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907b3e23 DM |
1 | /* intrpvar.h |
2 | * | |
3 | * Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, | |
1129b882 | 4 | * 2006, 2007, 2008 by Larry Wall and others |
907b3e23 DM |
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 | ||
e3d474b7 KW |
11 | #include "handy.h" |
12 | ||
907b3e23 DM |
13 | /* |
14 | =head1 Per-Interpreter Variables | |
15 | */ | |
49f531da | 16 | |
907b3e23 DM |
17 | /* These variables are per-interpreter in threaded/multiplicity builds, |
18 | * global otherwise. | |
19 | ||
d7cb65f2 | 20 | * Don't forget to re-run regen/embed.pl to propagate changes! */ |
cb68f92d | 21 | |
ab686ae8 | 22 | /* New variables must be added to the very end for binary compatibility. */ |
6537fe72 | 23 | |
b8393ac7 | 24 | /* DON'T FORGET to add your variable also to perl_clone()! (in sv.c) */ |
02506efe | 25 | |
cb68f92d GS |
26 | /* The 'I' prefix is only needed for vars that need appropriate #defines |
27 | * generated when built with or without MULTIPLICITY. It is also used | |
97df044c KW |
28 | * to generate the appropriate export list for win32. If the variable |
29 | * needs to be initialized, use PERLVARI. | |
cb68f92d | 30 | * |
907b3e23 DM |
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 | ||
115ff745 | 35 | PERLVAR(I, stack_sp, SV **) /* top of the stack */ |
115ff745 | 36 | PERLVAR(I, op, OP *) /* currently executing op */ |
115ff745 | 37 | PERLVAR(I, curpad, SV **) /* active pad (lexicals+tmps) */ |
907b3e23 | 38 | |
115ff745 NC |
39 | PERLVAR(I, stack_base, SV **) |
40 | PERLVAR(I, stack_max, SV **) | |
907b3e23 | 41 | |
115ff745 | 42 | PERLVAR(I, savestack, ANY *) /* items that need to be restored when |
907b3e23 | 43 | LEAVEing scopes we've ENTERed */ |
115ff745 NC |
44 | PERLVAR(I, savestack_ix, I32) |
45 | PERLVAR(I, savestack_max, I32) | |
46 | ||
19bc2726 DM |
47 | PERLVAR(I, scopestack, I32 *) /* scopes we've ENTERed */ |
48 | PERLVAR(I, scopestack_ix, I32) | |
49 | PERLVAR(I, scopestack_max, I32) | |
50 | ||
115ff745 | 51 | PERLVAR(I, tmps_stack, SV **) /* mortals we've made */ |
e8eb279c FC |
52 | PERLVARI(I, tmps_ix, SSize_t, -1) |
53 | PERLVARI(I, tmps_floor, SSize_t, -1) | |
ba367634 | 54 | PERLVAR(I, tmps_max, SSize_t) /* first unalloced slot in tmps stack */ |
19bc2726 DM |
55 | |
56 | PERLVARI(I, sub_generation, U32, 1) /* incr to invalidate method cache */ | |
907b3e23 | 57 | |
115ff745 | 58 | PERLVAR(I, markstack, I32 *) /* stack_sp locations we're |
907b3e23 | 59 | remembering */ |
115ff745 NC |
60 | PERLVAR(I, markstack_ptr, I32 *) |
61 | PERLVAR(I, markstack_max, I32 *) | |
907b3e23 | 62 | |
6a5b4183 YO |
63 | #ifdef PERL_HASH_RANDOMIZE_KEYS |
64 | #ifdef USE_PERL_PERTURB_KEYS | |
65 | PERLVARI(I, hash_rand_bits_enabled, U8, 1) /* used to randomize hash stuff 0 == no-random, 1 == random, 2 == determinsitic */ | |
66 | #endif | |
0e0ab621 | 67 | PERLVARI(I, hash_rand_bits, UV, 0) /* used to randomize hash stuff */ |
6a5b4183 | 68 | #endif |
19bc2726 | 69 | PERLVAR(I, strtab, HV *) /* shared string table */ |
fedf30e1 DM |
70 | /* prog counter for the currently executing OP_MULTIDEREF Used to signal |
71 | * to S_find_uninit_var() where we are */ | |
72 | PERLVAR(I, multideref_pc, UNOP_AUX_item *) | |
19bc2726 DM |
73 | |
74 | /* Fields used by magic variables such as $@, $/ and so on */ | |
75 | PERLVAR(I, curpm, PMOP *) /* what to do \ interps in REs from */ | |
5585e758 | 76 | PERLVAR(I, curpm_under, PMOP *) /* what to do \ interps in REs from */ |
19bc2726 | 77 | |
bc2f1ca1 | 78 | PERLVAR(I, tainting, bool) /* ? doing taint checks */ |
d48c660d | 79 | PERLVARI(I, tainted, bool, FALSE) /* using variables controlled by $< */ |
a68090fe DM |
80 | |
81 | /* PL_delaymagic is currently used for two purposes: to assure simultaneous | |
82 | * updates in ($<,$>) = ..., and to assure atomic update in push/unshift | |
83 | * @ISA, It works like this: a few places such as pp_push set the DM_DELAY | |
84 | * flag; then various places such as av_store() skip mg_set(ary) if this | |
85 | * flag is set, and various magic vtable methods set flags like | |
86 | * DM_ARRAY_ISA if they've seen something of that ilk. Finally when | |
87 | * control returns to pp_push or whatever, it sees if any of those flags | |
88 | * have been set, and if so finally calls mg_set(). | |
89 | * | |
90 | * NB: PL_delaymagic is automatically saved and restored by JUMPENV_PUSH | |
91 | * / POP. This removes the need to do ENTER/SAVEI16(PL_delaymagic)/LEAVE | |
92 | * in hot code like pp_push. | |
93 | */ | |
19bc2726 | 94 | PERLVAR(I, delaymagic, U16) /* ($<,$>) = ... */ |
a68090fe | 95 | |
1172c104 TC |
96 | /* |
97 | =for apidoc Amn|GV *|PL_defgv | |
98 | ||
99 | The GV representing C<*_>. Useful for access to C<$_>. | |
100 | ||
101 | =cut | |
102 | */ | |
103 | ||
19bc2726 DM |
104 | PERLVAR(I, localizing, U8) /* are we processing a local() list? */ |
105 | PERLVAR(I, in_eval, U8) /* trap "fatal" errors? */ | |
3f44dc81 | 106 | PERLVAR(I, defgv, GV *) /* the *_ glob */ |
19bc2726 DM |
107 | /* |
108 | ||
b5282d7c | 109 | =for apidoc mn|U8|PL_dowarn |
19bc2726 | 110 | |
b5282d7c AC |
111 | The C variable that roughly corresponds to Perl's C<$^W> warning variable. |
112 | However, C<$^W> is treated as a boolean, whereas C<PL_dowarn> is a | |
