Microchip® Advanced Software Framework

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Synchronous close function, releases all the socket assigned resources.

Functions

NMI_API sint8 close (SOCKET sock)
 

NMI_API sint8 close ( SOCKET  sock)
Parameters
[in]sockSocket ID, must hold a non negative value. A negative value will return a socket error SOCK_ERR_INVALID_ARG. Indicating that an invalid argument is passed in.
Precondition
Sockets must be initialized through the call of the socketInit function. close is called only for valid socket identifiers created through the socket function.
Warning
If close is called while there are still pending messages (sent or received ) they will be discarded.
See Also
socketInit socket
Returns
The function returned SOCK_ERR_NO_ERROR for successful operation and a negative value (indicating the error) otherwise.

References M2M_INFO, m2m_memset(), MAX_SOCKET, NULL, tstrCloseCmd::sock, SOCK_ERR_INVALID, SOCK_ERR_INVALID_ARG, SOCK_ERR_NO_ERROR, SOCKET_CMD_CLOSE, SOCKET_CMD_SSL_CLOSE, SOCKET_REQUEST, SSL_FLAGS_ACTIVE, tstrCloseCmd::u16SessionID, and tstrSocket::u16SessionID.

Referenced by handle_tcpip_connect(), handle_tcpip_recv(), and main().