVAR(Imain_root, OP *)
160 PERLVAR(Imain_start, OP *)
161 PERLVAR(Ieval_root, OP *)
162 PERLVAR(Ieval_start, OP *)
164 /* runtime control stuff */
165 PERLVARI(Icurcopdb, COP *, NULL)
166 PERLVARI(Icopline, line_t, NOLINE)
168 /* statics moved here for shared library purposes */
169 PERLVAR(Ifilemode, int) /* so nextargv() can preserve mode */
170 PERLVAR(Ilastfd, int) /* what to preserve mode on */
171 PERLVAR(Ioldname, char *) /* what to preserve mode on */
172 PERLVAR(IArgv, char **) /* stuff to free from do_aexec, vfork safe */
173 PERLVAR(ICmd, char *) /* stuff to free from do_aexec, vfork safe */
174 PERLVARI(Igensym, I32, 0) /* next symbol for getsym() to define */
175 PERLVAR(Ipreambled, bool)
176 PERLVAR(Ipreambleav, AV *)
177 PERLVARI(Ilaststatval, int, -1)
178 PERLVARI(Ilaststype, I32, OP_STAT)
179 PERLVAR(Imess_sv, SV *)
181 /* XXX shouldn't these be per-thread? --GSAR */
182 PERLVAR(Iors_sv, SV *) /* output record separator $\ */
184 /* interpreter atexit processing */
185 PERLVARI(Iexitlist, PerlExitListEntry *, NULL)
186 /* list of exit functions */
187 PERLVARI(Iexitlistlen, I32, 0) /* length of same */
190 =for apidoc Amn|HV*|PL_modglobal
192 C<PL_modglobal> is a general purpose, interpreter global HV for use by
193 extensions that need to keep information on a per-interpreter basis.
194 In a pinch, it can also be used as a symbol table for extensions
195 to share data among each other. It is a good idea to use keys
196 prefixed by the package name of the extension that owns the data.
201 PERLVAR(Imodglobal, HV *) /* per-interp module data */
203 /* these used to be in global before 5.004_68 */
204 PERLVARI(Iprofiledata, U32 *, NULL) /* table of ops, counts */
205 PERLVARI(Irsfp, PerlIO * VOL, Nullfp) /* current source file pointer */
206 PERLVARI(Irsfp_filters, AV *, Nullav) /* keeps active source filters */
208 PERLVAR(Icompiling, COP) /* compiling/done executing marker */
210 PERLVAR(Icompcv, CV *) /* currently compiling subroutine */
211 PERLVAR(Icomppad, AV *) /* storage for lexically scoped temporaries */
212 PERLVAR(Icomppad_name, AV *) /* variable names for "my" variables */
213 PERLVAR(Icomppad_name_fill, I32) /* last "introduced" variable offset */
214 PERLVAR(Icomppad_name_floor, I32) /* start of vars in innermost block */
216 #ifdef HAVE_INTERP_INTERN
217 PERLVAR(Isys_intern, struct interp_intern)
218 /* platform internals */
221 /* more statics moved here */
222 PERLVARI(Igeneration, int, 100) /* from op.c */
223 PERLVAR(IDBcv, CV *) /* from perl.c */
225 PERLVARI(Iin_clean_objs,bool, FALSE) /* from sv.c */
226 PERLVARI(Iin_clean_all, bool, FALSE) /* from sv.c */
228 PERLVAR(Ilinestart, char *) /* beg. of most recently read line */
229 PERLVAR(Ipending_ident, char) /* pending identifier lookup */
230 PERLVAR(Isublex_info, SUBLEXINFO) /* from toke.c */
232 PERLVAR(Iuid, Uid_t) /* current real user id */
233 PERLVAR(Ieuid, Uid_t) /* current effective user id */
234 PERLVAR(Igid, Gid_t) /* current real group id */
