1 /***********************************************/
2 /* Global only to current thread */
3 /***********************************************/
5 /* Don't forget to re-run embed.pl to propagate changes! */
7 /* The 'T' prefix is only needed for vars that need appropriate #defines
8 * generated when built with or without USE_THREADS. It is also used
9 * to generate the appropriate export list for win32.
11 * When building without USE_THREADS, these variables will be truly global.
12 * When building without USE_THREADS but with MULTIPLICITY, these variables
13 * will be global per-interpreter.
15 * Avoid build-specific #ifdefs here, like DEBUGGING. That way,
16 * we can keep binary compatibility of the curinterp structure */
18 /* Important ones in the first cache line (if alignment is done right) */
21 PERLVAR(interp, PerlInterpreter*) /* thread owner */
24 PERLVAR(Tstack_sp, SV **) /* top of the stack */
26 PERLVAR(Topsave, OP *)
28 PERLVAR(Top, OP *) /* currently executing op */
30 PERLVAR(Tcurpad, SV **) /* active pad (lexicals+tmps) */
32 PERLVAR(Tstack_base, SV **)
33 PERLVAR(Tstack_max, SV **)
35 PERLVAR(Tscopestack, I32 *) /* scopes we've ENTERed */
36 PERLVAR(Tscopestack_ix, I32)
37 PERLVAR(Tscopestack_max,I32)
39 PERLVAR(Tsavestack, ANY *) /* items that need to be restored
40 when LEAVEing scopes we've ENTERed */
41 PERLVAR(Tsavestack_ix, I32)
42 PERLVAR(Tsavestack_max, I32)
44 PERLVAR(Ttmps_stack, SV **) /* mortals we've made */
45 PERLVARI(Ttmps_ix, I32, -1)
46 PERLVARI(Ttmps_floor, I32, -1)
47 PERLVAR(Ttmps_max, I32)
49 PERLVAR(Tmarkstack, I32 *) /* stack_sp locations we're remembering */
50 PERLVAR(Tmarkstack_ptr, I32 *)
51 PERLVAR(Tmarkstack_max, I32 *)
53 PERLVAR(Tretstack, OP **) /* OPs we have postponed executing */
54 PERLVAR(Tretstack_ix, I32)
55 PERLVAR(Tretstack_max, I32)
57 PERLVAR(TSv, SV *) /* used to hold temporary values */
58 PERLVAR(TXpv, XPV *) /* used to hold temporary values */
61 =for apidoc Amn|STRLEN|PL_na
63 A convenience variable which is typically used with C<SvPV> when one
64 doesn't care about the length of the string. It is usually more efficient
65 to either declare a local variable and use that instead or to use the
71 PERLVAR(Tna, STRLEN) /* for use in SvPV when length is
75 PERLVAR(Tstatbuf, Stat_t)
76 PERLVAR(Tstatcache, Stat_t) /* _ */
77 PERLVAR(Tstatgv, GV *)
78 PERLVARI(Tstatname, SV *, Nullsv)
81 PERLVAR(Ttimesbuf, struct tms)
84 /* Fields used by magic variables such as $@, $/ and so on */
85 PERLVAR(Ttainted, bool) /* using variables controlled by $< */
86 PERLVAR(Tcurpm, PMOP *) /* what to do \ interps in REs from */
88 PERLVAR(Trs, SV *) /* input record separator $/ */
89 PERLVAR(Tlast_in_gv, GV *) /* GV used in last <FH> */
90 PERLVAR(Tofs, char *) /* output field separator $, */
91 PERLVAR(Tofslen, STRLEN)
92 PERLVAR(Tdefoutgv, GV *) /* default FH for output */
93 PERLVARI(Tchopset, char *, " \n-") /* $: */
94 PERLVAR(Tformtarget, SV *)
95 PERLVAR(Tbodytarget, SV *)
96 PERLVAR(Ttoptarget, SV *)
99 PERLVAR(Tdefstash, HV *) /* main symbol table */
100 PERLVAR(Tcurstash, HV *) /* symbol table for current package */
