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907b3e23 DM |
1 | /* intrpvar.h |
2 | * | |
3 | * Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, | |
4 | * 2006, 2007 | |
5 | * by Larry Wall and others | |
6 | * | |
7 | * You may distribute under the terms of either the GNU General Public | |
8 | * License or the Artistic License, as specified in the README file. | |
9 | * | |
10 | */ | |
11 | ||
12 | /* | |
13 | =head1 Per-Interpreter Variables | |
14 | */ | |
49f531da | 15 | |
907b3e23 DM |
16 | /* These variables are per-interpreter in threaded/multiplicity builds, |
17 | * global otherwise. | |
18 | ||
19 | * Don't forget to re-run embed.pl to propagate changes! */ | |
cb68f92d | 20 | |
6537fe72 MS |
21 | /* New variables must be added to the very end for binary compatibility. |
22 | * XSUB.h provides wrapper functions via perlapi.h that make this | |
23 | * irrelevant, but not all code may be expected to #include XSUB.h. */ | |
24 | ||
02506efe JH |
25 | /* Don't forget to add your variable also to perl_clone()! */ |
26 | ||
cb68f92d GS |
27 | /* The 'I' prefix is only needed for vars that need appropriate #defines |
28 | * generated when built with or without MULTIPLICITY. It is also used | |
29 | * to generate the appropriate export list for win32. | |
30 | * | |
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 | ||
35 | PERLVAR(Istack_sp, SV **) /* top of the stack */ | |
36 | #ifdef OP_IN_REGISTER | |
37 | PERLVAR(Iopsave, OP *) | |
38 | #else | |
39 | PERLVAR(Iop, OP *) /* currently executing op */ | |
40 | #endif | |
41 | PERLVAR(Icurpad, SV **) /* active pad (lexicals+tmps) */ | |
42 | ||
43 | PERLVAR(Istack_base, SV **) | |
44 | PERLVAR(Istack_max, SV **) | |
45 | ||
46 | PERLVAR(Iscopestack, I32 *) /* scopes we've ENTERed */ | |
47 | PERLVAR(Iscopestack_ix, I32) | |
48 | PERLVAR(Iscopestack_max,I32) | |
49 | ||
50 | PERLVAR(Isavestack, ANY *) /* items that need to be restored when | |
51 | LEAVEing scopes we've ENTERed */ | |
52 | PERLVAR(Isavestack_ix, I32) | |
53 | PERLVAR(Isavestack_max, I32) | |
54 | ||
55 | PERLVAR(Itmps_stack, SV **) /* mortals we've made */ | |
56 | PERLVARI(Itmps_ix, I32, -1) | |
57 | PERLVARI(Itmps_floor, I32, -1) | |
58 | PERLVAR(Itmps_max, I32) | |
59 | PERLVAR(Imodcount, I32) /* how much mod()ification in | |
60 | assignment? */ | |
61 | ||
62 | PERLVAR(Imarkstack, I32 *) /* stack_sp locations we're | |
63 | remembering */ | |
64 | PERLVAR(Imarkstack_ptr, I32 *) | |
65 | PERLVAR(Imarkstack_max, I32 *) | |
66 | ||
67 | PERLVAR(ISv, SV *) /* used to hold temporary values */ | |
68 | PERLVAR(IXpv, XPV *) /* used to hold temporary values */ | |
69 | ||
70 | /* | |
71 | =for apidoc Amn|STRLEN|PL_na | |
72 | ||
73 | A convenience variable which is typically used with C<SvPV> when one | |
74 | doesn't care about the length of the string. It is usually more efficient | |
75 | to either declare a local variable and use that instead or to use the | |
76 | C<SvPV_nolen> macro. | |
77 | ||
78 | =cut | |
79 | */ | |
80 | ||
81 | PERLVAR(Ina, STRLEN) /* for use in SvPV when length is | |
82 | Not Applicable */ | |
83 | ||
84 | /* stat stuff */ | |
85 | PERLVAR(Istatbuf, Stat_t) | |
86 | PERLVAR(Istatcache, Stat_t) /* _ */ | |
87 | PERLVAR(Istatgv, GV *) | |
88 | PERLVARI(Istatname, SV *, NULL) | |
89 | ||
90 | #ifdef HAS_TIMES | |
91 | PERLVAR(Itimesbuf, struct tms) | |
92 | #endif | |
93 | ||
94 | /* Fields used by magic variables such as $@, $/ and so on */ | |
95 | PERLVAR(Icurpm, PMOP *) /* what to do \ interps in REs from */ | |
96 | ||
97 | /* | |
98 | =for apidoc mn|SV*|PL_rs | |
99 | ||
100 | The input record separator - C<$/> in Perl space. | |
101 | ||
102 | =for apidoc mn|GV*|PL_last_in_gv | |
103 | ||
