1 | /* thdrvar.h |
---|
2 | * |
---|
3 | * Copyright (C) 1999, 2000, 2001, 2002, by Larry Wall and others |
---|
4 | * |
---|
5 | * You may distribute under the terms of either the GNU General Public |
---|
6 | * License or the Artistic License, as specified in the README file. |
---|
7 | * |
---|
8 | */ |
---|
9 | |
---|
10 | /* |
---|
11 | =head1 Global Variables |
---|
12 | */ |
---|
13 | |
---|
14 | /***********************************************/ |
---|
15 | /* Global only to current thread */ |
---|
16 | /***********************************************/ |
---|
17 | |
---|
18 | /* Don't forget to re-run embed.pl to propagate changes! */ |
---|
19 | |
---|
20 | /* The 'T' prefix is only needed for vars that need appropriate #defines |
---|
21 | * generated when built with or without USE_5005THREADS. It is also used |
---|
22 | * to generate the appropriate export list for win32. |
---|
23 | * |
---|
24 | * When building without USE_5005THREADS, these variables will be truly global. |
---|
25 | * When building without USE_5005THREADS but with MULTIPLICITY, these variables |
---|
26 | * will be global per-interpreter. */ |
---|
27 | |
---|
28 | /* Important ones in the first cache line (if alignment is done right) */ |
---|
29 | |
---|
30 | #ifdef USE_5005THREADS |
---|
31 | PERLVAR(interp, PerlInterpreter*) /* thread owner */ |
---|
32 | #endif |
---|
33 | |
---|
34 | PERLVAR(Tstack_sp, SV **) /* top of the stack */ |
---|
35 | #ifdef OP_IN_REGISTER |
---|
36 | PERLVAR(Topsave, OP *) |
---|
37 | #else |
---|
38 | PERLVAR(Top, OP *) /* currently executing op */ |
---|
39 | #endif |
---|
40 | PERLVAR(Tcurpad, SV **) /* active pad (lexicals+tmps) */ |
---|
41 | |
---|
42 | PERLVAR(Tstack_base, SV **) |
---|
43 | PERLVAR(Tstack_max, SV **) |
---|
44 | |
---|
45 | PERLVAR(Tscopestack, I32 *) /* scopes we've ENTERed */ |
---|
46 | PERLVAR(Tscopestack_ix, I32) |
---|
47 | PERLVAR(Tscopestack_max,I32) |
---|
48 | |
---|
49 | PERLVAR(Tsavestack, ANY *) /* items that need to be restored |
---|
50 | when LEAVEing scopes we've ENTERed */ |
---|
51 | PERLVAR(Tsavestack_ix, I32) |
---|
52 | PERLVAR(Tsavestack_max, I32) |
---|
53 | |
---|
54 | PERLVAR(Ttmps_stack, SV **) /* mortals we've made */ |
---|
55 | PERLVARI(Ttmps_ix, I32, -1) |
---|
56 | PERLVARI(Ttmps_floor, I32, -1) |
---|
57 | PERLVAR(Ttmps_max, I32) |
---|
58 | |
---|
59 | PERLVAR(Tmarkstack, I32 *) /* stack_sp locations we're remembering */ |
---|
60 | PERLVAR(Tmarkstack_ptr, I32 *) |
---|
61 | PERLVAR(Tmarkstack_max, I32 *) |
---|
62 | |
---|
63 | PERLVAR(Tretstack, OP **) /* OPs we have postponed executing */ |
---|
64 | PERLVAR(Tretstack_ix, I32) |
---|
65 | PERLVAR(Tretstack_max, I32) |
---|
66 | |
---|
67 | PERLVAR(TSv, SV *) /* used to hold temporary values */ |
---|
68 | PERLVAR(TXpv, 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(Tna, STRLEN) /* for use in SvPV when length is |
---|
82 | Not Applicable */ |
---|
83 | |
---|
84 | /* stat stuff */ |
---|
85 | PERLVAR(Tstatbuf, Stat_t) |
---|
86 | PERLVAR(Tstatcache, Stat_t) /* _ */ |
---|
87 | PERLVAR(Tstatgv, GV *) |
---|
88 | PERLVARI(Tstatname, SV *, Nullsv) |
---|
89 | |
---|
90 | #ifdef HAS_TIMES |
---|
91 | PERLVAR(Ttimesbuf, struct tms) |
---|
92 | #endif |
---|
93 | |