113 | collection of flag bits. | |
19bc2726 DM |
114 | |
115 | =cut | |
116 | */ | |
117 | ||
118 | PERLVAR(I, dowarn, U8) | |
119 | ||
120 | #if defined (PERL_UTF8_CACHE_ASSERT) || defined (DEBUGGING) | |
121 | # define PERL___I -1 | |
122 | #else | |
123 | # define PERL___I 1 | |
124 | #endif | |
125 | PERLVARI(I, utf8cache, I8, PERL___I) /* Is the utf8 caching code enabled? */ | |
126 | #undef PERL___I | |
127 | ||
c07b34e4 TC |
128 | /* |
129 | =for apidoc Amn|HV*|PL_curstash | |
130 | ||
131 | The stash for the package code will be compiled into. | |
132 | ||
133 | =cut | |
134 | */ | |
19bc2726 DM |
135 | |
136 | /* Stashes */ | |
137 | PERLVAR(I, defstash, HV *) /* main symbol table */ | |
138 | PERLVAR(I, curstash, HV *) /* symbol table for current package */ | |
139 | ||
20fbb8c2 TC |
140 | /* |
141 | =for apidoc Amn|COP*|PL_curcop | |
142 | ||
143 | The currently active COP (control op) roughly representing the current | |
144 | statement in the source. | |
145 | ||
146 | =cut | |
147 | */ | |
148 | ||
19bc2726 DM |
149 | PERLVAR(I, curcop, COP *) |
150 | PERLVAR(I, curstack, AV *) /* THE STACK */ | |
151 | PERLVAR(I, curstackinfo, PERL_SI *) /* current stack + context */ | |
152 | PERLVAR(I, mainstack, AV *) /* the stack when nothing funny is | |
153 | happening */ | |
154 | ||
155 | /* memory management */ | |
156 | PERLVAR(I, sv_count, IV) /* how many SV* are currently allocated */ | |
19bc2726 DM |
157 | |
158 | PERLVAR(I, sv_root, SV *) /* storage for SVs belonging to interp */ | |
159 | PERLVAR(I, sv_arenaroot, SV *) /* list of areas for garbage collection */ | |
160 | ||
f65e70f5 DM |
161 | /* fake PMOP that PL_curpm points to while in (?{}) so $1 et al are visible */ |
162 | PERLVARI(I, reg_curpm, PMOP*, NULL) | |
163 | ||
19bc2726 | 164 | /* the currently active slab in a chain of slabs of regmatch states, |
87c1d905 DM |
165 | * and the currently active state within that slab. This stack of states |
166 | * is shared amongst re-entrant calls to the regex engine */ | |
19bc2726 DM |
167 | |
168 | PERLVARI(I, regmatch_slab, regmatch_slab *, NULL) | |
169 | PERLVAR(I, regmatch_state, regmatch_state *) | |
170 | ||
171 | PERLVAR(I, comppad, PAD *) /* storage for lexically scoped temporaries */ | |
172 | ||
173 | /* | |
174 | =for apidoc Amn|SV|PL_sv_undef | |
175 | This is the C<undef> SV. Always refer to this as C<&PL_sv_undef>. | |
176 | ||
177 | =for apidoc Amn|SV|PL_sv_no | |
fbe13c60 | 178 | This is the C<false> SV. See C<L</PL_sv_yes>>. Always refer to this as |
19bc2726 DM |
179 | C<&PL_sv_no>. |
180 | ||
181 | =for apidoc Amn|SV|PL_sv_yes | |
fbe13c60 | 182 | This is the C<true> SV. See C<L</PL_sv_no>>. Always refer to this as |
19bc2726 DM |
183 | C<&PL_sv_yes>. |
184 | ||
5a6c2837 DM |
185 | =for apidoc Amn|SV|PL_sv_zero |
186 | This readonly SV has a zero numeric value and a C<"0"> string value. It's | |
187 | similar to C<L</PL_sv_no>> except for its string value. Can be used as a | |
188 | cheap alternative to C<mXPUSHi(0)> for example. Always refer to this as | |
189 | C<&PL_sv_zero>. Introduced in 5.28. | |
190 | ||
19bc2726 DM |
191 | =cut |
192 | */ | |
193 | ||
7c123f9d DM |
194 | #ifdef MULTIPLICITY |
195 | PERLVAR(I, sv_yes, SV) | |
19bc2726 DM |
196 | PERLVAR(I, sv_undef, SV) |
197 | PERLVAR(I, sv_no, SV) | |
5a6c2837 | 198 | PERLVAR(I, sv_zero, SV) |
7c123f9d DM |
199 | #else |
200 | /* store the immortals as an array to ensure they are contiguous in | |
201 | * memory: makes SvIMMORTAL_INTERP(sv) possible */ | |
202 | PERLVARA(I, sv_immortals, 4, SV) | |
203 | #endif | |
5a6c2837 | 204 | |
12d375ea FC |
205 | PERLVAR(I, padname_undef, PADNAME) |
206 | PERLVAR(I, padname_const, PADNAME) | |
115ff745 | 207 | PERLVAR(I, Sv, SV *) /* used to hold temporary values */ |
19bc2726 DM |
208 | PERLVAR(I, parser, yy_parser *) /* current parser state */ |
209 | ||
210 | PERLVAR(I, stashcache, HV *) /* Cache to speed up S_method_common */ | |
211 | ||
907b3e23 DM |
212 | |
213 | /* | |
214 | =for apidoc Amn|STRLEN|PL_na | |
215 | ||
216 | A convenience variable which is typically used with C<SvPV> when one | |
217 | doesn't care about the length of the string. It is usually more efficient | |
218 | to either declare a local variable and use that instead or to use the | |
219 | C<SvPV_nolen> macro. | |
220 | ||
221 | =cut | |
222 | */ | |
223 | ||
115ff745 | 224 | PERLVAR(I, na, STRLEN) /* for use in SvPV when length is |
907b3e23 DM |
225 | Not Applicable */ |
226 | ||
227 | /* stat stuff */ | |
115ff745 NC |
228 | PERLVAR(I, statcache, Stat_t) /* _ */ |
229 | PERLVAR(I, statgv, GV *) | |
230 | PERLVARI(I, statname, SV *, NULL) | |
907b3e23 | 231 | |
907b3e23 DM |
232 | /* |
233 | =for apidoc mn|SV*|PL_rs | |
234 | ||
235 | The input record separator - C<$/> in Perl space. | |
236 | ||
237 | =for apidoc mn|GV*|PL_last_in_gv | |
238 | ||
154e47c8 | 239 | The GV which was last used for a filehandle input operation. (C<< <FH> >>) |
907b3e23 | 240 | |
e23d9e2f | 241 | =for apidoc mn|GV*|PL_ofsgv |
907b3e23 | 242 | |
e23d9e2f | 243 | The glob containing the output field separator - C<*,> in Perl space. |
907b3e23 DM |
244 | |
245 | =cut | |
246 | */ | |
247 | ||
115ff745 NC |
248 | PERLVAR(I, rs, SV *) /* input record separator $/ */ |
249 | PERLVAR(I, last_in_gv, GV *) /* GV used in last <FH> */ | |
