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Code Issues Releases Wiki Activity

ircd::buffer: Add copy-from-buffer ctor to unique_buffer.

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This commit is contained in:
Jason Volk 2018-08-18 17:41:19 -07:00
parent 141f4e1c0a
commit 6f75a1c8f8
1 changed files with 31 additions and 9 deletions
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40
include/ircd/buffer/unique_buffer.h
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@ -18,8 +18,9 @@ template<class buffer,
struct ircd::buffer::unique_buffer
:buffer
{
unique_buffer(std::unique_ptr<uint8_t[]> &&, const size_t &size);
unique_buffer(const size_t &size);
unique_buffer(std::unique_ptr<char[]> &&, const size_t &size);
explicit unique_buffer(const buffer &);
unique_buffer();
unique_buffer(unique_buffer &&) noexcept;
unique_buffer(const unique_buffer &) = delete;
@ -39,26 +40,37 @@ ircd::buffer::unique_buffer<buffer, alignment>::unique_buffer()
template<class buffer,
uint alignment>
ircd::buffer::unique_buffer<buffer, alignment>::unique_buffer(std::unique_ptr<uint8_t[]> &&b,
const size_t &size)
:buffer
ircd::buffer::unique_buffer<buffer, alignment>::unique_buffer(const buffer &src)
:buffer{[&src]() -> buffer
{
std::unique_ptr<char[]> ret
{
new __attribute__((aligned(16))) char[size(src)]
};
const mutable_buffer dst
{
ret.get(), size(src)
};
copy(dst, src);
return dst;
}()}
{
typename buffer::iterator(b.release()), size
}
{}
template<class buffer,
uint alignment>
ircd::buffer::unique_buffer<buffer, alignment>::unique_buffer(const size_t &size)
:unique_buffer<buffer, alignment>
{
std::unique_ptr<uint8_t[]>
std::unique_ptr<char[]>
{
//TODO: Can't use a template parameter to the attribute even though
// it's known at compile time. Hardcoding this until fixed with better
// aligned dynamic memory.
//new __attribute__((aligned(alignment))) uint8_t[size]
new __attribute__((aligned(16))) uint8_t[size]
//new __attribute__((aligned(alignment))) char[size]
new __attribute__((aligned(16))) char[size]
},
size
}
@ -67,6 +79,16 @@ ircd::buffer::unique_buffer<buffer, alignment>::unique_buffer(const size_t &size
assert(alignment == 16);
}
template<class buffer,
uint alignment>
ircd::buffer::unique_buffer<buffer, alignment>::unique_buffer(std::unique_ptr<char[]> &&b,
const size_t &size)
:buffer
{
typename buffer::iterator(b.release()), size
}
{}
template<class buffer,
uint alignment>
ircd::buffer::unique_buffer<buffer, alignment>::unique_buffer(unique_buffer &&other)