lib, pimd: Modify writen to retry on certain failures

When writen fails, allow itto retry on certain failures
until it succeeds.

Ticket: CM-12986
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>

1 files changed, 7 insertions, 2 deletions

diff --git a/lib/network.c b/lib/network.c
index 506e019136..2b6f2fbab5 100644
--- a/lib/network.c
+++ b/lib/network.c
@@ -62,8 +62,13 @@ writen(int fd, const u_char *ptr, int nbytes)
   while (nleft > 0) 
     {
       nwritten = write(fd, ptr, nleft);
-      
-      if (nwritten <= 0) 
+
+      if (nwritten < 0)
+	{
+	  if (!ERRNO_IO_RETRY(errno))
+	    return nwritten;
+	}
+      if (nwritten == 0) 
 	return (nwritten);
 
       nleft -= nwritten;