250 | PERLVAR(I, ofsgv, GV *) /* GV of output field separator *, */ | |
251 | PERLVAR(I, defoutgv, GV *) /* default FH for output */ | |
252 | PERLVARI(I, chopset, const char *, " \n-") /* $: */ | |
253 | PERLVAR(I, formtarget, SV *) | |
254 | PERLVAR(I, bodytarget, SV *) | |
255 | PERLVAR(I, toptarget, SV *) | |
907b3e23 | 256 | |
115ff745 NC |
257 | |
258 | PERLVAR(I, restartop, OP *) /* propagating an error from croak? */ | |
259 | PERLVAR(I, restartjmpenv, JMPENV *) /* target frame for longjmp in die */ | |
907b3e23 | 260 | |
115ff745 NC |
261 | PERLVAR(I, top_env, JMPENV *) /* ptr to current sigjmp environment */ |
262 | PERLVAR(I, start_env, JMPENV) /* empty startup sigjmp environment */ | |
263 | PERLVARI(I, errors, SV *, NULL) /* outstanding queued errors */ | |
907b3e23 DM |
264 | |
265 | /* statics "owned" by various functions */ | |
115ff745 | 266 | PERLVAR(I, hv_fetch_ent_mh, HE*) /* owned by hv_fetch_ent() */ |
907b3e23 | 267 | |
115ff745 | 268 | PERLVAR(I, lastgotoprobe, OP*) /* from pp_ctl.c */ |
907b3e23 DM |
269 | |
270 | /* sort stuff */ | |
115ff745 NC |
271 | PERLVAR(I, sortcop, OP *) /* user defined sort routine */ |
272 | PERLVAR(I, sortstash, HV *) /* which is in some package or other */ | |
273 | PERLVAR(I, firstgv, GV *) /* $a */ | |
274 | PERLVAR(I, secondgv, GV *) /* $b */ | |
907b3e23 DM |
275 | |
276 | /* float buffer */ | |
115ff745 NC |
277 | PERLVAR(I, efloatbuf, char *) |
278 | PERLVAR(I, efloatsize, STRLEN) | |
907b3e23 | 279 | |
115ff745 | 280 | PERLVARI(I, dumpindent, U16, 4) /* number of blanks per dump |
907b3e23 DM |
281 | indentation level */ |
282 | ||
7b93aae2 TC |
283 | /* |
284 | =for apidoc Amn|U8|PL_exit_flags | |
285 | ||
286 | Contains flags controlling perl's behaviour on exit(): | |
287 | ||
288 | =over | |
289 | ||
290 | =item * C<PERL_EXIT_DESTRUCT_END> | |
291 | ||
292 | If set, END blocks are executed when the interpreter is destroyed. | |
293 | This is normally set by perl itself after the interpreter is | |
294 | constructed. | |
295 | ||
296 | =item * C<PERL_EXIT_ABORT> | |
297 | ||
298 | Call C<abort()> on exit. This is used internally by perl itself to | |
299 | abort if exit is called while processing exit. | |
300 | ||
301 | =item * C<PERL_EXIT_WARN> | |
302 | ||
303 | Warn on exit. | |
304 | ||
305 | =item * C<PERL_EXIT_EXPECTED> | |
306 | ||
307 | Set by the L<perlfunc/exit> operator. | |
308 | ||
309 | =back | |
310 | ||
311 | =cut | |
312 | */ | |
313 | ||
e914d9bb | 314 | PERLVAR(I, exit_flags, U8) /* was exit() unexpected, etc. */ |
157b3822 | 315 | |
115ff745 | 316 | PERLVAR(I, utf8locale, bool) /* utf8 locale detected */ |
31f05a37 | 317 | PERLVAR(I, in_utf8_CTYPE_locale, bool) |
165a1c52 | 318 | PERLVAR(I, in_utf8_COLLATE_locale, bool) |
b8df1494 | 319 | PERLVAR(I, in_utf8_turkic_locale, bool) |
bffa51e2 | 320 | #if defined(USE_ITHREADS) && ! defined(USE_THREAD_SAFE_LOCALE) |
49d7d366 | 321 | PERLVARI(I, lc_numeric_mutex_depth, int, 0) /* Emulate general semaphore */ |
bffa51e2 | 322 | #endif |
47280b20 KW |
323 | PERLVARA(I, locale_utf8ness, 256, char) |
324 | ||
5b7de470 KW |
325 | #ifdef USE_LOCALE_CTYPE |
326 | PERLVAR(I, warn_locale, SV *) | |
327 | #endif | |
907b3e23 | 328 | |
87c1d905 | 329 | PERLVARA(I, colors,6, char *) /* values from PERL_RE_COLORS env var */ |
907b3e23 | 330 | |
9ea12537 Z |
331 | /* |
332 | =for apidoc Amn|peep_t|PL_peepp | |
333 | ||
334 | Pointer to the per-subroutine peephole optimiser. This is a function | |
335 | that gets called at the end of compilation of a Perl subroutine (or | |
336 | equivalently independent piece of Perl code) to perform fixups of | |
337 | some ops and to perform small-scale optimisations. The function is | |
338 | called once for each subroutine that is compiled, and is passed, as sole | |
339 | parameter, a pointer to the op that is the entry point to the subroutine. | |
340 | It modifies the op tree in place. | |
341 | ||
342 | The peephole optimiser should never be completely replaced. Rather, | |
343 | add code to it by wrapping the existing optimiser. The basic way to do | |
344 | this can be seen in L<perlguts/Compile pass 3: peephole optimization>. | |
345 | If the new code wishes to operate on ops throughout the subroutine's | |
346 | structure, rather than just at the top level, it is likely to be more | |
347 | convenient to wrap the L</PL_rpeepp> hook. | |
348 | ||
349 | =cut | |
350 | */ | |
351 | ||
115ff745 | 352 | PERLVARI(I, peepp, peep_t, Perl_peep) |
9ea12537 Z |
353 | |
354 | /* | |
355 | =for apidoc Amn|peep_t|PL_rpeepp | |
356 | ||
357 | Pointer to the recursive peephole optimiser. This is a function | |
358 | that gets called at the end of compilation of a Perl subroutine (or | |
359 | equivalently independent piece of Perl code) to perform fixups of some | |
360 | ops and to perform small-scale optimisations. The function is called | |
361 | once for each chain of ops linked through their C<op_next> fields; | |
362 | it is recursively called to handle each side chain. It is passed, as | |
363 | sole parameter, a pointer to the op that is at the head of the chain. | |
364 | It modifies the op tree in place. | |
365 | ||
366 | The peephole optimiser should never be completely replaced. Rather, | |
367 | add code to it by wrapping the existing optimiser. The basic way to do | |
