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907b3e2 delete thrdvar.h and move its contents to intrpvar.h
Dave Mitchell authored
1 /* intrpvar.h
2 *
3 * Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
1129b88 Update copyright years.
Nicholas Clark authored
4 * 2006, 2007, 2008 by Larry Wall and others
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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 */
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14
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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! */
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19
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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
02506ef @jhi Add reminders to intrpvar.h about perl_clone(), as suggested by Stas.
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24 /* Don't forget to add your variable also to perl_clone()! */
25
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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 *
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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 */
46 PERLVAR(Iscopestack_ix, I32)
47 PERLVAR(Iscopestack_max,I32)
48
49 PERLVAR(Isavestack, ANY *) /* items that need to be restored when
50 LEAVEing scopes we've ENTERed */
51 PERLVAR(Isavestack_ix, I32)
52 PERLVAR(Isavestack_max, I32)
53
54 PERLVAR(Itmps_stack, SV **) /* mortals we've made */
55 PERLVARI(Itmps_ix, I32, -1)
56 PERLVARI(Itmps_floor, I32, -1)
57 PERLVAR(Itmps_max, I32)
58 PERLVAR(Imodcount, I32) /* how much mod()ification in
59 assignment? */
60
61 PERLVAR(Imarkstack, I32 *) /* stack_sp locations we're
62 remembering */
63 PERLVAR(Imarkstack_ptr, I32 *)
64 PERLVAR(Imarkstack_max, I32 *)
65
66 PERLVAR(ISv, SV *) /* used to hold temporary values */
67 PERLVAR(IXpv, XPV *) /* used to hold temporary values */
68
69 /*
70 =for apidoc Amn|STRLEN|PL_na
71
72 A convenience variable which is typically used with C<SvPV> when one
73 doesn't care about the length of the string. It is usually more efficient
74 to either declare a local variable and use that instead or to use the
75 C<SvPV_nolen> macro.
76
77 =cut
78 */
79
80 PERLVAR(Ina, STRLEN) /* for use in SvPV when length is
81 Not Applicable */
82
83 /* stat stuff */
84 PERLVAR(Istatbuf, Stat_t)
85 PERLVAR(Istatcache, Stat_t) /* _ */
86 PERLVAR(Istatgv, GV *)
87 PERLVARI(Istatname, SV *, NULL)
88
89 #ifdef HAS_TIMES
90 PERLVAR(Itimesbuf, struct tms)
91 #endif
92
93 /* Fields used by magic variables such as $@, $/ and so on */
94 PERLVAR(Icurpm, PMOP *) /* what to do \ interps in REs from */
95
96 /*
97 =for apidoc mn|SV*|PL_rs
98
99 The input record separator - C<$/> in Perl space.
100
101 =for apidoc mn|GV*|PL_last_in_gv
102
103 The GV which was last used for a filehandle input operation. (C<< <FH> >>)
104
e23d9e2 @chipdude [perl #948] [PATCH] Allow tied $,
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105 =for apidoc mn|GV*|PL_ofsgv
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106
e23d9e2 @chipdude [perl #948] [PATCH] Allow tied $,
chipdude authored
107 The glob containing the output field separator - C<*,> in Perl space.
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108
109 =cut
110 */
111
112 PERLVAR(Irs, SV *) /* input record separator $/ */
113 PERLVAR(Ilast_in_gv, GV *) /* GV used in last <FH> */
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114 PERLVAR(Iofsgv, GV *) /* GV of output field separator *, */
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115 PERLVAR(Idefoutgv, GV *) /* default FH for output */
116 PERLVARI(Ichopset, const char *, " \n-") /* $: */
117 PERLVAR(Iformtarget, SV *)
118 PERLVAR(Ibodytarget, SV *)
119 PERLVAR(Itoptarget, SV *)
120
121 /* Stashes */
122 PERLVAR(Idefstash, HV *) /* main symbol table */
123 PERLVAR(Icurstash, HV *) /* symbol table for current package */
124
125 PERLVAR(Irestartop, OP *) /* propagating an error from croak? */
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126 PERLVAR(Icurcop, COP *)
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127 PERLVAR(Icurstack, AV *) /* THE STACK */
128 PERLVAR(Icurstackinfo, PERL_SI *) /* current stack + context */
129 PERLVAR(Imainstack, AV *) /* the stack when nothing funny is
130 happening */
131
132 PERLVAR(Itop_env, JMPENV *) /* ptr to current sigjmp environment */
133 PERLVAR(Istart_env, JMPENV) /* empty startup sigjmp environment */
134 PERLVARI(Ierrors, SV *, NULL) /* outstanding queued errors */
135
136 /* statics "owned" by various functions */
137 PERLVAR(Ihv_fetch_ent_mh, HE*) /* owned by hv_fetch_ent() */
138
139 PERLVAR(Ilastgotoprobe, OP*) /* from pp_ctl.c */
140
141 /* sort stuff */
142 PERLVAR(Isortcop, OP *) /* user defined sort routine */
143 PERLVAR(Isortstash, HV *) /* which is in some package or other */
144 PERLVAR(Ifirstgv, GV *) /* $a */
145 PERLVAR(Isecondgv, GV *) /* $b */
146
147 /* float buffer */
148 PERLVAR(Iefloatbuf, char *)
149 PERLVAR(Iefloatsize, STRLEN)
150
151 /* regex stuff */
152
153 PERLVAR(Iscreamfirst, I32 *)
154 PERLVAR(Iscreamnext, I32 *)
155 PERLVAR(Ilastscream, SV *)
156
157 PERLVAR(Ireg_state, struct re_save_state)
158
159 PERLVAR(Iregdummy, regnode) /* from regcomp.c */
160
161 PERLVARI(Idumpindent, U16, 4) /* number of blanks per dump
162 indentation level */
163
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164
165 PERLVAR(Iutf8locale, bool) /* utf8 locale detected */
166 PERLVARI(Irehash_seed_set, bool, FALSE) /* 582 hash initialized? */
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167
168 PERLVARA(Icolors,6, char *) /* from regcomp.c */
169
170 PERLVARI(Ipeepp, peep_t, MEMBER_TO_FPTR(Perl_peep))
171 /* Pointer to peephole optimizer */
172
f37b8c3 @vpit Add a pluggable hook in op_free()
vpit authored
173 PERLVARI(Iopfreehook, Perl_check_t, 0) /* op_free() hook */
174
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175 PERLVARI(Imaxscream, I32, -1)
176 PERLVARI(Ireginterp_cnt,I32, 0) /* Whether "Regexp" was interpolated. */
177 PERLVARI(Iwatchaddr, char **, 0)
178 PERLVAR(Iwatchok, char *)
179
180 /* the currently active slab in a chain of slabs of regmatch states,
181 * and the currently active state within that slab */
182
183 PERLVARI(Iregmatch_slab, regmatch_slab *, NULL)
184 PERLVAR(Iregmatch_state, regmatch_state *)
185
186 /* Put anything new that is pointer aligned here. */
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187
