Function connSocketClose

app/redis-6.2.6/src/connection.c:148–164

Close the connection and free resources. */

/* Close the connection and free resources. */
static void connSocketClose(connection *conn) {
    if (conn->fd != -1) {
        aeDeleteFileEvent(server.el,conn->fd, AE_READABLE | AE_WRITABLE);
        close(conn->fd);
        conn->fd = -1;
    }

    /* If called from within a handler, schedule the close but
     * keep the connection until the handler returns.
     */
    if (connHasRefs(conn)) {
        conn->flags |= CONN_FLAG_CLOSE_SCHEDULED;
        return;
    }

    zfree(conn);
}

static int connSocketWrite(connection *conn, const void *data, size_t data_len) {
    int ret = write(conn->fd, data, data_len);