27   UniqueFd(int fd) : fd_(fd) {  in UniqueFd()
30     fd_ = rhs.fd_;  in UniqueFd()
31     rhs.fd_ = -1;  in UniqueFd()
40     if (fd_ >= 0)  in ~UniqueFd()
41       close(fd_);  in ~UniqueFd()
45     int old_fd = fd_;  in Release()
46     fd_ = -1;  in Release()
51     if (fd_ >= 0)  in Set()
52       close(fd_);  in Set()
53     fd_ = fd;  in Set()
54     return fd_;  in Set()
58     if (fd_ >= 0)  in Close()
59       close(fd_);  in Close()
60     fd_ = -1;  in Close()
64     return fd_;  in get()
68   int fd_ = -1;
73   OutputFd(int *fd) : fd_(fd) {  in OutputFd()
76     fd_ = rhs.fd_;  in OutputFd()
77     rhs.fd_ = NULL;  in OutputFd()
81     fd_ = rhs.fd_;
82     rhs.fd_ = NULL;
87     if (*fd_ >= 0)  in Set()
88       close(*fd_);  in Set()
89     *fd_ = fd;  in Set()
94     return *fd_;  in get()
98     return fd_ != NULL;
102   int *fd_ = NULL;