Commit | Line | Data |
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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 | ||
11 | /* | |
12 | =head1 Per-Interpreter Variables | |
13 | */ | |
49f531da | 14 | |
907b3e23 DM |
15 | /* These variables are per-interpreter in threaded/multiplicity builds, |
16 | * global otherwise. | |
17 | ||
18 | * Don't forget to re-run embed.pl to propagate changes! */ | |
cb68f92d | 19 | |
6537fe72 MS |
20 | /* New variables must be added to the very end for binary compatibility. |
21 | * XSUB.h provides wrapper functions via perlapi.h that make this | |
22 | * irrelevant, but not all code may be expected to #include XSUB.h. */ | |
23 | ||
02506efe JH |
24 | /* Don't forget to add your variable also to perl_clone()! */ |
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 | |
28 | * to generate the appropriate export list for win32. | |
29 | * | |
907b3e23 DM |
30 | * When building without MULTIPLICITY, these variables will be truly global. |
31 | * | |
32 | * Important ones in the first cache line (if alignment is done right) */ | |
33 | ||
34 | PERLVAR(Istack_sp, SV **) /* top of the stack */ | |
35 | #ifdef OP_IN_REGISTER | |
36 | PERLVAR(Iopsave, OP *) | |
37 | #else | |
38 | PERLVAR(Iop, OP *) /* currently executing op */ | |
39 | #endif | |
40 | PERLVAR(Icurpad, SV **) /* active pad (lexicals+tmps) */ | |
41 | ||
42 | PERLVAR(Istack_base, SV **) | |
43 | PERLVAR(Istack_max, SV **) | |
44 | ||
45 | PERLVAR(Iscopestack, I32 *) /* scopes we've ENTERed */ | |
f2b88940 NC |
46 | /* name of the scopes we've ENTERed. Only used with -DDEBUGGING, but needs to be |
47 | present always, as -DDEUBGGING must be binary compatible with non. */ | |
48 | PERLVARI(Iscopestack_name, const char * *, NULL) | |
907b3e23 DM |
49 | PERLVAR(Iscopestack_ix, I32) |
50 | PERLVAR(Iscopestack_max,I32) | |
51 | ||
52 | PERLVAR(Isavestack, ANY *) /* items that need to be restored when | |
53 | LEAVEing scopes we've ENTERed */ | |
54 | PERLVAR(Isavestack_ix, I32) | |
55 | PERLVAR(Isavestack_max, I32) | |
56 | ||
57 | PERLVAR(Itmps_stack, SV **) /* mortals we've made */ | |
58 | PERLVARI(Itmps_ix, I32, -1) | |
59 | PERLVARI(Itmps_floor, I32, -1) | |
60 | PERLVAR(Itmps_max, I32) | |
61 | PERLVAR(Imodcount, I32) /* how much mod()ification in | |
62 | assignment? */ | |
63 | ||
64 | PERLVAR(Imarkstack, I32 *) /* stack_sp locations we're | |
65 | remembering */ | |
66 | PERLVAR(Imarkstack_ptr, I32 *) | |
67 | PERLVAR(Imarkstack_max, I32 *) | |
68 | ||
69 | PERLVAR(ISv, SV *) /* used to hold temporary values */ | |
70 | PERLVAR(IXpv, XPV *) /* used to hold temporary values */ | |
71 | ||
72 | /* | |
73 | =for apidoc Amn|STRLEN|PL_na | |
74 | ||
75 | A convenience variable which is typically used with C<SvPV> when one | |
76 | doesn't care about the length of the string. It is usually more efficient | |
77 | to either declare a local variable and use that instead or to use the | |
78 | C<SvPV_nolen> macro. | |
79 | ||
80 | =cut | |
81 | */ | |
82 | ||
83 | PERLVAR(Ina, STRLEN) /* for use in SvPV when length is | |
84 | Not Applicable */ | |
85 | ||
86 | /* stat stuff */ | |
87 | PERLVAR(Istatbuf, Stat_t) | |
88 | PERLVAR(Istatcache, Stat_t) /* _ */ | |
89 | PERLVAR(Istatgv, GV *) | |
90 | PERLVARI(Istatname, SV *, NULL) | |
91 | ||
92 | #ifdef HAS_TIMES | |
93 | PERLVAR(Itimesbuf, struct tms) | |
94 | #endif | |
95 | ||
96 | /* Fields used by magic variables such as $@, $/ and so on */ | |
97 | PERLVAR(Icurpm, PMOP *) /* what to do \ interps in REs from */ | |
98 | ||
99 | /* | |
100 | =for apidoc mn|SV*|PL_rs | |
101 | ||
102 | The input record separator - C<$/> in Perl space. | |
103 | ||
104 | =for apidoc mn|GV*|PL_last_in_gv | |
105 | ||
106 | The GV which was last used for a filehandle input operation. (C<< <FH> >>) | |
107 | ||
e23d9e2f | 108 | =for apidoc mn|GV*|PL_ofsgv |
907b3e23 | 109 | |
e23d9e2f | 110 | The glob containing the output field separator - C<*,> in Perl space. |
907b3e23 DM |
111 | |
112 | =cut | |
113 | */ | |
114 | ||
115 | PERLVAR(Irs, SV *) /* input record separator $/ */ | |