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188 PERLVAR(Idelaymagic, U16) /* ($<,$>) = ... */
189 PERLVAR(Ilocalizing, U8) /* are we processing a local() list? */
190 PERLVAR(Icolorset, bool) /* from regcomp.c */
191 PERLVARI(Idirty, bool, FALSE) /* in the middle of tearing things
192 down? */
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193 PERLVAR(Iin_eval, U8) /* trap "fatal" errors? */
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194 PERLVAR(Itainted, bool) /* using variables controlled by $< */
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195
196 /* This value may be set when embedding for full cleanup */
197 /* 0=none, 1=full, 2=full with checks */
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198 /* mod_perl is special, and also assigns a meaning -1 */
199 PERLVARI(Iperl_destruct_level, signed char, 0)
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200
201 PERLVAR(Iperldb, U32)
202
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203 /* pseudo environmental stuff */
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204 PERLVAR(Iorigargc, int)
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205 PERLVAR(Iorigargv, char **)
206 PERLVAR(Ienvgv, GV *)
207 PERLVAR(Iincgv, GV *)
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208 PERLVAR(Ihintgv, GV *)
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209 PERLVAR(Iorigfilename, char *)
210 PERLVAR(Idiehook, SV *)
211 PERLVAR(Iwarnhook, SV *)
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212
213 /* switches */
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214 PERLVAR(Ipatchlevel, SV *)
27da23d @jhi Symbian port of Perl
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215 PERLVAR(Ilocalpatches, const char * const *)
dd37466 @petdance Consting five
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216 PERLVARI(Isplitstr, const char *, " ")
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217
218 PERLVAR(Iminus_c, bool)
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219 PERLVAR(Iminus_n, bool)
220 PERLVAR(Iminus_p, bool)
221 PERLVAR(Iminus_l, bool)
222 PERLVAR(Iminus_a, bool)
223 PERLVAR(Iminus_F, bool)
224 PERLVAR(Idoswitches, bool)
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225 PERLVAR(Iminus_E, bool)
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226
227 /*
ccfc67b @jhi Missed the =head1 additions.
jhi authored
228
2eb25c9 @jhi Integrate changes #8608,8609,8610,8611,8612,8613 from maintperl.
jhi authored
229 =for apidoc mn|bool|PL_dowarn
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230
231 The C variable which corresponds to Perl's $^W warning variable.
232
233 =cut
234 */
235
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236 PERLVAR(Idowarn, U8)
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237 PERLVAR(Idoextract, bool)
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238 PERLVAR(Isawampersand, bool) /* must save all match strings */
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239 PERLVAR(Iunsafe, bool)
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240 PERLVAR(Iexit_flags, U8) /* was exit() unexpected, etc. */
241 PERLVAR(Isrand_called, bool)
242 /* Part of internal state, but makes the 16th 1 byte variable in a row. */
243 PERLVAR(Itainting, bool) /* doing taint checks */
9688998 Note the U8 sized space created by removing -P, and check that it is
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244 /* Space for a U8 */
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245 PERLVAR(Iinplace, char *)
246 PERLVAR(Ie_script, SV *)
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247
248 /* magical thingies */
249 PERLVAR(Ibasetime, Time_t) /* $^T */
250 PERLVAR(Iformfeed, SV *) /* $^L */
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251
252
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253 PERLVARI(Imaxsysfd, I32, MAXSYSFD)
254 /* top fd to pass to subprocesses */
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255 PERLVAR(Istatusvalue, I32) /* $? */
256 #ifdef VMS
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257 PERLVAR(Istatusvalue_vms,U32)
e5218da @gisle Well defined $? and introduction of ${^CHILD_ERROR_NATIVE} [PATCH]
gisle authored
258 #else
259 PERLVAR(Istatusvalue_posix,I32)
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260 #endif
261
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262 PERLVARI(Isig_pending, int,0) /* Number if highest signal pending */
263 PERLVAR(Ipsig_pend, int *) /* per-signal "count" of pending */
264
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265 /* shortcuts to various I/O objects */
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266 PERLVAR(Istdingv, GV *)
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267 PERLVAR(Istderrgv, GV *)
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268 PERLVAR(Idefgv, GV *)
269 PERLVAR(Iargvgv, GV *)
270 PERLVAR(Iargvoutgv, GV *)
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271 PERLVAR(Iargvout_stack, AV *)
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272
273 /* shortcuts to regexp stuff */
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274 PERLVAR(Ireplgv, GV *)
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275
276 /* shortcuts to misc objects */
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277 PERLVAR(Ierrgv, GV *)
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278
279 /* shortcuts to debugging objects */
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280 PERLVAR(IDBgv, GV *)
281 PERLVAR(IDBline, GV *)
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282
283 /*
2eb25c9 @jhi Integrate changes #8608,8609,8610,8611,8612,8613 from maintperl.
jhi authored
284 =for apidoc mn|GV *|PL_DBsub
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Gurusamy Sarathy authored
285 When Perl is run in debugging mode, with the B<-d> switch, this GV contains
286 the SV which holds the name of the sub being debugged. This is the C
287 variable which corresponds to Perl's $DB::sub variable. See
288 C<PL_DBsingle>.
289
2eb25c9 @jhi Integrate changes #8608,8609,8610,8611,8612,8613 from maintperl.
jhi authored
290 =for apidoc mn|SV *|PL_DBsingle
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291 When Perl is run in debugging mode, with the B<-d> switch, this SV is a
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292 boolean which indicates whether subs are being single-stepped.
