>We keep an outstanding, out of band, I/O request in the driver at all
>time.
>Once an event generated the driver queues the event message, completes the
>pending I/O and unblocks the calling thread through setting the event in
>the
>overlapped structure n the NL socket. The thread will read all all event
>messages synchronous through the call of nl_sock_recv()
>---
> datapath-windows/include/OvsDpInterfaceExt.h | 1 +
> lib/netlink-socket.c | 82
>++++++++++++++++++++++++++--
> 2 files changed, 79 insertions(+), 4 deletions(-)
>
>diff --git a/datapath-windows/include/OvsDpInterfaceExt.h
>b/datapath-windows/include/OvsDpInterfaceExt.h
>index 73dfcbe..ab2088a 100644
>--- a/datapath-windows/include/OvsDpInterfaceExt.h
>+++ b/datapath-windows/include/OvsDpInterfaceExt.h
>@@ -70,6 +70,7 @@
> /* Commands available under the OVS_WIN_CONTROL_FAMILY. */
> enum ovs_win_control_cmd {
> OVS_CTRL_CMD_WIN_GET_PID,
>+ OVS_CTRL_CMD_WIN_PEND_REQ
> };
>
> #endif /* __OVS_DP_INTERFACE_EXT_H_ */
>diff --git a/lib/netlink-socket.c b/lib/netlink-socket.c
>index a6be186..4b535f0 100644
>--- a/lib/netlink-socket.c
>+++ b/lib/netlink-socket.c
>@@ -80,6 +80,7 @@ static int get_sock_pid_from_kernel(struct nl_sock
>*sock);
> struct nl_sock {
> #ifdef _WIN32
> HANDLE handle;
>+ OVERLAPPED overlapped;
> #else
> int fd;
> #endif
>@@ -139,21 +140,30 @@ nl_sock_create(int protocol, struct nl_sock **sockp)
> sock = xmalloc(sizeof *sock);
>
> #ifdef _WIN32
>- sock->handle = CreateFileA("\\\\.\\OpenVSwitchDevice",
>+ sock->handle = CreateFile(TEXT("\\\\.\\OpenVSwitchDevice"),
Minor nit: s/OpenVSwitchDevice/OpenvSwitchDevice
Saurabh
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