104 | The GV which was last used for a filehandle input operation. (C<< <FH> >>) | |
105 | ||
106 | =for apidoc mn|SV*|PL_ofs_sv | |
107 | ||
108 | The output field separator - C<$,> in Perl space. | |
109 | ||
110 | =cut | |
111 | */ | |
112 | ||
113 | PERLVAR(Irs, SV *) /* input record separator $/ */ | |
114 | PERLVAR(Ilast_in_gv, GV *) /* GV used in last <FH> */ | |
115 | PERLVAR(Iofs_sv, SV *) /* output field separator $, */ | |
116 | PERLVAR(Idefoutgv, GV *) /* default FH for output */ | |
117 | PERLVARI(Ichopset, const char *, " \n-") /* $: */ | |
118 | PERLVAR(Iformtarget, SV *) | |
119 | PERLVAR(Ibodytarget, SV *) | |
120 | PERLVAR(Itoptarget, SV *) | |
121 | ||
122 | /* Stashes */ | |
123 | PERLVAR(Idefstash, HV *) /* main symbol table */ | |
124 | PERLVAR(Icurstash, HV *) /* symbol table for current package */ | |
125 | ||
126 | PERLVAR(Irestartop, OP *) /* propagating an error from croak? */ | |
127 | PERLVAR(Icurcop, COP * VOL) | |
128 | PERLVAR(Icurstack, AV *) /* THE STACK */ | |
129 | PERLVAR(Icurstackinfo, PERL_SI *) /* current stack + context */ | |
130 | PERLVAR(Imainstack, AV *) /* the stack when nothing funny is | |
131 | happening */ | |
132 | ||
133 | PERLVAR(Itop_env, JMPENV *) /* ptr to current sigjmp environment */ | |
134 | PERLVAR(Istart_env, JMPENV) /* empty startup sigjmp environment */ | |
135 | PERLVARI(Ierrors, SV *, NULL) /* outstanding queued errors */ | |
136 | ||
137 | /* statics "owned" by various functions */ | |
907b3e23 DM |
138 | PERLVAR(Ihv_fetch_ent_mh, HE*) /* owned by hv_fetch_ent() */ |
139 | ||
907b3e23 DM |
140 | PERLVAR(Ilastgotoprobe, OP*) /* from pp_ctl.c */ |
141 | ||
142 | /* sort stuff */ | |
143 | PERLVAR(Isortcop, OP *) /* user defined sort routine */ | |
144 | PERLVAR(Isortstash, HV *) /* which is in some package or other */ | |
145 | PERLVAR(Ifirstgv, GV *) /* $a */ | |
146 | PERLVAR(Isecondgv, GV *) /* $b */ | |
147 | ||
148 | /* float buffer */ | |
149 | PERLVAR(Iefloatbuf, char *) | |
150 | PERLVAR(Iefloatsize, STRLEN) | |
151 | ||
152 | /* regex stuff */ | |
153 | ||
154 | PERLVAR(Iscreamfirst, I32 *) | |
155 | PERLVAR(Iscreamnext, I32 *) | |
156 | PERLVAR(Ilastscream, SV *) | |
157 | ||
158 | PERLVAR(Ireg_state, struct re_save_state) | |
159 | ||
160 | PERLVAR(Iregdummy, regnode) /* from regcomp.c */ | |
161 | ||
162 | PERLVARI(Idumpindent, U16, 4) /* number of blanks per dump | |
163 | indentation level */ | |
164 | ||
c3c974a6 | 165 | /* Space for U16 here without increasing the structure size */ |
907b3e23 DM |
166 | |
167 | PERLVARA(Icolors,6, char *) /* from regcomp.c */ | |
168 | ||
169 | PERLVARI(Ipeepp, peep_t, MEMBER_TO_FPTR(Perl_peep)) | |
170 | /* Pointer to peephole optimizer */ | |
171 | ||
172 | PERLVARI(Imaxscream, I32, -1) | |
173 | PERLVARI(Ireginterp_cnt,I32, 0) /* Whether "Regexp" was interpolated. */ | |
174 | PERLVARI(Iwatchaddr, char **, 0) | |
175 | PERLVAR(Iwatchok, char *) | |
176 | ||
177 | /* the currently active slab in a chain of slabs of regmatch states, | |
178 | * and the currently active state within that slab */ | |
179 | ||
180 | PERLVARI(Iregmatch_slab, regmatch_slab *, NULL) | |
181 | PERLVAR(Iregmatch_state, regmatch_state *) | |
182 | ||
907b3e23 | 183 | /* Put anything new that is pointer aligned here. */ |
d95e864f | 184 | |
907b3e23 DM |
185 | PERLVAR(Idelaymagic, U16) /* ($<,$>) = ... */ |
186 | PERLVAR(Ilocalizing, U8) /* are we processing a local() list? */ | |
187 | PERLVAR(Icolorset, bool) /* from regcomp.c */ | |
188 | PERLVARI(Idirty, bool, FALSE) /* in the middle of tearing things | |
189 | down? */ | |
190 | PERLVAR(Iin_eval, VOL U8) /* trap "fatal" errors? */ | |
191 | PERLVAR(Itainted, bool) /* using variables controlled by $< */ | |
d95e864f NC |
192 | |
