lib/perl5/5.6.1/msys/CORE/thrdvar.h

   1 /***********************************************/
   2 /* Global only to current thread               */
   3 /***********************************************/
   4
   5 /* Don't forget to re-run embed.pl to propagate changes! */
   6
   7 /* The 'T' prefix is only needed for vars that need appropriate #defines
   8  * generated when built with or without USE_THREADS.  It is also used
   9  * to generate the appropriate export list for win32.
  10  *
  11  * When building without USE_THREADS, these variables will be truly global.
  12  * When building without USE_THREADS but with MULTIPLICITY, these variables
  13  * will be global per-interpreter. */
  14
  15 /* Important ones in the first cache line (if alignment is done right) */
  16
  17 #ifdef USE_THREADS
  18 PERLVAR(interp,         PerlInterpreter*)       /* thread owner */
  19 #endif
  20
  21 PERLVAR(Tstack_sp,      SV **)          /* top of the stack */
  22 #ifdef OP_IN_REGISTER
  23 PERLVAR(Topsave,        OP *)
  24 #else
  25 PERLVAR(Top,            OP *)           /* currently executing op */
  26 #endif
  27 PERLVAR(Tcurpad,        SV **)          /* active pad (lexicals+tmps) */
  28
  29 PERLVAR(Tstack_base,    SV **)
  30 PERLVAR(Tstack_max,     SV **)
  31
  32 PERLVAR(Tscopestack,    I32 *)          /* scopes we've ENTERed */
  33 PERLVAR(Tscopestack_ix, I32)
  34 PERLVAR(Tscopestack_max,I32)
  35
  36 PERLVAR(Tsavestack,     ANY *)          /* items that need to be restored
  37                                            when LEAVEing scopes we've ENTERed */