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293 Single-stepping is automatically turned on after every step. This is the C
294 variable which corresponds to Perl's $DB::single variable. See
295 C<PL_DBsub>.
296
2eb25c9 @jhi Integrate changes #8608,8609,8610,8611,8612,8613 from maintperl.
jhi authored
297 =for apidoc mn|SV *|PL_DBtrace
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298 Trace variable used when Perl is run in debugging mode, with the B<-d>
299 switch. This is the C variable which corresponds to Perl's $DB::trace
300 variable. See C<PL_DBsingle>.
301
302 =cut
303 */
304
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305 PERLVAR(IDBsub, GV *)
306 PERLVAR(IDBsingle, SV *)
307 PERLVAR(IDBtrace, SV *)
308 PERLVAR(IDBsignal, SV *)
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309 PERLVAR(Idbargs, AV *) /* args to call listed by caller function */
310
311 /* symbol tables */
312 PERLVAR(Idebstash, HV *) /* symbol table for perldb package */
313 PERLVAR(Iglobalstash, HV *) /* global keyword overrides imported here */
314 PERLVAR(Icurstname, SV *) /* name of current package */
315 PERLVAR(Ibeginav, AV *) /* names of BEGIN subroutines */
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316 PERLVAR(Iendav, AV *) /* names of END subroutines */
3c10abe stab at UNITCHECK blocks
Alexander Gough authored
317 PERLVAR(Iunitcheckav, AV *) /* names of UNITCHECK subroutines */
7d30b5c s/STOP/CHECK/ blocks
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318 PERLVAR(Icheckav, AV *) /* names of CHECK subroutines */
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319 PERLVAR(Iinitav, AV *) /* names of INIT subroutines */
320 PERLVAR(Istrtab, HV *) /* shared string table */
005a453 add more correct version of change#1350 (as yet untested)
Joshua Pritikin authored
321 PERLVARI(Isub_generation,U32,1) /* incr to invalidate method cache */
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322
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323 /* funky return mechanisms */
324 PERLVAR(Iforkprocess, int) /* so do_open |- can return proc# */
325
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326 /* memory management */
327 PERLVAR(Isv_count, I32) /* how many SV* are currently allocated */
328 PERLVAR(Isv_objcount, I32) /* how many objects are currently allocated */
329 PERLVAR(Isv_root, SV*) /* storage for SVs belonging to interp */
330 PERLVAR(Isv_arenaroot, SV*) /* list of areas for garbage collection */
331
332 /* subprocess state */
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333 PERLVAR(Ifdpid, AV *) /* keep fd-to-pid mappings for my_popen */
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334
335 /* internal state */
336 PERLVARI(Iop_mask, char *, NULL) /* masked operations for safe evals */
337
338 /* current interpreter roots */
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339 PERLVAR(Imain_cv, CV *)
340 PERLVAR(Imain_root, OP *)
341 PERLVAR(Imain_start, OP *)
342 PERLVAR(Ieval_root, OP *)
343 PERLVAR(Ieval_start, OP *)
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344
345 /* runtime control stuff */
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346 PERLVARI(Icurcopdb, COP *, NULL)
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347
348 PERLVAR(Ifilemode, int) /* so nextargv() can preserve mode */
349 PERLVAR(Ilastfd, int) /* what to preserve mode on */
350 PERLVAR(Ioldname, char *) /* what to preserve mode on */
360ea90 make miniperl -Wwrite-strings clean
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351 PERLVAR(IArgv, const char **) /* stuff to free from do_aexec, vfork safe */
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352 PERLVAR(ICmd, char *) /* stuff to free from do_aexec, vfork safe */
00accf8 Note the gotcha about newlines in the elements of PL_preambleav.
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353 /* Elements in this array have ';' appended and are injected as a single line
354 into the tokeniser. You can't put any (literal) newlines into any program
355 you stuff in into this array, as the point where it's injected is expecting
356 a single physical line. */
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357 PERLVAR(Ipreambleav, AV *)
358 PERLVAR(Imess_sv, SV *)
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359 PERLVAR(Iors_sv, SV *) /* output record separator $\ */
71eebe1 Shuffling PL_gensym saves 8 bytes on LP64 systems.
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360 /* statics moved here for shared library purposes */
361 PERLVARI(Igensym, I32, 0) /* next symbol for getsym() to define */
a4021b7 PERL_IMPLICIT_CONTEXT is usually defined for threads, so assume that
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362 PERLVARI(Icv_has_eval, bool, FALSE) /* PL_compcv includes an entereval or similar */
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363 PERLVAR(Itaint_warn, bool) /* taint warns instead of dying */
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364 PERLVARI(Ilaststype, U16, OP_STAT)
365 PERLVARI(Ilaststatval, int, -1)
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366
4b556e6 @jandubois [win32] hand-applied patch along with small tweaks
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367 /* interpreter atexit processing */
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368 PERLVARI(Iexitlistlen, I32, 0) /* length of same */
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369 PERLVARI(Iexitlist, PerlExitListEntry *, NULL)
370 /* list of exit functions */
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371
372 /*
373 =for apidoc Amn|HV*|PL_modglobal
374
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375 C<PL_modglobal> is a general purpose, interpreter global HV for use by
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376 extensions that need to keep information on a per-interpreter basis.
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377 In a pinch, it can also be used as a symbol table for extensions
378 to share data among each other. It is a good idea to use keys
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379 prefixed by the package name of the extension that owns the data.
