From: Paolo Bonzini <[email protected]>
Signed-off-by: Paolo Bonzini <[email protected]>
Signed-off-by: Stefan Hajnoczi <[email protected]>
---
nbd.c | 2 +-
qemu-coroutine-io.c | 4 +++-
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/nbd.c b/nbd.c
index e7d1cee..5c28f71 100644
--- a/nbd.c
+++ b/nbd.c
@@ -156,7 +156,7 @@ ssize_t nbd_wr_sync(int fd, void *buffer, size_t size, bool
do_read)
err = socket_error();
/* recoverable error */
- if (err == EINTR || (offset > 0 && err == EAGAIN)) {
+ if (err == EINTR || (offset > 0 && (err == EAGAIN || err ==
EWOULDBLOCK))) {
continue;
}
diff --git a/qemu-coroutine-io.c b/qemu-coroutine-io.c
index 054ca70..d404926 100644
--- a/qemu-coroutine-io.c
+++ b/qemu-coroutine-io.c
@@ -34,13 +34,15 @@ qemu_co_sendv_recvv(int sockfd, struct iovec *iov, unsigned
iov_cnt,
{
size_t done = 0;
ssize_t ret;
+ int err;
while (done < bytes) {
ret = iov_send_recv(sockfd, iov, iov_cnt,
offset + done, bytes - done, do_send);
if (ret > 0) {
done += ret;
} else if (ret < 0) {
- if (errno == EAGAIN) {
+ err = socket_error();
+ if (err == EAGAIN || err == EWOULDBLOCK) {
qemu_coroutine_yield();
} else if (done == 0) {
return -1;
--
1.9.3
