annotate third_party/luajit/src/lj_state.c @ 279:b3b547563ec7

Add Google connector service and agent wiki Implement the C/Seobeo Google Drive and Gmail connector with encrypted OAuth storage, Zenbu authentication, browser testing, AI tool discovery, chunked HTTP decoding, and Bazel coverage. Consolidate repository guidance into progressive wiki documentation and enforce arena-first allocation for new first-party C code. Co-authored-by: Copilot <[email protected]> Copilot-Session: 84c338fd-0939-4bb3-b7f3-1062eb213e5d
author MrJuneJune <me@mrjunejune.com>
date Mon, 17 Aug 2026 22:22:36 -0700
parents 94705b5986b3
children
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178
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1 /*
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2 ** State and stack handling.
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3 ** Copyright (C) 2005-2023 Mike Pall. See Copyright Notice in luajit.h
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4 **
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5 ** Portions taken verbatim or adapted from the Lua interpreter.
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6 ** Copyright (C) 1994-2008 Lua.org, PUC-Rio. See Copyright Notice in lua.h
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7 */
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8
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9 #define lj_state_c
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10 #define LUA_CORE
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11
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12 #include "lj_obj.h"
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13 #include "lj_gc.h"
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14 #include "lj_err.h"
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15 #include "lj_buf.h"
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16 #include "lj_str.h"
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17 #include "lj_tab.h"
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18 #include "lj_func.h"
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19 #include "lj_meta.h"
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20 #include "lj_state.h"
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21 #include "lj_frame.h"
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22 #if LJ_HASFFI
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23 #include "lj_ctype.h"
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24 #endif
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25 #include "lj_trace.h"
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26 #include "lj_dispatch.h"
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27 #include "lj_vm.h"
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28 #include "lj_prng.h"
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29 #include "lj_lex.h"
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30 #include "lj_alloc.h"
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31 #include "luajit.h"
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32
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33 /* -- Stack handling ------------------------------------------------------ */
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34
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35 /* Stack sizes. */
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36 #define LJ_STACK_MIN LUA_MINSTACK /* Min. stack size. */
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37 #define LJ_STACK_MAX LUAI_MAXSTACK /* Max. stack size. */
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38 #define LJ_STACK_START (2*LJ_STACK_MIN) /* Starting stack size. */
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39 #define LJ_STACK_MAXEX (LJ_STACK_MAX + 1 + LJ_STACK_EXTRA)
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40
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41 /* Explanation of LJ_STACK_EXTRA:
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42 **
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43 ** Calls to metamethods store their arguments beyond the current top
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44 ** without checking for the stack limit. This avoids stack resizes which
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45 ** would invalidate passed TValue pointers. The stack check is performed
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46 ** later by the function header. This can safely resize the stack or raise
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47 ** an error. Thus we need some extra slots beyond the current stack limit.
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48 **
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49 ** Most metamethods need 4 slots above top (cont, mobj, arg1, arg2) plus
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50 ** one extra slot if mobj is not a function. Only lj_meta_tset needs 5
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51 ** slots above top, but then mobj is always a function. So we can get by
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52 ** with 5 extra slots.
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53 ** LJ_FR2: We need 2 more slots for the frame PC and the continuation PC.
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54 */
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55
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56 /* Resize stack slots and adjust pointers in state. */
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57 static void resizestack(lua_State *L, MSize n)
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58 {
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59 TValue *st, *oldst = tvref(L->stack);
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60 ptrdiff_t delta;
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61 MSize oldsize = L->stacksize;
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62 MSize realsize = n + 1 + LJ_STACK_EXTRA;
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63 GCobj *up;
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64 lj_assertL((MSize)(tvref(L->maxstack)-oldst) == L->stacksize-LJ_STACK_EXTRA-1,
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65 "inconsistent stack size");
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66 st = (TValue *)lj_mem_realloc(L, tvref(L->stack),
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67 (MSize)(oldsize*sizeof(TValue)),
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68 (MSize)(realsize*sizeof(TValue)));
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69 setmref(L->stack, st);
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70 delta = (char *)st - (char *)oldst;
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71 setmref(L->maxstack, st + n);
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72 while (oldsize < realsize) /* Clear new slots. */
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73 setnilV(st + oldsize++);
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74 L->stacksize = realsize;
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75 if ((size_t)(mref(G(L)->jit_base, char) - (char *)oldst) < oldsize)
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76 setmref(G(L)->jit_base, mref(G(L)->jit_base, char) + delta);
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77 L->base = (TValue *)((char *)L->base + delta);
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78 L->top = (TValue *)((char *)L->top + delta);
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79 for (up = gcref(L->openupval); up != NULL; up = gcnext(up))
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80 setmref(gco2uv(up)->v, (TValue *)((char *)uvval(gco2uv(up)) + delta));
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81 }
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82
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83 /* Relimit stack after error, in case the limit was overdrawn. */
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84 void lj_state_relimitstack(lua_State *L)
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85 {
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86 if (L->stacksize > LJ_STACK_MAXEX && L->top-tvref(L->stack) < LJ_STACK_MAX-1)
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87 resizestack(L, LJ_STACK_MAX);
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88 }
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89
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90 /* Try to shrink the stack (called from GC). */
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91 void lj_state_shrinkstack(lua_State *L, MSize used)
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92 {
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93 if (L->stacksize > LJ_STACK_MAXEX)
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94 return; /* Avoid stack shrinking while handling stack overflow. */
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95 if (4*used < L->stacksize &&
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96 2*(LJ_STACK_START+LJ_STACK_EXTRA) < L->stacksize &&
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97 /* Don't shrink stack of live trace. */
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98 (tvref(G(L)->jit_base) == NULL || obj2gco(L) != gcref(G(L)->cur_L)))
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99 resizestack(L, L->stacksize >> 1);
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100 }
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101
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102 /* Try to grow stack. */
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103 void LJ_FASTCALL lj_state_growstack(lua_State *L, MSize need)
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104 {
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105 MSize n;
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106 if (L->stacksize > LJ_STACK_MAXEX) /* Overflow while handling overflow? */
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107 lj_err_throw(L, LUA_ERRERR);
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108 n = L->stacksize + need;
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109 if (n > LJ_STACK_MAX) {
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110 n += 2*LUA_MINSTACK;
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111 } else if (n < 2*L->stacksize) {
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112 n = 2*L->stacksize;
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113 if (n >= LJ_STACK_MAX)
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114 n = LJ_STACK_MAX;
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115 }
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116 resizestack(L, n);
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117 if (L->stacksize >= LJ_STACK_MAXEX)
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118 lj_err_msg(L, LJ_ERR_STKOV);
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119 }
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120
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121 void LJ_FASTCALL lj_state_growstack1(lua_State *L)
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122 {
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123 lj_state_growstack(L, 1);
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124 }
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125
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126 /* Allocate basic stack for new state. */
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127 static void stack_init(lua_State *L1, lua_State *L)
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128 {
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129 TValue *stend, *st = lj_mem_newvec(L, LJ_STACK_START+LJ_STACK_EXTRA, TValue);
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130 setmref(L1->stack, st);
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131 L1->stacksize = LJ_STACK_START + LJ_STACK_EXTRA;
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132 stend = st + L1->stacksize;
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133 setmref(L1->maxstack, stend - LJ_STACK_EXTRA - 1);
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134 setthreadV(L1, st++, L1); /* Needed for curr_funcisL() on empty stack. */
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135 if (LJ_FR2) setnilV(st++);
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136 L1->base = L1->top = st;
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137 while (st < stend) /* Clear new slots. */
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138 setnilV(st++);
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139 }
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140
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141 /* -- State handling ------------------------------------------------------ */
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142
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143 /* Open parts that may cause memory-allocation errors. */
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144 static TValue *cpluaopen(lua_State *L, lua_CFunction dummy, void *ud)
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145 {
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146 global_State *g = G(L);
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147 UNUSED(dummy);
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diff changeset
148 UNUSED(ud);
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diff changeset
149 stack_init(L, L);
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150 /* NOBARRIER: State initialization, all objects are white. */
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151 setgcref(L->env, obj2gco(lj_tab_new(L, 0, LJ_MIN_GLOBAL)));
