X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=thrdvar.h;h=c609c00976bd2a533e016c3bfcb5abc2dfdfc787;hb=05404ffef2713f4c61b42355c2a2ce1a95343c33;hp=9719420d96806a3496ee5b8ef4602e029f423932;hpb=940cb80d04d066d4fedfc4486ab57e435ee74514;p=p5sagit%2Fp5-mst-13.2.git diff --git a/thrdvar.h b/thrdvar.h index 9719420..c609c00 100644 --- a/thrdvar.h +++ b/thrdvar.h @@ -1,105 +1,233 @@ -/* Per-thread variables */ +/* thdrvar.h + * + * Copyright (c) 1997-2003, 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) */ -PERLVAR(Tstack_sp, SV **) +PERLVAR(Tstack_sp, SV **) /* top of the stack */ #ifdef OP_IN_REGISTER -PERLVAR(Topsave, OP *) +PERLVAR(Topsave, OP *) #else -PERLVAR(Top, OP *) +PERLVAR(Top, OP *) /* currently executing op */ #endif -PERLVAR(Tcurpad, SV **) +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(Tstack_base, SV **) -PERLVAR(Tstack_max, SV **) +PERLVAR(Tmarkstack, I32 *) /* stack_sp locations we're remembering */ +PERLVAR(Tmarkstack_ptr, I32 *) +PERLVAR(Tmarkstack_max, I32 *) -PERLVAR(Tscopestack, I32 *) -PERLVAR(Tscopestack_ix, I32) -PERLVAR(Tscopestack_max,I32) +PERLVAR(Tretstack, OP **) /* OPs we have postponed executing */ +PERLVAR(Tretstack_ix, I32) +PERLVAR(Tretstack_max, I32) -PERLVAR(Tsavestack, ANY *) -PERLVAR(Tsavestack_ix, I32) -PERLVAR(Tsavestack_max, I32) +PERLVAR(TSv, SV *) /* used to hold temporary values */ +PERLVAR(TXpv, XPV *) /* used to hold temporary values */ -PERLVAR(Tretstack, OP **) -PERLVAR(Tretstack_ix, I32) -PERLVAR(Tretstack_max, I32) +/* +=for apidoc Amn|STRLEN|PL_na -PERLVAR(Tmarkstack, I32 *) -PERLVAR(Tmarkstack_ptr, I32 *) -PERLVAR(Tmarkstack_max, I32 *) +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) -PERLVAR(TSv, SV *) -PERLVAR(TXpv, XPV *) -PERLVAR(Tstatbuf, Stat_t) #ifdef HAS_TIMES -PERLVAR(Ttimesbuf, struct tms) +PERLVAR(Ttimesbuf, struct tms) #endif - -/* Now the fields that used to be "per interpreter" (even when global) */ /* Fields used by magic variables such as $@, $/ and so on */ PERLVAR(Ttainted, bool) /* using variables controlled by $< */ -PERLVAR(Tcurpm, PMOP *) /* what to do \ interps from */ -PERLVAR(Tnrs, SV *) -PERLVAR(Trs, SV *) /* $/ */ -PERLVAR(Tlast_in_gv, GV *) -PERLVAR(Tofs, char *) /* $, */ -PERLVAR(Tofslen, STRLEN) -PERLVAR(Tdefoutgv, GV *) +PERLVAR(Tcurpm, PMOP *) /* what to do \ interps in REs from */ +PERLVAR(Tnrs, SV *) /* was placeholder: unused since 5.8.0 (5.7.2 patch #12027 for bug ID 20010815.012). Used to save rx->saved_copy */ + +/* +=for apidoc mn|SV*|PL_rs + +The input record separator - C<$/> 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-") /* $: */ -PERLVAR(Tformtarget, SV *) -PERLVAR(Tbodytarget, SV *) -PERLVAR(Ttoptarget, SV *) +PERLVAR(Tformtarget, SV *) +PERLVAR(Tbodytarget, SV *) +PERLVAR(Ttoptarget, SV *) /* Stashes */ PERLVAR(Tdefstash, HV *) /* main symbol table */ PERLVAR(Tcurstash, HV *) /* symbol table for current package */ -/* Stacks */ -PERLVAR(Ttmps_stack, SV **) -PERLVARI(Ttmps_ix, I32, -1) -PERLVARI(Ttmps_floor, I32, -1) -PERLVAR(Ttmps_max, I32) - -PERLVAR(Trestartop, OP *) /* Are we propagating an error from croak? */ -PERLVARI(Tcurcop, COP * VOL, &compiling) +PERLVAR(Trestartop, OP *) /* propagating an error from croak? */ +PERLVARI(Tcurcop, COP * VOL, &PL_compiling) PERLVAR(Tin_eval, VOL int) /* trap "fatal" errors? */ PERLVAR(Tdelaymagic, int) /* ($<,$>) = ... */ -PERLVAR(Tdirty, bool) /* In the middle of tearing things down? */ +PERLVARI(Tdirty, bool, FALSE) /* in the middle of tearing things down? */ PERLVAR(Tlocalizing, int) /* are we processing a local() list? */ -PERLVAR(Tcxstack, PERL_CONTEXT *) -PERLVARI(Tcxstack_ix, I32, -1) -PERLVARI(Tcxstack_max, I32, 128) - -PERLVAR(Tcurstack, AV *) /* THE STACK */ -PERLVAR(Tmainstack, AV *) /* the stack when nothing funny is happening */ -PERLVAR(Ttop_env, JMPENV *) /* ptr. to current sigjmp() environment */ -PERLVAR(Tstart_env, JMPENV) /* empty startup sigjmp() environment */ - -/* XXX Sort stuff, firstgv secongv and so on? */ -/* XXX What about regexp stuff? */ - -#ifdef USE_THREADS - -PERLVAR(oursv, SV *) -PERLVAR(cvcache, HV *) -PERLVAR(self, perl_os_thread) /* Underlying thread object */ -PERLVAR(flags, U32) -PERLVAR(threadsv, AV *) /* Per-thread SVs ($_, $@ etc.) */ -PERLVAR(threadsvp, SV **) /* AvARRAY(threadsv) */ -PERLVAR(specific, AV *) /* Thread-specific user data */ -PERLVAR(errsv, SV *) /* Backing SV for $@ */ -PERLVAR(errhv, HV *) /* HV for what was %@ in pp_ctl.c */ -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(Tcurstack, AV *) /* THE STACK */ +PERLVAR(Tcurstackinfo, PERL_SI *) /* current stack + context */ +PERLVAR(Tmainstack, AV *) /* the stack when nothing funny is happening */ -PERLVAR(trailing_nul, char) /* For the sake of thrsv and oursv */ +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(Tregprecomp, char *) /* uncompiled string. */ +PERLVAR(Tregnpar, I32) /* () count. */ +PERLVAR(Tregsize, I32) /* Code size. */ +PERLVAR(Tcolorset, int) /* from regcomp.c */ +PERLVARA(Tcolors,6, char *) /* from regcomp.c */ +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(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. */ + +PERLVAR(Treg_match_utf8, bool) /* was what we matched against utf8 */ -#endif /* USE_THREADS */