* fhandler.h (fhandler_pipe::create_selectable): Remove optional argument, take

an options argument for CreateNamedPipe/CreateFile.  Change handle arguments to
expect pointers.
(fhandler_fifo::fifo_state): Delete.
(fhandler_fifo::dummy_client): Ditto.
(fhandler_fifo::open_nonserver): Ditto.
(fhandler_fifo::wait_state): Ditto.
(fhandler_fifo::raw_write): Ditto.
(fhandler_fifo::read_ready): New field.
(fhandler_fifo::write_ready): Ditto.
(fhandler_fifo::wait): Modify argument.
(fhandler_fifo::fifo_name): Add a new argument.
(fhandler_fifo::fixup_after_fork): New function.
* fhandler_fifo.cc (fhandler_fifo::fhandler_fifo): Remove initialization of
expunged elements.  Initialize new handles to NULL.
(fhandler_fifo::open_nonserver): Delete.
(fnevent): New macro for creating a named event.
(fnpipe): New macro for creating a unique named pipe name.
(create_pipe): New macro for simplification of named pipe creation.
(fhandler_fifo::fifo_name): Use new argument when creating a shared name.
(fhandler_fifo::open): Rewrite.  Use events to synchronize.
(pure_debug_printf): New macro, active only when DEBUGGING.
(fhandler_fifo::wait): Rewrite to wait for new fifo events which are supplied
as a parameter.
(fhandler_fifo::raw_read): Rewrite to use handle mechanism to detect
client-side disconnect.
(fhandler_fifo::raw_write): Delete.
(fhandler_fifo::close): Remove accommodations for expunged fields.  Close event
handles.
(fhandler_fifo::dup): Remove accommodations for expunged fields.  Duplicate
event handles.
(fhandler_fifo::fixup_after_fork): New function.  Perform fixups on event
handles.
(fhandler_fifo::set_close_on_exec): Remove accommodations for expunged fields.
Set inheritance for new handle fields.
* miscfuncs.cc (CreatePipeOverlapped): Accommodate changes in
fhandler_pipe::create_selectable.
* tty.cc (tty::not_allocated): Ditto.
* pipe.cc (fhandler_pipe::create): Ditto.
(fhandler_pipe::create_selectable): Accept an extra open_mode argument.  Pass
arguments by reference and allow opening one end of the pipe at a time.
* sys/strace.h (debug_only_printf): Define new macro which calls debug_printf
only when DEBUGGING is defined.

1 files changed, 5 insertions, 0 deletions

diff --git a/winsup/cygwin/include/sys/strace.h b/winsup/cygwin/include/sys/strace.h
index 89f2d50da..a8eb05f91 100644
--- a/winsup/cygwin/include/sys/strace.h
+++ b/winsup/cygwin/include/sys/strace.h
@@ -125,6 +125,11 @@ void strace_printf (unsigned, const char *func, const char *, ...);
     }))
 #endif /*NOSTRACE*/
 
+#ifdef DEBUGGING
+#define debug_only_printf(fmt, args...) debug_printf (fmt , ## args)
+#else
+#define debug_only_printf(fmt, args...) do {} while (0)
+#endif
 #define debug_printf(fmt, args...) strace_printf_wrap(DEBUG, fmt , ## args)
 #define malloc_printf(fmt, args...) strace_printf_wrap1(MALLOC, fmt , ## args)
 #define minimal_printf(fmt, args...) strace_printf_wrap1(MINIMAL, fmt , ## args)