trx-bridge: set high process priority

trx-bridge/bridge.c

@@ -190,6 +190,13 @@ int main(int argc, char *argv[]) {
 		return -1;
 	}
 
+	// Before starting anything, the process should be made as high
+	// priority as possible
+	if(nice(-20) != -20) {
+		fprintf(stderr, "Setting priority failed, run this program as root\n");
+		return -1;
+	}
+
 	printf("trx-bridge: reading configuration file %s\n", bridge_config_path);
 
 	common_hashtable_initialize(&config, 255);