mirrors/SFML
1
0
Fork 0
mirror of https://github.com/SFML/SFML.git synced 2024-11-25 04:41:05 +08:00
Code Issues Packages Projects Releases Wiki Activity

Check socket descriptor limit. #153

Browse Source 
When calling select(), there's an upper limit for the socket descriptor
which is defined as FD_SETSIZE. When the socket descriptor is higher
than FD_SETSIZE, a call to select() will not work as expected, at least
for the proper sockets.

This patch adds an error message for this case.
This commit is contained in:
Stefan Schindler 2014-06-09 23:46:22 +02:00
parent 159176f5ba
commit 228038fa8a
1 changed files with 13 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

17
src/SFML/Network/SocketSelector.cpp
View File

@ -76,11 +76,20 @@ void SocketSelector::add(Socket& socket)
SocketHandle handle = socket.getHandle();
if (handle != priv::SocketImpl::invalidSocket())
{
FD_SET(handle, &m_impl->AllSockets);
if (handle < FD_SETSIZE)
{
FD_SET(handle, &m_impl->AllSockets);
int size = static_cast<int>(handle);
if (size > m_impl->MaxSocket)
m_impl->MaxSocket = size;
int size = static_cast<int>(handle);
if (size > m_impl->MaxSocket)
m_impl->MaxSocket = size;
}
else
{
err() << "The socket can't be added to the selector because its "
<< "ID is too high. This is a limitation of your operating "
<< "system's FD_SETSIZE setting.";
}
}
}