---|
94 | /* Fields used by magic variables such as $@, $/ and so on */ |
---|
95 | PERLVAR(Ttainted, bool) /* using variables controlled by $< */ |
---|
96 | PERLVAR(Tcurpm, PMOP *) /* what to do \ interps in REs from */ |
---|
97 | PERLVAR(Tnrs, SV *) /* placeholder: unused since 5.8.0 (5.7.2 patch #12027 for bug ID 20010815.012) */ |
---|
98 | |
---|
99 | /* |
---|
100 | =for apidoc mn|SV*|PL_rs |
---|
101 | |
---|
102 | The input record separator - C<$/> 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 | |
---|
108 | =for apidoc mn|SV*|PL_ofs_sv |
---|
109 | |
---|
110 | The output field separator - C<$,> in Perl space. |
---|
111 | |
---|
112 | =cut |
---|
113 | */ |
---|
114 | |
---|
115 | PERLVAR(Trs, SV *) /* input record separator $/ */ |
---|
116 | PERLVAR(Tlast_in_gv, GV *) /* GV used in last <FH> */ |
---|
117 | PERLVAR(Tofs_sv, SV *) /* output field separator $, */ |
---|
118 | PERLVAR(Tdefoutgv, GV *) /* default FH for output */ |
---|
119 | PERLVARI(Tchopset, char *, " \n-") /* $: */ |
---|
120 | PERLVAR(Tformtarget, SV *) |
---|
121 | PERLVAR(Tbodytarget, SV *) |
---|
122 | PERLVAR(Ttoptarget, SV *) |
---|
123 | |
---|
124 | /* Stashes */ |
---|
125 | PERLVAR(Tdefstash, HV *) /* main symbol table */ |
---|
126 | PERLVAR(Tcurstash, HV *) /* symbol table for current package */ |
---|
127 | |
---|
128 | PERLVAR(Trestartop, OP *) /* propagating an error from croak? */ |
---|
129 | PERLVARI(Tcurcop, COP * VOL, &PL_compiling) |
---|
130 | PERLVAR(Tin_eval, VOL int) /* trap "fatal" errors? */ |
---|
131 | PERLVAR(Tdelaymagic, int) /* ($<,$>) = ... */ |
---|
132 | PERLVARI(Tdirty, bool, FALSE) /* in the middle of tearing things down? */ |
---|
133 | PERLVAR(Tlocalizing, int) /* are we processing a local() list? */ |
---|
134 | |
---|
135 | PERLVAR(Tcurstack, AV *) /* THE STACK */ |
---|
136 | PERLVAR(Tcurstackinfo, PERL_SI *) /* current stack + context */ |
---|
137 | PERLVAR(Tmainstack, AV *) /* the stack when nothing funny is happening */ |
---|
138 | |
---|
139 | PERLVAR(Ttop_env, JMPENV *) /* ptr. to current sigjmp() environment */ |
---|
140 | PERLVAR(Tstart_env, JMPENV) /* empty startup sigjmp() environment */ |
---|
141 | #ifdef PERL_FLEXIBLE_EXCEPTIONS |
---|
142 | PERLVARI(Tprotect, protect_proc_t, MEMBER_TO_FPTR(Perl_default_protect)) |
---|
143 | #endif |
---|
144 | PERLVARI(Terrors, SV *, Nullsv) /* outstanding queued errors */ |
---|
145 | |
---|
146 | /* statics "owned" by various functions */ |
---|
147 | PERLVAR(Tav_fetch_sv, SV *) /* unused as of change #19268 */ |
---|
148 | PERLVAR(Thv_fetch_sv, SV *) /* unused as of change #19268 */ |
---|
149 | PERLVAR(Thv_fetch_ent_mh, HE*) /* owned by hv_fetch_ent() */ |
---|
150 | |
---|
151 | PERLVAR(Tmodcount, I32) /* how much mod()ification in assignment? */ |
---|
152 | |
---|
153 | PERLVAR(Tlastgotoprobe, OP*) /* from pp_ctl.c */ |
---|
154 | PERLVARI(Tdumpindent, I32, 4) /* # of blanks per dump indentation level */ |
---|
155 | |
---|
156 | /* sort stuff */ |
---|
157 | PERLVAR(Tsortcop, OP *) /* user defined sort routine */ |
---|
158 | PERLVAR(Tsortstash, HV *) /* which is in some package or other */ |
---|
159 | PERLVAR(Tfirstgv, GV *) /* $a */ |
---|
160 | PERLVAR(Tsecondgv, GV *) /* $b */ |
---|
