MCPcopy Create free account
hub / github.com/Snapchat/KeyDB / luaC_separateudata

Function luaC_separateudata

deps/lua/src/lgc.c:128–155  ·  view source on GitHub ↗

move `dead' udata that need finalization to list `tmudata' */

Source from the content-addressed store, hash-verified

126
127/* move `dead' udata that need finalization to list `tmudata' */
128size_t luaC_separateudata (lua_State *L, int all) {
129 global_State *g = G(L);
130 size_t deadmem = 0;
131 GCObject **p = &g->mainthread->next;
132 GCObject *curr;
133 while ((curr = *p) != NULL) {
134 if (!(iswhite(curr) || all) || isfinalized(gco2u(curr)))
135 p = &curr->gch.next; /* don't bother with them */
136 else if (fasttm(L, gco2u(curr)->metatable, TM_GC) == NULL) {
137 markfinalized(gco2u(curr)); /* don't need finalization */
138 p = &curr->gch.next;
139 }
140 else { /* must call its gc method */
141 deadmem += sizeudata(gco2u(curr));
142 markfinalized(gco2u(curr));
143 *p = curr->gch.next;
144 /* link `curr' at the end of `tmudata' list */
145 if (g->tmudata == NULL) /* list is empty? */
146 g->tmudata = curr->gch.next = curr; /* creates a circular list */
147 else {
148 curr->gch.next = g->tmudata->gch.next;
149 g->tmudata->gch.next = curr;
150 g->tmudata = curr;
151 }
152 }
153 }
154 return deadmem;
155}
156
157
158static int traversetable (global_State *g, Table *h) {

Callers 2

lua_closeFunction · 0.85
atomicFunction · 0.85

Calls

no outgoing calls

Tested by

no test coverage detected