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Added gaurd, to abort dispatch if the HECI object was GC'ed.

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This commit is contained in:
Bryan Roe
2019-10-28 11:31:16 -07:00
parent 5476ad8b5f
commit 823b688537
1 changed files with 3 additions and 1 deletions
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4
microscript/ILibDuktape_HECI.c
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@@ -768,6 +768,8 @@ void ILibDuktape_HECI_IoctlHandler_Dispatch(void *chain, void *user)
int i; int i;
duk_context *ctx = data->ctx; duk_context *ctx = data->ctx;
if (!ILibMemory_CanaryOK(data)) { return; } // Abort Dispatch, becuase the HECI object was GC'ed.
duk_push_heapptr(data->ctx, data->data); // [array] duk_push_heapptr(data->ctx, data->data); // [array]
duk_push_heapptr(data->ctx, data->heciObject); // [array][heci] duk_push_heapptr(data->ctx, data->heciObject); // [array][heci]
duk_get_prop_index(data->ctx, -2, 2); // [array][heci][callback] duk_get_prop_index(data->ctx, -2, 2); // [array][heci][callback]
@@ -940,7 +942,7 @@ duk_ret_t ILibDuktape_HECI_doIoctl(duk_context *ctx)
{ {
duk_dup(ctx, i); // [heci][stash][array][object] duk_dup(ctx, i); // [heci][stash][array][object]
duk_put_prop_index(ctx, -2, i-1); // [heci][stash][array] duk_put_prop_index(ctx, -2, i-1); // [heci][stash][array]
} }
duk_put_prop_string(ctx, -2, Duktape_GetStashKey(duk_get_heapptr(ctx, -1))); // [heci][stash] duk_put_prop_string(ctx, -2, Duktape_GetStashKey(duk_get_heapptr(ctx, -1))); // [heci][stash]