380
381 =cut
382 */
383
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384 PERLVAR(Imodglobal, HV *) /* per-interp module data */
385
386 /* these used to be in global before 5.004_68 */
387 PERLVARI(Iprofiledata, U32 *, NULL) /* table of ops, counts */
388
389 PERLVAR(Icompiling, COP) /* compiling/done executing marker */
390
391 PERLVAR(Icompcv, CV *) /* currently compiling subroutine */
392 PERLVAR(Icomppad, AV *) /* storage for lexically scoped temporaries */
393 PERLVAR(Icomppad_name, AV *) /* variable names for "my" variables */
394 PERLVAR(Icomppad_name_fill, I32) /* last "introduced" variable offset */
395 PERLVAR(Icomppad_name_floor, I32) /* start of vars in innermost block */
4b556e6 @jandubois [win32] hand-applied patch along with small tweaks
jandubois authored
396
397 #ifdef HAVE_INTERP_INTERN
cb68f92 partial MULTIPLICITY cleanup
Gurusamy Sarathy authored
398 PERLVAR(Isys_intern, struct interp_intern)
399 /* platform internals */
4b556e6 @jandubois [win32] hand-applied patch along with small tweaks
jandubois authored
400 #endif
401
7fae4e6 [asperl] added AS patch#5 (patch #4 was intentionally skipped after
Gurusamy Sarathy authored
402 /* more statics moved here */
403 PERLVAR(IDBcv, CV *) /* from perl.c */
9f7da6d By re-ordering declarations in interpvar.h and thrdvar.h, reduce the
Nicholas Clark authored
404 PERLVARI(Igeneration, int, 100) /* from op.c */
5695360 add patch for C<use re 'debug'>
Ilya Zakharevich authored
405
cb68f92 partial MULTIPLICITY cleanup
Gurusamy Sarathy authored
406 PERLVARI(Iin_clean_objs,bool, FALSE) /* from sv.c */
407 PERLVARI(Iin_clean_all, bool, FALSE) /* from sv.c */
9f7da6d By re-ordering declarations in interpvar.h and thrdvar.h, reduce the
Nicholas Clark authored
408 PERLVAR(Inomemok, bool) /* let malloc context handle nomem */
409 PERLVARI(Isavebegin, bool, FALSE) /* save BEGINs for compiler */
7fae4e6 [asperl] added AS patch#5 (patch #4 was intentionally skipped after
Gurusamy Sarathy authored
410
d8eceb8 @jhi Gratuitous uid and gid casts to I32s and ints removed.
jhi authored
411 PERLVAR(Iuid, Uid_t) /* current real user id */
412 PERLVAR(Ieuid, Uid_t) /* current effective user id */
413 PERLVAR(Igid, Gid_t) /* current real group id */
414 PERLVAR(Iegid, Gid_t) /* current effective group id */
bf9cdc6 embedding perl
Radu Greab authored
415 PERLVARI(Ian, U32, 0) /* malloc sequence number */
416 PERLVARI(Icop_seqmax, U32, 0) /* statement sequence number */
417 PERLVARI(Ievalseq, U32, 0) /* eval sequence number */
0672f40 most globals are now interpreter local; locale initialization
Gurusamy Sarathy authored
418 PERLVAR(Iorigalen, U32)
9f7da6d By re-ordering declarations in interpvar.h and thrdvar.h, reduce the
Nicholas Clark authored
419 PERLVAR(Iorigenviron, char **)
ca0c25f Most platforms don't actually need PL_pidstatus, or the associated
Nicholas Clark authored
420 #ifdef PERL_USES_PL_PIDSTATUS
0672f40 most globals are now interpreter local; locale initialization
Gurusamy Sarathy authored
421 PERLVAR(Ipidstatus, HV *) /* pid-to-status mappings for waitpid */
ca0c25f Most platforms don't actually need PL_pidstatus, or the associated
Nicholas Clark authored
422 #endif
0672f40 most globals are now interpreter local; locale initialization
Gurusamy Sarathy authored
423 PERLVAR(Iosname, char *) /* operating system */
5c728af Integrate:
