const golang.org/x/sys/unix.TCP_USER_TIMEOUT

3 uses

	golang.org/x/sys/unix (current package)
		zerrors_linux.go#L3136: 	TCP_USER_TIMEOUT                            = 0x12

	google.golang.org/grpc/internal/syscall
		syscall_linux.go#L82: 		err = syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, unix.TCP_USER_TIMEOUT, int(timeout/time.Millisecond))
		syscall_linux.go#L104: 		opt, err = syscall.GetsockoptInt(int(fd), syscall.IPPROTO_TCP, unix.TCP_USER_TIMEOUT)