* errno.cc (errmap): Change mapping of NO_SYSTEM_RESOURCES to EFBIG.

* fhandler.cc (MAX_OVERLAPPED_WRITE_LEN): New constant.
(MIN_OVERLAPPED_WRITE_LEN): Ditto.
(fhandler_base_overlapped::close): Accommodate change in arguments to
wait_overlapped.
(fhandler_base_overlapped::setup_overlapped): Add __stdcall and regparm
modifiers.
(fhandler_base_overlapped::destroy_overlapped): Ditto.
(fhandler_base_overlapped::has_ongoing_io): Ditto.
(fhandler_base_overlapped::wait_overlapped): Modify to return an enum returning
various states.  Accept nonblocking parameter.
(fhandler_base_overlapped::read_overlapped): Add __stdcall and regparm
modifiers.  Rework to attempt to be smarter about reacting to states returned
by wait_overlapped.
(fhandler_base_overlapped::write_overlapped): Ditto.  Add fallback option for
when wait_overlapped detects that smaller chunks must be written.
(fhandler_base_overlapped::write_overlapped_fallback): Ditto.
* fhandler.h (DEFAULT_PIPEBUFSIZE): Move definition here from pipe.cc.
(fhandler_base::has_ongoing_io): Define with __stdcall and regparm modifiers.
(fhandler_base_overlapped::wait_return): New enum.
(fhandler_base_overlapped::max_atomic_write): New variable.
(fhandler_base_overlapped:: wait_overlapped): Accommodate changes mentioned
above to arguments and modifiers.
(fhandler_base_overlapped::setup_overlapped): Ditto for modifiers.
(fhandler_base_overlapped::read_overlapped): Ditto.
(fhandler_base_overlapped::write_overlapped): Ditto.
(fhandler_base_overlapped::destroy_overlapped): Ditto.
(fhandler_base_overlapped::has_ongoing_io): Ditto.
(fhandler_base_overlapped::fhandler_base_overlapped): Zero max_atomic_write.
* fhandler_fifo.cc (fhandler_fifo::fhandler_fifo): Set max_atomic_write to the
size of the DEFAULT_PIPEBUFSIZE.
(fhandler_fifo::wait): Accommodate change in arguments to wait_overlapped.
* pipe.cc (fhandler_pipe::fhandler_pipe): Set max_atomic_write to the size of
the DEFAULT_PIPEBUFSIZE.
(fhandler_pipe::create_selectable): Allow minimum size of DEFAULT_PIPEBUFSIZE.
(DEFAULT_PIPEBUFSIZE): Delete here, move to fhandler.h.

1 files changed, 4 insertions, 2 deletions

diff --git a/winsup/cygwin/fhandler_fifo.cc b/winsup/cygwin/fhandler_fifo.cc
index 746409c01..9142947ed 100644
--- a/winsup/cygwin/fhandler_fifo.cc
+++ b/winsup/cygwin/fhandler_fifo.cc
@@ -1,6 +1,7 @@
 /* fhandler_fifo.cc - See fhandler.h for a description of the fhandler classes.
 
-   Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Red Hat, Inc.
+   Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
+   Red Hat, Inc.
 
    This file is part of Cygwin.
 
@@ -24,6 +25,7 @@
 fhandler_fifo::fhandler_fifo ():
   fhandler_base_overlapped (), wait_state (fifo_unknown), dummy_client (NULL)
 {
+  max_atomic_write = DEFAULT_PIPEBUFSIZE;
   need_fork_fixup (true);
 }
 
@@ -188,7 +190,7 @@ fhandler_fifo::wait (bool iswrite)
 	    int res = ConnectNamedPipe (get_handle (), get_overlapped ());
 	    if (GetLastError () != ERROR_NO_DATA && GetLastError () != ERROR_PIPE_CONNECTED)
 	      {
-		res = wait_overlapped (res, iswrite, &dummy_bytes);
+		res = wait_overlapped (res, iswrite, &dummy_bytes, false);
 		if (!res)
 		  {
 		    if (get_errno () != EINTR)