368 | this can be seen in L<perlguts/Compile pass 3: peephole optimization>. | |
369 | If the new code wishes to operate only on ops at a subroutine's top level, | |
370 | rather than throughout the structure, it is likely to be more convenient | |
371 | to wrap the L</PL_peepp> hook. | |
372 | ||
373 | =cut | |
374 | */ | |
375 | ||
115ff745 | 376 | PERLVARI(I, rpeepp, peep_t, Perl_rpeep) |
907b3e23 | 377 | |
2f175318 VP |
378 | /* |
379 | =for apidoc Amn|Perl_ophook_t|PL_opfreehook | |
380 | ||
381 | When non-C<NULL>, the function pointed by this variable will be called each time an OP is freed with the corresponding OP as the argument. | |
382 | This allows extensions to free any extra attribute they have locally attached to an OP. | |
383 | It is also assured to first fire for the parent OP and then for its kids. | |
384 | ||
385 | When you replace this variable, it is considered a good practice to store the possibly previously installed hook and that you recall it inside your own. | |
386 | ||
387 | =cut | |
388 | */ | |
389 | ||
115ff745 | 390 | PERLVARI(I, opfreehook, Perl_ophook_t, 0) /* op_free() hook */ |
f37b8c3f | 391 | |
115ff745 NC |
392 | PERLVARI(I, watchaddr, char **, 0) |
393 | PERLVAR(I, watchok, char *) | |
907b3e23 | 394 | |
115ff745 | 395 | PERLVAR(I, perldb, U32) |
d95e864f | 396 | |
115ff745 | 397 | PERLVAR(I, signals, U32) /* Using which pre-5.8 signals */ |
30b0736d | 398 | |
79968a97 NC |
399 | PERLVAR(I, reentrant_retint, int) /* Integer return value from reentrant functions */ |
400 | ||
49f531da | 401 | /* pseudo environmental stuff */ |
115ff745 NC |
402 | PERLVAR(I, origargc, int) |
403 | PERLVAR(I, origargv, char **) | |
404 | PERLVAR(I, envgv, GV *) | |
405 | PERLVAR(I, incgv, GV *) | |
406 | PERLVAR(I, hintgv, GV *) | |
407 | PERLVAR(I, origfilename, char *) | |
9a189793 | 408 | PERLVARI(I, xsubfilename, const char *, NULL) |
115ff745 NC |
409 | PERLVAR(I, diehook, SV *) |
410 | PERLVAR(I, warnhook, SV *) | |
1d7c1841 GS |
411 | |
412 | /* switches */ | |
115ff745 | 413 | PERLVAR(I, patchlevel, SV *) |
115ff745 NC |
414 | PERLVAR(I, localpatches, const char * const *) |
415 | PERLVARI(I, splitstr, const char *, " ") | |
416 | ||
417 | PERLVAR(I, minus_c, bool) | |
418 | PERLVAR(I, minus_n, bool) | |
419 | PERLVAR(I, minus_p, bool) | |
420 | PERLVAR(I, minus_l, bool) | |
421 | PERLVAR(I, minus_a, bool) | |
422 | PERLVAR(I, minus_F, bool) | |
423 | PERLVAR(I, doswitches, bool) | |
424 | PERLVAR(I, minus_E, bool) | |
954c1994 | 425 | |
115ff745 NC |
426 | PERLVAR(I, inplace, char *) |
427 | PERLVAR(I, e_script, SV *) | |
49f531da | 428 | |
115ff745 | 429 | PERLVAR(I, basetime, Time_t) /* $^T */ |
d4cce5f1 | 430 | |
115ff745 | 431 | PERLVARI(I, maxsysfd, I32, MAXSYSFD) |
cb68f92d | 432 | /* top fd to pass to subprocesses */ |
115ff745 | 433 | PERLVAR(I, statusvalue, I32) /* $? */ |
49f531da | 434 | #ifdef VMS |
115ff745 | 435 | PERLVAR(I, statusvalue_vms, U32) |
e5218da5 | 436 | #else |
115ff745 | 437 | PERLVAR(I, statusvalue_posix, I32) |
49f531da NIS |
438 | #endif |
439 | ||
115ff745 NC |
440 | PERLVARI(I, sig_pending, int, 0) /* Number if highest signal pending */ |
441 | PERLVAR(I, psig_pend, int *) /* per-signal "count" of pending */ | |
157b3822 | 442 | |
49f531da | 443 | /* shortcuts to various I/O objects */ |
115ff745 NC |
444 | PERLVAR(I, stdingv, GV *) /* *STDIN */ |
445 | PERLVAR(I, stderrgv, GV *) /* *STDERR */ | |
115ff745 NC |
446 | PERLVAR(I, argvgv, GV *) /* *ARGV */ |
447 | PERLVAR(I, argvoutgv, GV *) /* *ARGVOUT */ | |
448 | PERLVAR(I, argvout_stack, AV *) | |
49f531da NIS |
449 | |
450 | /* shortcuts to regexp stuff */ | |
115ff745 | 451 | PERLVAR(I, replgv, GV *) /* *^R */ |
49f531da NIS |
452 | |
453 | /* shortcuts to misc objects */ | |
115ff745 | 454 | PERLVAR(I, errgv, GV *) /* *@ */ |
49f531da NIS |
455 | |
456 | /* shortcuts to debugging objects */ | |
115ff745 NC |
457 | PERLVAR(I, DBgv, GV *) /* *DB::DB */ |
458 | PERLVAR(I, DBline, GV *) /* *DB::line */ | |
954c1994 GS |
459 | |
460 | /* | |
2eb25c99 | 461 | =for apidoc mn|GV *|PL_DBsub |
954c1994 GS |
462 | When Perl is run in debugging mode, with the B<-d> switch, this GV contains |
463 | the SV which holds the name of the sub being debugged. This is the C | |
464 | variable which corresponds to Perl's $DB::sub variable. See | |
fbe13c60 | 465 | C<L</PL_DBsingle>>. |
954c1994 | 466 | |
2eb25c99 | 467 | =for apidoc mn|SV *|PL_DBsingle |
954c1994 | 468 | When Perl is run in debugging mode, with the B<-d> switch, this SV is a |
7889fe52 | 469 | boolean which indicates whether subs are being single-stepped. |
954c1994 GS |
470 | Single-stepping is automatically turned on after every step. This is the C |
471 | variable which corresponds to Perl's $DB::single variable. See | |
fbe13c60 | 472 | C<L</PL_DBsub>>. |
954c1994 | 473 | |
2eb25c99 | 474 | =for apidoc mn|SV *|PL_DBtrace |
954c1994 GS |
475 | Trace variable used when Perl is run in debugging mode, with the B<-d> |
476 | switch. This is the C variable which corresponds to Perl's $DB::trace | |
fbe13c60 | 477 | variable. See C<L</PL_DBsingle>>. |
954c1994 GS |
478 | |
479 | =cut | |
480 | */ | |
481 | ||
115ff745 NC |
482 | PERLVAR(I, DBsub, GV *) /* *DB::sub */ |
483 | PERLVAR(I, DBsingle, SV *) /* $DB::single */ | |
484 | PERLVAR(I, DBtrace, SV *) /* $DB::trace */ | |