  38 PERLVAR(Tsavestack_ix,  I32)
  39 PERLVAR(Tsavestack_max, I32)
  40
  41 PERLVAR(Ttmps_stack,    SV **)          /* mortals we've made */
  42 PERLVARI(Ttmps_ix,      I32,    -1)
  43 PERLVARI(Ttmps_floor,   I32,    -1)
  44 PERLVAR(Ttmps_max,      I32)
  45
  46 PERLVAR(Tmarkstack,     I32 *)          /* stack_sp locations we're remembering */
  47 PERLVAR(Tmarkstack_ptr, I32 *)
  48 PERLVAR(Tmarkstack_max, I32 *)
  49
  50 PERLVAR(Tretstack,      OP **)          /* OPs we have postponed executing */
  51 PERLVAR(Tretstack_ix,   I32)
  52 PERLVAR(Tretstack_max,  I32)
  53
  54 PERLVAR(TSv,            SV *)           /* used to hold temporary values */
  55 PERLVAR(TXpv,           XPV *)          /* used to hold temporary values */
  56
  57 /*
  58 =for apidoc Amn|STRLEN|PL_na
  59
  60 A convenience variable which is typically used with C<SvPV> when one
  61 doesn't care about the length of the string.  It is usually more efficient
  62 to either declare a local variable and use that instead or to use the
  63 C<SvPV_nolen> macro.
  64
  65 =cut
  66 */
  67
  68 PERLVAR(Tna,            STRLEN)         /* for use in SvPV when length is
  69                                            Not Applicable */
  70
  71 /* stat stuff */
  72 PERLVAR(Tstatbuf,       Stat_t)
  73 PERLVAR(Tstatcache,     Stat_t)         /* _ */
  74 PERLVAR(Tstatgv,        GV *)
  75 PERLVARI(Tstatname,     SV *,   Nullsv)
  76
  77 #ifdef HAS_TIMES
  78 PERLVAR(Ttimesbuf,      struct tms)
  79 #endif
  80
  81 /* Fields used by magic variables such as $@, $/ and so on */
  82 PERLVAR(Ttainted,       bool)           /* using variables controlled by $< */
  83 PERLVAR(Tcurpm,         PMOP *)         /* what to do \ interps in REs from */
  84 PERLVAR(Tnrs,           SV *)
  85
  86 /*
  87 =for apidoc mn|SV*|PL_rs
  88
  89 The input record separator - C<$/> in Perl space.
  90
  91 =for apidoc mn|GV*|PL_last_in_gv
  92
  93 The GV which was last used for a filehandle input operation. (C<< <FH> >>)
  94
  95 =for apidoc mn|SV*|PL_ofs_sv
  96
  97 The output field separator - C<$,> in Perl space.
  98
  99 =cut
 100 */
 101
 102 PERLVAR(Trs,            SV *)           /* input record separator $/ */
 103 PERLVAR(Tlast_in_gv,    GV *)           /* GV used in last <FH> */
 104 PERLVAR(Tofs,           char *)         /* output field separator $, */
 105 PERLVAR(Tofslen,        STRLEN)
 106 PERLVAR(Tdefoutgv,      GV *)           /* default FH for output */
 107 PERLVARI(Tchopset,      char *, " \n-") /* $: */
 108 PERLVAR(Tformtarget,    SV *)
 109 PERLVAR(Tbodytarget,    SV *)
 110 PERLVAR(Ttoptarget,     SV *)
 111
 112 /* Stashes */
 113 PERLVAR(Tdefstash,      HV *)           /* main symbol table */
 114 PERLVAR(Tcurstash,      HV *)           /* symbol table for current package */
 115
 116 PERLVAR(Trestartop,     OP *)           /* propagating an error from croak? */
 117 PERLVARI(Tcurcop,       COP * VOL,      &PL_compiling)
 118 PERLVAR(Tin_eval,       VOL int)        /* trap "fatal" errors? */
 119 PERLVAR(Tdelaymagic,    int)            /* ($<,$>) = ... */
 120 PERLVARI(Tdirty,        bool, FALSE)    /* in the middle of tearing things down? */
 121 PERLVAR(Tlocalizing,    int)            /* are we processing a local() list? */
 122
 123 PERLVAR(Tcurstack,      AV *)           /* THE STACK */
 124 PERLVAR(Tcurstackinfo,  PERL_SI *)      /* current stack + context */
 125 PERLVAR(Tmainstack,     AV *)           /* the stack when nothing funny is happening */
 126
 127 PERLVAR(Ttop_env,       JMPENV *)       /* ptr. to current sigjmp() environment */
 128 PERLVAR(Tstart_env,     JMPENV)         /* empty startup sigjmp() environment */
