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new option 'isrunning' for 'lua_gc' (and 'collectgarbage')

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Roberto Ierusalimschy
2009-11-09 16:55:17 -02:00
parent 88eb901f81
commit 1ce819333d
3 changed files with 15 additions and 9 deletions
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15
lbaselib.c
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@@ -1,5 +1,5 @@
/*
** $Id: lbaselib.c,v 1.220 2009/10/23 12:50:25 roberto Exp roberto $
** $Id: lbaselib.c,v 1.221 2009/10/23 19:12:19 roberto Exp roberto $
** Basic library
** See Copyright Notice in lua.h
*/
@@ -177,20 +177,21 @@ static int luaB_gcinfo (lua_State *L) {
static int luaB_collectgarbage (lua_State *L) {
static const char *const opts[] = {"stop", "restart", "collect",
"count", "step", "setpause", "setstepmul", NULL};
"count", "step", "setpause", "setstepmul", "isrunning", NULL};
static const int optsnum[] = {LUA_GCSTOP, LUA_GCRESTART, LUA_GCCOLLECT,
LUA_GCCOUNT, LUA_GCSTEP, LUA_GCSETPAUSE, LUA_GCSETSTEPMUL};
int o = luaL_checkoption(L, 1, "collect", opts);
LUA_GCCOUNT, LUA_GCSTEP, LUA_GCSETPAUSE, LUA_GCSETSTEPMUL,
LUA_GCISRUNNING};
int o = optsnum[luaL_checkoption(L, 1, "collect", opts)];
int ex = luaL_optint(L, 2, 0);
int res = lua_gc(L, optsnum[o], ex);
switch (optsnum[o]) {
int res = lua_gc(L, o, ex);
switch (o) {
case LUA_GCCOUNT: {
int b = lua_gc(L, LUA_GCCOUNTB, 0);
lua_pushnumber(L, res + ((lua_Number)b/1024));
lua_pushinteger(L, b);
return 2;
}
case LUA_GCSTEP: {
case LUA_GCSTEP: case LUA_GCISRUNNING: {
lua_pushboolean(L, res);
return 1;
}