userspace/tools: wr_mon fix number of retries in read_ports

read_ports should return -1 when it cannot get consistent data within 100 tries Signed-off-by: Adam Wujek <adam.wujek@cern.ch>

userspace/tools: wr_mon fix number of retries in read_ports
read_ports should return -1 when it cannot get consistent data within 100 tries Signed-off-by: Adam Wujek <adam.wujek@cern.ch>
2d816dc7 · Adam Wujek · 13b086ef · 2d816dc7
Commit 2d816dc7 authored Jan 08, 2015 by Adam Wujek 💬
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wr_mon.c userspace/tools/wr_mon.c +3 -2

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--- a/userspace/tools/wr_mon.c
+++ b/userspace/tools/wr_mon.c
@@ -36,9 +36,10 @@ int read_ports(void){
 		memcpy(hal_ports_local_copy, hal_ports,
 		       hal_nports_local*sizeof(struct hal_port_state));
 		retries++;
+		if (retries > 100)
+			return -1;
+		usleep(1000);
 	} while (wrs_shm_seqretry(hal_head, ii));
-	if (retries > 100)
-		return -1;

 	return 0;
 }