102 PERLVAR(Trestartop, OP *) /* propagating an error from croak? */
103 PERLVARI(Tcurcop, COP * VOL, &PL_compiling)
104 PERLVAR(Tin_eval, VOL int) /* trap "fatal" errors? */
105 PERLVAR(Tdelaymagic, int) /* ($<,$>) = ... */
106 PERLVARI(Tdirty, bool, FALSE) /* in the middle of tearing things down? */
107 PERLVAR(Tlocalizing, int) /* are we processing a local() list? */
109 PERLVAR(Tcurstack, AV *) /* THE STACK */
110 PERLVAR(Tcurstackinfo, PERL_SI *) /* current stack + context */
111 PERLVAR(Tmainstack, AV *) /* the stack when nothing funny is happening */
113 PERLVAR(Ttop_env, JMPENV *) /* ptr. to current sigjmp() environment */
114 PERLVAR(Tstart_env, JMPENV) /* empty startup sigjmp() environment */
115 PERLVARI(Tprotect, protect_proc_t, MEMBER_TO_FPTR(Perl_default_protect))
116 PERLVARI(Terrors, SV *, Nullsv) /* outstanding queued errors */
118 /* statics "owned" by various functions */
119 PERLVAR(Tav_fetch_sv, SV *) /* owned by av_fetch() */
120 PERLVAR(Thv_fetch_sv, SV *) /* owned by hv_fetch() */
121 PERLVAR(Thv_fetch_ent_mh, HE) /* owned by hv_fetch_ent() */
123 PERLVAR(Tmodcount, I32) /* how much mod()ification in assignment? */
125 PERLVAR(Tlastgotoprobe, OP*) /* from pp_ctl.c */
126 PERLVARI(Tdumpindent, I32, 4) /* # of blanks per dump indentation level */
129 PERLVAR(Tsortcop, OP *) /* user defined sort routine */
130 PERLVAR(Tsortstash, HV *) /* which is in some package or other */
131 PERLVAR(Tfirstgv, GV *) /* $a */
132 PERLVAR(Tsecondgv, GV *) /* $b */
133 PERLVAR(Tsortcxix, I32) /* from pp_ctl.c */
136 PERLVAR(Tefloatbuf, char*)
137 PERLVAR(Tefloatsize, STRLEN)
141 PERLVAR(Tscreamfirst, I32 *)
142 PERLVAR(Tscreamnext, I32 *)
143 PERLVARI(Tmaxscream, I32, -1)
144 PERLVAR(Tlastscream, SV *)
146 PERLVAR(Tregdummy, regnode) /* from regcomp.c */
147 PERLVAR(Tregcomp_parse, char*) /* Input-scan pointer. */
148 PERLVAR(Tregxend, char*) /* End of input for compile */
149 PERLVAR(Tregcode, regnode*) /* Code-emit pointer; ®dummy = don't */
150 PERLVAR(Tregnaughty, I32) /* How bad is this pattern? */
151 PERLVAR(Tregsawback, I32) /* Did we see \1, ...? */
152 PERLVAR(Tregprecomp, char *) /* uncompiled string. */
153 PERLVAR(Tregnpar, I32) /* () count. */
154 PERLVAR(Tregsize, I32) /* Code size. */
155 PERLVAR(Tregflags, U16) /* are we folding, multilining? */
156 PERLVAR(Tregseen, U32) /* from regcomp.c */
157 PERLVAR(Tseen_zerolen, I32) /* from regcomp.c */
158 PERLVAR(Tseen_evals, I32) /* from regcomp.c */
159 PERLVAR(Tregcomp_rx, regexp *) /* from regcomp.c */
160 PERLVAR(Textralen, I32) /* from regcomp.c */
161 PERLVAR(Tcolorset, int) /* from regcomp.c */
162 PERLVARA(Tcolors,6, char *) /* from regcomp.c */
163 PERLVAR(Treg_whilem_seen, I32) /* number of WHILEM in this expr */
164 PERLVAR(Treginput, char *) /* String-input pointer. */
165 PERLVAR(Tregbol, char *) /* Beginning of input, for ^ check. */
166 PERLVAR(Tregeol, char *) /* End of input, for $ check. */
167 PERLVAR(Tregstartp, I32 *) /* Pointer to startp array. */
168 PERLVAR(Tregendp, I32 *) /* Ditto for endp. */
169 PERLVAR(Treglastparen, U32 *) /* Similarly for lastparen. */
170 PERLVAR(Tregtill, char *) /* How far we are required to go. */