116 | PERLVAR(Ilast_in_gv, GV *) /* GV used in last <FH> */ | |
e23d9e2f | 117 | PERLVAR(Iofsgv, GV *) /* GV of output field separator *, */ |
907b3e23 DM |
118 | PERLVAR(Idefoutgv, GV *) /* default FH for output */ |
119 | PERLVARI(Ichopset, const char *, " \n-") /* $: */ | |
120 | PERLVAR(Iformtarget, SV *) | |
121 | PERLVAR(Ibodytarget, SV *) | |
122 | PERLVAR(Itoptarget, SV *) | |
123 | ||
124 | /* Stashes */ | |
125 | PERLVAR(Idefstash, HV *) /* main symbol table */ | |
126 | PERLVAR(Icurstash, HV *) /* symbol table for current package */ | |
127 | ||
128 | PERLVAR(Irestartop, OP *) /* propagating an error from croak? */ | |
910e0671 | 129 | PERLVAR(Icurcop, COP *) |
907b3e23 DM |
130 | PERLVAR(Icurstack, AV *) /* THE STACK */ |
131 | PERLVAR(Icurstackinfo, PERL_SI *) /* current stack + context */ | |
132 | PERLVAR(Imainstack, AV *) /* the stack when nothing funny is | |
133 | happening */ | |
134 | ||
135 | PERLVAR(Itop_env, JMPENV *) /* ptr to current sigjmp environment */ | |
136 | PERLVAR(Istart_env, JMPENV) /* empty startup sigjmp environment */ | |
137 | PERLVARI(Ierrors, SV *, NULL) /* outstanding queued errors */ | |
138 | ||
139 | /* statics "owned" by various functions */ | |
907b3e23 DM |
140 | PERLVAR(Ihv_fetch_ent_mh, HE*) /* owned by hv_fetch_ent() */ |
141 | ||
907b3e23 DM |
142 | PERLVAR(Ilastgotoprobe, OP*) /* from pp_ctl.c */ |
143 | ||
144 | /* sort stuff */ | |
145 | PERLVAR(Isortcop, OP *) /* user defined sort routine */ | |
146 | PERLVAR(Isortstash, HV *) /* which is in some package or other */ | |
147 | PERLVAR(Ifirstgv, GV *) /* $a */ | |
148 | PERLVAR(Isecondgv, GV *) /* $b */ | |
149 | ||
150 | /* float buffer */ | |
151 | PERLVAR(Iefloatbuf, char *) | |
152 | PERLVAR(Iefloatsize, STRLEN) | |
153 | ||
154 | /* regex stuff */ | |
155 | ||
156 | PERLVAR(Iscreamfirst, I32 *) | |
157 | PERLVAR(Iscreamnext, I32 *) | |
158 | PERLVAR(Ilastscream, SV *) | |
159 | ||
160 | PERLVAR(Ireg_state, struct re_save_state) | |
161 | ||
162 | PERLVAR(Iregdummy, regnode) /* from regcomp.c */ | |
163 | ||
164 | PERLVARI(Idumpindent, U16, 4) /* number of blanks per dump | |
165 | indentation level */ | |
166 | ||
157b3822 NC |
167 | |
168 | PERLVAR(Iutf8locale, bool) /* utf8 locale detected */ | |
169 | PERLVARI(Irehash_seed_set, bool, FALSE) /* 582 hash initialized? */ | |
907b3e23 DM |
170 | |
171 | PERLVARA(Icolors,6, char *) /* from regcomp.c */ | |
172 | ||
173 | PERLVARI(Ipeepp, peep_t, MEMBER_TO_FPTR(Perl_peep)) | |
174 | /* Pointer to peephole optimizer */ | |
175 | ||
2f175318 VP |
176 | /* |
177 | =for apidoc Amn|Perl_ophook_t|PL_opfreehook | |
178 | ||
179 | 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. | |
180 | This allows extensions to free any extra attribute they have locally attached to an OP. | |
181 | It is also assured to first fire for the parent OP and then for its kids. | |
182 | ||
183 | 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. | |
184 | ||
185 | =cut | |
186 | */ | |
187 | ||
799dfa8f | 188 | PERLVARI(Iopfreehook, Perl_ophook_t, 0) /* op_free() hook */ |
f37b8c3f | 189 | |
907b3e23 DM |
190 | PERLVARI(Imaxscream, I32, -1) |
191 | PERLVARI(Ireginterp_cnt,I32, 0) /* Whether "Regexp" was interpolated. */ | |
192 | PERLVARI(Iwatchaddr, char **, 0) | |
193 | PERLVAR(Iwatchok, char *) | |
194 | ||
195 | /* the currently active slab in a chain of slabs of regmatch states, | |
196 | * and the currently active state within that slab */ | |
197 | ||
198 | PERLVARI(Iregmatch_slab, regmatch_slab *, NULL) | |
199 | PERLVAR(Iregmatch_state, regmatch_state *) | |
200 | ||
907b3e23 | 201 | /* Put anything new that is pointer aligned here. */ |
d95e864f | 202 | |
907b3e23 DM |
203 | PERLVAR(Idelaymagic, U16) /* ($<,$>) = ... */ |
204 | PERLVAR(Ilocalizing, U8) /* are we processing a local() list? */ | |
205 | PERLVAR(Icolorset, bool) /* from regcomp.c */ | |
206 | PERLVARI(Idirty, bool, FALSE) /* in the middle of tearing things | |
207 | down? */ | |
910e0671 | 208 | PERLVAR(Iin_eval, U8) /* trap "fatal" errors? */ |
907b3e23 | 209 | PERLVAR(Itainted, bool) /* using variables controlled by $< */ |
