Function SetCancelConn

src/fe_utils/cancel.c:76–99

* SetCancelConn * * Set cancelConn to point to the current database connection. */

 * Set cancelConn to point to the current database connection.
 */
void
SetCancelConn(PGconn *conn)
{
	PGcancel   *oldCancelConn;

#ifdef WIN32
	EnterCriticalSection(&cancelConnLock);
#endif

	/* Free the old one if we have one */
	oldCancelConn = cancelConn;

	/* be sure handle_sigint doesn't use pointer while freeing */
	cancelConn = NULL;

	if (oldCancelConn != NULL)
		PQfreeCancel(oldCancelConn);

	cancelConn = PQgetCancel(conn);

#ifdef WIN32
	LeaveCriticalSection(&cancelConnLock);
#endif
}

/*
 * ResetCancelConn