Ilya Zakharevich authored
424
0672f40 most globals are now interpreter local; locale initialization
Gurusamy Sarathy authored
425 PERLVAR(Isighandlerp, Sighandler_t)
426
232d1c1 Steal code from maint, and use PERL_ARENA_ROOTS_SIZE to size the arena
Nicholas Clark authored
427 PERLVARA(Ibody_roots, PERL_ARENA_ROOTS_SIZE, void*) /* array of body roots */
93e68bf Re: eliminate discreet arenaroots
Jim Cromie authored
428
0672f40 most globals are now interpreter local; locale initialization
Gurusamy Sarathy authored
429 PERLVAR(Inice_chunk, char *) /* a nice chunk of memory to reuse */
430 PERLVAR(Inice_chunk_size, U32) /* how nice the chunk of memory is */
431
9f7da6d By re-ordering declarations in interpvar.h and thrdvar.h, reduce the
Nicholas Clark authored
432 PERLVARI(Imaxo, int, MAXO) /* maximum number of ops */
433
0b94c7b fixups for sundry warnings about function pointers
Gurusamy Sarathy authored
434 PERLVARI(Irunops, runops_proc_t, MEMBER_TO_FPTR(RUNOPS_DEFAULT))
0672f40 most globals are now interpreter local; locale initialization
Gurusamy Sarathy authored
435
954c199 autogenerate API listing from comments in the source (from Benjamin
Gurusamy Sarathy authored
436 /*
437 =for apidoc Amn|SV|PL_sv_undef
438 This is the C<undef> SV. Always refer to this as C<&PL_sv_undef>.
439
440 =for apidoc Amn|SV|PL_sv_no
441 This is the C<false> SV. See C<PL_sv_yes>. Always refer to this as
442 C<&PL_sv_no>.
443
444 =for apidoc Amn|SV|PL_sv_yes
445 This is the C<true> SV. See C<PL_sv_no>. Always refer to this as
446 C<&PL_sv_yes>.
447
448 =cut
449 */
450
0672f40 most globals are now interpreter local; locale initialization
Gurusamy Sarathy authored
451 PERLVAR(Isv_undef, SV)
452 PERLVAR(Isv_no, SV)
453 PERLVAR(Isv_yes, SV)
454
455 PERLVAR(Isubname, SV *) /* name of current subroutine */
456
d95e864 More variable reordering saves another 40 bytes from the interpreter
Nicholas Clark authored
457 PERLVAR(Isubline, I32) /* line this subroutine began on */
0672f40 most globals are now interpreter local; locale initialization
Gurusamy Sarathy authored
458 PERLVAR(Imin_intro_pending, I32) /* start of vars to introduce */
d95e864 More variable reordering saves another 40 bytes from the interpreter
Nicholas Clark authored
459
0672f40 most globals are now interpreter local; locale initialization
Gurusamy Sarathy authored
460 PERLVAR(Imax_intro_pending, I32) /* end of vars to introduce */
461 PERLVAR(Ipadix, I32) /* max used index in current "register" pad */
d95e864 More variable reordering saves another 40 bytes from the interpreter
Nicholas Clark authored
462
0672f40 most globals are now interpreter local; locale initialization
Gurusamy Sarathy authored
463 PERLVAR(Ipadix_floor, I32) /* how low may inner block reset padix */
464
1d7c184 integrate mainline changes
Gurusamy Sarathy authored
465 PERLVAR(Ihints, U32) /* pragma-tic compile-time flags */
0672f40 most globals are now interpreter local; locale initialization
Gurusamy Sarathy authored
466
467 PERLVAR(Idebug, VOL U32) /* flags given to -D switch */
468
f0cb02e The vestigial PL_pad_reset_pending can actually be bool, rather than
Nicholas Clark authored
469 /* Perl_Ibreakable_sub_generation_ptr was too long for VMS, hence "gen" */
470 PERLVARI(Ibreakable_sub_gen, U32, 0)
471
bf9cdc6 embedding perl
Radu Greab authored
472 PERLVARI(Iamagic_generation, long, 0)
0672f40 most globals are now interpreter local; locale initialization
Gurusamy Sarathy authored
473
474 #ifdef USE_LOCALE_COLLATE
475 PERLVAR(Icollation_name,char *) /* Name of current collation */
476 PERLVAR(Icollxfrm_base, Size_t) /* Basic overhead in *xfrm() */
477 PERLVARI(Icollxfrm_mult,Size_t, 2) /* Expansion factor in *xfrm() */
9f7da6d By re-ordering declarations in interpvar.h and thrdvar.h, reduce the
Nicholas Clark authored
478 PERLVARI(Icollation_ix, U32, 0) /* Collation generation index */
479 PERLVARI(Icollation_standard, bool, TRUE)
480 /* Assume simple collation */
0672f40 most globals are now interpreter local; locale initialization
Gurusamy Sarathy authored
481 #endif /* USE_LOCALE_COLLATE */
482
9f7da6d By re-ordering declarations in interpvar.h and thrdvar.h, reduce the
Nicholas Clark authored
483
edd11d7 enable utf8 cache assertions on DEBUGGING builds
Dave Mitchell authored
484 #if defined (PERL_UTF8_CACHE_ASSERT) || defined (DEBUGGING)
95ca869 delete unused vars PL_av_fetch_sv, PL_hv_fetch_sv
Dave Mitchell authored
485 # define PERL___I -1
9f7da6d By re-ordering declarations in interpvar.h and thrdvar.h, reduce the
Nicholas Clark authored
486 #else
7cd91da change #31246 unconditionally enabled utf8 cache debugging code
Dave Mitchell authored
487 # define PERL___I 1
9f7da6d By re-ordering declarations in interpvar.h and thrdvar.h, reduce the
Nicholas Clark authored
488 #endif
95ca869 delete unused vars PL_av_fetch_sv, PL_hv_fetch_sv
Dave Mitchell authored
489 PERLVARI(Iutf8cache, I8, PERL___I) /* Is the utf8 caching code enabled? */
490 #undef PERL___I
491
9f7da6d By re-ordering declarations in interpvar.h and thrdvar.h, reduce the
Nicholas Clark authored
492
0672f40 most globals are now interpreter local; locale initialization
Gurusamy Sarathy authored
493 #ifdef USE_LOCALE_NUMERIC
494
495 PERLVARI(Inumeric_standard, bool, TRUE)
496 /* Assume simple numerics */
497 PERLVARI(Inumeric_local, bool, TRUE)
498 /* Assume local numerics */
9f7da6d By re-ordering declarations in interpvar.h and thrdvar.h, reduce the
Nicholas Clark authored