235 PERLVAR(Iegid, Gid_t) /* current effective group id */
236 PERLVAR(Inomemok, bool) /* let malloc context handle nomem */
237 PERLVARI(Ian, U32, 0) /* malloc sequence number */
238 PERLVARI(Icop_seqmax, U32, 0) /* statement sequence number */
239 PERLVARI(Ievalseq, U32, 0) /* eval sequence number */
240 PERLVAR(Iorigenviron, char **)
241 PERLVAR(Iorigalen, U32)
242 PERLVAR(Ipidstatus, HV *) /* pid-to-status mappings for waitpid */
243 PERLVARI(Imaxo, int, MAXO) /* maximum number of ops */
244 PERLVAR(Iosname, char *) /* operating system */
246 PERLVAR(Isighandlerp, Sighandler_t)
248 PERLVAR(Ixnv_root, NV *) /* free xnv list */
249 PERLVAR(Ixpv_root, xpv_allocated *) /* free xpv list */
250 PERLVAR(Ixpviv_root, xpviv_allocated *) /* free xpviv list */
251 PERLVAR(Ixpvnv_root, XPVNV *) /* free xpvnv list */
252 PERLVAR(Ixpvcv_root, XPVCV *) /* free xpvcv list */
253 PERLVAR(Ixpvav_root, xpvav_allocated *) /* free xpvav list */
254 PERLVAR(Ixpvhv_root, xpvhv_allocated *) /* free xpvhv list */
255 PERLVAR(Ixpvmg_root, XPVMG *) /* free xpvmg list */
256 PERLVAR(Ixpvgv_root, XPVGV *) /* free xpvgv list */
257 PERLVAR(Ixpvlv_root, XPVLV *) /* free xpvlv list */
258 PERLVAR(Ixpvbm_root, XPVBM *) /* free xpvbm list */
259 PERLVAR(Ihe_root, HE *) /* free he list */
260 #if defined(USE_ITHREADS)
261 PERLVAR(Ipte_root, struct ptr_tbl_ent *) /* free ptr_tbl_ent list */
263 PERLVAR(Inice_chunk, char *) /* a nice chunk of memory to reuse */
264 PERLVAR(Inice_chunk_size, U32) /* how nice the chunk of memory is */
266 PERLVARI(Irunops, runops_proc_t, MEMBER_TO_FPTR(RUNOPS_DEFAULT))
268 PERLVARA(Itokenbuf,256, char)
271 =for apidoc Amn|SV|PL_sv_undef
272 This is the C<undef> SV. Always refer to this as C<&PL_sv_undef>.
274 =for apidoc Amn|SV|PL_sv_no
275 This is the C<false> SV. See C<PL_sv_yes>. Always refer to this as
278 =for apidoc Amn|SV|PL_sv_yes
279 This is the C<true> SV. See C<PL_sv_no>. Always refer to this as
285 PERLVAR(Isv_undef, SV)
290 PERLVARI(Icshname, const char *, CSH)
291 PERLVARI(Icshlen, I32, 0)
294 PERLVAR(Ilex_state, U32) /* next token is determined */
295 PERLVAR(Ilex_defer, U32) /* state after determined token */
296 PERLVAR(Ilex_expect, int) /* expect after determined token */
297 PERLVAR(Ilex_brackets, I32) /* bracket count */
298 PERLVAR(Ilex_formbrack, I32) /* bracket count at outer format level */
299 PERLVAR(Ilex_casemods, I32) /* casemod count */
300 PERLVAR(Ilex_dojoin, I32) /* doing an array interpolation */
301 PERLVAR(Ilex_starts, I32) /* how many interps done on level */
302 PERLVAR(Ilex_stuff, SV *) /* runtime pattern from m// or s/// */
303 PERLVAR(Ilex_repl, SV *) /* runtime replacement from s/// */
304 PERLVAR(Ilex_op, OP *) /* extra info to pass back on op */
305 PERLVAR(Ilex_inpat, OP *) /* in pattern $) and $| are special */
306 PERLVAR(Ilex_inwhat, I32) /* what kind of quoting are we in */
307 PERLVAR(Ilex_brackstack,char *) /* what kind of brackets to pop */
308 PERLVAR(Ilex_casestack, char *) /* what kind of case mods in effect */
