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bug: collector did not compensate enough for userdata with finalizers

This commit is contained in:
Roberto Ierusalimschy 2006-05-24 11:34:06 -03:00
parent ad0765b4f0
commit 0079efc479
1 changed files with 8 additions and 4 deletions
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12
lgc.c
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@ -1,5 +1,5 @@
/*
** $Id: lgc.c,v 2.36 2005/08/24 17:06:36 roberto Exp roberto $
** $Id: lgc.c,v 2.37 2005/12/22 16:19:56 roberto Exp roberto $
** Garbage Collector
** See Copyright Notice in lua.h
*/
@ -320,8 +320,10 @@ static l_mem propagatemark (global_State *g) {
}
static void propagateall (global_State *g) {
while (g->gray) propagatemark(g);
static size_t propagateall (global_State *g) {
size_t m = 0;
while (g->gray) m += propagatemark(g);
return m;
}
@ -540,7 +542,7 @@ static void atomic (lua_State *L) {
propagateall(g);
udsize = luaC_separateudata(L, 0); /* separate userdata to be finalized */
marktmu(g); /* mark `preserved' userdata */
propagateall(g); /* remark, to propagate `preserveness' */
udsize += propagateall(g); /* remark, to propagate `preserveness' */
cleartable(g->weak); /* remove collected objects from weak tables */
/* flip current white */
g->currentwhite = cast_byte(otherwhite(g));
@ -590,6 +592,8 @@ static l_mem singlestep (lua_State *L) {
case GCSfinalize: {
if (g->tmudata) {
GCTM(L);
if (g->estimate > GCFINALIZECOST)
g->estimate -= GCFINALIZECOST;
return GCFINALIZECOST;
}
else {