485 | PERLVAR(I, DBsignal, SV *) /* $DB::signal */ | |
486 | PERLVAR(I, dbargs, AV *) /* args to call listed by caller function */ | |
49f531da | 487 | |
a6d69523 TC |
488 | PERLVARA(I, DBcontrol, DBVARMG_COUNT, IV) /* IV versions of $DB::single, trace, signal */ |
489 | ||
49f531da | 490 | /* symbol tables */ |
115ff745 NC |
491 | PERLVAR(I, debstash, HV *) /* symbol table for perldb package */ |
492 | PERLVAR(I, globalstash, HV *) /* global keyword overrides imported here */ | |
493 | PERLVAR(I, curstname, SV *) /* name of current package */ | |
494 | PERLVAR(I, beginav, AV *) /* names of BEGIN subroutines */ | |
495 | PERLVAR(I, endav, AV *) /* names of END subroutines */ | |
496 | PERLVAR(I, unitcheckav, AV *) /* names of UNITCHECK subroutines */ | |
497 | PERLVAR(I, checkav, AV *) /* names of CHECK subroutines */ | |
498 | PERLVAR(I, initav, AV *) /* names of INIT subroutines */ | |
49f531da | 499 | |
49f531da | 500 | /* subprocess state */ |
115ff745 | 501 | PERLVAR(I, fdpid, AV *) /* keep fd-to-pid mappings for my_popen */ |
49f531da NIS |
502 | |
503 | /* internal state */ | |
115ff745 | 504 | PERLVARI(I, op_mask, char *, NULL) /* masked operations for safe evals */ |
49f531da | 505 | |
49f531da | 506 | /* current interpreter roots */ |
115ff745 NC |
507 | PERLVAR(I, main_cv, CV *) |
508 | PERLVAR(I, main_root, OP *) | |
509 | PERLVAR(I, main_start, OP *) | |
510 | PERLVAR(I, eval_root, OP *) | |
511 | PERLVAR(I, eval_start, OP *) | |
49f531da NIS |
512 | |
513 | /* runtime control stuff */ | |
115ff745 | 514 | PERLVARI(I, curcopdb, COP *, NULL) |
49f531da | 515 | |
115ff745 NC |
516 | PERLVAR(I, filemode, int) /* so nextargv() can preserve mode */ |
517 | PERLVAR(I, lastfd, int) /* what to preserve mode on */ | |
518 | PERLVAR(I, oldname, char *) /* what to preserve mode on */ | |
00accf8d NC |
519 | /* Elements in this array have ';' appended and are injected as a single line |
520 | into the tokeniser. You can't put any (literal) newlines into any program | |
521 | you stuff in into this array, as the point where it's injected is expecting | |
522 | a single physical line. */ | |
115ff745 NC |
523 | PERLVAR(I, preambleav, AV *) |
524 | PERLVAR(I, mess_sv, SV *) | |
525 | PERLVAR(I, ors_sv, SV *) /* output record separator $\ */ | |
19bc2726 | 526 | |
79968a97 NC |
527 | /* funky return mechanisms */ |
528 | PERLVAR(I, forkprocess, int) /* so do_open |- can return proc# */ | |
529 | ||
71eebe1e | 530 | /* statics moved here for shared library purposes */ |
115ff745 NC |
531 | PERLVARI(I, gensym, I32, 0) /* next symbol for getsym() to define */ |
532 | PERLVARI(I, cv_has_eval, bool, FALSE) /* PL_compcv includes an entereval or similar */ | |
533 | PERLVAR(I, taint_warn, bool) /* taint warns instead of dying */ | |
534 | PERLVARI(I, laststype, U16, OP_STAT) | |
19bc2726 | 535 | |
115ff745 | 536 | PERLVARI(I, laststatval, int, -1) |
d4cce5f1 | 537 | |
19bc2726 DM |
538 | PERLVAR(I, modcount, I32) /* how much op_lvalue()ification in |
539 | assignment? */ | |
540 | ||
4b556e6c | 541 | /* interpreter atexit processing */ |
115ff745 NC |
542 | PERLVARI(I, exitlistlen, I32, 0) /* length of same */ |
543 | PERLVARI(I, exitlist, PerlExitListEntry *, NULL) | |
cb68f92d | 544 | /* list of exit functions */ |
954c1994 GS |
545 | |
546 | /* | |
547 | =for apidoc Amn|HV*|PL_modglobal | |
548 | ||
7889fe52 | 549 | C<PL_modglobal> is a general purpose, interpreter global HV for use by |
954c1994 | 550 | extensions that need to keep information on a per-interpreter basis. |
7889fe52 NIS |
551 | In a pinch, it can also be used as a symbol table for extensions |
552 | to share data among each other. It is a good idea to use keys | |
954c1994 GS |
553 | prefixed by the package name of the extension that owns the data. |
554 | ||
555 | =cut | |
556 | */ | |
557 | ||
115ff745 | 558 | PERLVAR(I, modglobal, HV *) /* per-interp module data */ |
cb68f92d GS |
559 | |
560 | /* these used to be in global before 5.004_68 */ | |
115ff745 | 561 | PERLVARI(I, profiledata, U32 *, NULL) /* table of ops, counts */ |
cb68f92d | 562 | |
115ff745 | 563 | PERLVAR(I, compiling, COP) /* compiling/done executing marker */ |
cb68f92d | 564 | |
115ff745 | 565 | PERLVAR(I, compcv, CV *) /* currently compiling subroutine */ |
36c300bb | 566 | PERLVAR(I, comppad_name, PADNAMELIST *) /* variable names for "my" variables */ |
d12be05d DM |
567 | PERLVAR(I, comppad_name_fill, PADOFFSET)/* last "introduced" variable offset */ |
568 | PERLVAR(I, comppad_name_floor, PADOFFSET)/* start of vars in innermost block */ | |
4b556e6c JD |
569 | |
570 | #ifdef HAVE_INTERP_INTERN | |
115ff745 | 571 | PERLVAR(I, sys_intern, struct interp_intern) |
cb68f92d | 572 | /* platform internals */ |
4b556e6c JD |
573 | #endif |
574 | ||
7fae4e64 | 575 | /* more statics moved here */ |
115ff745 | 576 | PERLVAR(I, DBcv, CV *) /* from perl.c */ |
75010704 DM |
577 | PERLVARI(I, generation, int, 100) /* scan sequence# for OP_AASSIGN |
578 | compile-time common elem detection */ | |
56953603 | 579 | |
19bc2726 DM |
580 | PERLVAR(I, unicode, U32) /* Unicode features: $ENV{PERL_UNICODE} or -C */ |
581 | ||
115ff745 NC |
582 | PERLVARI(I, in_clean_objs,bool, FALSE) /* from sv.c */ |
583 | PERLVARI(I, in_clean_all, bool, FALSE) /* ptrs to freed SVs now legal */ | |
584 | PERLVAR(I, nomemok, bool) /* let malloc context handle nomem */ | |