310 /* What we know when we're in LEX_KNOWNEXT state. */
311 PERLVARA(Inextval,5, YYSTYPE) /* value of next token, if any */
312 PERLVARA(Inexttype,5, I32) /* type of next token */
313 PERLVAR(Inexttoke, I32)
315 PERLVAR(Ilinestr, SV *)
316 PERLVAR(Ibufptr, char *)
317 PERLVAR(Ioldbufptr, char *)
318 PERLVAR(Ioldoldbufptr, char *)
319 PERLVAR(Ibufend, char *)
320 PERLVARI(Iexpect,int, XSTATE) /* how to interpret ambiguous tokens */
322 PERLVAR(Imulti_start, I32) /* 1st line of multi-line string */
323 PERLVAR(Imulti_end, I32) /* last line of multi-line string */
324 PERLVAR(Imulti_open, I32) /* delimiter of said string */
325 PERLVAR(Imulti_close, I32) /* delimiter of said string */
327 PERLVAR(Ierror_count, I32) /* how many errors so far, max 10 */
328 PERLVAR(Isubline, I32) /* line this subroutine began on */
329 PERLVAR(Isubname, SV *) /* name of current subroutine */
331 PERLVAR(Imin_intro_pending, I32) /* start of vars to introduce */
332 PERLVAR(Imax_intro_pending, I32) /* end of vars to introduce */
333 PERLVAR(Ipadix, I32) /* max used index in current "register" pad */
334 PERLVAR(Ipadix_floor, I32) /* how low may inner block reset padix */
335 PERLVAR(Ipad_reset_pending, I32) /* reset pad on next attempted alloc */
337 PERLVAR(Ilast_uni, char *) /* position of last named-unary op */
338 PERLVAR(Ilast_lop, char *) /* position of last list operator */
339 PERLVAR(Ilast_lop_op, OPCODE) /* last list operator */
340 PERLVAR(Iin_my, I32) /* we're compiling a "my" (or "our") declaration */
341 PERLVAR(Iin_my_stash, HV *) /* declared class of this "my" declaration */
343 PERLVARI(Icryptseen, bool, FALSE) /* has fast crypt() been initialized? */
346 PERLVAR(Ihints, U32) /* pragma-tic compile-time flags */
348 PERLVAR(Idebug, VOL U32) /* flags given to -D switch */
350 PERLVARI(Iamagic_generation, long, 0)
352 #ifdef USE_LOCALE_COLLATE
353 PERLVARI(Icollation_ix, U32, 0) /* Collation generation index */
354 PERLVAR(Icollation_name,char *) /* Name of current collation */
355 PERLVARI(Icollation_standard, bool, TRUE)
356 /* Assume simple collation */
357 PERLVAR(Icollxfrm_base, Size_t) /* Basic overhead in *xfrm() */
358 PERLVARI(Icollxfrm_mult,Size_t, 2) /* Expansion factor in *xfrm() */
359 #endif /* USE_LOCALE_COLLATE */
361 #ifdef USE_LOCALE_NUMERIC
363 PERLVAR(Inumeric_name, char *) /* Name of current numeric locale */
364 PERLVARI(Inumeric_standard, bool, TRUE)
365 /* Assume simple numerics */
366 PERLVARI(Inumeric_local, bool, TRUE)
367 /* Assume local numerics */
369 PERLVAR(Inumeric_compat1, char)
370 /* Used to be numeric_radix */
371 #endif /* !USE_LOCALE_NUMERIC */
373 /* utf8 character classes */
374 PERLVAR(Iutf8_alnum, SV *)
375 PERLVAR(Iutf8_alnumc, SV *)
376 PERLVAR(Iutf8_ascii, SV *)
377 PERLVAR(Iutf8_alpha, SV *)
378 PERLVAR(Iutf8_space, SV *)
379 PERLVAR(Iutf8_cntrl, SV *)
380 PERLVAR(Iutf8_graph, SV *)
381 PERLVAR(Iutf8_digit, SV *)
382 PERLVAR(Iutf8_upper, SV *)
383 PERLVAR(Iutf8_lower, SV *)
