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"step" option in lua_gc also need to lock Lua.

This commit is contained in:
Roberto Ierusalimschy 2004-06-30 11:15:23 -03:00
parent a6179adf12
commit 96917ff42a
1 changed files with 13 additions and 10 deletions
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23
lapi.c
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@ -1,5 +1,5 @@
/*
** $Id: lapi.c,v 2.11 2004/06/04 15:30:53 roberto Exp roberto $
** $Id: lapi.c,v 2.12 2004/06/08 14:31:00 roberto Exp roberto $
** Lua API
** See Copyright Notice in lua.h
*/
@ -820,25 +820,26 @@ LUA_API int lua_dump (lua_State *L, lua_Chunkwriter writer, void *data) {
*/
LUA_API int lua_gc (lua_State *L, int what, int data) {
global_State *g = G(L);
int res = 0;
global_State *g;
lua_lock(L);
g = G(L);
switch (what) {
case LUA_GCSTOP: {
g->GCthreshold = MAXLMEM;
return 0;
break;
}
case LUA_GCRESTART: {
g->GCthreshold = g->nblocks;
return 0;
break;
}
case LUA_GCCOLLECT: {
lua_lock(L);
luaC_fullgc(L);
lua_unlock(L);
return 0;
break;
}
case LUA_GCCOUNT: {
/* GC values are expressed in Kbytes: #bytes/2^10 */
return cast(int, g->nblocks >> 10);
res = cast(int, g->nblocks >> 10);
}
case LUA_GCSTEP: {
lu_mem a = (cast(lu_mem, data) << 10);
@ -847,10 +848,12 @@ LUA_API int lua_gc (lua_State *L, int what, int data) {
else
g->GCthreshold = 0;
luaC_step(L);
return 0;
break;
}
default: return -1; /* invalid option */
default: res = -1; /* invalid option */
}
lua_unlock(L);
return res;
}