d95e864f NC |
210 | |
211 | /* This value may be set when embedding for full cleanup */ | |
212 | /* 0=none, 1=full, 2=full with checks */ | |
801627e8 NC |
213 | /* mod_perl is special, and also assigns a meaning -1 */ |
214 | PERLVARI(Iperl_destruct_level, signed char, 0) | |
d95e864f NC |
215 | |
216 | PERLVAR(Iperldb, U32) | |
217 | ||
49f531da | 218 | /* pseudo environmental stuff */ |
d95e864f | 219 | PERLVAR(Iorigargc, int) |
cb68f92d GS |
220 | PERLVAR(Iorigargv, char **) |
221 | PERLVAR(Ienvgv, GV *) | |
cb68f92d | 222 | PERLVAR(Iincgv, GV *) |
b3ac6de7 | 223 | PERLVAR(Ihintgv, GV *) |
cb68f92d GS |
224 | PERLVAR(Iorigfilename, char *) |
225 | PERLVAR(Idiehook, SV *) | |
226 | PERLVAR(Iwarnhook, SV *) | |
1d7c1841 GS |
227 | |
228 | /* switches */ | |
a7cb1f99 | 229 | PERLVAR(Ipatchlevel, SV *) |
27da23d5 | 230 | PERLVAR(Ilocalpatches, const char * const *) |
dd374669 | 231 | PERLVARI(Isplitstr, const char *, " ") |
9f7da6d5 NC |
232 | |
233 | PERLVAR(Iminus_c, bool) | |
cb68f92d GS |
234 | PERLVAR(Iminus_n, bool) |
235 | PERLVAR(Iminus_p, bool) | |
236 | PERLVAR(Iminus_l, bool) | |
237 | PERLVAR(Iminus_a, bool) | |
238 | PERLVAR(Iminus_F, bool) | |
239 | PERLVAR(Idoswitches, bool) | |
bc9b29db | 240 | PERLVAR(Iminus_E, bool) |
954c1994 GS |
241 | |
242 | /* | |
ccfc67b7 | 243 | |
2eb25c99 | 244 | =for apidoc mn|bool|PL_dowarn |
954c1994 GS |
245 | |
246 | The C variable which corresponds to Perl's $^W warning variable. | |
247 | ||
248 | =cut | |
249 | */ | |
250 | ||
d41ff1b8 | 251 | PERLVAR(Idowarn, U8) |
cb68f92d | 252 | PERLVAR(Idoextract, bool) |
49f531da | 253 | PERLVAR(Isawampersand, bool) /* must save all match strings */ |
cb68f92d | 254 | PERLVAR(Iunsafe, bool) |
9f7da6d5 NC |
255 | PERLVAR(Iexit_flags, U8) /* was exit() unexpected, etc. */ |
256 | PERLVAR(Isrand_called, bool) | |
257 | /* Part of internal state, but makes the 16th 1 byte variable in a row. */ | |
258 | PERLVAR(Itainting, bool) /* doing taint checks */ | |
96889982 | 259 | /* Space for a U8 */ |
cb68f92d GS |
260 | PERLVAR(Iinplace, char *) |
261 | PERLVAR(Ie_script, SV *) | |
49f531da NIS |
262 | |
263 | /* magical thingies */ | |
264 | PERLVAR(Ibasetime, Time_t) /* $^T */ | |
265 | PERLVAR(Iformfeed, SV *) /* $^L */ | |
d4cce5f1 NIS |
266 | |
267 | ||
cb68f92d GS |
268 | PERLVARI(Imaxsysfd, I32, MAXSYSFD) |
269 | /* top fd to pass to subprocesses */ | |
49f531da NIS |
270 | PERLVAR(Istatusvalue, I32) /* $? */ |
271 | #ifdef VMS | |
cb68f92d | 272 | PERLVAR(Istatusvalue_vms,U32) |
e5218da5 GA |
273 | #else |
274 | PERLVAR(Istatusvalue_posix,I32) | |
49f531da NIS |
275 | #endif |
276 | ||
157b3822 NC |
277 | PERLVARI(Isig_pending, int,0) /* Number if highest signal pending */ |
278 | PERLVAR(Ipsig_pend, int *) /* per-signal "count" of pending */ | |
279 | ||
49f531da | 280 | /* shortcuts to various I/O objects */ |
cb68f92d | 281 | PERLVAR(Istdingv, GV *) |
bf49b057 | 282 | PERLVAR(Istderrgv, GV *) |
cb68f92d GS |
283 | PERLVAR(Idefgv, GV *) |
284 | PERLVAR(Iargvgv, GV *) | |
285 | PERLVAR(Iargvoutgv, GV *) | |
1d7c1841 | 286 | PERLVAR(Iargvout_stack, AV *) |
49f531da NIS |
287 | |
288 | /* shortcuts to regexp stuff */ | |
cb68f92d | 289 | PERLVAR(Ireplgv, GV *) |
49f531da NIS |
290 | |
291 | /* shortcuts to misc objects */ | |
cb68f92d | 292 | PERLVAR(Ierrgv, GV *) |
49f531da NIS |
293 | |
294 | /* shortcuts to debugging objects */ | |
cb68f92d GS |
295 | PERLVAR(IDBgv, GV *) |
296 | PERLVAR(IDBline, GV *) | |
954c1994 GS |
297 | |
298 | /* | |
2eb25c99 | 299 | =for apidoc mn|GV *|PL_DBsub |
954c1994 GS |
300 | When Perl is run in debugging mode, with the B<-d> switch, this GV contains |
301 | the SV which holds the name of the sub being debugged. This is the C | |
302 | variable which corresponds to Perl's $DB::sub variable. See | |
303 | C<PL_DBsingle>. | |
304 | ||
2eb25c99 | 305 | =for apidoc mn|SV *|PL_DBsingle |
954c1994 | 306 | When Perl is run in debugging mode, with the B<-d> switch, this SV is a |
7889fe52 | 307 | boolean which indicates whether subs are being single-stepped. |
954c1994 GS |
