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 /* Important ones in the first cache line (if alignment is done right) */
18 PERLVAR(interp, PerlInterpreter*) /* thread owner */
21 PERLVAR(Tstack_sp, SV **) /* top of the stack */
23 PERLVAR(Topsave, OP *)
25 PERLVAR(Top, OP *) /* currently executing op */
27 PERLVAR(Tcurpad, SV **) /* active pad (lexicals+tmps) */
29 PERLVAR(Tstack_base, SV **)
30 PERLVAR(Tstack_max, SV **)
32 PERLVAR(Tscopestack, I32 *) /* scopes we've ENTERed */
33 PERLVAR(Tscopestack_ix, I32)
34 PERLVAR(Tscopestack_max,I32)
36 PERLVAR(Tsavestack, ANY *) /* items that need to be restored
37 when LEAVEing scopes we've ENTERed */
38 PERLVAR(Tsavestack_ix, I32)
39 PERLVAR(Tsavestack_max, I32)
41 PERLVAR(Ttmps_stack, SV **) /* mortals we've made */
42 PERLVARI(Ttmps_ix, I32, -1)
43 PERLVARI(Ttmps_floor, I32, -1)
44 PERLVAR(Ttmps_max, I32)
46 PERLVAR(Tmarkstack, I32 *) /* stack_sp locations we're remembering */
47 PERLVAR(Tmarkstack_ptr, I32 *)
48 PERLVAR(Tmarkstack_max, I32 *)
50 PERLVAR(Tretstack, OP **) /* OPs we have postponed executing */
51 PERLVAR(Tretstack_ix, I32)
52 PERLVAR(Tretstack_max, I32)
54 PERLVAR(TSv, SV *) /* used to hold temporary values */
55 PERLVAR(TXpv, XPV *) /* used to hold temporary values */
58 =for apidoc Amn|STRLEN|PL_na
60 A convenience variable which is typically used with C<SvPV> when one
61 doesn't care about the length of the string. It is usually more efficient
62 to either declare a local variable and use that instead or to use the
68 PERLVAR(Tna, STRLEN) /* for use in SvPV when length is
72 PERLVAR(Tstatbuf, Stat_t)
73 PERLVAR(Tstatcache, Stat_t) /* _ */
74 PERLVAR(Tstatgv, GV *)
75 PERLVARI(Tstatname, SV *, Nullsv)
78 PERLVAR(Ttimesbuf, struct tms)
81 /* Fields used by magic variables such as $@, $/ and so on */
82 PERLVAR(Ttainted, bool) /* using variables controlled by $< */
83 PERLVAR(Tcurpm, PMOP *) /* what to do \ interps in REs from */
85 PERLVAR(Trs, SV *) /* input record separator $/ */
86 PERLVAR(Tlast_in_gv, GV *) /* GV used in last <FH> */
87 PERLVAR(Tofs, char *) /* output field separator $, */
88 PERLVAR(Tofslen, STRLEN)
89 PERLVAR(Tdefoutgv, GV *) /* default FH for output */
90 PERLVARI(Tchopset, char *, " \n-") /* $: */
91 PERLVAR(Tformtarget, SV *)
92 PERLVAR(Tbodytarget, SV *)
93 PERLVAR(Ttoptarget, SV *)
96 PERLVAR(Tdefstash, HV *) /* main symbol table */
97 PERLVAR(Tcurstash, HV *) /* symbol table for current package */
99 PERLVAR(Trestartop, OP *) /* propagating an error from croak? */
100 PERLVARI(Tcurcop, COP * VOL, &PL_compiling)
101 PERLVAR(Tin_eval, VOL int) /* trap "fatal" errors? */
102 PERLVAR(Tdelaymagic, int) /* ($<,$>) = ... */
103 PERLVARI(Tdirty, bool, FALSE) /* in the middle of tearing things down? */
104 PERLVAR(Tlocalizing, int) /* are we processing a local() list? */
106 PERLVAR(Tcurstack, AV *) /* THE STACK */
107 PERLVAR(Tcurstackinfo, PERL_SI *) /* current stack + context */
