Fixed EAGAIN handling in blktrace.c

EAGAIN was causing header failures in network mode. Added in a usleep
and retried the recv().

Signed-off-by: Alan D. Brunelle <alan.brunelle@hp.com>

diff --git a/blktrace.c b/blktrace.c
index 6469586a46e1f91495c06bfc71d47ea38d7e4aed..26b3afdd671c5ca02697a36a36ae3bf167e675b7 100644 (file)
--- a/blktrace.c
+++ b/blktrace.c
@@ -799,8 +799,11 @@ static int __net_recv_data(int fd, void *buf, unsigned int len)
                if (ret == 0)
                        break;
                else if (ret < 0) {
-                       if (errno != EAGAIN)
-                               perror("server: net_recv_data: recv failed");
+                       if (errno == EAGAIN) {
+                               usleep(50);
+                               continue;
+                       }
+                       perror("server: net_recv_data: recv failed");
                        break;
                } else {
                        buf += ret;