308 | Single-stepping is automatically turned on after every step. This is the C |
309 | variable which corresponds to Perl's $DB::single variable. See | |
310 | C<PL_DBsub>. | |
311 | ||
2eb25c99 | 312 | =for apidoc mn|SV *|PL_DBtrace |
954c1994 GS |
313 | Trace variable used when Perl is run in debugging mode, with the B<-d> |
314 | switch. This is the C variable which corresponds to Perl's $DB::trace | |
315 | variable. See C<PL_DBsingle>. | |
316 | ||
317 | =cut | |
318 | */ | |
319 | ||
cb68f92d GS |
320 | PERLVAR(IDBsub, GV *) |
321 | PERLVAR(IDBsingle, SV *) | |
322 | PERLVAR(IDBtrace, SV *) | |
323 | PERLVAR(IDBsignal, SV *) | |
49f531da NIS |
324 | PERLVAR(Idbargs, AV *) /* args to call listed by caller function */ |
325 | ||
326 | /* symbol tables */ | |
49f531da NIS |
327 | PERLVAR(Idebstash, HV *) /* symbol table for perldb package */ |
328 | PERLVAR(Iglobalstash, HV *) /* global keyword overrides imported here */ | |
329 | PERLVAR(Icurstname, SV *) /* name of current package */ | |
330 | PERLVAR(Ibeginav, AV *) /* names of BEGIN subroutines */ | |
d4cce5f1 | 331 | PERLVAR(Iendav, AV *) /* names of END subroutines */ |
3c10abe3 | 332 | PERLVAR(Iunitcheckav, AV *) /* names of UNITCHECK subroutines */ |
7d30b5c4 | 333 | PERLVAR(Icheckav, AV *) /* names of CHECK subroutines */ |
49f531da NIS |
334 | PERLVAR(Iinitav, AV *) /* names of INIT subroutines */ |
335 | PERLVAR(Istrtab, HV *) /* shared string table */ | |
005a453c | 336 | PERLVARI(Isub_generation,U32,1) /* incr to invalidate method cache */ |
49f531da | 337 | |
9f7da6d5 NC |
338 | /* funky return mechanisms */ |
339 | PERLVAR(Iforkprocess, int) /* so do_open |- can return proc# */ | |
340 | ||
49f531da | 341 | /* memory management */ |
49f531da NIS |
342 | PERLVAR(Isv_count, I32) /* how many SV* are currently allocated */ |
343 | PERLVAR(Isv_objcount, I32) /* how many objects are currently allocated */ | |
344 | PERLVAR(Isv_root, SV*) /* storage for SVs belonging to interp */ | |
345 | PERLVAR(Isv_arenaroot, SV*) /* list of areas for garbage collection */ | |
346 | ||
49f531da | 347 | /* subprocess state */ |
d4cce5f1 | 348 | PERLVAR(Ifdpid, AV *) /* keep fd-to-pid mappings for my_popen */ |
49f531da NIS |
349 | |
350 | /* internal state */ | |
49f531da NIS |
351 | PERLVARI(Iop_mask, char *, NULL) /* masked operations for safe evals */ |
352 | ||
49f531da | 353 | /* current interpreter roots */ |
cb68f92d GS |
354 | PERLVAR(Imain_cv, CV *) |
355 | PERLVAR(Imain_root, OP *) | |
356 | PERLVAR(Imain_start, OP *) | |
357 | PERLVAR(Ieval_root, OP *) | |
358 | PERLVAR(Ieval_start, OP *) | |
49f531da NIS |
359 | |
360 | /* runtime control stuff */ | |
cb68f92d | 361 | PERLVARI(Icurcopdb, COP *, NULL) |
49f531da | 362 | |
49f531da NIS |
363 | PERLVAR(Ifilemode, int) /* so nextargv() can preserve mode */ |
364 | PERLVAR(Ilastfd, int) /* what to preserve mode on */ | |
365 | PERLVAR(Ioldname, char *) /* what to preserve mode on */ | |
360ea906 | 366 | PERLVAR(IArgv, const char **) /* stuff to free from do_aexec, vfork safe */ |
d4cce5f1 | 367 | PERLVAR(ICmd, char *) /* stuff to free from do_aexec, vfork safe */ |
00accf8d NC |
368 | /* Elements in this array have ';' appended and are injected as a single line |
369 | into the tokeniser. You can't put any (literal) newlines into any program | |
370 | you stuff in into this array, as the point where it's injected is expecting | |
371 | a single physical line. */ | |
cb68f92d | 372 | PERLVAR(Ipreambleav, AV *) |
cb68f92d | 373 | PERLVAR(Imess_sv, SV *) |
7889fe52 | 374 | PERLVAR(Iors_sv, SV *) /* output record separator $\ */ |
71eebe1e NC |
375 | /* statics moved here for shared library purposes */ |
376 | PERLVARI(Igensym, I32, 0) /* next symbol for getsym() to define */ | |
a4021b77 | 377 | PERLVARI(Icv_has_eval, bool, FALSE) /* PL_compcv includes an entereval or similar */ |
157b3822 | 378 | PERLVAR(Itaint_warn, bool) /* taint warns instead of dying */ |
d95e864f NC |
379 | PERLVARI(Ilaststype, U16, OP_STAT) |
380 | PERLVARI(Ilaststatval, int, -1) | |
d4cce5f1 | 381 | |
4b556e6c | 382 | /* interpreter atexit processing */ |