108 PERLVAR(Tmainstack, AV *) /* the stack when nothing funny is happening */
110 PERLVAR(Ttop_env, JMPENV *) /* ptr. to current sigjmp() environment */
111 PERLVAR(Tstart_env, JMPENV) /* empty startup sigjmp() environment */
112 #ifdef PERL_FLEXIBLE_EXCEPTIONS
113 PERLVARI(Tprotect, protect_proc_t, MEMBER_TO_FPTR(Perl_default_protect))
115 PERLVARI(Terrors, SV *, Nullsv) /* outstanding queued errors */
117 /* statics "owned" by various functions */
118 PERLVAR(Tav_fetch_sv, SV *) /* owned by av_fetch() */
119 PERLVAR(Thv_fetch_sv, SV *) /* owned by hv_fetch() */
120 PERLVAR(Thv_fetch_ent_mh, HE) /* owned by hv_fetch_ent() */
122 PERLVAR(Tmodcount, I32) /* how much mod()ification in assignment? */
124 PERLVAR(Tlastgotoprobe, OP*) /* from pp_ctl.c */
125 PERLVARI(Tdumpindent, I32, 4) /* # of blanks per dump indentation level */
128 PERLVAR(Tsortcop, OP *) /* user defined sort routine */
129 PERLVAR(Tsortstash, HV *) /* which is in some package or other */
130 PERLVAR(Tfirstgv, GV *) /* $a */
131 PERLVAR(Tsecondgv, GV *) /* $b */
132 PERLVAR(Tsortcxix, I32) /* from pp_ctl.c */
135 PERLVAR(Tefloatbuf, char*)
136 PERLVAR(Tefloatsize, STRLEN)
140 PERLVAR(Tscreamfirst, I32 *)
141 PERLVAR(Tscreamnext, I32 *)
142 PERLVARI(Tmaxscream, I32, -1)
143 PERLVAR(Tlastscream, SV *)
145 PERLVAR(Tregdummy, regnode) /* from regcomp.c */
146 PERLVAR(Tregcomp_parse, char*) /* Input-scan pointer. */
147 PERLVAR(Tregxend, char*) /* End of input for compile */
148 PERLVAR(Tregcode, regnode*) /* Code-emit pointer; ®dummy = don't */
149 PERLVAR(Tregnaughty, I32) /* How bad is this pattern? */
150 PERLVAR(Tregsawback, I32) /* Did we see \1, ...? */
151 PERLVAR(Tregprecomp, char *) /* uncompiled string. */
152 PERLVAR(Tregnpar, I32) /* () count. */
153 PERLVAR(Tregsize, I32) /* Code size. */
154 PERLVAR(Tregflags, U16) /* are we folding, multilining? */
155 PERLVAR(Tregseen, U32) /* from regcomp.c */
156 PERLVAR(Tseen_zerolen, I32) /* from regcomp.c */
157 PERLVAR(Tseen_evals, I32) /* from regcomp.c */
158 PERLVAR(Tregcomp_rx, regexp *) /* from regcomp.c */
159 PERLVAR(Textralen, I32) /* from regcomp.c */
160 PERLVAR(Tcolorset, int) /* from regcomp.c */
161 PERLVARA(Tcolors,6, char *) /* from regcomp.c */
162 PERLVAR(Treg_whilem_seen, I32) /* number of WHILEM in this expr */
163 PERLVAR(Treginput, char *) /* String-input pointer. */
164 PERLVAR(Tregbol, char *) /* Beginning of input, for ^ check. */
165 PERLVAR(Tregeol, char *) /* End of input, for $ check. */
166 PERLVAR(Tregstartp, I32 *) /* Pointer to startp array. */
167 PERLVAR(Tregendp, I32 *) /* Ditto for endp. */
168 PERLVAR(Treglastparen, U32 *) /* Similarly for lastparen. */
169 PERLVAR(Tregtill, char *) /* How far we are required to go. */
170 PERLVAR(Tregprev, char) /* char before regbol, \n if none */
171 PERLVAR(Treg_start_tmp, char **) /* from regexec.c */
172 PERLVAR(Treg_start_tmpl,U32) /* from regexec.c */
173 PERLVAR(Tregdata, struct reg_data *)