193 | /* This value may be set when embedding for full cleanup */ | |
194 | /* 0=none, 1=full, 2=full with checks */ | |
195 | PERLVARI(Iperl_destruct_level, U8, 0) | |
196 | ||
197 | PERLVAR(Iperldb, U32) | |
198 | ||
49f531da | 199 | /* pseudo environmental stuff */ |
d95e864f | 200 | PERLVAR(Iorigargc, int) |
cb68f92d GS |
201 | PERLVAR(Iorigargv, char **) |
202 | PERLVAR(Ienvgv, GV *) | |
cb68f92d | 203 | PERLVAR(Iincgv, GV *) |
b3ac6de7 | 204 | PERLVAR(Ihintgv, GV *) |
cb68f92d GS |
205 | PERLVAR(Iorigfilename, char *) |
206 | PERLVAR(Idiehook, SV *) | |
207 | PERLVAR(Iwarnhook, SV *) | |
1d7c1841 GS |
208 | |
209 | /* switches */ | |
a7cb1f99 | 210 | PERLVAR(Ipatchlevel, SV *) |
27da23d5 | 211 | PERLVAR(Ilocalpatches, const char * const *) |
dd374669 | 212 | PERLVARI(Isplitstr, const char *, " ") |
9f7da6d5 NC |
213 | |
214 | PERLVAR(Iminus_c, bool) | |
cb68f92d GS |
215 | PERLVAR(Ipreprocess, bool) |
216 | PERLVAR(Iminus_n, bool) | |
217 | PERLVAR(Iminus_p, bool) | |
218 | PERLVAR(Iminus_l, bool) | |
219 | PERLVAR(Iminus_a, bool) | |
220 | PERLVAR(Iminus_F, bool) | |
221 | PERLVAR(Idoswitches, bool) | |
9f7da6d5 | 222 | |
bc9b29db | 223 | PERLVAR(Iminus_E, bool) |
954c1994 GS |
224 | |
225 | /* | |
ccfc67b7 | 226 | |
2eb25c99 | 227 | =for apidoc mn|bool|PL_dowarn |
954c1994 GS |
228 | |
229 | The C variable which corresponds to Perl's $^W warning variable. | |
230 | ||
231 | =cut | |
232 | */ | |
233 | ||
d41ff1b8 | 234 | PERLVAR(Idowarn, U8) |
cb68f92d | 235 | PERLVAR(Idoextract, bool) |
49f531da | 236 | PERLVAR(Isawampersand, bool) /* must save all match strings */ |
cb68f92d | 237 | PERLVAR(Iunsafe, bool) |
9f7da6d5 NC |
238 | PERLVAR(Iexit_flags, U8) /* was exit() unexpected, etc. */ |
239 | PERLVAR(Isrand_called, bool) | |
240 | /* Part of internal state, but makes the 16th 1 byte variable in a row. */ | |
241 | PERLVAR(Itainting, bool) /* doing taint checks */ | |
cb68f92d GS |
242 | PERLVAR(Iinplace, char *) |
243 | PERLVAR(Ie_script, SV *) | |
49f531da NIS |
244 | |
245 | /* magical thingies */ | |
246 | PERLVAR(Ibasetime, Time_t) /* $^T */ | |
247 | PERLVAR(Iformfeed, SV *) /* $^L */ | |
d4cce5f1 NIS |
248 | |
249 | ||
cb68f92d GS |
250 | PERLVARI(Imaxsysfd, I32, MAXSYSFD) |
251 | /* top fd to pass to subprocesses */ | |
49f531da NIS |
252 | PERLVAR(Istatusvalue, I32) /* $? */ |
253 | #ifdef VMS | |
cb68f92d | 254 | PERLVAR(Istatusvalue_vms,U32) |
e5218da5 GA |
255 | #else |
256 | PERLVAR(Istatusvalue_posix,I32) | |
49f531da NIS |
257 | #endif |
258 | ||
49f531da | 259 | /* shortcuts to various I/O objects */ |
cb68f92d | 260 | PERLVAR(Istdingv, GV *) |
bf49b057 | 261 | PERLVAR(Istderrgv, GV *) |
cb68f92d GS |
262 | PERLVAR(Idefgv, GV *) |
263 | PERLVAR(Iargvgv, GV *) | |
264 | PERLVAR(Iargvoutgv, GV *) | |
1d7c1841 | 265 | PERLVAR(Iargvout_stack, AV *) |
49f531da NIS |
266 | |
267 | /* shortcuts to regexp stuff */ | |
cb68f92d | 268 | PERLVAR(Ireplgv, GV *) |
49f531da NIS |
269 | |
270 | /* shortcuts to misc objects */ | |
cb68f92d | 271 | PERLVAR(Ierrgv, GV *) |
49f531da NIS |
272 | |
273 | /* shortcuts to debugging objects */ | |
cb68f92d GS |
274 | PERLVAR(IDBgv, GV *) |
275 | PERLVAR(IDBline, GV *) | |
954c1994 GS |
276 | |
277 | /* | |
2eb25c99 | 278 | =for apidoc mn|GV *|PL_DBsub |
954c1994 GS |
279 | When Perl is run in debugging mode, with the B<-d> switch, this GV contains |
280 | the SV which holds the name of the sub being debugged. This is the C | |
281 | variable which corresponds to Perl's $DB::sub variable. See | |
282 | C<PL_DBsingle>. | |
283 | ||
2eb25c99 | 284 | =for apidoc mn|SV *|PL_DBsingle |
954c1994 | 285 | When Perl is run in debugging mode, with the B<-d> switch, this SV is a |
7889fe52 | 286 | boolean which indicates whether subs are being single-stepped. |
