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shutdown
Langue: en
Version: 2008-12-03 (debian - 07/07/09)
Section: 2 (Appels système)
NAME
shutdown - shut down part of a full-duplex connectionSYNOPSIS
#include <sys/socket.h>int shutdown(int sockfd, int how);
DESCRIPTION
The shutdown() call causes all or part of a full-duplex connection on the socket associated with sockfd to be shut down. If how is SHUT_RD, further receptions will be disallowed. If how is SHUT_WR, further transmissions will be disallowed. If how is SHUT_RDWR, further receptions and transmissions will be disallowed.RETURN VALUE
On success, zero is returned. On error, -1 is returned, and errno is set appropriately.ERRORS
- EBADF
- sockfd is not a valid descriptor.
- ENOTCONN
- The specified socket is not connected.
- ENOTSOCK
- sockfd is a file, not a socket.
CONFORMING TO
POSIX.1-2001, 4.4BSD (the shutdown() function call first appeared in 4.2BSD).NOTES
The constants SHUT_RD, SHUT_WR, SHUT_RDWR have the value 0, 1, 2, respectively, and are defined in <sys/socket.h> since glibc-2.1.91.SEE ALSO
connect(2), socket(2), socket(7)COLOPHON
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