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Add gc callback

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LoganDark 2021-11-08 11:58:02 -08:00
parent f1649a43cd
commit 7aedc43cc9
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2 changed files with 4 additions and 0 deletions
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2
VM/include/lua.h
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@ -358,6 +358,8 @@ struct lua_Callbacks
void (*debugstep)(lua_State* L, lua_Debug* ar); /* gets called after each instruction in single step mode */ void (*debugstep)(lua_State* L, lua_Debug* ar); /* gets called after each instruction in single step mode */
void (*debuginterrupt)(lua_State* L, lua_Debug* ar); /* gets called when thread execution is interrupted by break in another thread */ void (*debuginterrupt)(lua_State* L, lua_Debug* ar); /* gets called when thread execution is interrupted by break in another thread */
void (*debugprotectederror)(lua_State* L); /* gets called when protected call results in an error */ void (*debugprotectederror)(lua_State* L); /* gets called when protected call results in an error */
void (*gc)(lua_State* L); /* gets called when a garbage collection cycle starts */
}; };
LUA_API lua_Callbacks* lua_callbacks(lua_State* L); LUA_API lua_Callbacks* lua_callbacks(lua_State* L);

2
VM/src/lgc.cpp
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@ -617,6 +617,8 @@ static void markroot(lua_State* L)
markvalue(g, registry(L)); markvalue(g, registry(L));
markmt(g); markmt(g);
g->gcstate = GCSpropagate; g->gcstate = GCSpropagate;
if (g->cb.gc)
g->cb.gc(L);
} }
static size_t remarkupvals(global_State* g) static size_t remarkupvals(global_State* g)