954c1994 GS |
287 | Single-stepping is automatically turned on after every step. This is the C |
288 | variable which corresponds to Perl's $DB::single variable. See | |
289 | C<PL_DBsub>. | |
290 | ||
2eb25c99 | 291 | =for apidoc mn|SV *|PL_DBtrace |
954c1994 GS |
292 | Trace variable used when Perl is run in debugging mode, with the B<-d> |
293 | switch. This is the C variable which corresponds to Perl's $DB::trace | |
294 | variable. See C<PL_DBsingle>. | |
295 | ||
296 | =cut | |
297 | */ | |
298 | ||
cb68f92d GS |
299 | PERLVAR(IDBsub, GV *) |
300 | PERLVAR(IDBsingle, SV *) | |
301 | PERLVAR(IDBtrace, SV *) | |
302 | PERLVAR(IDBsignal, SV *) | |
49f531da NIS |
303 | PERLVAR(Idbargs, AV *) /* args to call listed by caller function */ |
304 | ||
305 | /* symbol tables */ | |
49f531da NIS |
306 | PERLVAR(Idebstash, HV *) /* symbol table for perldb package */ |
307 | PERLVAR(Iglobalstash, HV *) /* global keyword overrides imported here */ | |
308 | PERLVAR(Icurstname, SV *) /* name of current package */ | |
309 | PERLVAR(Ibeginav, AV *) /* names of BEGIN subroutines */ | |
d4cce5f1 | 310 | PERLVAR(Iendav, AV *) /* names of END subroutines */ |
3c10abe3 | 311 | PERLVAR(Iunitcheckav, AV *) /* names of UNITCHECK subroutines */ |
7d30b5c4 | 312 | PERLVAR(Icheckav, AV *) /* names of CHECK subroutines */ |
49f531da NIS |
313 | PERLVAR(Iinitav, AV *) /* names of INIT subroutines */ |
314 | PERLVAR(Istrtab, HV *) /* shared string table */ | |
005a453c | 315 | PERLVARI(Isub_generation,U32,1) /* incr to invalidate method cache */ |
49f531da | 316 | |
9f7da6d5 NC |
317 | /* funky return mechanisms */ |
318 | PERLVAR(Iforkprocess, int) /* so do_open |- can return proc# */ | |
319 | ||
49f531da | 320 | /* memory management */ |
49f531da NIS |
321 | PERLVAR(Isv_count, I32) /* how many SV* are currently allocated */ |
322 | PERLVAR(Isv_objcount, I32) /* how many objects are currently allocated */ | |
323 | PERLVAR(Isv_root, SV*) /* storage for SVs belonging to interp */ | |
324 | PERLVAR(Isv_arenaroot, SV*) /* list of areas for garbage collection */ | |
325 | ||
49f531da | 326 | /* subprocess state */ |
d4cce5f1 | 327 | PERLVAR(Ifdpid, AV *) /* keep fd-to-pid mappings for my_popen */ |
49f531da NIS |
328 | |
329 | /* internal state */ | |
49f531da NIS |
330 | PERLVARI(Iop_mask, char *, NULL) /* masked operations for safe evals */ |
331 | ||
49f531da | 332 | /* current interpreter roots */ |
cb68f92d GS |
333 | PERLVAR(Imain_cv, CV *) |
334 | PERLVAR(Imain_root, OP *) | |
335 | PERLVAR(Imain_start, OP *) | |
336 | PERLVAR(Ieval_root, OP *) | |
337 | PERLVAR(Ieval_start, OP *) | |
49f531da NIS |
338 | |
339 | /* runtime control stuff */ | |
cb68f92d | 340 | PERLVARI(Icurcopdb, COP *, NULL) |
49f531da | 341 | |
49f531da NIS |
342 | PERLVAR(Ifilemode, int) /* so nextargv() can preserve mode */ |
343 | PERLVAR(Ilastfd, int) /* what to preserve mode on */ | |
344 | PERLVAR(Ioldname, char *) /* what to preserve mode on */ | |
d4cce5f1 NIS |
345 | PERLVAR(IArgv, char **) /* stuff to free from do_aexec, vfork safe */ |
346 | PERLVAR(ICmd, char *) /* stuff to free from do_aexec, vfork safe */ | |
00accf8d NC |
347 | /* Elements in this array have ';' appended and are injected as a single line |
348 | into the tokeniser. You can't put any (literal) newlines into any program | |
349 | you stuff in into this array, as the point where it's injected is expecting | |
350 | a single physical line. */ | |
cb68f92d | 351 | PERLVAR(Ipreambleav, AV *) |
cb68f92d | 352 | PERLVAR(Imess_sv, SV *) |
7889fe52 | 353 | PERLVAR(Iors_sv, SV *) /* output record separator $\ */ |
71eebe1e NC |
354 | /* statics moved here for shared library purposes */ |
355 | PERLVARI(Igensym, I32, 0) /* next symbol for getsym() to define */ | |
