1 | /* thdrvar.h
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2 | *
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3 | * Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005 by Larry Wall and others
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4 | *
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5 | * You may distribute under the terms of either the GNU General Public
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6 | * License or the Artistic License, as specified in the README file.
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7 | *
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8 | */
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9 |
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10 | /*
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11 | =head1 Global Variables
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12 | */
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13 |
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14 | /***********************************************/
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15 | /* Global only to current thread */
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16 | /***********************************************/
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17 |
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18 | /* Don't forget to re-run embed.pl to propagate changes! */
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19 |
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20 | /* The 'T' prefix is only needed for vars that need appropriate #defines
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21 | * generated when built with or without USE_5005THREADS. It is also used
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22 | * to generate the appropriate export list for win32.
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23 | *
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24 | * When building without USE_5005THREADS, these variables will be truly global.
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25 | * When building without USE_5005THREADS but with MULTIPLICITY, these variables
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26 | * will be global per-interpreter. */
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27 |
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28 | /* Important ones in the first cache line (if alignment is done right) */
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29 |
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30 | #ifdef USE_5005THREADS
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31 | PERLVAR(interp, PerlInterpreter*) /* thread owner */
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32 | #endif
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33 |
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34 | PERLVAR(Tstack_sp, SV **) /* top of the stack */
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35 | #ifdef OP_IN_REGISTER
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36 | PERLVAR(Topsave, OP *)
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37 | #else
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38 | PERLVAR(Top, OP *) /* currently executing op */
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39 | #endif
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40 | PERLVAR(Tcurpad, SV **) /* active pad (lexicals+tmps) */
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41 |
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42 | PERLVAR(Tstack_base, SV **)
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43 | PERLVAR(Tstack_max, SV **)
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44 |
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45 | PERLVAR(Tscopestack, I32 *) /* scopes we've ENTERed */
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46 | PERLVAR(Tscopestack_ix, I32)
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47 | PERLVAR(Tscopestack_max,I32)
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48 |
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49 | PERLVAR(Tsavestack, ANY *) /* items that need to be restored
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50 | when LEAVEing scopes we've ENTERed */
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51 | PERLVAR(Tsavestack_ix, I32)
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52 | PERLVAR(Tsavestack_max, I32)
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53 |
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54 | PERLVAR(Ttmps_stack, SV **) /* mortals we've made */
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55 | PERLVARI(Ttmps_ix, I32, -1)
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56 | PERLVARI(Ttmps_floor, I32, -1)
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57 | PERLVAR(Ttmps_max, I32)
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58 |
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59 | PERLVAR(Tmarkstack, I32 *) /* stack_sp locations we're remembering */
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60 | PERLVAR(Tmarkstack_ptr, I32 *)
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61 | PERLVAR(Tmarkstack_max, I32 *)
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62 |
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63 | PERLVAR(Tretstack, OP **) /* OPs we have postponed executing */
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64 | PERLVAR(Tretstack_ix, I32)
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65 | PERLVAR(Tretstack_max, I32)
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66 |
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67 | PERLVAR(TSv, SV *) /* used to hold temporary values */
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68 | PERLVAR(TXpv, XPV *) /* used to hold temporary values */
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69 |
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70 | /*
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71 | =for apidoc Amn|STRLEN|PL_na
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72 |
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73 | A convenience variable which is typically used with C<SvPV> when one
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74 | doesn't care about the length of the string. It is usually more efficient
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75 | to either declare a local variable and use that instead or to use the
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76 | C<SvPV_nolen> macro.
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77 |
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78 | =cut
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79 | */
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80 |
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81 | PERLVAR(Tna, STRLEN) /* for use in SvPV when length is
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82 | Not Applicable */
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83 |
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84 | /* stat stuff */
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85 | PERLVAR(Tstatbuf, Stat_t)
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86 | PERLVAR(Tstatcache, Stat_t) /* _ */
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87 | PERLVAR(Tstatgv, GV *)
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88 | PERLVARI(Tstatname, SV *, Nullsv)
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89 |
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90 | #ifdef HAS_TIMES
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91 | PERLVAR(Ttimesbuf, struct tms)
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92 | #endif
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93 |
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94 | /* Fields used by magic variables such as $@, $/ and so on */
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95 | PERLVAR(Ttainted, bool) /* using variables controlled by $< */
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96 | PERLVAR(Tcurpm, PMOP *) /* what to do \ interps in REs from */
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97 | PERLVAR(Tnrs, SV *) /* placeholder: unused since 5.8.0 (5.7.2 patch #12027 for bug ID 20010815.012) */
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98 |
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99 | /*
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100 | =for apidoc mn|SV*|PL_rs
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101 |
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102 | The input record separator - C<$/> in Perl space.
