/* thdrvar.h * * Copyright (c) 1997-2002, Larry Wall * * You may distribute under the terms of either the GNU General Public * License or the Artistic License, as specified in the README file. * */ /* =head1 Global Variables */ /***********************************************/ /* Global only to current thread */ /***********************************************/ /* Don't forget to re-run embed.pl to propagate changes! */ /* The 'T' prefix is only needed for vars that need appropriate #defines * generated when built with or without USE_5005THREADS. It is also used * to generate the appropriate export list for win32. * * When building without USE_5005THREADS, these variables will be truly global. * When building without USE_5005THREADS but with MULTIPLICITY, these variables * will be global per-interpreter. */ /* Important ones in the first cache line (if alignment is done right) */ #ifdef USE_5005THREADS PERLVAR(interp, PerlInterpreter*) /* thread owner */ #endif PERLVAR(Tstack_sp, SV **) /* top of the stack */ #ifdef OP_IN_REGISTER PERLVAR(Topsave, OP *) #else PERLVAR(Top, OP *) /* currently executing op */ #endif PERLVAR(Tcurpad, SV **) /* active pad (lexicals+tmps) */ PERLVAR(Tstack_base, SV **) PERLVAR(Tstack_max, SV **) PERLVAR(Tscopestack, I32 *) /* scopes we've ENTERed */ PERLVAR(Tscopestack_ix, I32) PERLVAR(Tscopestack_max,I32) PERLVAR(Tsavestack, ANY *) /* items that need to be restored when LEAVEing scopes we've ENTERed */ PERLVAR(Tsavestack_ix, I32) PERLVAR(Tsavestack_max, I32) PERLVAR(Ttmps_stack, SV **) /* mortals we've made */ PERLVARI(Ttmps_ix, I32, -1) PERLVARI(Ttmps_floor, I32, -1) PERLVAR(Ttmps_max, I32) PERLVAR(Tmarkstack, I32 *) /* stack_sp locations we're remembering */ PERLVAR(Tmarkstack_ptr, I32 *) PERLVAR(Tmarkstack_max, I32 *) PERLVAR(Tretstack, OP **) /* OPs we have postponed executing */ PERLVAR(Tretstack_ix, I32) PERLVAR(Tretstack_max, I32) PERLVAR(TSv, SV *) /* used to hold temporary values */ PERLVAR(TXpv, XPV *) /* used to hold temporary values */ /* =for apidoc Amn|STRLEN|PL_na A convenience variable which is typically used with C when one doesn't care about the length of the string. It is usually more efficient to either declare a local variable and use that instead or to use the C macro. =cut */ PERLVAR(Tna, STRLEN) /* for use in SvPV when length is Not Applicable */ /* stat stuff */ PERLVAR(Tstatbuf, Stat_t) PERLVAR(Tstatcache, Stat_t) /* _ */ PERLVAR(Tstatgv, GV *) PERLVARI(Tstatname, SV *, Nullsv) #ifdef HAS_TIMES PERLVAR(Ttimesbuf, struct tms) #endif /* Fields used by magic variables such as $@, $/ and so on */ PERLVAR(Ttainted, bool) /* using variables controlled by $< */ PERLVAR(Tcurpm, PMOP *) /* what to do \ interps in REs from */ PERLVAR(Tnrs, SV *) /* placeholder: unused since 5.8.0 (5.7.2 patch #12027 for bug ID 20010815.012) */ /* =for apidoc mn|SV*|PL_rs The input record separator - C<$/> in Perl space. =for apidoc mn|GV*|PL_last_in_gv The GV which was last used for a filehandle input operation. (C<< >>) =for apidoc mn|SV*|PL_ofs_sv The output field separator - C<$,> in Perl space. =cut */ PERLVAR(Trs, SV *) /* input record separator $/ */ PERLVAR(Tlast_in_gv, GV *) /* GV used in last */ PERLVAR(Tofs_sv, SV *) /* output field separator $, */ PERLVAR(Tdefoutgv, GV *) /* default FH for output */ PERLVARI(Tchopset, char *, " \n-") /* $: */ PERLVAR(Tformtarget, SV *) PERLVAR(Tbodytarget, SV *) PERLVAR(Ttoptarget, SV *) /* Stashes */ PERLVAR(Tdefstash, HV *) /* main symbol table */ PERLVAR(Tcurstash, HV *) /* symbol table for current package */ PERLVAR(Trestartop, OP *) /* propagating an error from croak? */ PERLVARI(Tcurcop, COP * VOL, &PL_compiling) PERLVAR(Tin_eval, VOL int) /* trap "fatal" errors? */ PERLVAR(Tdelaymagic, int) /* ($<,$>) = ... */ PERLVARI(Tdirty, bool, FALSE) /* in the middle of tearing things down? */ PERLVAR(Tlocalizing, int) /* are we processing a local() list? */ PERLVAR(Tcurstack, AV *) /* THE STACK */ PERLVAR(Tcurstackinfo, PERL_SI *) /* current stack + context */ PERLVAR(Tmainstack, AV *) /* the stack when nothing funny is happening */ PERLVAR(Ttop_env, JMPENV *) /* ptr. to current sigjmp() environment */ PERLVAR(Tstart_env, JMPENV) /* empty startup sigjmp() environment */ #ifdef PERL_FLEXIBLE_EXCEPTIONS PERLVARI(Tprotect, protect_proc_t, MEMBER_TO_FPTR(Perl_default_protect)) #endif PERLVARI(Terrors, SV *, Nullsv) /* outstanding queued errors */ /* statics "owned" by various functions */ PERLVAR(Tav_fetch_sv, SV *) /* owned by av_fetch() */ PERLVAR(Thv_fetch_sv, SV *) /* owned by hv_fetch() */ PERLVAR(Thv_fetch_ent_mh, HE) /* owned by hv_fetch_ent() */ PERLVAR(Tmodcount, I32) /* how much mod()ification in assignment? */ PERLVAR(Tlastgotoprobe, OP*) /* from pp_ctl.c */ PERLVARI(Tdumpindent, I32, 4) /* # of blanks per dump indentation level */ /* sort stuff */ PERLVAR(Tsortcop, OP *) /* user defined sort routine */ PERLVAR(Tsortstash, HV *) /* which is in some package or other */ PERLVAR(Tfirstgv, GV *) /* $a */ PERLVAR(Tsecondgv, GV *) /* $b */ PERLVAR(Tsortcxix, I32) /* from pp_ctl.c */ /* float buffer */ PERLVAR(Tefloatbuf, char*) PERLVAR(Tefloatsize, STRLEN) /* regex stuff */ PERLVAR(Tscreamfirst, I32 *) PERLVAR(Tscreamnext, I32 *) PERLVARI(Tmaxscream, I32, -1) PERLVAR(Tlastscream, SV *) PERLVAR(Tregdummy, regnode) /* from regcomp.c */ PERLVAR(Tregcomp_parse, char*) /* Input-scan pointer. */ PERLVAR(Tregxend, char*) /* End of input for compile */ PERLVAR(Tregcode, regnode*) /* Code-emit pointer; ®dummy = don't */ PERLVAR(Tregnaughty, I32) /* How bad is this pattern? */ PERLVAR(Tregsawback, I32) /* Did we see \1, ...? */ PERLVAR(Tregprecomp, char *) /* uncompiled string. */ PERLVAR(Tregnpar, I32) /* () count. */ PERLVAR(Tregsize, I32) /* Code size. */ PERLVAR(Tregflags, U16) /* are we folding, multilining? */ PERLVAR(Tregseen, U32) /* from regcomp.c */ PERLVAR(Tseen_zerolen, I32) /* from regcomp.c */ PERLVAR(Tseen_evals, I32) /* from regcomp.c */ PERLVAR(Tregcomp_rx, regexp *) /* from regcomp.c */ PERLVAR(Textralen, I32) /* from regcomp.c */ PERLVAR(Tcolorset, int) /* from regcomp.c */ PERLVARA(Tcolors,6, char *) /* from regcomp.c */ PERLVAR(Treg_whilem_seen, I32) /* number of WHILEM in this expr */ PERLVAR(Treginput, char *) /* String-input pointer. */ PERLVAR(Tregbol, char *) /* Beginning of input, for ^ check. */ PERLVAR(Tregeol, char *) /* End of input, for $ check. */ PERLVAR(Tregstartp, I32 *) /* Pointer to startp array. */ PERLVAR(Tregendp, I32 *) /* Ditto for endp. */ PERLVAR(Treglastparen, U32 *) /* Similarly for lastparen. */ PERLVAR(Treglastcloseparen, U32 *) /* Similarly for lastcloseparen. */ PERLVAR(Tregtill, char *) /* How far we are required to go. */ PERLVAR(Tregcompat1, char) /* used to be regprev1 */ PERLVAR(Treg_start_tmp, char **) /* from regexec.c */ PERLVAR(Treg_start_tmpl,U32) /* from regexec.c */ PERLVAR(Tregdata, struct reg_data *) /* from regexec.c renamed was data */ PERLVAR(Tbostr, char *) /* from regexec.c */ PERLVAR(Treg_flags, U32) /* from regexec.c */ PERLVAR(Treg_eval_set, I32) /* from regexec.c */ PERLVAR(Tregnarrate, I32) /* from regexec.c */ PERLVAR(Tregprogram, regnode *) /* from regexec.c */ PERLVARI(Tregindent, int, 0) /* from regexec.c */ PERLVAR(Tregcc, CURCUR *) /* from regexec.c */ PERLVAR(Treg_call_cc, struct re_cc_state *) /* from regexec.c */ PERLVAR(Treg_re, regexp *) /* from regexec.c */ PERLVAR(Treg_ganch, char *) /* position of \G */ PERLVAR(Treg_sv, SV *) /* what we match against */ PERLVAR(Treg_magic, MAGIC *) /* pos-magic of what we match */ PERLVAR(Treg_oldpos, I32) /* old pos of what we match */ PERLVARI(Treg_oldcurpm, PMOP*, NULL) /* curpm before match */ PERLVARI(Treg_curpm, PMOP*, NULL) /* curpm during match */ PERLVAR(Treg_oldsaved, char*) /* old saved substr during match */ PERLVAR(Treg_oldsavedlen, STRLEN) /* old length of saved substr during match */ PERLVAR(Treg_maxiter, I32) /* max wait until caching pos */ PERLVAR(Treg_leftiter, I32) /* wait until caching pos */ PERLVARI(Treg_poscache, char *, Nullch) /* cache of pos of WHILEM */ PERLVAR(Treg_poscache_size, STRLEN) /* size of pos cache of WHILEM */ PERLVARI(Tpeepp, peep_t, MEMBER_TO_FPTR(Perl_peep)) /* Pointer to peephole optimizer */ PERLVARI(Tregcompp, regcomp_t, MEMBER_TO_FPTR(Perl_pregcomp)) /* Pointer to REx compiler */ PERLVARI(Tregexecp, regexec_t, MEMBER_TO_FPTR(Perl_regexec_flags)) /* Pointer to REx executer */ PERLVARI(Tregint_start, re_intuit_start_t, MEMBER_TO_FPTR(Perl_re_intuit_start)) /* Pointer to optimized REx executer */ PERLVARI(Tregint_string,re_intuit_string_t, MEMBER_TO_FPTR(Perl_re_intuit_string)) /* Pointer to optimized REx string */ PERLVARI(Tregfree, regfree_t, MEMBER_TO_FPTR(Perl_pregfree)) /* Pointer to REx free()er */ PERLVARI(Treginterp_cnt,int, 0) /* Whether `Regexp' was interpolated. */ PERLVARI(Treg_starttry, char *, 0) /* -Dr: where regtry was called. */ PERLVARI(Twatchaddr, char **, 0) PERLVAR(Twatchok, char *) /* Note that the variables below are all explicitly referenced in the code * as thr->whatever and therefore don't need the 'T' prefix. */ #ifdef USE_5005THREADS PERLVAR(oursv, SV *) PERLVAR(cvcache, HV *) PERLVAR(self, perl_os_thread) /* Underlying thread object */ PERLVAR(flags, U32) PERLVAR(threadsv, AV *) /* Per-thread SVs ($_, $@ etc.) */ PERLVAR(threadsvp, SV **) /* AvARRAY(threadsv) */ PERLVAR(specific, AV *) /* Thread-specific user data */ PERLVAR(errsv, SV *) /* Backing SV for $@ */ PERLVAR(mutex, perl_mutex) /* For the fields others can change */ PERLVAR(tid, U32) PERLVAR(prev, struct perl_thread *) PERLVAR(next, struct perl_thread *) /* Circular linked list of threads */ #ifdef HAVE_THREAD_INTERN PERLVAR(i, struct thread_intern) /* Platform-dependent internals */ #endif PERLVAR(trailing_nul, char) /* For the sake of thrsv and oursv */ PERLVAR(thr_done, bool) /* True when the thread has finished */ #endif /* USE_5005THREADS */ PERLVAR(Treg_match_utf8, bool) /* was what we matched against utf8 */