a4021b77 | 356 | PERLVARI(Icv_has_eval, bool, FALSE) /* PL_compcv includes an entereval or similar */ |
d95e864f NC |
357 | PERLVARI(Ilaststype, U16, OP_STAT) |
358 | PERLVARI(Ilaststatval, int, -1) | |
d4cce5f1 | 359 | |
4b556e6c | 360 | /* interpreter atexit processing */ |
d95e864f | 361 | PERLVARI(Iexitlistlen, I32, 0) /* length of same */ |
cb68f92d GS |
362 | PERLVARI(Iexitlist, PerlExitListEntry *, NULL) |
363 | /* list of exit functions */ | |
954c1994 GS |
364 | |
365 | /* | |
366 | =for apidoc Amn|HV*|PL_modglobal | |
367 | ||
7889fe52 | 368 | C<PL_modglobal> is a general purpose, interpreter global HV for use by |
954c1994 | 369 | extensions that need to keep information on a per-interpreter basis. |
7889fe52 NIS |
370 | In a pinch, it can also be used as a symbol table for extensions |
371 | to share data among each other. It is a good idea to use keys | |
954c1994 GS |
372 | prefixed by the package name of the extension that owns the data. |
373 | ||
374 | =cut | |
375 | */ | |
376 | ||
cb68f92d GS |
377 | PERLVAR(Imodglobal, HV *) /* per-interp module data */ |
378 | ||
379 | /* these used to be in global before 5.004_68 */ | |
380 | PERLVARI(Iprofiledata, U32 *, NULL) /* table of ops, counts */ | |
cb68f92d GS |
381 | |
382 | PERLVAR(Icompiling, COP) /* compiling/done executing marker */ | |
383 | ||
384 | PERLVAR(Icompcv, CV *) /* currently compiling subroutine */ | |
385 | PERLVAR(Icomppad, AV *) /* storage for lexically scoped temporaries */ | |
386 | PERLVAR(Icomppad_name, AV *) /* variable names for "my" variables */ | |
387 | PERLVAR(Icomppad_name_fill, I32) /* last "introduced" variable offset */ | |
388 | PERLVAR(Icomppad_name_floor, I32) /* start of vars in innermost block */ | |
4b556e6c JD |
389 | |
390 | #ifdef HAVE_INTERP_INTERN | |
cb68f92d GS |
391 | PERLVAR(Isys_intern, struct interp_intern) |
392 | /* platform internals */ | |
4b556e6c JD |
393 | #endif |
394 | ||
7fae4e64 | 395 | /* more statics moved here */ |
7fae4e64 | 396 | PERLVAR(IDBcv, CV *) /* from perl.c */ |
9f7da6d5 | 397 | PERLVARI(Igeneration, int, 100) /* from op.c */ |
56953603 | 398 | |
cb68f92d GS |
399 | PERLVARI(Iin_clean_objs,bool, FALSE) /* from sv.c */ |
400 | PERLVARI(Iin_clean_all, bool, FALSE) /* from sv.c */ | |
9f7da6d5 NC |
401 | PERLVAR(Inomemok, bool) /* let malloc context handle nomem */ |
402 | PERLVARI(Isavebegin, bool, FALSE) /* save BEGINs for compiler */ | |
7fae4e64 | 403 | |
d8eceb89 JH |
404 | PERLVAR(Iuid, Uid_t) /* current real user id */ |
405 | PERLVAR(Ieuid, Uid_t) /* current effective user id */ | |
406 | PERLVAR(Igid, Gid_t) /* current real group id */ | |
407 | PERLVAR(Iegid, Gid_t) /* current effective group id */ | |
bf9cdc68 RG |
408 | PERLVARI(Ian, U32, 0) /* malloc sequence number */ |
409 | PERLVARI(Icop_seqmax, U32, 0) /* statement sequence number */ | |
bf9cdc68 | 410 | PERLVARI(Ievalseq, U32, 0) /* eval sequence number */ |
0672f40e | 411 | PERLVAR(Iorigalen, U32) |
9f7da6d5 | 412 | PERLVAR(Iorigenviron, char **) |
ca0c25f6 | 413 | #ifdef PERL_USES_PL_PIDSTATUS |
0672f40e | 414 | PERLVAR(Ipidstatus, HV *) /* pid-to-status mappings for waitpid */ |
ca0c25f6 | 415 | #endif |
0672f40e | 416 | PERLVAR(Iosname, char *) /* operating system */ |
5c728af0 | 417 | |
0672f40e GS |
418 | PERLVAR(Isighandlerp, Sighandler_t) |
419 | ||
232d1c15 | 420 | PERLVARA(Ibody_roots, PERL_ARENA_ROOTS_SIZE, void*) /* array of body roots */ |
93e68bfb | 421 | |
0672f40e GS |
422 | PERLVAR(Inice_chunk, char *) /* a nice chunk of memory to reuse */ |
423 | PERLVAR(Inice_chunk_size, U32) /* how nice the chunk of memory is */ | |
424 | ||
9f7da6d5 NC |
425 | PERLVARI(Imaxo, int, MAXO) /* maximum number of ops */ |
426 | ||