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152 settabV(L, registry(L), lj_tab_new(L, 0, LJ_MIN_REGISTRY));
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153 lj_str_init(L);
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154 lj_meta_init(L);
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155 lj_lex_init(L);
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diff changeset
156 fixstring(lj_err_str(L, LJ_ERR_ERRMEM)); /* Preallocate memory error msg. */
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157 g->gc.threshold = 4*g->gc.total;
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158 lj_trace_initstate(g);
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159 lj_err_verify();
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160 return NULL;
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161 }
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162
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diff changeset
163 static void close_state(lua_State *L)
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164 {
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165 global_State *g = G(L);
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166 lj_func_closeuv(L, tvref(L->stack));
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167 lj_gc_freeall(g);
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diff changeset
168 lj_assertG(gcref(g->gc.root) == obj2gco(L),
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169 "main thread is not first GC object");
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170 lj_assertG(g->str.num == 0, "leaked %d strings", g->str.num);
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171 lj_trace_freestate(g);
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diff changeset
172 #if LJ_HASFFI
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diff changeset
173 lj_ctype_freestate(g);
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MrJuneJune <me@mrjunejune.com>
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diff changeset
174 #endif
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diff changeset
175 lj_str_freetab(g);
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diff changeset
176 lj_buf_free(g, &g->tmpbuf);
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diff changeset
177 lj_mem_freevec(g, tvref(L->stack), L->stacksize, TValue);
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178 #if LJ_64
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179 if (mref(g->gc.lightudseg, uint32_t)) {
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180 MSize segnum = g->gc.lightudnum ? (2 << lj_fls(g->gc.lightudnum)) : 2;
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diff changeset
181 lj_mem_freevec(g, mref(g->gc.lightudseg, uint32_t), segnum, uint32_t);
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182 }
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183 #endif
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184 lj_assertG(g->gc.total == sizeof(GG_State),
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185 "memory leak of %lld bytes",
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186 (long long)(g->gc.total - sizeof(GG_State)));
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187 #ifndef LUAJIT_USE_SYSMALLOC
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188 if (g->allocf == lj_alloc_f)
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189 lj_alloc_destroy(g->allocd);
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190 else
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191 #endif
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diff changeset
192 g->allocf(g->allocd, G2GG(g), sizeof(GG_State), 0);
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193 }
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194
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195 #if LJ_64 && !LJ_GC64 && !(defined(LUAJIT_USE_VALGRIND) && defined(LUAJIT_USE_SYSMALLOC))
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196 lua_State *lj_state_newstate(lua_Alloc allocf, void *allocd)
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197 #else
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198 LUA_API lua_State *lua_newstate(lua_Alloc allocf, void *allocd)
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diff changeset
199 #endif
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200 {
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201 PRNGState prng;
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diff changeset
202 GG_State *GG;
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diff changeset
203 lua_State *L;
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diff changeset
204 global_State *g;
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diff changeset
205 /* We need the PRNG for the memory allocator, so initialize this first. */
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diff changeset
206 if (!lj_prng_seed_secure(&prng)) {
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diff changeset
207 lj_assertX(0, "secure PRNG seeding failed");
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208 /* Can only return NULL here, so this errors with "not enough memory". */
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209 return NULL;
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210 }
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diff changeset
211 #ifndef LUAJIT_USE_SYSMALLOC
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diff changeset
212 if (allocf == LJ_ALLOCF_INTERNAL) {
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diff changeset
213 allocd = lj_alloc_create(&prng);
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diff changeset
214 if (!allocd) return NULL;
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diff changeset
215 allocf = lj_alloc_f;
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diff changeset
216 }
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diff changeset
217 #endif
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218 GG = (GG_State *)allocf(allocd, NULL, 0, sizeof(GG_State));
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diff changeset
219 if (GG == NULL || !checkptrGC(GG)) return NULL;
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diff changeset
220 memset(GG, 0, sizeof(GG_State));
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diff changeset
221 L = &GG->L;
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diff changeset
222 g = &GG->g;
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diff changeset
223 L->gct = ~LJ_TTHREAD;
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diff changeset
224 L->marked = LJ_GC_WHITE0 | LJ_GC_FIXED | LJ_GC_SFIXED; /* Prevent free. */
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diff changeset
225 L->dummy_ffid = FF_C;
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diff changeset
226 setmref(L->glref, g);
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diff changeset
227 g->gc.currentwhite = LJ_GC_WHITE0 | LJ_GC_FIXED;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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diff changeset
228 g->strempty.marked = LJ_GC_WHITE0;
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diff changeset
229 g->strempty.gct = ~LJ_TSTR;
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diff changeset
230 g->allocf = allocf;
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diff changeset
231 g->allocd = allocd;
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diff changeset
232 g->prng = prng;
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diff changeset
233 #ifndef LUAJIT_USE_SYSMALLOC
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diff changeset
234 if (allocf == lj_alloc_f) {
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diff changeset
235 lj_alloc_setprng(allocd, &g->prng);
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diff changeset
236 }
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diff changeset
237 #endif
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diff changeset
238 setgcref(g->mainthref, obj2gco(L));
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diff changeset
239 setgcref(g->uvhead.prev, obj2gco(&g->uvhead));
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diff changeset
240 setgcref(g->uvhead.next, obj2gco(&g->uvhead));
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diff changeset
241 g->str.mask = ~(MSize)0;
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diff changeset
