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From
http://sourceforge.net/p/udt/patches/12/
--- src/epoll.cpp
+++ src/epoll.cpp
@@ -256,18 +256,23 @@ int CEPoll::wait(const int eid, set<UDTSOCKET>* readfds, set<UDTSOCKET>* writefd
FD_ZERO(&readfds);
FD_ZERO(&writefds);
+ //"select" needs to know the max file descriptor that is set in the fd_set structs
+ SYSSOCKET max_fd = 0;
+
for (set<SYSSOCKET>::const_iterator i = p->second.m_sLocals.begin(); i != p->second.m_sLocals.end(); ++ i)
{
if (lrfds)
FD_SET(*i, &readfds);
if (lwfds)
FD_SET(*i, &writefds);
+ if (*i > max_fd)
+ max_fd = *i;
}
timeval tv;
tv.tv_sec = 0;
tv.tv_usec = 0;
- if (::select(0, &readfds, &writefds, NULL, &tv) > 0)
+ if (::select(max_fd + 1, &readfds, &writefds, NULL, &tv) > 0)
{
for (set<SYSSOCKET>::const_iterator i = p->second.m_sLocals.begin(); i != p->second.m_sLocals.end(); ++ i)
{
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