[ENet-discuss] server crashes when calling enet_host_flush() from other thread

[aj3423]

I tried to lock everything... still not working, I cannot figure out if
there is still crash, because the server almost doesn't work anymore..
The code: http://pastebin.com/xmqjn15B

2016-01-22 23:27 GMT+08:00 Lee Salzman <lsalzman at gmail.com>:

> enet_host_service must also be locked. enet_host_service and
> enet_host_flush both will modify sensitive internal bits of the host
> structure AND the peer structure, so unfortunately, all of these must
> be locked at the same time to work.
>
> On Fri, Jan 22, 2016 at 9:38 AM, aj3423 <aj3423 at gmail.com> wrote:
> > Thanks. I tried simply guard all access to 'peer' (the line of
> peer->address
> > is commented out), still not working. My code at:
> > http://pastebin.com/QJhH871p , what do I miss?
> >
> > 2016-01-22 22:05 GMT+08:00 Lee Salzman <lsalzman at gmail.com>:
> >>
> >> You would have to guard all access to ENetPeer as well, including
> >> enet_peer_send and peer->address.
> >>
> >> On Fri, Jan 22, 2016 at 1:27 AM, aj3423 <aj3423 at gmail.com> wrote:
> >> > My server should receive message from client and echo back some
> message,
> >> > but
> >> > in my case building the message packet costs time, so I need to
> create a
> >> > thread to echo message to clients.
> >> >
> >> > I wrote a test to illustrate this problem, the client runs a infinit
> >> > loop,
> >> > sending 2k data to server and receive 2k data. The server crashes
> after
> >> > a
> >> > while, randomly. the code:
> >> >
> >> > server: http://pastebin.com/99kpQgTJ
> >> > client:  http://pastebin.com/wX8jfZgk
> >> >
> >> > It crashes at function enet_host_flush, I tried to use `std::mutex`
> but
> >> > doesn't help. Any idea? Thanks.
> >> >
> >> > My Environment: Win7 32bit + VS2013 + Enet 1.3.13
> >> >
> >> >
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> >> >
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> >
> >
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