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in lua_gc/step, 'luaC_step' changes GCthreshold, so there was little 

control over the real step size.
This commit is contained in:
Roberto Ierusalimschy 2010-04-19 13:33:19 -03:00
parent 53f9499f7f
commit 1bb407e494
1 changed files with 2 additions and 4 deletions
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6
lapi.c
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@ -1,5 +1,5 @@
/*
** $Id: lapi.c,v 2.121 2010/04/13 20:48:12 roberto Exp roberto $
** $Id: lapi.c,v 2.122 2010/04/18 13:22:48 roberto Exp roberto $
** Lua API
** See Copyright Notice in lua.h
*/
@ -940,9 +940,7 @@ LUA_API int lua_gc (lua_State *L, int what, int data) {
luaC_step(L); /* do a single step */
}
else {
lu_mem a = (cast(lu_mem, data) << 10);
g->GCthreshold = (a <= g->totalbytes) ? g->totalbytes - a : 0;
while (g->GCthreshold <= g->totalbytes) {
while (data-- >= 0) {
luaC_step(L);
if (g->gcstate == GCSpause) { /* end of cycle? */
res = 1; /* signal it */