winsup/cygwin ChangeLog dtable.cc dtable.h fha ...

[cgf@cygwin.com]

CVSROOT:	/cvs/uberbaum
Module name:	winsup
Changes by:	cgf@sourceware.org	2007-07-07 17:00:33

Modified files:
	cygwin         : ChangeLog dtable.cc dtable.h fhandler.cc 
	                 fhandler.h fhandler_fifo.cc pinfo.cc pinfo.h 
	                 pipe.cc select.cc 

Log message:
	Preliminary change to make fifos/pipes interruptible and fifos reliable.
	* dtable.cc (dtable::find_fifo): Eliminate definition.
	* dtable.h (dtable::find_fifo): Ditto for declaration.
	* fhandler.cc (fhandler_base::raw_read): Remove pipe-specific stuff.
	(fhandler_base::fhandler_base): Ditto.
	(fhandler_base::close): Handle overlapped I/O structure if appropriate.
	(fhandler_base::dup): Ditto.
	(fhandler_base::fork_fixup): Ditto.
	(fhandler_base::setup_overlapped): Define new function.
	(fhandler_base::destroy_overlapped): Ditto.
	(fhandler_base::wait_overlapped): Ditto.
	(fhandler_base::read_overlapped): Ditto.
	(fhandler_base::write_overlapped): Ditto.
	* fhandler.h (fhandler_base::get_overlapped): Declare new function.
	(fhandler_base::setup_overlapped): Ditto.
	(fhandler_base::destroy_overlapped): Ditto.
	(fhandler_base::wait_overlapped): Ditto.
	(fhandler_base::read_overlapped): Ditto.
	(fhandler_base::write_overlapped): Ditto.
	(fhandler_base::get_guard): Eliminate.
	(fhandler_pipe::*): Rework to eliminate most Win9x related cruft, removing many
	variables and defining a new overlapped capability.
	(fhandler_fifo::*): Ditto.
	(fifo_state): Declare new enum.
	* fhandler_fifo.cc (fhandler_fifo::fhandler_fifo): Remove old Win9x stuff.
	Initialize overlapped handle to NULL.
	(fhandler_fifo::set_use): Eliminate.
	(fhandler_fifo::open_nonserver): Define.
	(fhandler_fifo::open): Rework to use named pipes and overlapped I/O.
	(fhandler_fifo::wait): Define new function to wait for named pipe connection.
	(fhandler_fifo::read): Rework to use wait() and new overlapped I/O
	functionality.
	(fhandler_fifo::write): Ditto.
	(fhandler_fifo::dup): Eliminate.
	* pinfo.cc (commune_process): Remove fifo handling.
	(_pinfo::commune_request): Ditto.
	* pinfo.h (picom): Ditto.
	* pipe.cc (fhandler_pipe::fhandler_pipe): Remove Win9x stuff.  Initialize
	overlapped handle to NULL.
	(fhandler_pipe::open): Eliminate Win9x stuff.
	(fhandler_pipe::set_close_on_exec): Eliminate.
	(read_pipe): Eliminate.
	(fhandler_pipe::close): