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extra space for new threads is initialized with a copy of the main

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thread, not of the creator thread.
This commit is contained in:
Roberto Ierusalimschy
2014-07-24 13:17:56 -03:00
parent baa0e23456
commit 57d8424146
1 changed files with 4 additions and 3 deletions
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7
lstate.c
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@@ -1,5 +1,5 @@
/* /*
** $Id: lstate.c,v 2.123 2014/07/18 13:36:14 roberto Exp roberto $ ** $Id: lstate.c,v 2.124 2014/07/24 14:00:16 roberto Exp roberto $
** Global State ** Global State
** See Copyright Notice in lua.h ** See Copyright Notice in lua.h
*/ */
@@ -250,7 +250,7 @@ static void close_state (lua_State *L) {
LUA_API lua_State *lua_newthread (lua_State *L) { LUA_API lua_State *lua_newthread (lua_State *L) {
global_State *g = G(L); global_State *g = G(L);
lua_State *L1; lua_State *L1;
lua_lock(L); lua_lock(L);
luaC_checkGC(L); luaC_checkGC(L);
@@ -270,7 +270,8 @@ LUA_API lua_State *lua_newthread (lua_State *L) {
L1->hook = L->hook; L1->hook = L->hook;
resethookcount(L1); resethookcount(L1);
/* initialize L1 extra space */ /* initialize L1 extra space */
memcpy(lua_getextraspace(L1), lua_getextraspace(L), LUA_EXTRASPACE); memcpy(lua_getextraspace(L1), lua_getextraspace(g->mainthread),
LUA_EXTRASPACE);
luai_userstatethread(L, L1); luai_userstatethread(L, L1);
stack_init(L1, L); /* init stack */ stack_init(L1, L); /* init stack */
lua_unlock(L); lua_unlock(L);