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[Qemu-devel] [PATCH v5 2/7] Add socket_writev_buffer function
From: |
Orit Wasserman |
Subject: |
[Qemu-devel] [PATCH v5 2/7] Add socket_writev_buffer function |
Date: |
Fri, 22 Mar 2013 16:47:58 +0200 |
Signed-off-by: Orit Wasserman <address@hidden>
---
savevm.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/savevm.c b/savevm.c
index 35c8d1e..21140c4 100644
--- a/savevm.c
+++ b/savevm.c
@@ -39,6 +39,7 @@
#include "qmp-commands.h"
#include "trace.h"
#include "qemu/bitops.h"
+#include "qemu/iov.h"
#define SELF_ANNOUNCE_ROUNDS 5
@@ -171,6 +172,19 @@ static void coroutine_fn yield_until_fd_readable(int fd)
qemu_coroutine_yield();
}
+static ssize_t socket_writev_buffer(void *opaque, struct iovec *iov, int
iovcnt)
+{
+ QEMUFileSocket *s = opaque;
+ ssize_t len;
+ ssize_t size = iov_size(iov, iovcnt);
+
+ len = iov_send(s->fd, iov, iovcnt, 0, size);
+ if (len < size) {
+ len = -socket_error();
+ }
+ return len;
+}
+
static int socket_get_fd(void *opaque)
{
QEMUFileSocket *s = opaque;
@@ -387,6 +401,7 @@ static const QEMUFileOps socket_read_ops = {
static const QEMUFileOps socket_write_ops = {
.get_fd = socket_get_fd,
.put_buffer = socket_put_buffer,
+ .writev_buffer = socket_writev_buffer,
.close = socket_close
};
--
1.7.11.7
- [Qemu-devel] [PATCH v5 0/7] Migration: Remove copying of guest ram pages, Orit Wasserman, 2013/03/22
- [Qemu-devel] [PATCH v5 1/7] Add QemuFileWritevBuffer QemuFileOps, Orit Wasserman, 2013/03/22
- [Qemu-devel] [PATCH v5 2/7] Add socket_writev_buffer function,
Orit Wasserman <=
- [Qemu-devel] [PATCH v5 3/7] Update bytes_xfer in qemu_put_byte, Orit Wasserman, 2013/03/22
- [Qemu-devel] [PATCH v5 4/7] Store the data to send also in iovec, Orit Wasserman, 2013/03/22
- [Qemu-devel] [PATCH v5 5/7] Use writev ops if available, Orit Wasserman, 2013/03/22
- [Qemu-devel] [PATCH v5 6/7] Add qemu_put_buffer_async, Orit Wasserman, 2013/03/22
- [Qemu-devel] [PATCH v5 7/7] Use qemu_put_buffer_async for guest memory pages, Orit Wasserman, 2013/03/22
- Re: [Qemu-devel] [PATCH v5 0/7] Migration: Remove copying of guest ram pages, Eric Blake, 2013/03/27