0b94c7bb | 427 | PERLVARI(Irunops, runops_proc_t, MEMBER_TO_FPTR(RUNOPS_DEFAULT)) |
0672f40e | 428 | |
954c1994 GS |
429 | /* |
430 | =for apidoc Amn|SV|PL_sv_undef | |
431 | This is the C<undef> SV. Always refer to this as C<&PL_sv_undef>. | |
432 | ||
433 | =for apidoc Amn|SV|PL_sv_no | |
434 | This is the C<false> SV. See C<PL_sv_yes>. Always refer to this as | |
435 | C<&PL_sv_no>. | |
436 | ||
437 | =for apidoc Amn|SV|PL_sv_yes | |
438 | This is the C<true> SV. See C<PL_sv_no>. Always refer to this as | |
439 | C<&PL_sv_yes>. | |
440 | ||
441 | =cut | |
442 | */ | |
443 | ||
0672f40e GS |
444 | PERLVAR(Isv_undef, SV) |
445 | PERLVAR(Isv_no, SV) | |
446 | PERLVAR(Isv_yes, SV) | |
447 | ||
0672f40e GS |
448 | PERLVAR(Isubname, SV *) /* name of current subroutine */ |
449 | ||
d95e864f | 450 | PERLVAR(Isubline, I32) /* line this subroutine began on */ |
0672f40e | 451 | PERLVAR(Imin_intro_pending, I32) /* start of vars to introduce */ |
d95e864f | 452 | |
0672f40e GS |
453 | PERLVAR(Imax_intro_pending, I32) /* end of vars to introduce */ |
454 | PERLVAR(Ipadix, I32) /* max used index in current "register" pad */ | |
d95e864f | 455 | |
0672f40e GS |
456 | PERLVAR(Ipadix_floor, I32) /* how low may inner block reset padix */ |
457 | PERLVAR(Ipad_reset_pending, I32) /* reset pad on next attempted alloc */ | |
458 | ||
1d7c1841 | 459 | PERLVAR(Ihints, U32) /* pragma-tic compile-time flags */ |
0672f40e GS |
460 | |
461 | PERLVAR(Idebug, VOL U32) /* flags given to -D switch */ | |
462 | ||
bf9cdc68 | 463 | PERLVARI(Iamagic_generation, long, 0) |
0672f40e GS |
464 | |
465 | #ifdef USE_LOCALE_COLLATE | |
0672f40e | 466 | PERLVAR(Icollation_name,char *) /* Name of current collation */ |
0672f40e GS |
467 | PERLVAR(Icollxfrm_base, Size_t) /* Basic overhead in *xfrm() */ |
468 | PERLVARI(Icollxfrm_mult,Size_t, 2) /* Expansion factor in *xfrm() */ | |
9f7da6d5 NC |
469 | PERLVARI(Icollation_ix, U32, 0) /* Collation generation index */ |
470 | PERLVARI(Icollation_standard, bool, TRUE) | |
471 | /* Assume simple collation */ | |
0672f40e GS |
472 | #endif /* USE_LOCALE_COLLATE */ |
473 | ||
9f7da6d5 | 474 | |
edd11d75 | 475 | #if defined (PERL_UTF8_CACHE_ASSERT) || defined (DEBUGGING) |
95ca8690 | 476 | # define PERL___I -1 |
9f7da6d5 | 477 | #else |
7cd91da4 | 478 | # define PERL___I 1 |
9f7da6d5 | 479 | #endif |
95ca8690 DM |
480 | PERLVARI(Iutf8cache, I8, PERL___I) /* Is the utf8 caching code enabled? */ |
481 | #undef PERL___I | |
482 | ||
9f7da6d5 | 483 | |
0672f40e GS |
484 | #ifdef USE_LOCALE_NUMERIC |
485 | ||
0672f40e GS |
486 | PERLVARI(Inumeric_standard, bool, TRUE) |
487 | /* Assume simple numerics */ | |
488 | PERLVARI(Inumeric_local, bool, TRUE) | |
489 | /* Assume local numerics */ | |
9f7da6d5 | 490 | PERLVAR(Inumeric_name, char *) /* Name of current numeric locale */ |
0672f40e GS |
491 | #endif /* !USE_LOCALE_NUMERIC */ |
492 | ||
493 | /* utf8 character classes */ | |
494 | PERLVAR(Iutf8_alnum, SV *) | |
b8c5462f JH |
495 | PERLVAR(Iutf8_alnumc, SV *) |
496 | PERLVAR(Iutf8_ascii, SV *) | |
0672f40e GS |
497 | PERLVAR(Iutf8_alpha, SV *) |
498 | PERLVAR(Iutf8_space, SV *) | |
b8c5462f JH |
499 | PERLVAR(Iutf8_cntrl, SV *) |
500 | PERLVAR(Iutf8_graph, SV *) | |
0672f40e GS |
501 | PERLVAR(Iutf8_digit, SV *) |
502 | PERLVAR(Iutf8_upper, SV *) | |
503 | PERLVAR(Iutf8_lower, SV *) | |
504 | PERLVAR(Iutf8_print, SV *) | |
b8c5462f JH |
505 | PERLVAR(Iutf8_punct, SV *) |
506 | PERLVAR(Iutf8_xdigit, SV *) | |
0672f40e GS |
507 | PERLVAR(Iutf8_mark, SV *) |
508 | PERLVAR(Iutf8_toupper, SV *) | |
509 | PERLVAR(Iutf8_totitle, SV *) | |
510 | PERLVAR(Iutf8_tolower, SV *) | |
b4e400f9 | 511 | PERLVAR(Iutf8_tofold, SV *) |
0672f40e | 512 | PERLVAR(Ilast_swash_hv, HV *) |
0672f40e GS |
513 | PERLVAR(Ilast_swash_tmps, U8 *) |