171 PERLVAR(Tregprev, char) /* char before regbol, \n if none */
172 PERLVAR(Treg_start_tmp, char **) /* from regexec.c */
173 PERLVAR(Treg_start_tmpl,U32) /* from regexec.c */
174 PERLVAR(Tregdata, struct reg_data *)
175 /* from regexec.c renamed was data */
176 PERLVAR(Tbostr, char *) /* from regexec.c */
177 PERLVAR(Treg_flags, U32) /* from regexec.c */
178 PERLVAR(Treg_eval_set, I32) /* from regexec.c */
179 PERLVAR(Tregnarrate, I32) /* from regexec.c */
180 PERLVAR(Tregprogram, regnode *) /* from regexec.c */
181 PERLVARI(Tregindent, int, 0) /* from regexec.c */
182 PERLVAR(Tregcc, CURCUR *) /* from regexec.c */
183 PERLVAR(Treg_call_cc, struct re_cc_state *) /* from regexec.c */
184 PERLVAR(Treg_re, regexp *) /* from regexec.c */
185 PERLVAR(Treg_ganch, char *) /* position of \G */
186 PERLVAR(Treg_sv, SV *) /* what we match against */
187 PERLVAR(Treg_magic, MAGIC *) /* pos-magic of what we match */
188 PERLVAR(Treg_oldpos, I32) /* old pos of what we match */
189 PERLVARI(Treg_oldcurpm, PMOP*, NULL) /* curpm before match */
190 PERLVARI(Treg_curpm, PMOP*, NULL) /* curpm during match */
191 PERLVAR(Treg_oldsaved, char*) /* old saved substr during match */
192 PERLVAR(Treg_oldsavedlen, STRLEN) /* old length of saved substr during match */
193 PERLVAR(Treg_maxiter, I32) /* max wait until caching pos */
194 PERLVAR(Treg_leftiter, I32) /* wait until caching pos */
195 PERLVARI(Treg_poscache, char *, Nullch) /* cache of pos of WHILEM */
196 PERLVAR(Treg_poscache_size, STRLEN) /* size of pos cache of WHILEM */
198 PERLVARI(Tregcompp, regcomp_t, MEMBER_TO_FPTR(Perl_pregcomp))
199 /* Pointer to REx compiler */
200 PERLVARI(Tregexecp, regexec_t, MEMBER_TO_FPTR(Perl_regexec_flags))
201 /* Pointer to REx executer */
202 PERLVARI(Tregint_start, re_intuit_start_t, MEMBER_TO_FPTR(Perl_re_intuit_start))
203 /* Pointer to optimized REx executer */
204 PERLVARI(Tregint_string,re_intuit_string_t, MEMBER_TO_FPTR(Perl_re_intuit_string))
205 /* Pointer to optimized REx string */
206 PERLVARI(Tregfree, regfree_t, MEMBER_TO_FPTR(Perl_pregfree))
207 /* Pointer to REx free()er */
209 PERLVARI(Treginterp_cnt,int, 0) /* Whether `Regexp'
211 PERLVARI(Treg_starttry, char *, 0) /* -Dr: where regtry was called. */
212 PERLVARI(Twatchaddr, char **, 0)
213 PERLVAR(Twatchok, char *)
215 /* Note that the variables below are all explicitly referenced in the code
216 * as thr->whatever and therefore don't need the 'T' prefix. */
221 PERLVAR(cvcache, HV *)
222 PERLVAR(self, perl_os_thread) /* Underlying thread object */
224 PERLVAR(threadsv, AV *) /* Per-thread SVs ($_, $@ etc.) */
225 PERLVAR(threadsvp, SV **) /* AvARRAY(threadsv) */
226 PERLVAR(specific, AV *) /* Thread-specific user data */
227 PERLVAR(errsv, SV *) /* Backing SV for $@ */
228 PERLVAR(mutex, perl_mutex) /* For the fields others can change */
230 PERLVAR(prev, struct perl_thread *)
231 PERLVAR(next, struct perl_thread *)
232 /* Circular linked list of threads */
234 #ifdef HAVE_THREAD_INTERN
235 PERLVAR(i, struct thread_intern)
236 /* Platform-dependent internals */
239 PERLVAR(trailing_nul, char) /* For the sake of thrsv and oursv */
241 #endif /* USE_THREADS */