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collector in generational mode should never be in 'pause' state

This commit is contained in:
Roberto Ierusalimschy 2012-07-02 12:38:36 -03:00
parent 4fc15bbfb7
commit 5ac56a94dd
1 changed files with 9 additions and 1 deletions
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10
ltests.c
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@ -1,5 +1,5 @@
/*
** $Id: ltests.c,v 2.129 2012/05/31 20:25:42 roberto Exp $
** $Id: ltests.c,v 2.130 2012/06/07 18:52:47 roberto Exp roberto $
** Internal Module for Debugging of the Lua Implementation
** See Copyright Notice in lua.h
*/
@ -663,7 +663,15 @@ static int gc_state (lua_State *L) {
return 1;
}
else {
global_State *g = G(L);
if (g->gckind == KGC_GEN && option == GCSpause)
luaL_error(L, "cannot go to 'pause' state in generational mode");
lua_lock(L);
if (option < g->gcstate) { /* must cross 'pause'? */
luaC_runtilstate(L, bitmask(GCSpause)); /* run until pause */
if (g->gckind == KGC_GEN)
g->gcstate = GCSpropagate; /* skip pause in gen. mode */
}
luaC_runtilstate(L, bitmask(option));
lua_assert(G(L)->gcstate == option);
lua_unlock(L);