Name
shutdown - shut down part of a full-duplex connectionLibrary
Standard C library ( libc ", " -lc )Synopsis
#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 to indicate the error.Errors
EBADF sockfd is not a valid file descriptor.
EINVAL An invalid value was specified in how (but see BUGS).
ENOTCONN The specified socket is not connected.
ENOTSOCK The file descriptor sockfd does not refer to a socket.