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Lines Matching full:nil

16 	if err != nil {
19 if err := syscall.SetNonblock(s, true); err != nil {
23 return s, nil
28 if err != nil {
29 return nil, err
33 if err != nil {
35 return nil, os.NewSyscallError("getsockopt", err)
48 return nil, syscall.EPROTONOSUPPORT
51 if err != nil {
53 return nil, err
58 if err := fd.init(); err != nil {
60 return nil, err
63 return fd, nil
68 if err != nil {
69 return nil, err
73 return newTCPConn(fd), nil
75 return newUDPConn(fd), nil
77 return newIPConn(fd), nil
79 return newUnixConn(fd), nil
82 return nil, syscall.EINVAL
87 if err != nil {
88 return nil, err
92 return &TCPListener{fd}, nil
94 return &UnixListener{fd, laddr.Name}, nil
97 return nil, syscall.EINVAL
102 if err != nil {
103 return nil, err
107 return newUDPConn(fd), nil
109 return newIPConn(fd), nil
111 return newUnixConn(fd), nil
114 return nil, syscall.EINVAL