242 setnilV(registry(L));
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diff changeset
243 setnilV(&g->nilnode.val);
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
244 setnilV(&g->nilnode.key);
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MrJuneJune <me@mrjunejune.com>
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diff changeset
245 #if !LJ_GC64
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diff changeset
246 setmref(g->nilnode.freetop, &g->nilnode);
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diff changeset
247 #endif
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diff changeset
248 lj_buf_init(NULL, &g->tmpbuf);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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diff changeset
249 g->gc.state = GCSpause;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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diff changeset
250 setgcref(g->gc.root, obj2gco(L));
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
251 setmref(g->gc.sweep, &g->gc.root);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
252 g->gc.total = sizeof(GG_State);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
253 g->gc.pause = LUAI_GCPAUSE;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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diff changeset
254 g->gc.stepmul = LUAI_GCMUL;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
255 lj_dispatch_init((GG_State *)L);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
256 L->status = LUA_ERRERR+1; /* Avoid touching the stack upon memory error. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
257 if (lj_vm_cpcall(L, NULL, NULL, cpluaopen) != 0) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
258 /* Memory allocation error: free partial state. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
259 close_state(L);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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diff changeset
260 return NULL;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
261 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
262 L->status = LUA_OK;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
263 return L;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
264 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
265
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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diff changeset
266 static TValue *cpfinalize(lua_State *L, lua_CFunction dummy, void *ud)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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diff changeset
267 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
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268 UNUSED(dummy);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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diff changeset
269 UNUSED(ud);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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diff changeset
270 lj_gc_finalize_cdata(L);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
271 lj_gc_finalize_udata(L);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
272 /* Frame pop omitted. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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diff changeset
273 return NULL;
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
274 }
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
275
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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diff changeset
276 LUA_API void lua_close(lua_State *L)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
277 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
278 global_State *g = G(L);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
279 int i;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
280 L = mainthread(g); /* Only the main thread can be closed. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
281 #if LJ_HASPROFILE
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
282 luaJIT_profile_stop(L);
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MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
283 #endif
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
284 setgcrefnull(g->cur_L);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
285 lj_func_closeuv(L, tvref(L->stack));
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
286 lj_gc_separateudata(g, 1); /* Separate udata which have GC metamethods. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
287 #if LJ_HASJIT
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
288 G2J(g)->flags &= ~JIT_F_ON;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
289 G2J(g)->state = LJ_TRACE_IDLE;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
290 lj_dispatch_update(g);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
291 #endif
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
292 for (i = 0;;) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
293 hook_enter(g);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
294 L->status = LUA_OK;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
295 L->base = L->top = tvref(L->stack) + 1 + LJ_FR2;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
296 L->cframe = NULL;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
297 if (lj_vm_cpcall(L, NULL, NULL, cpfinalize) == LUA_OK) {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
298 if (++i >= 10) break;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
299 lj_gc_separateudata(g, 1); /* Separate udata again. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
300 if (gcref(g->gc.mmudata) == NULL) /* Until nothing is left to do. */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
301 break;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
302 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
303 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
304 close_state(L);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
305 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
306
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
307 lua_State *lj_state_new(lua_State *L)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
308 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
309 lua_State *L1 = lj_mem_newobj(L, lua_State);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
310 L1->gct = ~LJ_TTHREAD;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
311 L1->dummy_ffid = FF_C;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
312 L1->status = LUA_OK;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
313 L1->stacksize = 0;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
314 setmref(L1->stack, NULL);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
315 L1->cframe = NULL;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
316 /* NOBARRIER: The lua_State is new (marked white). */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
317 setgcrefnull(L1->openupval);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
318 setmrefr(L1->glref, L->glref);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
319 setgcrefr(L1->env, L->env);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
320 stack_init(L1, L); /* init stack */
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
321 lj_assertL(iswhite(obj2gco(L1)), "new thread object is not white");
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
322 return L1;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
323 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
324
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
325 void LJ_FASTCALL lj_state_free(global_State *g, lua_State *L)
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
326 {
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
327 lj_assertG(L != mainthread(g), "free of main thread");
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
328 if (obj2gco(L) == gcref(g->cur_L))
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
329 setgcrefnull(g->cur_L);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
330 lj_func_closeuv(L, tvref(L->stack));
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
331 lj_assertG(gcref(L->openupval) == NULL, "stale open upvalues");
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
332 lj_mem_freevec(g, tvref(L->stack), L->stacksize, TValue);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
333 lj_mem_freet(g, L);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
334 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
335