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[Qemu-devel] [PATCH v3 02/10] iov: handle EOF in iov_send_recv


From: MORITA Kazutaka
Subject: [Qemu-devel] [PATCH v3 02/10] iov: handle EOF in iov_send_recv
Date: Thu, 25 Jul 2013 17:31:57 +0900

Without this patch, iov_send_recv() never returns when do_send_recv()
returns zero.

Reviewed-by: Paolo Bonzini <address@hidden>
Signed-off-by: MORITA Kazutaka <address@hidden>
---
 util/iov.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/util/iov.c b/util/iov.c
index cc6e837..f705586 100644
--- a/util/iov.c
+++ b/util/iov.c
@@ -202,6 +202,12 @@ ssize_t iov_send_recv(int sockfd, struct iovec *iov, 
unsigned iov_cnt,
             return -1;
         }
 
+        if (ret == 0 && !do_send) {
+            /* recv returns 0 when the peer has performed an orderly
+             * shutdown. */
+            break;
+        }
+
         /* Prepare for the next iteration */
         offset += ret;
         total += ret;
-- 
1.8.1.3.566.gaa39828




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