shutdown(3xnet)

1shutdown(3XNET)  X/Open Networking Services Library Functions  shutdown(3XNET)
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NAME

6       shutdown - shut down socket send and receive operations
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SYNOPSIS

9       cc [ flag ... ] file ... -lxnet [ library ... ]
10       #include <sys/socket.h>
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12       int shutdown(int socket, int how);
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DESCRIPTION

16       The shutdown() function disables subsequent send() and receive() opera‐
17       tions on a socket, depending on the value of the how argument.
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PARAMETERS

20       how       Specifies the type of shutdown.  The values are as follows:
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22                 SHUT_RD      Disables further receive operations.
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25                 SHUT_WR      Disables further send operations.
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28                 SHUT_RDWR    Disables further send and receive operations.
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32       socket    Specifies the file descriptor of the socket.
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RETURN VALUES

36       Upon successful completion, shutdown() returns  0.   Otherwise,  −1  is
37       returned and errno is set to indicate the error.
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ERRORS

40       The shutdown() function will fail if:
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42       EBADF       The socket argument is not a valid file descriptor.
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45       EINVAL      The how argument is invalid.
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48       ENOTCONN    The socket is not connected.
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51       ENOTSOCK    The socket argument does not refer to a socket.
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55       The shutdown() function may fail if:
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57       ENOBUFS    Insufficient  resources were available in the system to per‐
58                  form the operation.
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61       ENOSR      There were insufficient STREAMS resources available for  the
62                  operation to complete.
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ATTRIBUTES

66       See attributes(5) for descriptions of the following attributes:
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71       ┌─────────────────────────────┬─────────────────────────────┐
72       │      ATTRIBUTE TYPE         │      ATTRIBUTE VALUE        │
73       ├─────────────────────────────┼─────────────────────────────┤
74       │Interface Stability          │Standard                     │
75       ├─────────────────────────────┼─────────────────────────────┤
76       │MT-Level                     │MT-Safe                      │
77       └─────────────────────────────┴─────────────────────────────┘
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