514 | PERLVAR(Ilast_swash_slen, STRLEN) | |
9f7da6d5 | 515 | PERLVARA(Ilast_swash_key,10, U8) |
d95e864f NC |
516 | PERLVAR(Ilast_swash_klen, U8) /* Only needs to store 0-10 */ |
517 | ||
518 | #ifdef FCRYPT | |
519 | PERLVARI(Icryptseen, bool, FALSE) /* has fast crypt() been initialized? */ | |
520 | #endif | |
521 | ||
522 | PERLVARI(Iglob_index, int, 0) | |
523 | ||
0672f40e | 524 | |
5912531f | 525 | PERLVAR(Iparser, yy_parser *) /* current parser state */ |
12fbd33b | 526 | |
0672f40e | 527 | PERLVAR(Ibitcount, char *) |
0672f40e | 528 | |
1d7c1841 GS |
529 | PERLVAR(Ipsig_ptr, SV**) |
530 | PERLVAR(Ipsig_name, SV**) | |
531 | ||
c5be433b | 532 | #if defined(PERL_IMPLICIT_SYS) |
32e30700 | 533 | PERLVAR(IMem, struct IPerlMem*) |
1d7c1841 GS |
534 | PERLVAR(IMemShared, struct IPerlMem*) |
535 | PERLVAR(IMemParse, struct IPerlMem*) | |
32e30700 GS |
536 | PERLVAR(IEnv, struct IPerlEnv*) |
537 | PERLVAR(IStdIO, struct IPerlStdIO*) | |
538 | PERLVAR(ILIO, struct IPerlLIO*) | |
539 | PERLVAR(IDir, struct IPerlDir*) | |
540 | PERLVAR(ISock, struct IPerlSock*) | |
541 | PERLVAR(IProc, struct IPerlProc*) | |
76e3520e | 542 | #endif |
1d7c1841 | 543 | |
1d7c1841 | 544 | PERLVAR(Iptr_table, PTR_TBL_t*) |
7d49f689 | 545 | PERLVARI(Ibeginav_save, AV*, NULL) /* save BEGIN{}s when compiling */ |
f180df80 | 546 | |
fdda85ca | 547 | PERLVAR(Ibody_arenas, void*) /* pointer to list of body-arenas */ |
93e68bfb | 548 | |
ce08f86c NIS |
549 | PERLVAR(Ipsig_pend, int *) /* per-signal "count" of pending */ |
550 | PERLVARI(Isig_pending, int,0) /* Number if highest signal pending */ | |
551 | ||
d95e864f NC |
552 | |
553 | PERLVAR(Itaint_warn, bool) /* taint warns instead of dying */ | |
554 | PERLVAR(Iutf8locale, bool) /* utf8 locale detected */ | |
d95e864f NC |
555 | PERLVARI(Irehash_seed_set, bool, FALSE) /* 582 hash initialized? */ |
556 | ||
a453c169 JH |
557 | #ifdef USE_LOCALE_NUMERIC |
558 | ||
559 | PERLVAR(Inumeric_radix_sv, SV *) /* The radix separator if not '.' */ | |
560 | ||
561 | #endif | |
ce08f86c | 562 | |
1fcf4c12 | 563 | #if defined(USE_ITHREADS) |
aefff11f JD |
564 | PERLVAR(Iregex_pad, SV**) /* All regex objects */ |
565 | PERLVAR(Iregex_padav, AV*) /* All regex objects */ | |
e5dd39fc | 566 | |
1fcf4c12 AB |
567 | #endif |
568 | ||
ea68fd67 NC |
569 | #ifdef USE_REENTRANT_API |
570 | PERLVAR(Ireentrant_buffer, REENTR*) /* here we store the _r buffers */ | |
f5a82810 JH |
571 | #endif |
572 | ||
aefff11f | 573 | |
598921a7 NC |
574 | #ifdef PERL_MAD |
575 | PERLVARI(Imadskills, bool, FALSE) /* preserve all syntactic info */ | |
576 | /* (MAD = Misc Attribute Decoration) */ | |
577 | PERLVARI(Ixmlfp, PerlIO *,NULL) | |
578 | #endif | |
579 | ||
53e06cf0 SC |
580 | PERLVAR(Icustom_op_names, HV*) /* Names of user defined ops */ |
581 | PERLVAR(Icustom_op_descs, HV*) /* Descriptions of user defined ops */ | |
19e8ce8e | 582 | |
a1ea730d NIS |
583 | #ifdef PERLIO_LAYERS |
584 | PERLVARI(Iperlio, PerlIO *,NULL) | |
3a1ee7e8 NIS |
585 | PERLVARI(Iknown_layers, PerlIO_list_t *,NULL) |
586 | PERLVARI(Idef_layerlist, PerlIO_list_t *,NULL) | |
a1ea730d NIS |
587 | #endif |
588 | ||
a0714e2c | 589 | PERLVARI(Iencoding, SV*, NULL) /* character encoding */ |
0a378802 | 590 | |
128e8167 | 591 | PERLVAR(Idebug_pad, struct perl_debug_pad) /* always needed because of the re extension */ |
ce333219 | 592 | |
238a4c30 | 593 | #ifdef PL_OP_SLAB_ALLOC |
5a8e194f NIS |
594 | PERLVAR(IOpPtr,I32 **) |
595 | PERLVARI(IOpSpace,I32,0) | |
596 | PERLVAR(IOpSlab,I32 *) | |
238a4c30 NIS |
597 | #endif |
598 | ||
82686b01 JH |
599 | PERLVAR(Iutf8_idstart, SV *) |
600 | PERLVAR(Iutf8_idcont, SV *) | |
601 | ||
147f47de AB |
602 | PERLVAR(Isort_RealCmp, SVCOMPARE_t) |
603 | ||