174 /* from regexec.c renamed was data */
175 PERLVAR(Tbostr, char *) /* from regexec.c */
176 PERLVAR(Treg_flags, U32) /* from regexec.c */
177 PERLVAR(Treg_eval_set, I32) /* from regexec.c */
178 PERLVAR(Tregnarrate, I32) /* from regexec.c */
179 PERLVAR(Tregprogram, regnode *) /* from regexec.c */
180 PERLVARI(Tregindent, int, 0) /* from regexec.c */
181 PERLVAR(Tregcc, CURCUR *) /* from regexec.c */
182 PERLVAR(Treg_call_cc, struct re_cc_state *) /* from regexec.c */
183 PERLVAR(Treg_re, regexp *) /* from regexec.c */
184 PERLVAR(Treg_ganch, char *) /* position of \G */
185 PERLVAR(Treg_sv, SV *) /* what we match against */
186 PERLVAR(Treg_magic, MAGIC *) /* pos-magic of what we match */
187 PERLVAR(Treg_oldpos, I32) /* old pos of what we match */
188 PERLVARI(Treg_oldcurpm, PMOP*, NULL) /* curpm before match */
189 PERLVARI(Treg_curpm, PMOP*, NULL) /* curpm during match */
190 PERLVAR(Treg_oldsaved, char*) /* old saved substr during match */
191 PERLVAR(Treg_oldsavedlen, STRLEN) /* old length of saved substr during match */
192 PERLVAR(Treg_maxiter, I32) /* max wait until caching pos */
193 PERLVAR(Treg_leftiter, I32) /* wait until caching pos */
194 PERLVARI(Treg_poscache, char *, Nullch) /* cache of pos of WHILEM */
195 PERLVAR(Treg_poscache_size, STRLEN) /* size of pos cache of WHILEM */
197 PERLVARI(Tregcompp, regcomp_t, MEMBER_TO_FPTR(Perl_pregcomp))
198 /* Pointer to REx compiler */
199 PERLVARI(Tregexecp, regexec_t, MEMBER_TO_FPTR(Perl_regexec_flags))
200 /* Pointer to REx executer */
201 PERLVARI(Tregint_start, re_intuit_start_t, MEMBER_TO_FPTR(Perl_re_intuit_start))
202 /* Pointer to optimized REx executer */
203 PERLVARI(Tregint_string,re_intuit_string_t, MEMBER_TO_FPTR(Perl_re_intuit_string))
204 /* Pointer to optimized REx string */
205 PERLVARI(Tregfree, regfree_t, MEMBER_TO_FPTR(Perl_pregfree))
206 /* Pointer to REx free()er */
208 PERLVARI(Treginterp_cnt,int, 0) /* Whether `Regexp'
210 PERLVARI(Treg_starttry, char *, 0) /* -Dr: where regtry was called. */
211 PERLVARI(Twatchaddr, char **, 0)
212 PERLVAR(Twatchok, char *)
214 /* Note that the variables below are all explicitly referenced in the code
215 * as thr->whatever and therefore don't need the 'T' prefix. */
220 PERLVAR(cvcache, HV *)
221 PERLVAR(self, perl_os_thread) /* Underlying thread object */
223 PERLVAR(threadsv, AV *) /* Per-thread SVs ($_, $@ etc.) */
224 PERLVAR(threadsvp, SV **) /* AvARRAY(threadsv) */
225 PERLVAR(specific, AV *) /* Thread-specific user data */
226 PERLVAR(errsv, SV *) /* Backing SV for $@ */
227 PERLVAR(mutex, perl_mutex) /* For the fields others can change */
229 PERLVAR(prev, struct perl_thread *)
230 PERLVAR(next, struct perl_thread *)
231 /* Circular linked list of threads */
233 #ifdef HAVE_THREAD_INTERN
234 PERLVAR(i, struct thread_intern)
235 /* Platform-dependent internals */
238 PERLVAR(trailing_nul, char) /* For the sake of thrsv and oursv */
240 #endif /* USE_THREADS */