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Code Issues Releases Wiki Activity

ircd::buffer: Tweak unique_buffer semantics.

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This commit is contained in:
Jason Volk 2019-04-18 00:17:58 -07:00
parent 128b770429
commit afdf0efbd1
1 changed files with 10 additions and 7 deletions
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17
include/ircd/buffer/unique_buffer.h
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@ -28,8 +28,8 @@ struct ircd::buffer::unique_buffer
unique_buffer() = default; unique_buffer() = default;
unique_buffer(const size_t &size, const size_t &align = 0); unique_buffer(const size_t &size, const size_t &align = 0);
explicit unique_buffer(const buffer &); explicit unique_buffer(const const_buffer &);
explicit unique_buffer(unique_buffer &&) noexcept; unique_buffer(unique_buffer &&) noexcept;
unique_buffer(const unique_buffer &) = delete; unique_buffer(const unique_buffer &) = delete;
unique_buffer &operator=(unique_buffer &&) & noexcept; unique_buffer &operator=(unique_buffer &&) & noexcept;
unique_buffer &operator=(const unique_buffer &) = delete; unique_buffer &operator=(const unique_buffer &) = delete;
@ -37,12 +37,14 @@ struct ircd::buffer::unique_buffer
}; };
template<class buffer> template<class buffer>
ircd::buffer::unique_buffer<buffer>::unique_buffer(const buffer &src) ircd::buffer::unique_buffer<buffer>::unique_buffer(const const_buffer &src)
:unique_buffer :buffer
{ {
size(src) allocator::aligned_alloc(0, ircd::buffer::size(src)).release(), ircd::buffer::size(src)
} }
{ {
using ircd::buffer::size;
assert(this->begin() != nullptr); assert(this->begin() != nullptr);
assert(size(src) == size(*this)); assert(size(src) == size(*this));
const mutable_buffer dst const mutable_buffer dst
@ -58,7 +60,7 @@ ircd::buffer::unique_buffer<buffer>::unique_buffer(const size_t &size,
const size_t &align) const size_t &align)
:buffer :buffer
{ {
aligned_alloc(align, size).release(), size allocator::aligned_alloc(align, size).release(), size
} }
{} {}
@ -98,6 +100,7 @@ buffer
ircd::buffer::unique_buffer<buffer>::release() ircd::buffer::unique_buffer<buffer>::release()
{ {
const buffer ret{*this}; const buffer ret{*this};
this->begin() = nullptr; std::get<0>(*this) = nullptr;
std::get<1>(*this) = nullptr;
return ret; return ret;
} }