From 98cf375d694e7ae4b28f3b8aebfdef432dedab8d Mon Sep 17 00:00:00 2001
From: hartkopp <hartkopp@030b6a49-0b11-0410-94ab-b0dab22257f2>
Date: Fri, 26 Feb 2010 08:38:47 +0000
Subject: [PATCH] When sending a sequence, we need to resend the same frame
 when poll() returns. Fixed that to be a valid data source e.g. for ptx
 cansequence.

git-svn-id: svn://svn.berlios.de//socketcan/trunk@1148 030b6a49-0b11-0410-94ab-b0dab22257f2
---
 can-utils/cangen.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/can-utils/cangen.c b/can-utils/cangen.c
index df6b77f..898068b 100644
--- a/can-utils/cangen.c
+++ b/can-utils/cangen.c
@@ -341,6 +341,7 @@ int main(int argc, char **argv)
 				fprint_canframe(stdout, &frame, "\n", 1);
 		}
 
+resend:
 		nbytes = write(s, &frame, sizeof(struct can_frame));
 		if (nbytes < 0) {
 			if (errno != ENOBUFS) {
@@ -356,7 +357,8 @@ int main(int argc, char **argv)
 				if (poll(&fds, 1, polltimeout) < 0) {
 					perror("poll");
 					return 1;
-				}
+				} else
+					goto resend;
 			} else
 				enobufs_count++;
 
-- 
2.39.2