avoid sleeping in ecrt_master_send_ext()
mini.c example now plays well with EoE.
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@ -2533,7 +2533,9 @@ int ecrt_master_send_ext(ec_master_t *master)
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{
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{
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ec_datagram_t *datagram, *next;
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ec_datagram_t *datagram, *next;
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down(&master->ext_queue_sem);
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if (down_trylock(&master->ext_queue_sem))
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return;
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list_for_each_entry_safe(datagram, next, &master->ext_datagram_queue,
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list_for_each_entry_safe(datagram, next, &master->ext_datagram_queue,
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ext_queue) {
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ext_queue) {
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list_del_init(&datagram->ext_queue);
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list_del_init(&datagram->ext_queue);
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