585 | PERLVARI(I, savebegin, bool, FALSE) /* save BEGINs for compiler */ | |
7fae4e64 | 586 | |
19bc2726 | 587 | |
985213f2 AB |
588 | PERLVAR(I, delaymagic_uid, Uid_t) /* current real user id, only for delaymagic */ |
589 | PERLVAR(I, delaymagic_euid, Uid_t) /* current effective user id, only for delaymagic */ | |
590 | PERLVAR(I, delaymagic_gid, Gid_t) /* current real group id, only for delaymagic */ | |
591 | PERLVAR(I, delaymagic_egid, Gid_t) /* current effective group id, only for delaymagic */ | |
115ff745 | 592 | PERLVARI(I, an, U32, 0) /* malloc sequence number */ |
be2b6a89 | 593 | |
79968a97 NC |
594 | /* Perl_Ibreakable_sub_generation_ptr was too long for VMS, hence "gen" */ |
595 | PERLVARI(I, breakable_sub_gen, U32, 0) | |
596 | ||
be2b6a89 DM |
597 | #ifdef DEBUGGING |
598 | /* exercise wrap-around */ | |
599 | #define PERL_COP_SEQMAX (U32_MAX-50) | |
600 | #else | |
601 | #define PERL_COP_SEQMAX 0 | |
602 | #endif | |
115ff745 | 603 | PERLVARI(I, cop_seqmax, U32, PERL_COP_SEQMAX) /* statement sequence number */ |
be2b6a89 DM |
604 | #undef PERL_COP_SEQMAX |
605 | ||
115ff745 NC |
606 | PERLVARI(I, evalseq, U32, 0) /* eval sequence number */ |
607 | PERLVAR(I, origalen, U32) | |
608 | PERLVAR(I, origenviron, char **) | |
ca0c25f6 | 609 | #ifdef PERL_USES_PL_PIDSTATUS |
115ff745 | 610 | PERLVAR(I, pidstatus, HV *) /* pid-to-status mappings for waitpid */ |
ca0c25f6 | 611 | #endif |
115ff745 | 612 | PERLVAR(I, osname, char *) /* operating system */ |
5c728af0 | 613 | |
115ff745 | 614 | PERLVAR(I, sighandlerp, Sighandler_t) |
0672f40e | 615 | |
115ff745 | 616 | PERLVARA(I, body_roots, PERL_ARENA_ROOTS_SIZE, void*) /* array of body roots */ |
93e68bfb | 617 | |
8162b70e | 618 | PERLVAR(I, debug, volatile U32) /* flags given to -D switch */ |
79968a97 | 619 | |
e897f2d7 | 620 | PERLVARI(I, padlist_generation, U32, 1) /* id to identify padlist clones */ |
9f7da6d5 | 621 | |
a902610b TC |
622 | /* |
623 | =for apidoc Amn|runops_proc_t|PL_runops | |
624 | ||
625 | See L<perlguts/Pluggable runops>. | |
626 | ||
627 | =cut | |
628 | */ | |
629 | ||
115ff745 | 630 | PERLVARI(I, runops, runops_proc_t, RUNOPS_DEFAULT) |
0672f40e | 631 | |
115ff745 | 632 | PERLVAR(I, subname, SV *) /* name of current subroutine */ |
0672f40e | 633 | |
115ff745 | 634 | PERLVAR(I, subline, I32) /* line this subroutine began on */ |
d12be05d | 635 | PERLVAR(I, min_intro_pending, PADOFFSET)/* start of vars to introduce */ |
d95e864f | 636 | |
d12be05d DM |
637 | PERLVAR(I, max_intro_pending, PADOFFSET)/* end of vars to introduce */ |
638 | PERLVAR(I, padix, PADOFFSET) /* lowest unused index - 1 | |
8ce2f624 | 639 | in current "register" pad */ |
d12be05d | 640 | PERLVAR(I, constpadix, PADOFFSET) /* lowest unused for constants */ |
d95e864f | 641 | |
d12be05d | 642 | PERLVAR(I, padix_floor, PADOFFSET) /* how low may inner block reset padix */ |
0672f40e | 643 | |
e9bc6d6b KW |
644 | #if defined(USE_POSIX_2008_LOCALE) \ |
645 | && defined(USE_THREAD_SAFE_LOCALE) \ | |
646 | && ! defined(HAS_QUERYLOCALE) | |
647 | ||
648 | PERLVARA(I, curlocales, 12, char *) | |
649 | ||
650 | #endif | |
0672f40e | 651 | #ifdef USE_LOCALE_COLLATE |
e9bc6d6b | 652 | |
115ff745 NC |
653 | PERLVAR(I, collation_name, char *) /* Name of current collation */ |
654 | PERLVAR(I, collxfrm_base, Size_t) /* Basic overhead in *xfrm() */ | |
655 | PERLVARI(I, collxfrm_mult,Size_t, 2) /* Expansion factor in *xfrm() */ | |
656 | PERLVARI(I, collation_ix, U32, 0) /* Collation generation index */ | |
f28f4d2a | 657 | PERLVARI(I, strxfrm_NUL_replacement, U8, 0) /* Code point to replace NULs */ |
c664130f KW |
658 | PERLVARI(I, strxfrm_is_behaved, bool, TRUE) |
659 | /* Assume until proven otherwise that it works */ | |
a4a439fb | 660 | PERLVARI(I, strxfrm_max_cp, U8, 0) /* Highest collating cp in locale */ |
115ff745 | 661 | PERLVARI(I, collation_standard, bool, TRUE) |
9f7da6d5 | 662 | /* Assume simple collation */ |
0672f40e GS |
663 | #endif /* USE_LOCALE_COLLATE */ |
664 | ||
f7416781 KW |
665 | PERLVARI(I, langinfo_buf, char *, NULL) |
666 | PERLVARI(I, langinfo_bufsize, Size_t, 0) | |
9aac5db8 KW |
667 | PERLVARI(I, setlocale_buf, char *, NULL) |
668 | PERLVARI(I, setlocale_bufsize, Size_t, 0) | |
f7416781 | 669 | |
19bc2726 DM |
670 | #ifdef PERL_SAWAMPERSAND |
671 | PERLVAR(I, sawampersand, U8) /* must save all match strings */ | |
9f7da6d5 | 672 | #endif |
95ca8690 | 673 | |
19bc2726 | 674 | PERLVAR(I, unsafe, bool) |
87c1d905 | 675 | PERLVAR(I, colorset, bool) /* PERL_RE_COLORS env var is in use */ |
19bc2726 | 676 | |
79968a97 NC |
677 | /* current phase the interpreter is in |
678 | for ordering this structure to remove holes, we're assuming that this is 4 | |
679 | bytes. */ | |
680 | PERLVARI(I, phase, enum perl_phase, PERL_PHASE_CONSTRUCT) | |
681 | ||
682 | PERLVARI(I, in_load_module, bool, FALSE) /* to prevent recursions in PerlIO_find_layer */ | |
683 | ||
daf9aebe TC |
684 | /* |
685 | =for apidoc Amn|signed char|PL_perl_destruct_level | |
686 | ||
687 | This value may be set when embedding for full cleanup. | |
688 | ||
689 | Possible values: | |
690 | ||
691 | =over | |
692 | ||
693 | =item * 0 - none | |
694 | ||
695 | =item * 1 - full | |
696 | ||
697 | =item * 2 or greater - full with checks. | |
698 | ||
699 | =back | |
