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#include "unique_pipe.hh"

#include <unistd.h>
#include <utility>

unique_pipe::unique_pipe() {
  int fd[2];
  if (pipe(fd))
    return;
  fd_[0] = unique_fd(fd[0]);
  fd_[1] = unique_fd(fd[1]);
}

unique_pipe::unique_pipe(unique_pipe&& fd) {
  fd_[0] = unique_fd(fd.fd_[0].release());
  fd_[1] = unique_fd(fd.fd_[1].release());
}

unique_pipe& unique_pipe::operator=(unique_pipe&& fd) {
  fd_[0].reset(fd.fd_[0].release());
  fd_[1].reset(fd.fd_[1].release());
  return *this;
}

void unique_pipe::reset() {
  fd_[0].reset();
  fd_[1].reset();
}

unique_fd unique_pipe::release_reader() { return std::move(fd_[0]); }

unique_fd unique_pipe::release_writer() { return std::move(fd_[1]); }