499 PERLVAR(Inumeric_name, char *) /* Name of current numeric locale */
0672f40 most globals are now interpreter local; locale initialization
Gurusamy Sarathy authored
500 #endif /* !USE_LOCALE_NUMERIC */
501
502 /* utf8 character classes */
503 PERLVAR(Iutf8_alnum, SV *)
b8c5462 @jhi POSIX [[:character class:]] support for standard, locale,
jhi authored
504 PERLVAR(Iutf8_alnumc, SV *)
505 PERLVAR(Iutf8_ascii, SV *)
0672f40 most globals are now interpreter local; locale initialization
Gurusamy Sarathy authored
506 PERLVAR(Iutf8_alpha, SV *)
507 PERLVAR(Iutf8_space, SV *)
b8c5462 @jhi POSIX [[:character class:]] support for standard, locale,
jhi authored
508 PERLVAR(Iutf8_cntrl, SV *)
509 PERLVAR(Iutf8_graph, SV *)
0672f40 most globals are now interpreter local; locale initialization
Gurusamy Sarathy authored
510 PERLVAR(Iutf8_digit, SV *)
511 PERLVAR(Iutf8_upper, SV *)
512 PERLVAR(Iutf8_lower, SV *)
513 PERLVAR(Iutf8_print, SV *)
b8c5462 @jhi POSIX [[:character class:]] support for standard, locale,
jhi authored
514 PERLVAR(Iutf8_punct, SV *)
515 PERLVAR(Iutf8_xdigit, SV *)
0672f40 most globals are now interpreter local; locale initialization
Gurusamy Sarathy authored
516 PERLVAR(Iutf8_mark, SV *)
517 PERLVAR(Iutf8_toupper, SV *)
518 PERLVAR(Iutf8_totitle, SV *)
519 PERLVAR(Iutf8_tolower, SV *)
b4e400f @jhi Unicode: add ToFold mapping. Not used yet; but basically
jhi authored
520 PERLVAR(Iutf8_tofold, SV *)
0672f40 most globals are now interpreter local; locale initialization
Gurusamy Sarathy authored
521 PERLVAR(Ilast_swash_hv, HV *)
522 PERLVAR(Ilast_swash_tmps, U8 *)
523 PERLVAR(Ilast_swash_slen, STRLEN)
9f7da6d By re-ordering declarations in interpvar.h and thrdvar.h, reduce the
Nicholas Clark authored
524 PERLVARA(Ilast_swash_key,10, U8)
d95e864 More variable reordering saves another 40 bytes from the interpreter
Nicholas Clark authored
525 PERLVAR(Ilast_swash_klen, U8) /* Only needs to store 0-10 */
526
527 #ifdef FCRYPT
528 PERLVARI(Icryptseen, bool, FALSE) /* has fast crypt() been initialized? */
529 #endif
530
f0cb02e The vestigial PL_pad_reset_pending can actually be bool, rather than
Nicholas Clark authored
531 PERLVAR(Ipad_reset_pending, bool) /* reset pad on next attempted alloc */
49947b4 Note where there is a U8 of space.
Nicholas Clark authored
532
d95e864 More variable reordering saves another 40 bytes from the interpreter
Nicholas Clark authored
533 PERLVARI(Iglob_index, int, 0)
534
0672f40 most globals are now interpreter local; locale initialization
Gurusamy Sarathy authored
535
5912531 move parser state into new parser object, PL_parser
Dave Mitchell authored
536 PERLVAR(Iparser, yy_parser *) /* current parser state */
12fbd33 make the bison-based parser threadsafe and capable of deep
Dave Mitchell authored
537
c4a30c8 Document the purpose of PL_psig_ptr and PL_psig_name.
Nicholas Clark authored
538 /* Array of signal handlers, indexed by signal number, through which the C
539 signal handler dispatches. */
1d7c184 integrate mainline changes
Gurusamy Sarathy authored
540 PERLVAR(Ipsig_ptr, SV**)
c4a30c8 Document the purpose of PL_psig_ptr and PL_psig_name.
Nicholas Clark authored
541 /* Array of names of signals, indexed by signal number, for (re)use as the first
d525a7b Use only one block of memory for both PL_psig_name and PL_psig_ptr.
Nicholas Clark authored
542 argument to a signal handler. Only one block of memory is allocated for
543 both psig_name and psig_ptr. */
c4a30c8 Document the purpose of PL_psig_ptr and PL_psig_name.
Nicholas Clark authored
544 PERLVAR(Ipsig_name, SV**)
1d7c184 integrate mainline changes
Gurusamy Sarathy authored
545
c5be433 yet more cleanups of the PERL_OBJECT, MULTIPLICITY and USE_THREADS
Gurusamy Sarathy authored
546 #if defined(PERL_IMPLICIT_SYS)
32e3070 support PERL_IMPLICIT_SYS with MULTIPLICITY/USE_THREADS on
Gurusamy Sarathy authored
547 PERLVAR(IMem, struct IPerlMem*)
1d7c184 integrate mainline changes
Gurusamy Sarathy authored
548 PERLVAR(IMemShared, struct IPerlMem*)
549 PERLVAR(IMemParse, struct IPerlMem*)
32e3070 support PERL_IMPLICIT_SYS with MULTIPLICITY/USE_THREADS on
Gurusamy Sarathy authored
550 PERLVAR(IEnv, struct IPerlEnv*)
551 PERLVAR(IStdIO, struct IPerlStdIO*)
552 PERLVAR(ILIO, struct IPerlLIO*)
553 PERLVAR(IDir, struct IPerlDir*)
554 PERLVAR(ISock, struct IPerlSock*)
555 PERLVAR(IProc, struct IPerlProc*)
76e3520 [asperl] added AS patch#2
Gurusamy Sarathy authored
556 #endif
1d7c184 integrate mainline changes
Gurusamy Sarathy authored
557
558 PERLVAR(Iptr_table, PTR_TBL_t*)
7d49f68 s/Nullav/NULL/g
Nicholas Clark authored
559 PERLVARI(Ibeginav_save, AV*, NULL) /* save BEGIN{}s when compiling */
f180df8 introduce illegal symbols into null package so that gv_fetchpv(...,TRUE)
Gurusamy Sarathy authored
560
fdda85c [patch] arena rework - unify arenaroots
Jim Cromie authored
561 PERLVAR(Ibody_arenas, void*) /* pointer to list of body-arenas */
93e68bf Re: eliminate discreet arenaroots
Jim Cromie authored
562
d95e864 More variable reordering saves another 40 bytes from the interpreter
Nicholas Clark authored
563
a453c16 @jhi Change PL_numeric_radix to PL_numeric_radix_sv (and leave in
jhi authored
564 #ifdef USE_LOCALE_NUMERIC
565
566 PERLVAR(Inumeric_radix_sv, SV *) /* The radix separator if not '.' */
567
568 #endif
ce08f86 Provide infrastructure for PERL_ASYNC_CHECK() style safe signals.
Nick Ing-Simmons authored
569
1fcf4c1 Threadsafe PMOPs! We might still win this war.
