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annotate third_party/luajit/src/lj_state.c @ 212:84826b3c655b

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[MrJuneJune] Forgot to add assets.
author MrJuneJune <me@mrjunejune.com>
date Sun, 15 Feb 2026 21:38:36 -0800
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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diff changeset
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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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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MrJuneJune <me@mrjunejune.com>
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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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diff changeset
209 return NULL;
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diff changeset
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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diff changeset
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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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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MrJuneJune <me@mrjunejune.com>
parents:
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>
parents:
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);
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diff changeset
249 g->gc.state = GCSpause;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
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>
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diff changeset
252 g->gc.total = sizeof(GG_State);
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
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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.
MrJuneJune <me@mrjunejune.com>
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diff changeset
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;
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
274 }
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
diff changeset
275
94705b5986b3 [ThirdParty] Added WRK and luajit for load testing.
MrJuneJune <me@mrjunejune.com>
parents:
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