d95e864f | 383 | PERLVARI(Iexitlistlen, I32, 0) /* length of same */ |
cb68f92d GS |
384 | PERLVARI(Iexitlist, PerlExitListEntry *, NULL) |
385 | /* list of exit functions */ | |
954c1994 GS |
386 | |
387 | /* | |
388 | =for apidoc Amn|HV*|PL_modglobal | |
389 | ||
7889fe52 | 390 | C<PL_modglobal> is a general purpose, interpreter global HV for use by |
954c1994 | 391 | extensions that need to keep information on a per-interpreter basis. |
7889fe52 NIS |
392 | In a pinch, it can also be used as a symbol table for extensions |
393 | to share data among each other. It is a good idea to use keys | |
954c1994 GS |
394 | prefixed by the package name of the extension that owns the data. |
395 | ||
396 | =cut | |
397 | */ | |
398 | ||
cb68f92d GS |
399 | PERLVAR(Imodglobal, HV *) /* per-interp module data */ |
400 | ||
401 | /* these used to be in global before 5.004_68 */ | |
402 | PERLVARI(Iprofiledata, U32 *, NULL) /* table of ops, counts */ | |
cb68f92d GS |
403 | |
404 | PERLVAR(Icompiling, COP) /* compiling/done executing marker */ | |
405 | ||
406 | PERLVAR(Icompcv, CV *) /* currently compiling subroutine */ | |
407 | PERLVAR(Icomppad, AV *) /* storage for lexically scoped temporaries */ | |
408 | PERLVAR(Icomppad_name, AV *) /* variable names for "my" variables */ | |
409 | PERLVAR(Icomppad_name_fill, I32) /* last "introduced" variable offset */ | |
410 | PERLVAR(Icomppad_name_floor, I32) /* start of vars in innermost block */ | |
4b556e6c JD |
411 | |
412 | #ifdef HAVE_INTERP_INTERN | |
cb68f92d GS |
413 | PERLVAR(Isys_intern, struct interp_intern) |
414 | /* platform internals */ | |
4b556e6c JD |
415 | #endif |
416 | ||
7fae4e64 | 417 | /* more statics moved here */ |
7fae4e64 | 418 | PERLVAR(IDBcv, CV *) /* from perl.c */ |
9f7da6d5 | 419 | PERLVARI(Igeneration, int, 100) /* from op.c */ |
56953603 | 420 | |
cb68f92d GS |
421 | PERLVARI(Iin_clean_objs,bool, FALSE) /* from sv.c */ |
422 | PERLVARI(Iin_clean_all, bool, FALSE) /* from sv.c */ | |
9f7da6d5 NC |
423 | PERLVAR(Inomemok, bool) /* let malloc context handle nomem */ |
424 | PERLVARI(Isavebegin, bool, FALSE) /* save BEGINs for compiler */ | |
7fae4e64 | 425 | |
d8eceb89 JH |
426 | PERLVAR(Iuid, Uid_t) /* current real user id */ |
427 | PERLVAR(Ieuid, Uid_t) /* current effective user id */ | |
428 | PERLVAR(Igid, Gid_t) /* current real group id */ | |
429 | PERLVAR(Iegid, Gid_t) /* current effective group id */ | |
bf9cdc68 RG |
430 | PERLVARI(Ian, U32, 0) /* malloc sequence number */ |
431 | PERLVARI(Icop_seqmax, U32, 0) /* statement sequence number */ | |
bf9cdc68 | 432 | PERLVARI(Ievalseq, U32, 0) /* eval sequence number */ |
0672f40e | 433 | PERLVAR(Iorigalen, U32) |
9f7da6d5 | 434 | PERLVAR(Iorigenviron, char **) |
ca0c25f6 | 435 | #ifdef PERL_USES_PL_PIDSTATUS |
0672f40e | 436 | PERLVAR(Ipidstatus, HV *) /* pid-to-status mappings for waitpid */ |
ca0c25f6 | 437 | #endif |
0672f40e | 438 | PERLVAR(Iosname, char *) /* operating system */ |
5c728af0 | 439 | |
0672f40e GS |
440 | PERLVAR(Isighandlerp, Sighandler_t) |
441 | ||
232d1c15 | 442 | PERLVARA(Ibody_roots, PERL_ARENA_ROOTS_SIZE, void*) /* array of body roots */ |
93e68bfb | 443 | |
0672f40e GS |
444 | PERLVAR(Inice_chunk, char *) /* a nice chunk of memory to reuse */ |
445 | PERLVAR(Inice_chunk_size, U32) /* how nice the chunk of memory is */ | |
446 | ||
9f7da6d5 NC |
447 | PERLVARI(Imaxo, int, MAXO) /* maximum number of ops */ |
448 | ||
0b94c7bb | 449 | PERLVARI(Irunops, runops_proc_t, MEMBER_TO_FPTR(RUNOPS_DEFAULT)) |
0672f40e | 450 | |
954c1994 GS |
451 | /* |
452 | =for apidoc Amn|SV|PL_sv_undef | |
453 | This is the C<undef> SV. Always refer to this as C<&PL_sv_undef>. | |
454 | ||
455 | =for apidoc Amn|SV|PL_sv_no | |
456 | This is the C<false> SV. See C<PL_sv_yes>. Always refer to this as | |
457 | C<&PL_sv_no>. | |
458 | ||
459 | =for apidoc Amn|SV|PL_sv_yes | |
460 | This is the C<true> SV. See C<PL_sv_no>. Always refer to this as | |
461 | C<&PL_sv_yes>. | |
462 | ||
463 | =cut | |
464 | */ | |
465 | ||
0672f40e GS |
466 | PERLVAR(Isv_undef, SV) |
467 | PERLVAR(Isv_no, SV) | |
468 | PERLVAR(Isv_yes, SV) | |
