From 871a32fe623fc8842019150254dd0918eea79d4f Mon Sep 17 00:00:00 2001
From: bryan newbold <bnewbold@leaflabs.com>
Date: Thu, 19 Dec 2013 11:52:06 -0500
Subject: synchronous I/O

---
 uioctl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'uioctl.c')

diff --git a/uioctl.c b/uioctl.c
index 6558844..a7e4d84 100644
--- a/uioctl.c
+++ b/uioctl.c
@@ -76,7 +76,7 @@ static void monitor(char *fpath, int forever) {
     char startval[] = {0,0,0,1};
    
     printf("Waiting for interrupts on %s\n", fpath);
-    fd = open(fpath, O_RDWR);
+    fd = open(fpath, O_RDWR|O_SYNC);
     if (fd < 1) {
         perror("uioctl");
         fprintf(stderr, "Couldn't open UIO device file: %s\n", fpath);
-- 
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