384 PERLVAR(Iutf8_print, SV *)
385 PERLVAR(Iutf8_punct, SV *)
386 PERLVAR(Iutf8_xdigit, SV *)
387 PERLVAR(Iutf8_mark, SV *)
388 PERLVAR(Iutf8_toupper, SV *)
389 PERLVAR(Iutf8_totitle, SV *)
390 PERLVAR(Iutf8_tolower, SV *)
391 PERLVAR(Iutf8_tofold, SV *)
392 PERLVAR(Ilast_swash_hv, HV *)
393 PERLVAR(Ilast_swash_klen, U32)
394 PERLVARA(Ilast_swash_key,10, U8)
395 PERLVAR(Ilast_swash_tmps, U8 *)
396 PERLVAR(Ilast_swash_slen, STRLEN)
398 /* perly.c globals */
399 PERLVAR(Iyycharp, int *)
400 PERLVAR(Iyylvalp, YYSTYPE *)
402 PERLVARI(Iglob_index, int, 0)
403 PERLVAR(Isrand_called, bool)
404 PERLVARA(Iuudmap,256, char)
405 PERLVAR(Ibitcount, char *)
407 PERLVAR(Ipsig_ptr, SV**)
408 PERLVAR(Ipsig_name, SV**)
410 #if defined(PERL_IMPLICIT_SYS)
411 PERLVAR(IMem, struct IPerlMem*)
412 PERLVAR(IMemShared, struct IPerlMem*)
413 PERLVAR(IMemParse, struct IPerlMem*)
414 PERLVAR(IEnv, struct IPerlEnv*)
415 PERLVAR(IStdIO, struct IPerlStdIO*)
416 PERLVAR(ILIO, struct IPerlLIO*)
417 PERLVAR(IDir, struct IPerlDir*)
418 PERLVAR(ISock, struct IPerlSock*)
419 PERLVAR(IProc, struct IPerlProc*)
422 #if defined(USE_ITHREADS)
423 PERLVAR(Iptr_table, PTR_TBL_t*)
425 PERLVARI(Ibeginav_save, AV*, Nullav) /* save BEGIN{}s when compiling */
427 PERLVAR(Ixnv_arenaroot, XPV*) /* list of allocated xnv areas */
428 PERLVAR(Ixpv_arenaroot, xpv_allocated *) /* list of allocated xpv areas */
429 PERLVAR(Ixpviv_arenaroot,xpviv_allocated*) /* list of allocated xpviv areas */
430 PERLVAR(Ixpvnv_arenaroot,XPVNV*) /* list of allocated xpvnv areas */
431 PERLVAR(Ixpvcv_arenaroot,XPVCV*) /* list of allocated xpvcv areas */
432 PERLVAR(Ixpvav_arenaroot,xpvav_allocated*) /* list of allocated xpvav areas */
433 PERLVAR(Ixpvhv_arenaroot,xpvhv_allocated*) /* list of allocated xpvhv areas */
434 PERLVAR(Ixpvmg_arenaroot,XPVMG*) /* list of allocated xpvmg areas */
435 PERLVAR(Ixpvgv_arenaroot,XPVGV*) /* list of allocated xpvgv areas */
436 PERLVAR(Ixpvlv_arenaroot,XPVLV*) /* list of allocated xpvlv areas */
437 PERLVAR(Ixpvbm_arenaroot,XPVBM*) /* list of allocated xpvbm areas */
438 PERLVAR(Ihe_arenaroot, HE *) /* list of allocated he areas */
439 #if defined(USE_ITHREADS)
440 PERLVAR(Ipte_arenaroot, struct ptr_tbl_ent *) /* list of allocated pte areas */
442 /* 5.6.0 stopped here */
444 PERLVAR(Ipsig_pend, int *) /* per-signal "count" of pending */
445 PERLVARI(Isig_pending, int,0) /* Number if highest signal pending */
447 #ifdef USE_LOCALE_NUMERIC
449 PERLVAR(Inumeric_radix_sv, SV *) /* The radix separator if not '.' */
453 #if defined(USE_ITHREADS)
454 PERLVAR(Iregex_pad, SV**) /* All regex objects */
455 PERLVAR(Iregex_padav, AV*) /* All regex objects */
459 #ifdef USE_REENTRANT_API
460 PERLVAR(Ireentrant_buffer, REENTR*) /* here we store the _r buffers */
463 PERLVARI(Isavebegin, bool, FALSE) /* save BEGINs for compiler */
465 PERLVAR(Icustom_op_names, HV*) /* Names of user defined ops */
466 PERLVAR(Icustom_op_descs, HV*) /* Descriptions of user defined ops */
469 PERLVARI(Iperlio, PerlIO *,NULL)
