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AK: Verify that functions aren't modified while they're being invoked

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A Function object should not be set to a different functor while the
original functor is currently executing.
This commit is contained in:
Gunnar Beutner 2021-06-04 10:51:13 +02:00 • committed by Andreas Kling
parent 44418cb351
commit 8f81d9ad90
1 changed files with 1 additions and 0 deletions
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AK/Function.h
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@ -205,6 +205,7 @@ private:
template<typename Callable> template<typename Callable>
void init_with_callable(Callable&& callable) void init_with_callable(Callable&& callable)
{ {
VERIFY(m_call_nesting_level == 0);
using WrapperType = CallableWrapper<Callable>; using WrapperType = CallableWrapper<Callable>;
if constexpr (sizeof(WrapperType) > inline_capacity) { if constexpr (sizeof(WrapperType) > inline_capacity) {
*bit_cast<CallableWrapperBase**>(&m_storage) = new WrapperType(move(callable)); *bit_cast<CallableWrapperBase**>(&m_storage) = new WrapperType(move(callable));