Artur Bergman authored
570 #if defined(USE_ITHREADS)
e685319 Better descriptions for PL_regex_pad and PL_regex_padav.
Nicholas Clark authored
571 PERLVAR(Iregex_pad, SV**) /* Shortcut into the array of
572 regex_padav */
573 PERLVAR(Iregex_padav, AV*) /* All regex objects, indexed via the
574 values in op_pmoffset of pmop.
402d2eb Pack the recycled pad offsets into an SV at PL_regex_pad[0]. This will
Nicholas Clark authored
575 Entry 0 is an SV whose PV is a
576 "packed" list of IVs listing
e685319 Better descriptions for PL_regex_pad and PL_regex_padav.
Nicholas Clark authored
577 the now-free slots in the array */
1fcf4c1 Threadsafe PMOPs! We might still win this war.
Artur Bergman authored
578 #endif
579
ea68fd6 Move the PERLVAR(Ireentrant_buffer, REENTR*) outside the ITHREADS
Nicholas Clark authored
580 #ifdef USE_REENTRANT_API
581 PERLVAR(Ireentrant_buffer, REENTR*) /* here we store the _r buffers */
f5a8281 @jhi Needed by #11283.
jhi authored
582 #endif
583
53e06cf Custom Ops
Simon Cozens authored
584 PERLVAR(Icustom_op_names, HV*) /* Names of user defined ops */
585 PERLVAR(Icustom_op_descs, HV*) /* Descriptions of user defined ops */
19e8ce8 Remove #ifdef PERL_CUSTOM_OPS, always build with PERL_CUSTOM_OPS
Artur Bergman authored
586
a1ea730 PerlIO layer table as PL_perlio (per-interpreter)
Nick Ing-Simmons authored
587 #ifdef PERLIO_LAYERS
588 PERLVARI(Iperlio, PerlIO *,NULL)
3a1ee7e Convert rest of PerlIO's memory tables to per-interp and add clone fu…
Nick Ing-Simmons authored
589 PERLVARI(Iknown_layers, PerlIO_list_t *,NULL)
590 PERLVARI(Idef_layerlist, PerlIO_list_t *,NULL)
a1ea730 PerlIO layer table as PL_perlio (per-interpreter)
Nick Ing-Simmons authored
591 #endif
592
a0714e2 Re: [PATCH] s/Null(gv|hv|sv)/NULL/g
Steven Schubiger authored
593 PERLVARI(Iencoding, SV*, NULL) /* character encoding */
0a37880 @jhi Add the encoding pragma to control the "upgrade"
jhi authored
594
128e816 @jhi The debug_pag needs to be visible at all times
jhi authored
595 PERLVAR(Idebug_pad, struct perl_debug_pad) /* always needed because of the re extension */
ce33321 @jhi Create a per-interpeter debug scratchpad container
jhi authored
596
82686b0 @jhi my $utf8here, our $utf8here, and package variable $utf8here.
jhi authored
597 PERLVAR(Iutf8_idstart, SV *)
598 PERLVAR(Iutf8_idcont, SV *)
599
147f47d Turn the sort RealCmp for stable quicksorts into a
Artur Bergman authored
600 PERLVAR(Isort_RealCmp, SVCOMPARE_t)
601
7d49f68 s/Nullav/NULL/g
Nicholas Clark authored
602 PERLVARI(Icheckav_save, AV*, NULL) /* save CHECK{}s when compiling */
3c10abe stab at UNITCHECK blocks
Alexander Gough authored
603 PERLVARI(Iunitcheckav_save, AV*, NULL) /* save UNITCHECK{}s when compiling */
ece599b @rgs B::check_av() ; B::Deparse for CHECK blocks
rgs authored
604
5311654 @jhi use sysconf(_SC_CLK_TCK) for times()
jhi authored
605 PERLVARI(Iclocktick, long, 0) /* this many times() ticks in a second */
606
edab1aa @jhi Slight beauty tweak.
jhi authored
607 PERLVARI(Iin_load_module, int, 0) /* to prevent recursions in PerlIO_find_layer */
608
a05d7eb @jhi The new(er) way of controlling Unicode I/O (and other) features;
jhi authored
609 PERLVAR(Iunicode, U32) /* Unicode features: $ENV{PERL_UNICODE} or -C */
610
4ffa73a @jhi PERL_SIGNALS=unsafe enables the old unsafe/immediate signals.
jhi authored
611 PERLVAR(Isignals, U32) /* Using which pre-5.8 signals */
612
57c6e6d @jhi Feel-good cleanup.
jhi authored
613 PERLVAR(Ireentrant_retint, int) /* Integer return value from reentrant functions */
614
9f7da6d By re-ordering declarations in interpvar.h and thrdvar.h, reduce the
Nicholas Clark authored
615 PERLVAR(Istashcache, HV *) /* Cache to speed up S_method_common */
616
15a5279 @jhi Move the thread *hook into interpreter.
jhi authored
617 /* Hooks to shared SVs and locks. */
618 PERLVARI(Isharehook, share_proc_t, MEMBER_TO_FPTR(Perl_sv_nosharing))
d5b2b27 Given that sv_nosharing performs the same function as sv_nolocking
Nicholas Clark authored
619 PERLVARI(Ilockhook, share_proc_t, MEMBER_TO_FPTR(Perl_sv_nosharing))
d0647d4 Avoid using space to create 2 functions just to force mathoms to be
Nicholas Clark authored
620 #ifdef NO_MATHOMS
621 # define PERL_UNLOCK_HOOK Perl_sv_nosharing
622 #else
623 /* This reference ensures that the mathoms are linked with perl */
624 # define PERL_UNLOCK_HOOK Perl_sv_nounlocking
625 #endif
626 PERLVARI(Iunlockhook, share_proc_t, MEMBER_TO_FPTR(PERL_UNLOCK_HOOK))
627
15a5279 @jhi Move the thread *hook into interpreter.
