Hi,
I am trying to port a Linux application to Windows that highly depends
on GLib. I compiled GLib with MSVC 2015. The application uses g_poll()
in a place. In g_poll() GNOME documentation, it states that
If you need to use |g_poll()|
<https://developer.gnome.org/glib/stable/glib-The-Main-Event-Loop.html#g-poll>
in
code that has to run on Windows, the easiest solution is to
construct all of your GPollFDs
<https://developer.gnome.org/glib/stable/glib-The-Main-Event-Loop.html#GPollFD>with
|g_io_channel_win32_make _pollfd()|.
I will provide some small code segments to provide you insight:
.
.
// In arv_gv_discover_socket_list_new() function
#ifdef_WIN32
GIOChannel*channel=g_io_channel_win32_new_socket(discover_socket->socket);
g_io_channel_win32_make_pollfd(channel,G_IO_IN,&socket_list->poll_fds[i]);
#else
socket_list->poll_fds[i].fd=g_socket_get_fd(discover_socket->socket);
socket_list->poll_fds[i].events=G_IO_IN;
socket_list->poll_fds[i].revents=0;
#endif .
.
// In_discover() function
.
.
arv_gv_discover_socket_list_send_discover_packet(socket_list);
do{
#ifdef_WIN32
// g_io_channel_win32_make _pollfd() documentation says call this
if(g_io_channel_win32_poll(socket_list->poll_fds,socket_list->n_sockets,ARV_GV_INTERFACE_DISCOVERY_TIMEOUT_MS)==0)
#else
if(g_poll(socket_list->poll_fds,socket_list->n_sockets,ARV_GV_INTERFACE_DISCOVERY_TIMEOUT_MS)==0)
#endif
{
arv_gv_discover_socket_list_free(socket_list);
returnNULL;
}
.
.
As you might guess, in arv_gv_discover_socket_list_new() function,
GPollFDs are created and in _discover() function, a broadcast message
is sent and then polled for reply. but no luck, still in _discover(),
it time outs. By the way, in Linux, the same application works smootly.
I also checked the discovery packet was actually emitted, and I saw a
camera discovery ack packet coming to my network adapter via WireShark.
Since I am newbie to GLib, I cannot be sure if this modification is
incorrect or GLib implementation is incorrect. Can you help me to
resolve the problem?
Thanks.
PS: The Linux project is Aravis 0.5.9.
(http://ftp.gnome.org/pub/GNOME/sources/aravis/0.5/)
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