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-rw-r--r--lgc.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/lgc.c b/lgc.c
index 9831dce9..8883bb2a 100644
--- a/lgc.c
+++ b/lgc.c
@@ -1,5 +1,5 @@
1/* 1/*
2** $Id: lgc.c,v 2.124 2012/05/21 13:18:10 roberto Exp roberto $ 2** $Id: lgc.c,v 2.125 2012/05/22 17:32:25 roberto Exp roberto $
3** Garbage Collector 3** Garbage Collector
4** See Copyright Notice in lua.h 4** See Copyright Notice in lua.h
5*/ 5*/
@@ -917,7 +917,7 @@ void luaC_changemode (lua_State *L, int mode) {
917 if (mode == KGC_GEN) { /* change to generational mode */ 917 if (mode == KGC_GEN) { /* change to generational mode */
918 /* make sure gray lists are consistent */ 918 /* make sure gray lists are consistent */
919 luaC_runtilstate(L, bitmask(GCSpropagate)); 919 luaC_runtilstate(L, bitmask(GCSpropagate));
920 g->lastmajormem = gettotalbytes(g); 920 g->GCestimate = gettotalbytes(g);
921 g->gckind = KGC_GEN; 921 g->gckind = KGC_GEN;
922 } 922 }
923 else { /* change to incremental mode */ 923 else { /* change to incremental mode */
@@ -1014,7 +1014,7 @@ static lu_mem singlestep (lua_State *L) {
1014 } 1014 }
1015 else { /* no more `gray' objects */ 1015 else { /* no more `gray' objects */
1016 g->gcstate = GCSatomic; /* finish mark phase */ 1016 g->gcstate = GCSatomic; /* finish mark phase */
1017 g->estimate = g->GCmemtrav; /* save what was counted */ 1017 g->GCestimate = g->GCmemtrav; /* save what was counted */
1018 atomic(L); 1018 atomic(L);
1019 return GCATOMICCOST; 1019 return GCATOMICCOST;
1020 } 1020 }
@@ -1070,15 +1070,16 @@ void luaC_runtilstate (lua_State *L, int statesmask) {
1070 1070
1071static void generationalcollection (lua_State *L) { 1071static void generationalcollection (lua_State *L) {
1072 global_State *g = G(L); 1072 global_State *g = G(L);
1073 if (g->lastmajormem == 0) { /* signal for another major collection? */ 1073 if (g->GCestimate == 0) { /* signal for another major collection? */
1074 luaC_fullgc(L, 0); /* perform a full regular collection */ 1074 luaC_fullgc(L, 0); /* perform a full regular collection */
1075 g->lastmajormem = gettotalbytes(g); /* update control */ 1075 g->GCestimate = gettotalbytes(g); /* update control */
1076 } 1076 }
1077 else { 1077 else {
1078 lu_mem estimate = g->GCestimate;
1078 luaC_runtilstate(L, ~bitmask(GCSpause)); /* run complete cycle */ 1079 luaC_runtilstate(L, ~bitmask(GCSpause)); /* run complete cycle */
1079 luaC_runtilstate(L, bitmask(GCSpause)); 1080 luaC_runtilstate(L, bitmask(GCSpause));
1080 if (gettotalbytes(g) > g->lastmajormem/100 * g->gcmajorinc) 1081 if (gettotalbytes(g) > (estimate / 100) * g->gcmajorinc)
1081 g->lastmajormem = 0; /* signal for a major collection */ 1082 g->GCestimate = 0; /* signal for a major collection */
1082 } 1083 }
1083 luaE_setdebt(g, stddebt(g)); 1084 luaE_setdebt(g, stddebt(g));
1084} 1085}
@@ -1095,7 +1096,7 @@ static void step (lua_State *L) {
1095 debt -= work; 1096 debt -= work;
1096 } while (debt > -GCSTEPSIZE && g->gcstate != GCSpause); 1097 } while (debt > -GCSTEPSIZE && g->gcstate != GCSpause);
1097 if (g->gcstate == GCSpause) 1098 if (g->gcstate == GCSpause)
1098 debt = stddebtest(g, g->estimate); /* pause until next cycle */ 1099 debt = stddebtest(g, g->GCestimate); /* pause until next cycle */
1099 luaE_setdebt(g, debt); 1100 luaE_setdebt(g, debt);
1100} 1101}
1101 1102