7d49f689 | 604 | PERLVARI(Icheckav_save, AV*, NULL) /* save CHECK{}s when compiling */ |
3c10abe3 | 605 | PERLVARI(Iunitcheckav_save, AV*, NULL) /* save UNITCHECK{}s when compiling */ |
ece599bd | 606 | |
5311654c JH |
607 | PERLVARI(Iclocktick, long, 0) /* this many times() ticks in a second */ |
608 | ||
edab1aa3 JH |
609 | PERLVARI(Iin_load_module, int, 0) /* to prevent recursions in PerlIO_find_layer */ |
610 | ||
a05d7ebb JH |
611 | PERLVAR(Iunicode, U32) /* Unicode features: $ENV{PERL_UNICODE} or -C */ |
612 | ||
4ffa73a3 JH |
613 | PERLVAR(Isignals, U32) /* Using which pre-5.8 signals */ |
614 | ||
57c6e6d2 JH |
615 | PERLVAR(Ireentrant_retint, int) /* Integer return value from reentrant functions */ |
616 | ||
9f7da6d5 NC |
617 | PERLVAR(Istashcache, HV *) /* Cache to speed up S_method_common */ |
618 | ||
15a5279a JH |
619 | /* Hooks to shared SVs and locks. */ |
620 | PERLVARI(Isharehook, share_proc_t, MEMBER_TO_FPTR(Perl_sv_nosharing)) | |
d5b2b27b | 621 | PERLVARI(Ilockhook, share_proc_t, MEMBER_TO_FPTR(Perl_sv_nosharing)) |
d0647d4e NC |
622 | #ifdef NO_MATHOMS |
623 | # define PERL_UNLOCK_HOOK Perl_sv_nosharing | |
624 | #else | |
625 | /* This reference ensures that the mathoms are linked with perl */ | |
626 | # define PERL_UNLOCK_HOOK Perl_sv_nounlocking | |
627 | #endif | |
628 | PERLVARI(Iunlockhook, share_proc_t, MEMBER_TO_FPTR(PERL_UNLOCK_HOOK)) | |
629 | ||
15a5279a JH |
630 | PERLVARI(Ithreadhook, thrhook_proc_t, MEMBER_TO_FPTR(Perl_nothreadhook)) |
631 | ||
bce260cd JH |
632 | /* Stores the PPID */ |
633 | #ifdef THREADS_HAVE_PIDS | |
634 | PERLVARI(Ippid, IV, 0) | |
635 | #endif | |
636 | ||
504f80c1 JH |
637 | PERLVARI(Ihash_seed, UV, 0) /* Hash initializer */ |
638 | ||
8b5c2100 JH |
639 | PERLVAR(IDBassertion, SV *) |
640 | ||
008fb0c0 | 641 | PERLVARI(Irehash_seed, UV, 0) /* 582 hash initializer */ |
4b5190b5 | 642 | |
41e4abd8 NC |
643 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
644 | /* File descriptor to talk to the child which dumps scalars. */ | |
645 | PERLVARI(Idumper_fd, int, -1) | |
646 | #endif | |
f16dd614 DM |
647 | |
648 | #ifdef PERL_IMPLICIT_CONTEXT | |
4c901e72 | 649 | PERLVARI(Imy_cxt_size, int, 0) /* size of PL_my_cxt_list */ |
f16dd614 | 650 | PERLVARI(Imy_cxt_list, void **, NULL) /* per-module array of MY_CXT pointers */ |
53d44271 JH |
651 | #ifdef PERL_GLOBAL_STRUCT_PRIVATE |
652 | PERLVARI(Imy_cxt_keys, const char **, NULL) /* per-module array of pointers to MY_CXT_KEY constants */ | |
653 | #endif | |
f16dd614 DM |
654 | #endif |
655 | ||
7cb608b5 NC |
656 | #ifdef PERL_TRACK_MEMPOOL |
657 | /* For use with the memory debugging code in util.c */ | |
658 | PERLVAR(Imemory_debug_header, struct perl_memory_debug_header) | |
659 | #endif | |
660 | ||
f1fac472 NC |
661 | #ifdef PERL_DEBUG_READONLY_OPS |
662 | PERLVARI(Islabs, I32**, NULL) /* Array of slabs that have been allocated */ | |
663 | PERLVARI(Islab_count, U32, 0) /* Size of the array */ | |
664 | #endif | |
665 | ||
c3c974a6 | 666 | PERLVARI(Iisarev, HV*, NULL) /* Reverse map of @ISA dependencies */ |
d804f434 | 667 | |
53a7735b DM |
668 | /* If you are adding a U8 or U16, see the 'Space' comments above on where |
669 | * there are gaps which currently will be structure padding. */ | |
d95e864f NC |
670 | |
671 | /* Within a stable branch, new variables must be added to the very end, before | |
672 | * this comment, for binary compatibility (the offsets of the old members must | |
673 | * not change). | |
b83cd129 | 674 | * (Don't forget to add your variable also to perl_clone()!) |
e3acbfda | 675 | * XSUB.h provides wrapper functions via perlapi.h that make this |
b83cd129 JH |
676 | * irrelevant, but not all code may be expected to #include XSUB.h. |
677 | */ |