700 | ||
701 | If C<$ENV{PERL_DESTRUCT_LEVEL}> is set to an integer greater than the | |
702 | value of C<PL_perl_destruct_level> its value is used instead. | |
703 | ||
704 | =cut | |
705 | */ | |
79968a97 NC |
706 | /* mod_perl is special, and also assigns a meaning -1 */ |
707 | PERLVARI(I, perl_destruct_level, signed char, 0) | |
9f7da6d5 | 708 | |
0672f40e GS |
709 | #ifdef USE_LOCALE_NUMERIC |
710 | ||
7738054c | 711 | PERLVARI(I, numeric_standard, int, TRUE) |
892e6465 KW |
712 | /* Assume C locale numerics */ |
713 | PERLVARI(I, numeric_underlying, bool, TRUE) | |
714 | /* Assume underlying locale numerics */ | |
4c68b815 | 715 | PERLVARI(I, numeric_underlying_is_standard, bool, TRUE) |
115ff745 NC |
716 | PERLVAR(I, numeric_name, char *) /* Name of current numeric locale */ |
717 | PERLVAR(I, numeric_radix_sv, SV *) /* The radix separator if not '.' */ | |
f8115845 | 718 | |
7e5377f7 | 719 | # ifdef HAS_POSIX_2008_LOCALE |
e1aa2579 KW |
720 | |
721 | PERLVARI(I, underlying_numeric_obj, locale_t, NULL) | |
722 | ||
723 | # endif | |
0672f40e GS |
724 | #endif /* !USE_LOCALE_NUMERIC */ |
725 | ||
a3e1f3a6 | 726 | /* utf8 character class swashes */ |
34aeb2e9 | 727 | PERLVAR(I, seen_deprecated_macro, HV *) |
cac6e0ca | 728 | |
115ff745 NC |
729 | PERLVAR(I, last_swash_hv, HV *) |
730 | PERLVAR(I, last_swash_tmps, U8 *) | |
731 | PERLVAR(I, last_swash_slen, STRLEN) | |
6c2f1a55 | 732 | PERLVARA(I, last_swash_key,UTF8_MAXBYTES-1, U8) |
45d91b83 | 733 | PERLVAR(I, last_swash_klen, U8) /* Only needs to store 0-12 */ |
d95e864f NC |
734 | |
735 | #ifdef FCRYPT | |
115ff745 | 736 | PERLVARI(I, cryptseen, bool, FALSE) /* has fast crypt() been initialized? */ |
79968a97 NC |
737 | #else |
738 | /* One byte hole in the interpreter structure. */ | |
d95e864f NC |
739 | #endif |
740 | ||
115ff745 | 741 | PERLVAR(I, pad_reset_pending, bool) /* reset pad on next attempted alloc */ |
e6b4660c | 742 | PERLVAR(I, srand_called, bool) |
12fbd33b | 743 | |
c4a30c8c NC |
744 | /* Array of signal handlers, indexed by signal number, through which the C |
745 | signal handler dispatches. */ | |
115ff745 | 746 | PERLVAR(I, psig_ptr, SV **) |
c4a30c8c | 747 | /* Array of names of signals, indexed by signal number, for (re)use as the first |
d525a7b2 NC |
748 | argument to a signal handler. Only one block of memory is allocated for |
749 | both psig_name and psig_ptr. */ | |
115ff745 | 750 | PERLVAR(I, psig_name, SV **) |
1d7c1841 | 751 | |
c5be433b | 752 | #if defined(PERL_IMPLICIT_SYS) |
115ff745 NC |
753 | PERLVAR(I, Mem, struct IPerlMem *) |
754 | PERLVAR(I, MemShared, struct IPerlMem *) | |
755 | PERLVAR(I, MemParse, struct IPerlMem *) | |
756 | PERLVAR(I, Env, struct IPerlEnv *) | |
757 | PERLVAR(I, StdIO, struct IPerlStdIO *) | |
758 | PERLVAR(I, LIO, struct IPerlLIO *) | |
759 | PERLVAR(I, Dir, struct IPerlDir *) | |
760 | PERLVAR(I, Sock, struct IPerlSock *) | |
761 | PERLVAR(I, Proc, struct IPerlProc *) | |
76e3520e | 762 | #endif |
1d7c1841 | 763 | |
115ff745 NC |
764 | PERLVAR(I, ptr_table, PTR_TBL_t *) |
765 | PERLVARI(I, beginav_save, AV *, NULL) /* save BEGIN{}s when compiling */ | |
f180df80 | 766 | |
115ff745 | 767 | PERLVAR(I, body_arenas, void *) /* pointer to list of body-arenas */ |
93e68bfb | 768 | |
d95e864f | 769 | |
1fcf4c12 | 770 | #if defined(USE_ITHREADS) |
115ff745 | 771 | PERLVAR(I, regex_pad, SV **) /* Shortcut into the array of |
e6853197 | 772 | regex_padav */ |
115ff745 | 773 | PERLVAR(I, regex_padav, AV *) /* All regex objects, indexed via the |
e6853197 | 774 | values in op_pmoffset of pmop. |
402d2eb1 NC |
775 | Entry 0 is an SV whose PV is a |
776 | "packed" list of IVs listing | |
e6853197 | 777 | the now-free slots in the array */ |
d4d03940 FC |
778 | PERLVAR(I, stashpad, HV **) /* for CopSTASH */ |
779 | PERLVARI(I, stashpadmax, PADOFFSET, 64) | |
780 | PERLVARI(I, stashpadix, PADOFFSET, 0) | |
1fcf4c12 AB |
781 | #endif |
782 | ||
ea68fd67 | 783 | #ifdef USE_REENTRANT_API |
115ff745 | 784 | PERLVAR(I, reentrant_buffer, REENTR *) /* here we store the _r buffers */ |
f5a82810 JH |
785 | #endif |
786 | ||
115ff745 NC |
787 | PERLVAR(I, custom_op_names, HV *) /* Names of user defined ops */ |
788 | PERLVAR(I, custom_op_descs, HV *) /* Descriptions of user defined ops */ | |
19e8ce8e | 789 | |
a1ea730d | 790 | #ifdef PERLIO_LAYERS |
115ff745 NC |
791 | PERLVARI(I, perlio, PerlIOl *, NULL) |
792 | PERLVARI(I, known_layers, PerlIO_list_t *, NULL) | |
793 | PERLVARI(I, def_layerlist, PerlIO_list_t *, NULL) | |
a1ea730d NIS |
794 | #endif |
795 | ||
115ff745 | 796 | PERLVAR(I, sort_RealCmp, SVCOMPARE_t) |
147f47de | 797 | |
115ff745 NC |
798 | PERLVARI(I, checkav_save, AV *, NULL) /* save CHECK{}s when compiling */ |
799 | PERLVARI(I, unitcheckav_save, AV *, NULL) | |
800 | /* save UNITCHECK{}s when compiling */ | |
ece599bd | 801 | |
115ff745 | 802 | PERLVARI(I, clocktick, long, 0) /* this many times() ticks in a second */ |
5311654c | 803 | |
15a5279a | 804 | /* Hooks to shared SVs and locks. */ |
115ff745 NC |
805 | PERLVARI(I, sharehook, share_proc_t, Perl_sv_nosharing) |
806 | PERLVARI(I, lockhook, share_proc_t, Perl_sv_nosharing) | |
238965b4 KW |
807 | |
808 | GCC_DIAG_IGNORE(-Wdeprecated-declarations) | |
d0647d4e NC |
809 | #ifdef NO_MATHOMS |
810 | # define PERL_UNLOCK_HOOK Perl_sv_nosharing | |
811 | #else | |