jhi authored
628 PERLVARI(Ithreadhook, thrhook_proc_t, MEMBER_TO_FPTR(Perl_nothreadhook))
629
504f80c @jhi Bite the bullet and apply the hash randomisation patch.
jhi authored
630 PERLVARI(Ihash_seed, UV, 0) /* Hash initializer */
631
008fb0c s/new_hash/rehash/g (Stas suggested a better name)
Nicholas Clark authored
632 PERLVARI(Irehash_seed, UV, 0) /* 582 hash initializer */
4b5190b Plan C for foiling the algorithmic complexity attack
Nicholas Clark authored
633
ba6d381 Move (most of) the conditionally compiled members of the interpreter
Nicholas Clark authored
634 PERLVARI(Iisarev, HV*, NULL) /* Reverse map of @ISA dependencies */
f16dd61 re-implement MY_CXT API more efficiently, and add explicit
Dave Mitchell authored
635
ffee3ff "Bake" the values of PERL_REVISION, PERL_VERSION and PERL_SUBVERSION
Nicholas Clark authored
636 /* The last unconditional member of the interpreter structure when 5.10.0 was
637 released. The offset of the end of this is baked into a global variable in
638 any shared perl library which will allow a sanity test in future perl
639 releases. */
640 #define PERL_LAST_5_10_0_INTERP_MEMBER Iisarev
641
f16dd61 re-implement MY_CXT API more efficiently, and add explicit
Dave Mitchell authored
642 #ifdef PERL_IMPLICIT_CONTEXT
4c901e7 tidy index arrangements in new MY_CXT code
Dave Mitchell authored
643 PERLVARI(Imy_cxt_size, int, 0) /* size of PL_my_cxt_list */
f16dd61 re-implement MY_CXT API more efficiently, and add explicit
Dave Mitchell authored
644 PERLVARI(Imy_cxt_list, void **, NULL) /* per-module array of MY_CXT pointers */
ba6d381 Move (most of) the conditionally compiled members of the interpreter
Nicholas Clark authored
645 # ifdef PERL_GLOBAL_STRUCT_PRIVATE
53d4427 @jhi Symbian port: add Series 90 support
jhi authored
646 PERLVARI(Imy_cxt_keys, const char **, NULL) /* per-module array of pointers to MY_CXT_KEY constants */
ba6d381 Move (most of) the conditionally compiled members of the interpreter
Nicholas Clark authored
647 # endif
f16dd61 re-implement MY_CXT API more efficiently, and add explicit
Dave Mitchell authored
648 #endif
649
7cb608b Enhance PERL_TRACK_MEMPOOL so that it also emulates the PerlHost
Nicholas Clark authored
650 #ifdef PERL_TRACK_MEMPOOL
651 /* For use with the memory debugging code in util.c */
652 PERLVAR(Imemory_debug_header, struct perl_memory_debug_header)
653 #endif
654
ba6d381 Move (most of) the conditionally compiled members of the interpreter
Nicholas Clark authored
655 #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP
656 /* File descriptor to talk to the child which dumps scalars. */
657 PERLVARI(Idumper_fd, int, -1)
658 #endif
659
660 /* Stores the PPID */
661 #ifdef THREADS_HAVE_PIDS
662 PERLVARI(Ippid, IV, 0)
663 #endif
664
665 #ifdef PERL_MAD
666 PERLVARI(Imadskills, bool, FALSE) /* preserve all syntactic info */
667 /* (MAD = Misc Attribute Decoration) */
668 PERLVARI(Ixmlfp, PerlIO *,NULL)
669 #endif
670
671 #ifdef PL_OP_SLAB_ALLOC
672 PERLVAR(IOpPtr,I32 **)
673 PERLVARI(IOpSpace,I32,0)
674 PERLVAR(IOpSlab,I32 *)
675 #endif
676
f1fac47 Add a new compile option PERL_DEBUG_READONLY_OPS which marks the optree
Nicholas Clark authored
677 #ifdef PERL_DEBUG_READONLY_OPS
678 PERLVARI(Islabs, I32**, NULL) /* Array of slabs that have been allocated */
679 PERLVARI(Islab_count, U32, 0) /* Size of the array */
680 #endif
681
eba1666 Bug fix for storing shared objects in shared structures
Jerry D. Hedden authored
682 /* Can shared object be destroyed */
683 PERLVARI(Idestroyhook, destroyable_proc_t, MEMBER_TO_FPTR(Perl_sv_destroyable))
684
d7a2c63 Add SV allocation tracing to -Dm and PERL_MEM_LOG
Marcus Holland-Moritz authored
685 #ifdef DEBUG_LEAKING_SCALARS
686 PERLVARI(Isv_serial, U32, 0) /* SV serial number, used in sv.c */
687 #endif
688
a3e6e81 Add Perl_mro_register() to register Method Resolution Orders,
Nicholas Clark authored
689 /* Register of known Method Resolution Orders.
690 What this actually points to is an implementation detail (it may change to
691 a structure incorporating a reference count - use mro_get_from_name to
692 retrieve a C<struct mro_alg *> */
693 PERLVAR(Iregistered_mros, HV *)
694
157b382 Shrink 4 bytes (ILP32) from the interpreter structure.
Nicholas Clark authored
695 /* If you are adding a U8 or U16, check to see if there are 'Space' comments
696 * above on where there are gaps which currently will be structure padding. */
d95e864 More variable reordering saves another 40 bytes from the interpreter
Nicholas Clark authored
697
698 /* Within a stable branch, new variables must be added to the very end, before
699 * this comment, for binary compatibility (the offsets of the old members must
700 * not change).
b83cd12 @jhi Comment tweakage.
jhi authored
701 * (Don't forget to add your variable also to perl_clone()!)
e3acbfd move new variables to the end of the interpreter structure (for
Gurusamy Sarathy authored
702 * XSUB.h provides wrapper functions via perlapi.h that make this
b83cd12 @jhi Comment tweakage.
jhi authored
703 * irrelevant, but not all code may be expected to #include XSUB.h.
704 */
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