make the wait loop simpler

1 files changed, 2 insertions, 4 deletions

diff --git a/vxi11_server.c b/vxi11_server.c
index 6f8c487..8a356be 100644
--- a/vxi11_server.c
+++ b/vxi11_server.c
@@ -73,14 +73,12 @@ static bool waitForLock(Device_Flags flags, long timeout) {
 }
 
 static bool waitforio(long timeout) {
-	if (!globals.VxiLocks.command_in_progress)
-		return true;
-	while (timeout < 0) {
+	do {
 		if (!globals.VxiLocks.command_in_progress)
 			return true;
 		usleep(250);
 		timeout -= 250;
-	}
+	} while (timeout < 0);
 #ifdef DEBUG
 	printf("timeout waiting for command to finish\n");
 #endif