 129 #ifdef PERL_FLEXIBLE_EXCEPTIONS
 130 PERLVARI(Tprotect,      protect_proc_t, MEMBER_TO_FPTR(Perl_default_protect))
 131 #endif
 132 PERLVARI(Terrors,       SV *, Nullsv)   /* outstanding queued errors */
 133
 134 /* statics "owned" by various functions */
 135 PERLVAR(Tav_fetch_sv,   SV *)           /* owned by av_fetch() */
 136 PERLVAR(Thv_fetch_sv,   SV *)           /* owned by hv_fetch() */
 137 PERLVAR(Thv_fetch_ent_mh, HE)           /* owned by hv_fetch_ent() */
 138
 139 PERLVAR(Tmodcount,      I32)            /* how much mod()ification in assignment? */
 140
 141 PERLVAR(Tlastgotoprobe, OP*)            /* from pp_ctl.c */
 142 PERLVARI(Tdumpindent,   I32, 4)         /* # of blanks per dump indentation level */
 143
 144 /* sort stuff */
 145 PERLVAR(Tsortcop,       OP *)           /* user defined sort routine */
 146 PERLVAR(Tsortstash,     HV *)           /* which is in some package or other */
 147 PERLVAR(Tfirstgv,       GV *)           /* $a */
 148 PERLVAR(Tsecondgv,      GV *)           /* $b */
 149 PERLVAR(Tsortcxix,      I32)            /* from pp_ctl.c */
 150
 151 /* float buffer */
 152 PERLVAR(Tefloatbuf,     char*)
 153 PERLVAR(Tefloatsize,    STRLEN)
 154
 155 /* regex stuff */
 156
 157 PERLVAR(Tscreamfirst,   I32 *)
 158 PERLVAR(Tscreamnext,    I32 *)
 159 PERLVARI(Tmaxscream,    I32,    -1)
 160 PERLVAR(Tlastscream,    SV *)
 161
 162 PERLVAR(Tregdummy,      regnode)        /* from regcomp.c */
 163 PERLVAR(Tregcomp_parse, char*)          /* Input-scan pointer. */
 164 PERLVAR(Tregxend,       char*)          /* End of input for compile */
 165 PERLVAR(Tregcode,       regnode*)       /* Code-emit pointer; &regdummy = don't */
 166 PERLVAR(Tregnaughty,    I32)            /* How bad is this pattern? */
 167 PERLVAR(Tregsawback,    I32)            /* Did we see \1, ...? */
 168 PERLVAR(Tregprecomp,    char *)         /* uncompiled string. */
 169 PERLVAR(Tregnpar,       I32)            /* () count. */
 170 PERLVAR(Tregsize,       I32)            /* Code size. */
 171 PERLVAR(Tregflags,      U16)            /* are we folding, multilining? */
 172 PERLVAR(Tregseen,       U32)            /* from regcomp.c */
 173 PERLVAR(Tseen_zerolen,  I32)            /* from regcomp.c */
 174 PERLVAR(Tseen_evals,    I32)            /* from regcomp.c */
 175 PERLVAR(Tregcomp_rx,    regexp *)       /* from regcomp.c */
 176 PERLVAR(Textralen,      I32)            /* from regcomp.c */
 177 PERLVAR(Tcolorset,      int)            /* from regcomp.c */
 178 PERLVARA(Tcolors,6,     char *)         /* from regcomp.c */
 179 PERLVAR(Treg_whilem_seen, I32)          /* number of WHILEM in this expr */
 180 PERLVAR(Treginput,      char *)         /* String-input pointer. */
 181 PERLVAR(Tregbol,        char *)         /* Beginning of input, for ^ check. */
 182 PERLVAR(Tregeol,        char *)         /* End of input, for $ check. */
 183 PERLVAR(Tregstartp,     I32 *)          /* Pointer to startp array. */
 184 PERLVAR(Tregendp,       I32 *)          /* Ditto for endp. */
 185 PERLVAR(Treglastparen,  U32 *)          /* Similarly for lastparen. */
 186 PERLVAR(Tregtill,       char *)         /* How far we are required to go. */
 187 PERLVAR(Tregprev,       char)           /* char before regbol, \n if none */
 188 PERLVAR(Treg_start_tmp, char **)        /* from regexec.c */
 189 PERLVAR(Treg_start_tmpl,U32)            /* from regexec.c */
 190 PERLVAR(Tregdata,       struct reg_data *)
 191                                         /* from regexec.c renamed was data */
 192 PERLVAR(Tbostr,         char *)         /* from regexec.c */
 193 PERLVAR(Treg_flags,     U32)            /* from regexec.c */
 194 PERLVAR(Treg_eval_set,  I32)            /* from regexec.c */