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103 |
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104 | =for apidoc mn|GV*|PL_last_in_gv
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105 |
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106 | The GV which was last used for a filehandle input operation. (C<< <FH> >>)
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107 |
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108 | =for apidoc mn|SV*|PL_ofs_sv
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109 |
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110 | The output field separator - C<$,> in Perl space.
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111 |
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112 | =cut
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113 | */
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114 |
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115 | PERLVAR(Trs, SV *) /* input record separator $/ */
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116 | PERLVAR(Tlast_in_gv, GV *) /* GV used in last <FH> */
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117 | PERLVAR(Tofs_sv, SV *) /* output field separator $, */
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118 | PERLVAR(Tdefoutgv, GV *) /* default FH for output */
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119 | PERLVARI(Tchopset, const char *, " \n-") /* $: */
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120 | PERLVAR(Tformtarget, SV *)
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121 | PERLVAR(Tbodytarget, SV *)
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122 | PERLVAR(Ttoptarget, SV *)
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123 |
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124 | /* Stashes */
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125 | PERLVAR(Tdefstash, HV *) /* main symbol table */
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126 | PERLVAR(Tcurstash, HV *) /* symbol table for current package */
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127 |
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128 | PERLVAR(Trestartop, OP *) /* propagating an error from croak? */
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129 | PERLVARI(Tcurcop, COP * VOL, &PL_compiling)
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130 | PERLVAR(Tin_eval, VOL int) /* trap "fatal" errors? */
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131 | PERLVAR(Tdelaymagic, int) /* ($<,$>) = ... */
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132 | PERLVARI(Tdirty, bool, FALSE) /* in the middle of tearing things down? */
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133 | PERLVAR(Tlocalizing, int) /* are we processing a local() list? */
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134 |
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135 | PERLVAR(Tcurstack, AV *) /* THE STACK */
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136 | PERLVAR(Tcurstackinfo, PERL_SI *) /* current stack + context */
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137 | PERLVAR(Tmainstack, AV *) /* the stack when nothing funny is happening */
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138 |
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139 | PERLVAR(Ttop_env, JMPENV *) /* ptr. to current sigjmp() environment */
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140 | PERLVAR(Tstart_env, JMPENV) /* empty startup sigjmp() environment */
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141 | #ifdef PERL_FLEXIBLE_EXCEPTIONS
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142 | PERLVARI(Tprotect, protect_proc_t, MEMBER_TO_FPTR(Perl_default_protect))
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143 | #endif
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144 | PERLVARI(Terrors, SV *, Nullsv) /* outstanding queued errors */
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145 |
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146 | /* statics "owned" by various functions */
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147 | PERLVAR(Tav_fetch_sv, SV *) /* unused as of change #19268 */
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148 | PERLVAR(Thv_fetch_sv, SV *) /* unused as of change #19268 */
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149 | PERLVAR(Thv_fetch_ent_mh, HE*) /* owned by hv_fetch_ent() */
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150 |
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151 | PERLVAR(Tmodcount, I32) /* how much mod()ification in assignment? */
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152 |
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153 | PERLVAR(Tlastgotoprobe, OP*) /* from pp_ctl.c */
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154 | PERLVARI(Tdumpindent, I32, 4) /* # of blanks per dump indentation level */
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155 |
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156 | /* sort stuff */
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157 | PERLVAR(Tsortcop, OP *) /* user defined sort routine */
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158 | PERLVAR(Tsortstash, HV *) /* which is in some package or other */
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159 | PERLVAR(Tfirstgv, GV *) /* $a */
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160 | PERLVAR(Tsecondgv, GV *) /* $b */
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161 | PERLVAR(Tsortcxix, I32) /* from pp_ctl.c */
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162 |
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163 | /* float buffer */
