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/cvs/cvsroot/staticperl/perl/thrdvar.h
Revision: 1.1
Committed: Thu Jun 30 14:26:43 2005 UTC (21 years, 3 months ago) by root
Content type: text/plain
Branch: MAIN
CVS Tags: PERL-5-8-7, HEAD
Branch point for: PERL
Log Message:
*** empty log message ***

File Contents

# User Rev Content
1 root 1.1 /* thdrvar.h
2     *
3     * Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005 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; &regdummy = 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