sam-t2/devtools/v8plus/lib/perl5/5.8.8/sun4-solaris/CORE/thrdvar.h

/*    thdrvar.h
 *
 *    Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005 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) */

#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<SvPV> 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<SvPV_nolen> 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<< <FH> >>)

=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 <FH> */
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 */

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 *)           /* 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 */
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; &regdummy = 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,      U32)            /* 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 */

PERLVAR(Tcomppad,       AV *)           /* storage for lexically scoped temporaries */