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164 | PERLVAR(Tefloatbuf, char*)
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165 | PERLVAR(Tefloatsize, STRLEN)
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166 |
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167 | /* regex stuff */
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168 |
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169 | PERLVAR(Tscreamfirst, I32 *)
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170 | PERLVAR(Tscreamnext, I32 *)
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171 | PERLVARI(Tmaxscream, I32, -1)
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172 | PERLVAR(Tlastscream, SV *)
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173 |
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174 | PERLVAR(Tregdummy, regnode) /* from regcomp.c */
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175 | PERLVAR(Tregcomp_parse, char*) /* Input-scan pointer. */
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176 | PERLVAR(Tregxend, char*) /* End of input for compile */
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177 | PERLVAR(Tregcode, regnode*) /* Code-emit pointer; ®dummy = don't */
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178 | PERLVAR(Tregnaughty, I32) /* How bad is this pattern? */
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179 | PERLVAR(Tregsawback, I32) /* Did we see \1, ...? */
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180 | PERLVAR(Tregprecomp, char *) /* uncompiled string. */
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181 | PERLVAR(Tregnpar, I32) /* () count. */
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182 | PERLVAR(Tregsize, I32) /* Code size. */
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183 | PERLVAR(Tregflags, U32) /* are we folding, multilining? */
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184 | PERLVAR(Tregseen, U32) /* from regcomp.c */
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185 | PERLVAR(Tseen_zerolen, I32) /* from regcomp.c */
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186 | PERLVAR(Tseen_evals, I32) /* from regcomp.c */
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187 | PERLVAR(Tregcomp_rx, regexp *) /* from regcomp.c */
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188 | PERLVAR(Textralen, I32) /* from regcomp.c */
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189 | PERLVAR(Tcolorset, int) /* from regcomp.c */
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190 | PERLVARA(Tcolors,6, char *) /* from regcomp.c */
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191 | PERLVAR(Treg_whilem_seen, I32) /* number of WHILEM in this expr */
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192 | PERLVAR(Treginput, char *) /* String-input pointer. */
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193 | PERLVAR(Tregbol, char *) /* Beginning of input, for ^ check. */
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194 | PERLVAR(Tregeol, char *) /* End of input, for $ check. */
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195 | PERLVAR(Tregstartp, I32 *) /* Pointer to startp array. */
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196 | PERLVAR(Tregendp, I32 *) /* Ditto for endp. */
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197 | PERLVAR(Treglastparen, U32 *) /* Similarly for lastparen. */
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198 | PERLVAR(Treglastcloseparen, U32 *) /* Similarly for lastcloseparen. */
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199 | PERLVAR(Tregtill, char *) /* How far we are required to go. */
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200 | PERLVAR(Tregcompat1, char) /* used to be regprev1 */
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201 | PERLVAR(Treg_start_tmp, char **) /* from regexec.c */
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202 | PERLVAR(Treg_start_tmpl,U32) /* from regexec.c */
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203 | PERLVAR(Tregdata, struct reg_data *)
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204 | /* from regexec.c renamed was data */
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205 | PERLVAR(Tbostr, char *) /* from regexec.c */
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206 | PERLVAR(Treg_flags, U32) /* from regexec.c */
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207 | PERLVAR(Treg_eval_set, I32) /* from regexec.c */
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208 | PERLVAR(Tregnarrate, I32) /* from regexec.c */
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209 | PERLVAR(Tregprogram, regnode *) /* from regexec.c */
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210 | PERLVARI(Tregindent, int, 0) /* from regexec.c */
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211 | PERLVAR(Tregcc, CURCUR *) /* from regexec.c */
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212 | PERLVAR(Treg_call_cc, struct re_cc_state *) /* from regexec.c */
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213 | PERLVAR(Treg_re, regexp *) /* from regexec.c */
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214 | PERLVAR(Treg_ganch, char *) /* position of \G */
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215 | PERLVAR(Treg_sv, SV *) /* what we match against */
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216 | PERLVAR(Treg_magic, MAGIC *) /* pos-magic of what we match */
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217 | PERLVAR(Treg_oldpos, I32) /* old pos of what we match */
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218 | PERLVARI(Treg_oldcurpm, PMOP*, NULL) /* curpm before match */
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219 | PERLVARI(Treg_curpm, PMOP*, NULL) /* curpm during match */