812 | /* This reference ensures that the mathoms are linked with perl */ | |
813 | # define PERL_UNLOCK_HOOK Perl_sv_nounlocking | |
814 | #endif | |
115ff745 | 815 | PERLVARI(I, unlockhook, share_proc_t, PERL_UNLOCK_HOOK) |
d0647d4e | 816 | |
238965b4 KW |
817 | GCC_DIAG_RESTORE |
818 | ||
115ff745 | 819 | PERLVARI(I, threadhook, thrhook_proc_t, Perl_nothreadhook) |
15a5279a | 820 | |
9e08d3a4 | 821 | /* Can shared object be destroyed */ |
115ff745 | 822 | PERLVARI(I, destroyhook, destroyable_proc_t, Perl_sv_destroyable) |
9e08d3a4 | 823 | |
01d65469 | 824 | #ifndef PERL_MICRO |
115ff745 | 825 | PERLVARI(I, signalhook, despatch_signals_proc_t, Perl_despatch_signals) |
01d65469 | 826 | #endif |
92f022bb | 827 | |
115ff745 | 828 | PERLVARI(I, isarev, HV *, NULL) /* Reverse map of @ISA dependencies */ |
f16dd614 | 829 | |
9e08d3a4 NC |
830 | /* Register of known Method Resolution Orders. |
831 | What this actually points to is an implementation detail (it may change to | |
832 | a structure incorporating a reference count - use mro_get_from_name to | |
833 | retrieve a C<struct mro_alg *> */ | |
115ff745 | 834 | PERLVAR(I, registered_mros, HV *) |
9e08d3a4 NC |
835 | |
836 | /* Compile-time block start/end hooks */ | |
115ff745 | 837 | PERLVAR(I, blockhooks, AV *) |
9e08d3a4 | 838 | |
115ff745 | 839 | PERLVAR(I, custom_ops, HV *) /* custom op registrations */ |
9e08d3a4 | 840 | |
19bc2726 DM |
841 | PERLVAR(I, Xpv, XPV *) /* (unused) held temporary value */ |
842 | ||
843 | /* name of the scopes we've ENTERed. Only used with -DDEBUGGING, but needs to be | |
844 | present always, as -DDEBUGGING must be binary compatible with non. */ | |
845 | PERLVARI(I, scopestack_name, const char * *, NULL) | |
846 | ||
847 | PERLVAR(I, debug_pad, struct perl_debug_pad) /* always needed because of the re extension */ | |
848 | ||
d67594ff FC |
849 | /* Hook for File::Glob */ |
850 | PERLVARI(I, globhook, globhook_t, NULL) | |
851 | ||
436227c7 | 852 | /* The last unconditional member of the interpreter structure when 5.18.0 was |
ffee3ff6 NC |
853 | released. The offset of the end of this is baked into a global variable in |
854 | any shared perl library which will allow a sanity test in future perl | |
855 | releases. */ | |
d399cf59 | 856 | #define PERL_LAST_5_18_0_INTERP_MEMBER Iglobhook |
ffee3ff6 | 857 | |
f16dd614 | 858 | #ifdef PERL_IMPLICIT_CONTEXT |
115ff745 | 859 | PERLVARI(I, my_cxt_list, void **, NULL) /* per-module array of MY_CXT pointers */ |
817b0f24 | 860 | PERLVARI(I, my_cxt_size, int, 0) /* size of PL_my_cxt_list */ |
f16dd614 DM |
861 | #endif |
862 | ||
0419d978 | 863 | #if defined(PERL_IMPLICIT_CONTEXT) || defined(PERL_DEBUG_READONLY_COW) |
5ca5a628 | 864 | /* For use with the memory debugging code in util.c. This is used only in |
0419d978 AC |
865 | * DEBUGGING builds (as long as the relevant structure is defined), but |
866 | * defining it in non-debug builds too means that we retain binary | |
867 | * compatibility between otherwise-compatible plain and debug builds. */ | |
115ff745 | 868 | PERLVAR(I, memory_debug_header, struct perl_memory_debug_header) |
0419d978 | 869 | #endif |
7cb608b5 | 870 | |
ba6d381e NC |
871 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
872 | /* File descriptor to talk to the child which dumps scalars. */ | |
115ff745 | 873 | PERLVARI(I, dumper_fd, int, -1) |
ba6d381e NC |
874 | #endif |
875 | ||
ba6d381e | 876 | |
d7a2c63c | 877 | #ifdef DEBUG_LEAKING_SCALARS |
115ff745 | 878 | PERLVARI(I, sv_serial, U32, 0) /* SV serial number, used in sv.c */ |
d7a2c63c MHM |
879 | #endif |
880 | ||
a38ab475 RZ |
881 | PERLVARA(I, sv_consts, SV_CONSTS_COUNT, SV*) /* constant SVs with precomputed hash value */ |
882 | ||
75d476e2 S |
883 | #ifdef PERL_TRACE_OPS |
884 | PERLVARA(I, op_exec_cnt, OP_max+2, UV) /* Counts of executed OPs of the given type. | |
885 | If PERL_TRACE_OPS is enabled, we'll dump | |
886 | a summary count of all ops executed in the | |
887 | program at perl_destruct time. For | |
888 | profiling/debugging only. Works only if | |
889 | DEBUGGING is enabled, too. */ | |
890 | #endif | |
891 | ||
3be8f094 TC |
892 | PERLVAR(I, random_state, PL_RANDOM_STATE_TYPE) |
893 | ||
eecd4d11 | 894 | PERLVARI(I, dump_re_max_len, STRLEN, 60) |
2bfbbbaf | 895 | |
f26b33bd TC |
896 | /* For internal uses of randomness, this ensures the sequence of |
897 | * random numbers returned by rand() isn't modified by perl's internal | |
898 | * use of randomness. | |
899 | * This is important if the user has called srand() with a seed. | |
900 | */ | |
901 | ||
902 | PERLVAR(I, internal_random_state, PL_RANDOM_STATE_TYPE) | |
903 | ||
157b3822 NC |
904 | /* If you are adding a U8 or U16, check to see if there are 'Space' comments |
905 | * above on where there are gaps which currently will be structure padding. */ | |
d95e864f NC |
906 | |
907 | /* Within a stable branch, new variables must be added to the very end, before | |
908 | * this comment, for binary compatibility (the offsets of the old members must | |
909 | * not change). | |
b83cd129 | 910 | * (Don't forget to add your variable also to perl_clone()!) |
e3acbfda | 911 | * XSUB.h provides wrapper functions via perlapi.h that make this |
b83cd129 JH |
912 | * irrelevant, but not all code may be expected to #include XSUB.h. |
913 | */ |