helpers.hpp

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#pragma once
 
#include "condy/concepts.hpp"
#include "condy/condy_uring.hpp"
#include "condy/detail/helpers.hpp"
 
#if CONDY_URING_VERSION_GE(2, 4) // >= 2.4
#define CONDY_FILE_INDEX_ALLOC IORING_FILE_INDEX_ALLOC
#else
#define CONDY_FILE_INDEX_ALLOC (IORING_FILE_INDEX_ALLOC - 1)
#endif
 
namespace condy {

inline constexpr unsigned file_index_alloc = CONDY_FILE_INDEX_ALLOC;

template <typename CoroFunc> auto will_spawn(CoroFunc &&coro) {
    return detail::SpawnHelper<std::decay_t<CoroFunc>>{
        std::forward<CoroFunc>(coro)};
}

template <typename Channel> auto will_push(Channel &channel) {
    return detail::PushHelper<Channel>{channel};
}

inline auto fixed(int fd) { return detail::FixedFd{fd}; }

template <BufferLike Buffer> auto fixed(int buf_index, Buffer &&buf) {
    return detail::FixedBuffer<Buffer>{std::forward<Buffer>(buf), buf_index};
}

inline auto fixed(int buf_index, const struct iovec *iov) {
    return detail::FixedBuffer<const iovec *>{iov, buf_index};
}

inline auto fixed(int buf_index, const struct msghdr *msg) {
    return detail::FixedBuffer<const msghdr *>{msg, buf_index};
}
 
} // namespace condy