469 | ||
0672f40e GS |
470 | PERLVAR(Isubname, SV *) /* name of current subroutine */ |
471 | ||
d95e864f | 472 | PERLVAR(Isubline, I32) /* line this subroutine began on */ |
0672f40e | 473 | PERLVAR(Imin_intro_pending, I32) /* start of vars to introduce */ |
d95e864f | 474 | |
0672f40e GS |
475 | PERLVAR(Imax_intro_pending, I32) /* end of vars to introduce */ |
476 | PERLVAR(Ipadix, I32) /* max used index in current "register" pad */ | |
d95e864f | 477 | |
0672f40e | 478 | PERLVAR(Ipadix_floor, I32) /* how low may inner block reset padix */ |
0672f40e | 479 | |
1d7c1841 | 480 | PERLVAR(Ihints, U32) /* pragma-tic compile-time flags */ |
0672f40e GS |
481 | |
482 | PERLVAR(Idebug, VOL U32) /* flags given to -D switch */ | |
483 | ||
f0cb02e3 NC |
484 | /* Perl_Ibreakable_sub_generation_ptr was too long for VMS, hence "gen" */ |
485 | PERLVARI(Ibreakable_sub_gen, U32, 0) | |
486 | ||
bf9cdc68 | 487 | PERLVARI(Iamagic_generation, long, 0) |
0672f40e GS |
488 | |
489 | #ifdef USE_LOCALE_COLLATE | |
0672f40e | 490 | PERLVAR(Icollation_name,char *) /* Name of current collation */ |
0672f40e GS |
491 | PERLVAR(Icollxfrm_base, Size_t) /* Basic overhead in *xfrm() */ |
492 | PERLVARI(Icollxfrm_mult,Size_t, 2) /* Expansion factor in *xfrm() */ | |
9f7da6d5 NC |
493 | PERLVARI(Icollation_ix, U32, 0) /* Collation generation index */ |
494 | PERLVARI(Icollation_standard, bool, TRUE) | |
495 | /* Assume simple collation */ | |
0672f40e GS |
496 | #endif /* USE_LOCALE_COLLATE */ |
497 | ||
9f7da6d5 | 498 | |
edd11d75 | 499 | #if defined (PERL_UTF8_CACHE_ASSERT) || defined (DEBUGGING) |
95ca8690 | 500 | # define PERL___I -1 |
9f7da6d5 | 501 | #else |
7cd91da4 | 502 | # define PERL___I 1 |
9f7da6d5 | 503 | #endif |
95ca8690 DM |
504 | PERLVARI(Iutf8cache, I8, PERL___I) /* Is the utf8 caching code enabled? */ |
505 | #undef PERL___I | |
506 | ||
9f7da6d5 | 507 | |
0672f40e GS |
508 | #ifdef USE_LOCALE_NUMERIC |
509 | ||
0672f40e GS |
510 | PERLVARI(Inumeric_standard, bool, TRUE) |
511 | /* Assume simple numerics */ | |
512 | PERLVARI(Inumeric_local, bool, TRUE) | |
513 | /* Assume local numerics */ | |
9f7da6d5 | 514 | PERLVAR(Inumeric_name, char *) /* Name of current numeric locale */ |
0672f40e GS |
515 | #endif /* !USE_LOCALE_NUMERIC */ |
516 | ||
517 | /* utf8 character classes */ | |
518 | PERLVAR(Iutf8_alnum, SV *) | |
b8c5462f | 519 | PERLVAR(Iutf8_ascii, SV *) |
0672f40e GS |
520 | PERLVAR(Iutf8_alpha, SV *) |
521 | PERLVAR(Iutf8_space, SV *) | |
d1eb3177 YO |
522 | PERLVAR(Iutf8_perl_space, SV *) |
523 | PERLVAR(Iutf8_perl_word, SV *) | |
524 | PERLVAR(Iutf8_posix_digit, SV *) | |
b8c5462f JH |
525 | PERLVAR(Iutf8_cntrl, SV *) |
526 | PERLVAR(Iutf8_graph, SV *) | |
0672f40e GS |
527 | PERLVAR(Iutf8_digit, SV *) |
528 | PERLVAR(Iutf8_upper, SV *) | |
529 | PERLVAR(Iutf8_lower, SV *) | |
530 | PERLVAR(Iutf8_print, SV *) | |
b8c5462f JH |
531 | PERLVAR(Iutf8_punct, SV *) |
532 | PERLVAR(Iutf8_xdigit, SV *) | |
0672f40e | 533 | PERLVAR(Iutf8_mark, SV *) |
37e2e78e KW |
534 | PERLVAR(Iutf8_X_begin, SV *) |
535 | PERLVAR(Iutf8_X_extend, SV *) | |
536 | PERLVAR(Iutf8_X_prepend, SV *) | |
537 | PERLVAR(Iutf8_X_non_hangul, SV *) | |
538 | PERLVAR(Iutf8_X_L, SV *) | |
539 | PERLVAR(Iutf8_X_LV, SV *) | |
540 | PERLVAR(Iutf8_X_LVT, SV *) | |
541 | PERLVAR(Iutf8_X_T, SV *) | |
542 | PERLVAR(Iutf8_X_V, SV *) | |
543 | PERLVAR(Iutf8_X_LV_LVT_V, SV *) | |
0672f40e GS |
544 | PERLVAR(Iutf8_toupper, SV *) |
545 | PERLVAR(Iutf8_totitle, SV *) | |
546 | PERLVAR(Iutf8_tolower, SV *) | |
b4e400f9 | 547 | PERLVAR(Iutf8_tofold, SV *) |
0672f40e | 548 | PERLVAR(Ilast_swash_hv, HV *) |
0672f40e GS |
549 | PERLVAR(Ilast_swash_tmps, U8 *) |
550 | PERLVAR(Ilast_swash_slen, STRLEN) | |
9f7da6d5 | 551 | PERLVARA(Ilast_swash_key,10, U8) |
d95e864f NC |
552 | PERLVAR(Ilast_swash_klen, U8) /* Only needs to store 0-10 */ |
553 | ||
554 | #ifdef FCRYPT | |
555 | PERLVARI(Icryptseen, bool, FALSE) /* has fast crypt() been initialized? */ | |
556 | #endif | |
557 | ||
f0cb02e3 | 558 | PERLVAR(Ipad_reset_pending, bool) /* reset pad on next attempted alloc */ |
