yaz_log(man->log_level, "iochan_add : chan=%p channel list=%p", chan,
man->channel_list);
yaz_mutex_enter(man->iochan_mutex);
for (p = man->channel_list; p; p = p->next)
yaz_log(man->log_level, "iochan_add : chan=%p channel list=%p", chan,
man->channel_list);
yaz_mutex_enter(man->iochan_mutex);
for (p = man->channel_list; p; p = p->next)