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GC step does not unblock collector (when it is blocked by "stop")

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This commit is contained in:
Roberto Ierusalimschy 2008-08-01 14:01:16 -03:00
parent 4db2cddeee
commit e23da9edee
1 changed files with 4 additions and 1 deletions
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5
lapi.c
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@ -1,5 +1,5 @@
/* /*
** $Id: lapi.c,v 2.66 2008/02/19 18:55:09 roberto Exp roberto $ ** $Id: lapi.c,v 2.67 2008/07/04 18:27:11 roberto Exp roberto $
** Lua API ** Lua API
** See Copyright Notice in lua.h ** See Copyright Notice in lua.h
*/ */
@ -906,6 +906,7 @@ LUA_API int lua_gc (lua_State *L, int what, int data) {
break; break;
} }
case LUA_GCSTEP: { case LUA_GCSTEP: {
lu_mem oldts = g->GCthreshold;
lu_mem a = (cast(lu_mem, data) << 10); lu_mem a = (cast(lu_mem, data) << 10);
g->GCthreshold = (a <= g->totalbytes) ? g->totalbytes - a : 0; g->GCthreshold = (a <= g->totalbytes) ? g->totalbytes - a : 0;
while (g->GCthreshold <= g->totalbytes) { while (g->GCthreshold <= g->totalbytes) {
@ -915,6 +916,8 @@ LUA_API int lua_gc (lua_State *L, int what, int data) {
break; break;
} }
} }
if (oldts == MAX_LUMEM) /* collector was stopped? */
g->GCthreshold = oldts; /* keep it that way */
break; break;
} }
case LUA_GCSETPAUSE: { case LUA_GCSETPAUSE: {