xs_close3
Close crossroads socket
Usage
int xs_close (void *socket);
Overview
The xs_close() function shall destroy the socket referenced by the socket argument. Any outstanding messages physically received from the network but not yet received by the application with xs_recv() shall be discarded. The behaviour for discarding messages sent by the application with xs_send() but not yet physically transferred to the network depends on the value of the XS_LINGER socket option for the specified socket.
Note
The default setting of XS_LINGER does not discard unsent messages; this behaviour may cause the application to block when calling xs_term(). For details refer to xs_setsockopt(3) and xs_term(3).
Return value
The xs_close() function shall return zero if successful. Otherwise it shall return -1 and set errno to one of the values defined below.
Errors
ENOTSOCK
The provided socket was invalid.
Notes
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- 2.
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Releases
Unchanged in 3 releases since Debian 8 (Jessie).