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add: [concur] add push & pop for queue (TBD)

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mutouyun 2023-04-28 13:37:05 +08:00
parent 0b4f69266f
commit 934bb31778
1 changed files with 25 additions and 2 deletions
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27
include/libconcur/queue.h
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@ -38,8 +38,8 @@ private:
: header_(std::forward<U>(model)) {}
/// \brief element<value_type> elements[0];
element<value_type> *elements() noexcept {
return &elements_start_;
::LIBIMP::span<element<value_type>> elements() noexcept {
return {&elements_start_, header_.circ_size};
}
};
@ -74,6 +74,29 @@ public:
MR *memory_resource = ::LIBPMR::new_delete_resource::get()) noexcept
: data_allocator_(memory_resource)
, data_(init(circ_size)) {}
template <typename MR, ::LIBPMR::verify_memory_resource<T> = true>
explicit queue(MR *memory_resource) noexcept
: queue(default_circle_buffer_size, memory_resource) {}
bool valid() const noexcept {
return data_ != nullptr;
}
explicit operator bool() const noexcept {
return valid();
}
template <typename U>
bool push(U &&value) noexcept {
if (!valid()) return false;
return data_->model_.enqueue(data_->elements(), data_->header_, context_, std::forward<U>(value));
}
bool pop(value_type &value) noexcept {
if (!valid()) return false;
return data_->model_.dequeue(data_->elements(), data_->header_, context_, value);
}
};
LIBCONCUR_NAMESPACE_END_