49947b44 | 559 | |
d95e864f NC |
560 | PERLVARI(Iglob_index, int, 0) |
561 | ||
0672f40e | 562 | |
5912531f | 563 | PERLVAR(Iparser, yy_parser *) /* current parser state */ |
12fbd33b | 564 | |
c4a30c8c NC |
565 | /* Array of signal handlers, indexed by signal number, through which the C |
566 | signal handler dispatches. */ | |
1d7c1841 | 567 | PERLVAR(Ipsig_ptr, SV**) |
c4a30c8c | 568 | /* Array of names of signals, indexed by signal number, for (re)use as the first |
d525a7b2 NC |
569 | argument to a signal handler. Only one block of memory is allocated for |
570 | both psig_name and psig_ptr. */ | |
c4a30c8c | 571 | PERLVAR(Ipsig_name, SV**) |
1d7c1841 | 572 | |
c5be433b | 573 | #if defined(PERL_IMPLICIT_SYS) |
32e30700 | 574 | PERLVAR(IMem, struct IPerlMem*) |
1d7c1841 GS |
575 | PERLVAR(IMemShared, struct IPerlMem*) |
576 | PERLVAR(IMemParse, struct IPerlMem*) | |
32e30700 GS |
577 | PERLVAR(IEnv, struct IPerlEnv*) |
578 | PERLVAR(IStdIO, struct IPerlStdIO*) | |
579 | PERLVAR(ILIO, struct IPerlLIO*) | |
580 | PERLVAR(IDir, struct IPerlDir*) | |
581 | PERLVAR(ISock, struct IPerlSock*) | |
582 | PERLVAR(IProc, struct IPerlProc*) | |
76e3520e | 583 | #endif |
1d7c1841 | 584 | |
1d7c1841 | 585 | PERLVAR(Iptr_table, PTR_TBL_t*) |
7d49f689 | 586 | PERLVARI(Ibeginav_save, AV*, NULL) /* save BEGIN{}s when compiling */ |
f180df80 | 587 | |
fdda85ca | 588 | PERLVAR(Ibody_arenas, void*) /* pointer to list of body-arenas */ |
93e68bfb | 589 | |
d95e864f | 590 | |
a453c169 JH |
591 | #ifdef USE_LOCALE_NUMERIC |
592 | ||
593 | PERLVAR(Inumeric_radix_sv, SV *) /* The radix separator if not '.' */ | |
594 | ||
595 | #endif | |
ce08f86c | 596 | |
1fcf4c12 | 597 | #if defined(USE_ITHREADS) |
e6853197 NC |
598 | PERLVAR(Iregex_pad, SV**) /* Shortcut into the array of |
599 | regex_padav */ | |
600 | PERLVAR(Iregex_padav, AV*) /* All regex objects, indexed via the | |
601 | values in op_pmoffset of pmop. | |
402d2eb1 NC |
602 | Entry 0 is an SV whose PV is a |
603 | "packed" list of IVs listing | |
e6853197 | 604 | the now-free slots in the array */ |
1fcf4c12 AB |
605 | #endif |
606 | ||
ea68fd67 NC |
607 | #ifdef USE_REENTRANT_API |
608 | PERLVAR(Ireentrant_buffer, REENTR*) /* here we store the _r buffers */ | |
f5a82810 JH |
609 | #endif |
610 | ||
53e06cf0 SC |
611 | PERLVAR(Icustom_op_names, HV*) /* Names of user defined ops */ |
612 | PERLVAR(Icustom_op_descs, HV*) /* Descriptions of user defined ops */ | |
19e8ce8e | 613 | |
a1ea730d NIS |
614 | #ifdef PERLIO_LAYERS |
615 | PERLVARI(Iperlio, PerlIO *,NULL) | |
3a1ee7e8 NIS |
616 | PERLVARI(Iknown_layers, PerlIO_list_t *,NULL) |
617 | PERLVARI(Idef_layerlist, PerlIO_list_t *,NULL) | |
a1ea730d NIS |
618 | #endif |
619 | ||
a0714e2c | 620 | PERLVARI(Iencoding, SV*, NULL) /* character encoding */ |
0a378802 | 621 | |
128e8167 | 622 | PERLVAR(Idebug_pad, struct perl_debug_pad) /* always needed because of the re extension */ |
ce333219 | 623 | |
82686b01 JH |
624 | PERLVAR(Iutf8_idstart, SV *) |
625 | PERLVAR(Iutf8_idcont, SV *) | |
626 | ||
147f47de AB |
627 | PERLVAR(Isort_RealCmp, SVCOMPARE_t) |
628 | ||
7d49f689 | 629 | PERLVARI(Icheckav_save, AV*, NULL) /* save CHECK{}s when compiling */ |
3c10abe3 | 630 | PERLVARI(Iunitcheckav_save, AV*, NULL) /* save UNITCHECK{}s when compiling */ |
ece599bd | 631 | |
5311654c JH |
632 | PERLVARI(Iclocktick, long, 0) /* this many times() ticks in a second */ |
633 | ||
edab1aa3 JH |
634 | PERLVARI(Iin_load_module, int, 0) /* to prevent recursions in PerlIO_find_layer */ |
635 | ||
a05d7ebb JH |
636 | PERLVAR(Iunicode, U32) /* Unicode features: $ENV{PERL_UNICODE} or -C */ |
637 | ||
4ffa73a3 JH |
638 | PERLVAR(Isignals, U32) /* Using which pre-5.8 signals */ |
639 | ||
57c6e6d2 JH |
640 | PERLVAR(Ireentrant_retint, int) /* Integer return value from reentrant functions */ |
641 | ||
9f7da6d5 NC |
642 | PERLVAR(Istashcache, HV *) /* Cache to speed up S_method_common */ |
643 | ||
15a5279a JH |
644 | /* Hooks to shared SVs and locks. */ |
645 | PERLVARI(Isharehook, share_proc_t, MEMBER_TO_FPTR(Perl_sv_nosharing)) | |
