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-rw-r--r--winsup/cygwin/ChangeLog11
-rw-r--r--winsup/cygwin/fhandler_socket.cc17
2 files changed, 24 insertions, 4 deletions
diff --git a/winsup/cygwin/ChangeLog b/winsup/cygwin/ChangeLog
index 587c46c17..6751d1888 100644
--- a/winsup/cygwin/ChangeLog
+++ b/winsup/cygwin/ChangeLog
@@ -1,3 +1,14 @@
+2003-03-11 Corinna Vinschen <corinna@vinschen.de>
+
+ * fhandler_socket.cc (fhandler_socket::dup): On NT systems avoid
+ using WinSock2 socket duplication methods. Add comment.
+
+2003-03-11 Pierre Humblet <pierre.humblet@ieee.org>
+
+ * fhandler_socket.cc (fhandler_socket::fixup_after_fork):
+ Set io_handle to INVALID_SOCKET in case of failure.
+ (fhandler_socket::dup): Return 0 if the io_handle is valid.
+
2003-03-10 Corinna Vinschen <corinna@vinschen.de>
* sec_acl.cc (setacl): Don't handle DELETE flag specially.
diff --git a/winsup/cygwin/fhandler_socket.cc b/winsup/cygwin/fhandler_socket.cc
index 01965bf67..c673df2af 100644
--- a/winsup/cygwin/fhandler_socket.cc
+++ b/winsup/cygwin/fhandler_socket.cc
@@ -344,6 +344,7 @@ fhandler_socket::fixup_after_fork (HANDLE parent)
prot_info_ptr, 0, 0)) == INVALID_SOCKET)
{
debug_printf ("WSASocket error");
+ set_io_handle ((HANDLE)INVALID_SOCKET);
set_winsock_errno ();
}
else if (!new_sock && !winsock2_active)
@@ -385,11 +386,19 @@ fhandler_socket::dup (fhandler_base *child)
fhs->set_sun_path (get_sun_path ());
fhs->set_socket_type (get_socket_type ());
- fhs->fixup_before_fork_exec (GetCurrentProcessId ());
- if (winsock2_active)
+ /* Using WinSock2 methods for dup'ing sockets seem to collide
+ with user context switches under... some... conditions. So we
+ drop this for NT systems at all and return to the good ol'
+ DuplicateHandle way of life. This worked fine all the time on
+ NT anyway and it's even a bit faster. */
+ if (!wincap.has_security ())
{
- fhs->fixup_after_fork (hMainProc);
- return 0;
+ fhs->fixup_before_fork_exec (GetCurrentProcessId ());
+ if (winsock2_active)
+ {
+ fhs->fixup_after_fork (hMainProc);
+ return get_io_handle () == (HANDLE) INVALID_SOCKET;
+ }
}
return fhandler_base::dup (child);
}