470 PERLVARI(Iknown_layers, PerlIO_list_t *,NULL)
471 PERLVARI(Idef_layerlist, PerlIO_list_t *,NULL)
474 PERLVARI(Iencoding, SV*, Nullsv) /* character encoding */
476 PERLVAR(Idebug_pad, struct perl_debug_pad) /* always needed because of the re extension */
478 PERLVAR(Itaint_warn, bool) /* taint warns instead of dying */
480 #ifdef PL_OP_SLAB_ALLOC
481 PERLVAR(IOpPtr,I32 **)
482 PERLVARI(IOpSpace,I32,0)
483 PERLVAR(IOpSlab,I32 *)
486 PERLVAR(Iutf8locale, bool) /* utf8 locale detected */
488 PERLVAR(Iutf8_idstart, SV *)
489 PERLVAR(Iutf8_idcont, SV *)
491 PERLVAR(Isort_RealCmp, SVCOMPARE_t)
493 PERLVARI(Icheckav_save, AV*, Nullav) /* save CHECK{}s when compiling */
495 PERLVARI(Iclocktick, long, 0) /* this many times() ticks in a second */
497 PERLVARI(Iin_load_module, int, 0) /* to prevent recursions in PerlIO_find_layer */
499 PERLVAR(Iunicode, U32) /* Unicode features: $ENV{PERL_UNICODE} or -C */
501 PERLVAR(Isignals, U32) /* Using which pre-5.8 signals */
503 PERLVAR(Istashcache, HV *) /* Cache to speed up S_method_common */
505 PERLVAR(Ireentrant_retint, int) /* Integer return value from reentrant functions */
507 /* Hooks to shared SVs and locks. */
508 PERLVARI(Isharehook, share_proc_t, MEMBER_TO_FPTR(Perl_sv_nosharing))
509 PERLVARI(Ilockhook, share_proc_t, MEMBER_TO_FPTR(Perl_sv_nolocking))
510 PERLVARI(Iunlockhook, share_proc_t, MEMBER_TO_FPTR(Perl_sv_nounlocking))
511 PERLVARI(Ithreadhook, thrhook_proc_t, MEMBER_TO_FPTR(Perl_nothreadhook))
513 /* Force inclusion of both runops options */
514 PERLVARI(Irunops_std, runops_proc_t, MEMBER_TO_FPTR(Perl_runops_standard))
515 PERLVARI(Irunops_dbg, runops_proc_t, MEMBER_TO_FPTR(Perl_runops_debug))
517 /* Stores the PPID */
518 #ifdef THREADS_HAVE_PIDS
519 PERLVARI(Ippid, IV, 0)
522 PERLVARI(Ihash_seed, UV, 0) /* Hash initializer */
524 PERLVARI(Ihash_seed_set, bool, FALSE) /* Hash initialized? */
526 PERLVAR(IDBassertion, SV *)
528 PERLVARI(Icv_has_eval, I32, 0) /* PL_compcv includes an entereval or similar */
530 PERLVARI(Irehash_seed, UV, 0) /* 582 hash initializer */
532 PERLVARI(Irehash_seed_set, bool, FALSE) /* 582 hash initialized? */
534 /* These two variables are needed to preserve 5.8.x bincompat because we can't
535 change function prototypes of two exported functions. Probably should be
536 taken out of blead soon, and relevant prototypes changed. */
537 PERLVARI(Ifdscript, int, -1) /* fd for script */
538 PERLVARI(Isuidscript, int, -1) /* fd for suid script */
539 #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
540 /* File descriptor to talk to the child which dumps scalars. */
541 PERLVARI(Idumper_fd, int, -1)
543 /* New variables must be added to the very end, before this comment,
544 * for binary compatibility (the offsets of the old members must not change).
545 * (Don't forget to add your variable also to perl_clone()!)
546 * XSUB.h provides wrapper functions via perlapi.h that make this
547 * irrelevant, but not all code may be expected to #include XSUB.h.