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* net.cc (fdsock): Fill _rmem and _wmem with valid values returned

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from getsockopt if setsockopt with desired values failed.
This commit is contained in:
Corinna Vinschen
2009-11-13 12:35:53 +00:00
parent 4ade241445
commit ab36239578
2 changed files with 21 additions and 3 deletions
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19
winsup/cygwin/net.cc
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@@ -483,6 +483,8 @@ cygwin_getprotobynumber (int number)
bool
fdsock (cygheap_fdmanip& fd, const device *dev, SOCKET soc)
{
int size;
fd = build_fh_dev (*dev);
if (!fd.isopen ())
return false;
@@ -506,15 +508,26 @@ fdsock (cygheap_fdmanip& fd, const device *dev, SOCKET soc)
be nice, though.
(*) Maximum normal TCP window size. Coincidence? */
((fhandler_socket *) fd)->rmem () = 65535;
((fhandler_socket *) fd)->wmem () = 65535;
if (::setsockopt (soc, SOL_SOCKET, SO_RCVBUF,
(char *) &((fhandler_socket *) fd)->rmem (), sizeof (int)))
debug_printf ("setsockopt(SO_RCVBUF) failed, %lu", WSAGetLastError ());
{
debug_printf ("setsockopt(SO_RCVBUF) failed, %lu", WSAGetLastError ());
if (::getsockopt (soc, SOL_SOCKET, SO_RCVBUF,
(char *) &((fhandler_socket *) fd)->rmem (),
(size = sizeof (int), &size)))
system_printf ("getsockopt(SO_RCVBUF) failed, %lu", WSAGetLastError ());
}
if (::setsockopt (soc, SOL_SOCKET, SO_SNDBUF,
(char *) &((fhandler_socket *) fd)->wmem (), sizeof (int)))
debug_printf ("setsockopt(SO_SNDBUF) failed, %lu", WSAGetLastError ());
{
debug_printf ("setsockopt(SO_SNDBUF) failed, %lu", WSAGetLastError ());
if (::getsockopt (soc, SOL_SOCKET, SO_SNDBUF,
(char *) &((fhandler_socket *) fd)->wmem (),
(size = sizeof (int), &size)))
system_printf ("getsockopt(SO_SNDBUF) failed, %lu", WSAGetLastError ());
}
return true;
}