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220 | PERLVAR(Treg_oldsaved, char*) /* old saved substr during match */
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221 | PERLVAR(Treg_oldsavedlen, STRLEN) /* old length of saved substr during match */
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222 | PERLVAR(Treg_maxiter, I32) /* max wait until caching pos */
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223 | PERLVAR(Treg_leftiter, I32) /* wait until caching pos */
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224 | PERLVARI(Treg_poscache, char *, Nullch) /* cache of pos of WHILEM */
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225 | PERLVAR(Treg_poscache_size, STRLEN) /* size of pos cache of WHILEM */
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226 |
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227 | PERLVARI(Tpeepp, peep_t, MEMBER_TO_FPTR(Perl_peep))
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228 | /* Pointer to peephole optimizer */
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229 | PERLVARI(Tregcompp, regcomp_t, MEMBER_TO_FPTR(Perl_pregcomp))
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230 | /* Pointer to REx compiler */
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231 | PERLVARI(Tregexecp, regexec_t, MEMBER_TO_FPTR(Perl_regexec_flags))
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232 | /* Pointer to REx executer */
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233 | PERLVARI(Tregint_start, re_intuit_start_t, MEMBER_TO_FPTR(Perl_re_intuit_start))
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234 | /* Pointer to optimized REx executer */
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235 | PERLVARI(Tregint_string,re_intuit_string_t, MEMBER_TO_FPTR(Perl_re_intuit_string))
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236 | /* Pointer to optimized REx string */
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237 | PERLVARI(Tregfree, regfree_t, MEMBER_TO_FPTR(Perl_pregfree))
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238 | /* Pointer to REx free()er */
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239 |
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240 | PERLVARI(Treginterp_cnt,int, 0) /* Whether "Regexp" was interpolated. */
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241 | PERLVARI(Treg_starttry, char *, 0) /* -Dr: where regtry was called. */
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242 | PERLVARI(Twatchaddr, char **, 0)
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243 | PERLVAR(Twatchok, char *)
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244 |
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245 | /* Note that the variables below are all explicitly referenced in the code
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246 | * as thr->whatever and therefore don't need the 'T' prefix. */
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247 |
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248 | #ifdef USE_5005THREADS
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249 |
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250 | PERLVAR(oursv, SV *)
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251 | PERLVAR(cvcache, HV *)
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252 | PERLVAR(self, perl_os_thread) /* Underlying thread object */
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253 | PERLVAR(flags, U32)
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254 | PERLVAR(threadsv, AV *) /* Per-thread SVs ($_, $@ etc.) */
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255 | PERLVAR(threadsvp, SV **) /* AvARRAY(threadsv) */
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256 | PERLVAR(specific, AV *) /* Thread-specific user data */
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257 | PERLVAR(errsv, SV *) /* Backing SV for $@ */
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258 | PERLVAR(mutex, perl_mutex) /* For the fields others can change */
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259 | PERLVAR(tid, U32)
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260 | PERLVAR(prev, struct perl_thread *)
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261 | PERLVAR(next, struct perl_thread *)
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262 | /* Circular linked list of threads */
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263 |
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264 | #ifdef HAVE_THREAD_INTERN
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265 | PERLVAR(i, struct thread_intern)
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266 | /* Platform-dependent internals */
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267 | #endif
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268 |
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269 | PERLVAR(trailing_nul, char) /* For the sake of thrsv and oursv */
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270 | PERLVAR(thr_done, bool) /* True when the thread has finished */
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271 |
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272 | #endif /* USE_5005THREADS */
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273 |
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274 | PERLVAR(Treg_match_utf8, bool) /* was what we matched against utf8 */
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275 |
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276 | PERLVAR(Tcomppad, AV *) /* storage for lexically scoped temporaries */
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277 |
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