SHUTDOWN
Section: Linux Programmer's Manual (2)Updated: 1993-07-24
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NAME
shutdown - shut down part of a full-duplex connectionSYNOPSIS
#include <sys/socket.h>DESCRIPTION
The shutdown() call causes all or part of a full-duplex connection on the socket associated with s 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
- s is not a valid descriptor.
- ENOTCONN
- The specified socket is not connected.
- ENOTSOCK
- s 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)
