No segfault when doing nothing

trx_ecpri.c

@@ -34,7 +34,7 @@
 
 #define DEBUG
 //#define DISABLE_SEND
-#define DISABLE_RECV
+//#define DISABLE_RECV
 
 #include "utils.c"
 #include "ring_buffer.c"
@@ -424,6 +424,7 @@ static void *encode_thread(void *p) {
     // And if there are frames from trx_write callback to encode
     to_write = rbuf_write_amount(&tx_rbuf);
     to_read = rbuf_read_amount(&trxw_rbuf[0]);
+    usleep(1);
     if(!to_write || !to_read)
       continue;
 
@@ -724,6 +725,7 @@ int start(TRXEcpriState * s) {
 
   init_rbuf(&rx_rbuf, "RX ring buffer", s->txrx_buf_size, PACKET_SIZE);
   init_rbuf(&tx_rbuf, "TX ring buffer", s->txrx_buf_size, PACKET_SIZE);
+  log_debug("DEBUG", "rbuf_read_amount(tx_rbuf) = %d", rbuf_read_amount(&tx_rbuf));
 
   for(int i = 0; i < s->tx_n_channel; i++) {
     char name[256];