выключить операции отправки и получения сокета (shut down socket send and receive operations)
Пролог (Prolog)
This manual page is part of the POSIX Programmer's Manual. The
Linux implementation of this interface may differ (consult the
corresponding Linux manual page for details of Linux behavior),
or the interface may not be implemented on Linux.
Имя (Name)
shutdown — shut down socket send and receive operations
Синопсис (Synopsis)
#include <sys/socket.h>
int shutdown(int socket, int how);
Описание (Description)
The shutdown() function shall cause all or part of a full-duplex
connection on the socket associated with the file descriptor
socket to be shut down.
The shutdown() function takes the following arguments:
socket Specifies the file descriptor of the socket.
how Specifies the type of shutdown. The values are as
follows:
SHUT_RD Disables further receive operations.
SHUT_WR Disables further send operations.
SHUT_RDWR Disables further send and receive
operations.
The shutdown() function disables subsequent send and/or receive
operations on a socket, depending on the value of the how
argument.
Возвращаемое значение (Return value)
Upon successful completion, shutdown() shall return 0; otherwise,
-1 shall be returned and errno set to indicate the error.
Ошибки (Error)
The shutdown() function shall fail if:
EBADF The socket argument is not a valid file descriptor.
EINVAL The how argument is invalid.
ENOTCONN
The socket is not connected.
ENOTSOCK
The socket argument does not refer to a socket.
The shutdown() function may fail if:
ENOBUFS
Insufficient resources were available in the system to
perform the operation.
The following sections are informative.
Примеры (Examples)
None.
Использование в приложениях (Application usage)
None.
Обоснование (Rationale)
None.
Будущие направления (Future directions)
None.
Смотри также (See also)
getsockopt(3p), pselect(3p), read(3p), recv(3p), recvfrom(3p),
recvmsg(3p), send(3p), sendto(3p), setsockopt(3p), socket(3p),
write(3p)
The Base Definitions volume of POSIX.1‐2017, sys_socket.h(0p)