161 | PERLVAR(Tsortcxix, I32) /* from pp_ctl.c */ |
---|
162 | |
---|
163 | /* float buffer */ |
---|
164 | PERLVAR(Tefloatbuf, char*) |
---|
165 | PERLVAR(Tefloatsize, STRLEN) |
---|
166 | |
---|
167 | /* regex stuff */ |
---|
168 | |
---|
169 | PERLVAR(Tscreamfirst, I32 *) |
---|
170 | PERLVAR(Tscreamnext, I32 *) |
---|
171 | PERLVARI(Tmaxscream, I32, -1) |
---|
172 | PERLVAR(Tlastscream, SV *) |
---|
173 | |
---|
174 | PERLVAR(Tregdummy, regnode) /* from regcomp.c */ |
---|
175 | PERLVAR(Tregcomp_parse, char*) /* Input-scan pointer. */ |
---|
176 | PERLVAR(Tregxend, char*) /* End of input for compile */ |
---|
177 | PERLVAR(Tregcode, regnode*) /* Code-emit pointer; ®dummy = don't */ |
---|
178 | PERLVAR(Tregnaughty, I32) /* How bad is this pattern? */ |
---|
179 | PERLVAR(Tregsawback, I32) /* Did we see \1, ...? */ |
---|
180 | PERLVAR(Tregprecomp, char *) /* uncompiled string. */ |
---|
181 | PERLVAR(Tregnpar, I32) /* () count. */ |
---|
182 | PERLVAR(Tregsize, I32) /* Code size. */ |
---|
183 | PERLVAR(Tregflags, U32) /* are we folding, multilining? */ |
---|
184 | PERLVAR(Tregseen, U32) /* from regcomp.c */ |
---|
185 | PERLVAR(Tseen_zerolen, I32) /* from regcomp.c */ |
---|
186 | PERLVAR(Tseen_evals, I32) /* from regcomp.c */ |
---|
187 | PERLVAR(Tregcomp_rx, regexp *) /* from regcomp.c */ |
---|
188 | PERLVAR(Textralen, I32) /* from regcomp.c */ |
---|
189 | PERLVAR(Tcolorset, int) /* from regcomp.c */ |
---|
190 | PERLVARA(Tcolors,6, char *) /* from regcomp.c */ |
---|
191 | PERLVAR(Treg_whilem_seen, I32) /* number of WHILEM in this expr */ |
---|
192 | PERLVAR(Treginput, char *) /* String-input pointer. */ |
---|
193 | PERLVAR(Tregbol, char *) /* Beginning of input, for ^ check. */ |
---|
194 | PERLVAR(Tregeol, char *) /* End of input, for $ check. */ |
---|
195 | PERLVAR(Tregstartp, I32 *) /* Pointer to startp array. */ |
---|
196 | PERLVAR(Tregendp, I32 *) /* Ditto for endp. */ |
---|
197 | PERLVAR(Treglastparen, U32 *) /* Similarly for lastparen. */ |
---|
198 | PERLVAR(Treglastcloseparen, U32 *) /* Similarly for lastcloseparen. */ |
---|
199 | PERLVAR(Tregtill, char *) /* How far we are required to go. */ |
---|
200 | PERLVAR(Tregcompat1, char) /* used to be regprev1 */ |
---|
201 | PERLVAR(Treg_start_tmp, char **) /* from regexec.c */ |
---|
202 | PERLVAR(Treg_start_tmpl,U32) /* from regexec.c */ |
---|
203 | PERLVAR(Tregdata, struct reg_data *) |
---|
204 | /* from regexec.c renamed was data */ |
---|
205 | PERLVAR(Tbostr, char *) /* from regexec.c */ |
---|
206 | PERLVAR(Treg_flags, U32) /* from regexec.c */ |
---|
207 | PERLVAR(Treg_eval_set, I32) /* from regexec.c */ |
---|
208 | PERLVAR(Tregnarrate, I32) /* from regexec.c */ |
---|
209 | PERLVAR(Tregprogram, regnode *) /* from regexec.c */ |
---|
210 | PERLVARI(Tregindent, int, 0) /* from regexec.c */ |
---|
211 | PERLVAR(Tregcc, CURCUR *) /* from regexec.c */ |
---|
212 | PERLVAR(Treg_call_cc, struct re_cc_state *) /* from regexec.c */ |
---|
213 | PERLVAR(Treg_re, regexp *) /* from regexec.c */ |
---|
214 | PERLVAR(Treg_ganch, char *) /* position of \G */ |
---|
215 | PERLVAR(Treg_sv, SV *) /* what we match against */ |
---|
216 | PERLVAR(Treg_magic, MAGIC *) /* pos-magic of what we match */ |
---|
217 | PERLVAR(Treg_oldpos, I32) /* old pos of what we match */ |