d5b2b27b | 646 | PERLVARI(Ilockhook, share_proc_t, MEMBER_TO_FPTR(Perl_sv_nosharing)) |
d0647d4e NC |
647 | #ifdef NO_MATHOMS |
648 | # define PERL_UNLOCK_HOOK Perl_sv_nosharing | |
649 | #else | |
650 | /* This reference ensures that the mathoms are linked with perl */ | |
651 | # define PERL_UNLOCK_HOOK Perl_sv_nounlocking | |
652 | #endif | |
653 | PERLVARI(Iunlockhook, share_proc_t, MEMBER_TO_FPTR(PERL_UNLOCK_HOOK)) | |
654 | ||
15a5279a JH |
655 | PERLVARI(Ithreadhook, thrhook_proc_t, MEMBER_TO_FPTR(Perl_nothreadhook)) |
656 | ||
504f80c1 JH |
657 | PERLVARI(Ihash_seed, UV, 0) /* Hash initializer */ |
658 | ||
008fb0c0 | 659 | PERLVARI(Irehash_seed, UV, 0) /* 582 hash initializer */ |
4b5190b5 | 660 | |
ba6d381e | 661 | PERLVARI(Iisarev, HV*, NULL) /* Reverse map of @ISA dependencies */ |
f16dd614 | 662 | |
ffee3ff6 NC |
663 | /* The last unconditional member of the interpreter structure when 5.10.0 was |
664 | released. The offset of the end of this is baked into a global variable in | |
665 | any shared perl library which will allow a sanity test in future perl | |
666 | releases. */ | |
667 | #define PERL_LAST_5_10_0_INTERP_MEMBER Iisarev | |
668 | ||
f16dd614 | 669 | #ifdef PERL_IMPLICIT_CONTEXT |
4c901e72 | 670 | PERLVARI(Imy_cxt_size, int, 0) /* size of PL_my_cxt_list */ |
f16dd614 | 671 | PERLVARI(Imy_cxt_list, void **, NULL) /* per-module array of MY_CXT pointers */ |
ba6d381e | 672 | # ifdef PERL_GLOBAL_STRUCT_PRIVATE |
53d44271 | 673 | PERLVARI(Imy_cxt_keys, const char **, NULL) /* per-module array of pointers to MY_CXT_KEY constants */ |
ba6d381e | 674 | # endif |
f16dd614 DM |
675 | #endif |
676 | ||
7cb608b5 NC |
677 | #ifdef PERL_TRACK_MEMPOOL |
678 | /* For use with the memory debugging code in util.c */ | |
679 | PERLVAR(Imemory_debug_header, struct perl_memory_debug_header) | |
680 | #endif | |
681 | ||
ba6d381e NC |
682 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
683 | /* File descriptor to talk to the child which dumps scalars. */ | |
684 | PERLVARI(Idumper_fd, int, -1) | |
685 | #endif | |
686 | ||
687 | /* Stores the PPID */ | |
688 | #ifdef THREADS_HAVE_PIDS | |
689 | PERLVARI(Ippid, IV, 0) | |
690 | #endif | |
691 | ||
692 | #ifdef PERL_MAD | |
693 | PERLVARI(Imadskills, bool, FALSE) /* preserve all syntactic info */ | |
694 | /* (MAD = Misc Attribute Decoration) */ | |
695 | PERLVARI(Ixmlfp, PerlIO *,NULL) | |
696 | #endif | |
697 | ||
698 | #ifdef PL_OP_SLAB_ALLOC | |
699 | PERLVAR(IOpPtr,I32 **) | |
700 | PERLVARI(IOpSpace,I32,0) | |
701 | PERLVAR(IOpSlab,I32 *) | |
702 | #endif | |
703 | ||
f1fac472 NC |
704 | #ifdef PERL_DEBUG_READONLY_OPS |
705 | PERLVARI(Islabs, I32**, NULL) /* Array of slabs that have been allocated */ | |
706 | PERLVARI(Islab_count, U32, 0) /* Size of the array */ | |
707 | #endif | |
708 | ||
eba16661 JH |
709 | /* Can shared object be destroyed */ |
710 | PERLVARI(Idestroyhook, destroyable_proc_t, MEMBER_TO_FPTR(Perl_sv_destroyable)) | |
711 | ||
d7a2c63c MHM |
712 | #ifdef DEBUG_LEAKING_SCALARS |
713 | PERLVARI(Isv_serial, U32, 0) /* SV serial number, used in sv.c */ | |
714 | #endif | |
715 | ||
a3e6e81e NC |
716 | /* Register of known Method Resolution Orders. |
717 | What this actually points to is an implementation detail (it may change to | |
718 | a structure incorporating a reference count - use mro_get_from_name to | |
719 | retrieve a C<struct mro_alg *> */ | |
720 | PERLVAR(Iregistered_mros, HV *) | |
721 | ||
157b3822 NC |
722 | /* If you are adding a U8 or U16, check to see if there are 'Space' comments |
723 | * above on where there are gaps which currently will be structure padding. */ | |
d95e864f NC |
724 | |
725 | /* Within a stable branch, new variables must be added to the very end, before | |
726 | * this comment, for binary compatibility (the offsets of the old members must | |
727 | * not change). | |
b83cd129 | 728 | * (Don't forget to add your variable also to perl_clone()!) |
e3acbfda | 729 | * XSUB.h provides wrapper functions via perlapi.h that make this |
b83cd129 JH |
730 | * irrelevant, but not all code may be expected to #include XSUB.h. |
731 | */ |