 195 PERLVAR(Tregnarrate,    I32)            /* from regexec.c */
 196 PERLVAR(Tregprogram,    regnode *)      /* from regexec.c */
 197 PERLVARI(Tregindent,    int,        0)  /* from regexec.c */
 198 PERLVAR(Tregcc,         CURCUR *)       /* from regexec.c */
 199 PERLVAR(Treg_call_cc,   struct re_cc_state *)   /* from regexec.c */
 200 PERLVAR(Treg_re,        regexp *)       /* from regexec.c */
 201 PERLVAR(Treg_ganch,     char *)         /* position of \G */
 202 PERLVAR(Treg_sv,        SV *)           /* what we match against */
 203 PERLVAR(Treg_magic,     MAGIC *)        /* pos-magic of what we match */
 204 PERLVAR(Treg_oldpos,    I32)            /* old pos of what we match */
 205 PERLVARI(Treg_oldcurpm, PMOP*, NULL)    /* curpm before match */
 206 PERLVARI(Treg_curpm,    PMOP*, NULL)    /* curpm during match */
 207 PERLVAR(Treg_oldsaved,  char*)          /* old saved substr during match */
 208 PERLVAR(Treg_oldsavedlen, STRLEN)       /* old length of saved substr during match */
 209 PERLVAR(Treg_maxiter,   I32)            /* max wait until caching pos */
 210 PERLVAR(Treg_leftiter,  I32)            /* wait until caching pos */
 211 PERLVARI(Treg_poscache, char *, Nullch) /* cache of pos of WHILEM */
 212 PERLVAR(Treg_poscache_size, STRLEN)     /* size of pos cache of WHILEM */
 213
 214 PERLVARI(Tregcompp,     regcomp_t, MEMBER_TO_FPTR(Perl_pregcomp))
 215                                         /* Pointer to REx compiler */
 216 PERLVARI(Tregexecp,     regexec_t, MEMBER_TO_FPTR(Perl_regexec_flags))
 217                                         /* Pointer to REx executer */
 218 PERLVARI(Tregint_start, re_intuit_start_t, MEMBER_TO_FPTR(Perl_re_intuit_start))
 219                                         /* Pointer to optimized REx executer */
 220 PERLVARI(Tregint_string,re_intuit_string_t, MEMBER_TO_FPTR(Perl_re_intuit_string))
 221                                         /* Pointer to optimized REx string */
 222 PERLVARI(Tregfree,      regfree_t, MEMBER_TO_FPTR(Perl_pregfree))
 223                                         /* Pointer to REx free()er */
 224
 225 PERLVARI(Treginterp_cnt,int,        0)  /* Whether `Regexp'
 226                                                    was interpolated. */
 227 PERLVARI(Treg_starttry, char *,     0)  /* -Dr: where regtry was called. */
 228 PERLVARI(Twatchaddr,    char **,    0)
 229 PERLVAR(Twatchok,       char *)
 230
 231 /* Note that the variables below are all explicitly referenced in the code
 232  * as thr->whatever and therefore don't need the 'T' prefix. */
 233
 234 #ifdef USE_THREADS
 235
 236 PERLVAR(oursv,          SV *)
 237 PERLVAR(cvcache,        HV *)
 238 PERLVAR(self,           perl_os_thread) /* Underlying thread object */
 239 PERLVAR(flags,          U32)
 240 PERLVAR(threadsv,       AV *)           /* Per-thread SVs ($_, $@ etc.) */
 241 PERLVAR(threadsvp,      SV **)          /* AvARRAY(threadsv) */
 242 PERLVAR(specific,       AV *)           /* Thread-specific user data */
 243 PERLVAR(errsv,          SV *)           /* Backing SV for $@ */
 244 PERLVAR(mutex,          perl_mutex)     /* For the fields others can change */
 245 PERLVAR(tid,            U32)
 246 PERLVAR(prev,           struct perl_thread *)
 247 PERLVAR(next,           struct perl_thread *)
 248                                         /* Circular linked list of threads */
 249
 250 #ifdef HAVE_THREAD_INTERN
 251 PERLVAR(i,              struct thread_intern)
 252                                         /* Platform-dependent internals */
 253 #endif
 254
 255 PERLVAR(trailing_nul,   char)           /* For the sake of thrsv and oursv */
 256
 257 #endif /* USE_THREADS */