---|
218 | PERLVARI(Treg_oldcurpm, PMOP*, NULL) /* curpm before match */ |
---|
219 | PERLVARI(Treg_curpm, PMOP*, NULL) /* curpm during match */ |
---|
220 | PERLVAR(Treg_oldsaved, char*) /* old saved substr during match */ |
---|
221 | PERLVAR(Treg_oldsavedlen, STRLEN) /* old length of saved substr during match */ |
---|
222 | PERLVAR(Treg_maxiter, I32) /* max wait until caching pos */ |
---|
223 | PERLVAR(Treg_leftiter, I32) /* wait until caching pos */ |
---|
224 | PERLVARI(Treg_poscache, char *, Nullch) /* cache of pos of WHILEM */ |
---|
225 | PERLVAR(Treg_poscache_size, STRLEN) /* size of pos cache of WHILEM */ |
---|
226 | |
---|
227 | PERLVARI(Tpeepp, peep_t, MEMBER_TO_FPTR(Perl_peep)) |
---|
228 | /* Pointer to peephole optimizer */ |
---|
229 | PERLVARI(Tregcompp, regcomp_t, MEMBER_TO_FPTR(Perl_pregcomp)) |
---|
230 | /* Pointer to REx compiler */ |
---|
231 | PERLVARI(Tregexecp, regexec_t, MEMBER_TO_FPTR(Perl_regexec_flags)) |
---|
232 | /* Pointer to REx executer */ |
---|
233 | PERLVARI(Tregint_start, re_intuit_start_t, MEMBER_TO_FPTR(Perl_re_intuit_start)) |
---|
234 | /* Pointer to optimized REx executer */ |
---|
235 | PERLVARI(Tregint_string,re_intuit_string_t, MEMBER_TO_FPTR(Perl_re_intuit_string)) |
---|
236 | /* Pointer to optimized REx string */ |
---|
237 | PERLVARI(Tregfree, regfree_t, MEMBER_TO_FPTR(Perl_pregfree)) |
---|
238 | /* Pointer to REx free()er */ |
---|
239 | |
---|
240 | PERLVARI(Treginterp_cnt,int, 0) /* Whether `Regexp' |
---|
241 | was interpolated. */ |
---|
242 | PERLVARI(Treg_starttry, char *, 0) /* -Dr: where regtry was called. */ |
---|
243 | PERLVARI(Twatchaddr, char **, 0) |
---|
244 | PERLVAR(Twatchok, char *) |
---|
245 | |
---|
246 | /* Note that the variables below are all explicitly referenced in the code |
---|
247 | * as thr->whatever and therefore don't need the 'T' prefix. */ |
---|
248 | |
---|
249 | #ifdef USE_5005THREADS |
---|
250 | |
---|
251 | PERLVAR(oursv, SV *) |
---|
252 | PERLVAR(cvcache, HV *) |
---|
253 | PERLVAR(self, perl_os_thread) /* Underlying thread object */ |
---|
254 | PERLVAR(flags, U32) |
---|
255 | PERLVAR(threadsv, AV *) /* Per-thread SVs ($_, $@ etc.) */ |
---|
256 | PERLVAR(threadsvp, SV **) /* AvARRAY(threadsv) */ |
---|
257 | PERLVAR(specific, AV *) /* Thread-specific user data */ |
---|
258 | PERLVAR(errsv, SV *) /* Backing SV for $@ */ |
---|
259 | PERLVAR(mutex, perl_mutex) /* For the fields others can change */ |
---|
260 | PERLVAR(tid, U32) |
---|
261 | PERLVAR(prev, struct perl_thread *) |
---|
262 | PERLVAR(next, struct perl_thread *) |
---|
263 | /* Circular linked list of threads */ |
---|
264 | |
---|
265 | #ifdef HAVE_THREAD_INTERN |
---|
266 | PERLVAR(i, struct thread_intern) |
---|
267 | /* Platform-dependent internals */ |
---|
268 | #endif |
---|
269 | |
---|
270 | PERLVAR(trailing_nul, char) /* For the sake of thrsv and oursv */ |
---|
271 | PERLVAR(thr_done, bool) /* True when the thread has finished */ |
---|
272 | |
---|
273 | #endif /* USE_5005THREADS */ |
---|
274 | |
---|
275 | PERLVAR(Treg_match_utf8, bool) /* was what we matched against utf8 */ |
---|
276 | |
---|
277 | PERLVAR(Tcomppad, AV *) /* storage for lexically scoped temporaries */ |
---|
278 | |
---|