X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=thrdvar.h;h=61298edcd833ba2aa7904ef5e3a980bbc9dfff31;hb=1fef4616ad97a72dc45194bd8ac11e63e518aba2;hp=4c698368a4c908594f1c275d03433e84e6d2fef5;hpb=d4cce5f1785350c29a181d4bbaaa3141c6fdbe1e;p=p5sagit%2Fp5-mst-13.2.git diff --git a/thrdvar.h b/thrdvar.h index 4c69836..61298ed 100644 --- a/thrdvar.h +++ b/thrdvar.h @@ -1,104 +1,181 @@ -/* Per-thread variables */ +/* thdrvar.h + * + * Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 + * by Larry Wall and others + * + * 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(Tstack_base, SV **) -PERLVAR(Tstack_max, SV **) +PERLVAR(Ttmps_stack, SV **) /* mortals we've made */ +PERLVARI(Ttmps_ix, I32, -1) +PERLVARI(Ttmps_floor, I32, -1) +PERLVAR(Ttmps_max, I32) -PERLVAR(Tscopestack, I32 *) -PERLVAR(Tscopestack_ix, I32) -PERLVAR(Tscopestack_max,I32) +PERLVAR(Tmarkstack, I32 *) /* stack_sp locations we're remembering */ +PERLVAR(Tmarkstack_ptr, I32 *) +PERLVAR(Tmarkstack_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 *, NULL) -PERLVAR(TSv, SV *) -PERLVAR(TXpv, XPV *) -PERLVAR(Tstatbuf, struct stat) #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 *) -PERLVARI(Tchopset, char *, " \n-") /* $: */ -PERLVAR(Tformtarget, SV *) -PERLVAR(Tbodytarget, SV *) -PERLVAR(Ttoptarget, SV *) +PERLVAR(Tcurpm, PMOP *) /* what to do \ interps in REs from */ + +/* +=for apidoc mn|SV*|PL_rs + +The input record separator - C<$/> 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, const char *, " \n-") /* $: */ +PERLVAR(Tformtarget, SV *) +PERLVAR(Tbodytarget, SV *) +PERLVAR(Ttoptarget, SV *) /* Stashes */ PERLVAR(Tdefstash, HV *) /* main symbol table */ PERLVAR(Tcurstash, HV *) /* symbol table for current package */ -/* Stacks */ -PERLVAR(Ttmps_stack, SV **) -PERLVARI(Ttmps_ix, I32, -1) -PERLVARI(Ttmps_floor, I32, -1) -PERLVAR(Ttmps_max, I32) - -PERLVAR(Trestartop, OP *) /* Are we propagating an error from croak? */ -PERLVARI(Tcurcop, COP * VOL, &compiling) -PERLVAR(Tin_eval, VOL int) /* trap "fatal" errors? */ -PERLVAR(Tdelaymagic, int) /* ($<,$>) = ... */ -PERLVAR(Tdirty, bool) /* In the middle of tearing things down? */ -PERLVAR(Tlocalizing, U8) /* are we processing a local() list? */ - -PERLVAR(Tcxstack, PERL_CONTEXT *) -PERLVARI(Tcxstack_ix, I32, -1) -PERLVARI(Tcxstack_max, I32, 128) - -PERLVAR(Tcurstack, AV *) /* THE STACK */ -PERLVAR(Tmainstack, AV *) /* the stack when nothing funny is happening */ -PERLVAR(Ttop_env, JMPENV *) /* ptr. to current sigjmp() environment */ -PERLVAR(Tstart_env, JMPENV) /* empty startup sigjmp() environment */ - -/* XXX Sort stuff, firstgv secongv and so on? */ -/* XXX What about regexp stuff? */ - -#ifdef USE_THREADS - -PERLVAR(oursv, SV *) -PERLVAR(cvcache, HV *) -PERLVAR(self, perl_os_thread) /* Underlying thread object */ -PERLVAR(flags, U32) -PERLVAR(threadsv, AV *) /* Per-thread SVs ($_, $@ etc.) */ -PERLVAR(specific, AV *) /* Thread-specific user data */ -PERLVAR(errsv, SV *) /* Backing SV for $@ */ -PERLVAR(errhv, HV *) /* HV for what was %@ in pp_ctl.c */ -PERLVAR(mutex, perl_mutex) /* For the fields others can change */ -PERLVAR(tid, U32) -PERLVAR(prev, struct perl_thread *) -PERLVAR(next, struct perl_thread *) /* Circular linked list of threads */ - -#ifdef HAVE_THREAD_INTERN -PERLVAR(i, struct thread_intern) /* Platform-dependent internals */ -#endif +PERLVAR(Trestartop, OP *) /* propagating an error from croak? */ +PERLVARI(Tcurcop, COP * VOL, &PL_compiling) +PERLVAR(Tin_eval, VOL U8) /* trap "fatal" errors? */ +PERLVAR(Tdelaymagic, U16) /* ($<,$>) = ... */ +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 */ +PERLVARI(Terrors, SV *, NULL) /* outstanding queued errors */ + +/* statics "owned" by various functions */ +PERLVAR(Tav_fetch_sv, SV *) /* unused as of change #19268 */ +PERLVAR(Thv_fetch_sv, SV *) /* unused as of change #19268 */ +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 */ + +/* float buffer */ +PERLVAR(Tefloatbuf, char*) +PERLVAR(Tefloatsize, STRLEN) + +/* regex stuff */ + +PERLVAR(Tscreamfirst, I32 *) +PERLVAR(Tscreamnext, I32 *) +PERLVARI(Tmaxscream, I32, -1) +PERLVAR(Tlastscream, SV *) + +PERLVAR(Treg_state, struct re_save_state) +PERLVAR(Tregdummy, regnode) /* from regcomp.c */ +PERLVAR(Tcolorset, int) /* from regcomp.c */ +PERLVARA(Tcolors,6, char *) /* from regcomp.c */ + +PERLVARI(Tpeepp, peep_t, MEMBER_TO_FPTR(Perl_peep)) + /* Pointer to peephole optimizer */ + +PERLVARI(Treginterp_cnt,int, 0) /* Whether "Regexp" was interpolated. */ +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(trailing_nul, char) /* For the sake of thrsv and oursv */ +/* the currently active slab in a chain of slabs of regmatch states, + * and the currently active state within that slab */ -#endif /* USE_THREADS */ +PERLVARI(Tregmatch_slab, regmatch_slab *, NULL) +PERLVAR(Tregmatch_state, regmatch_state *)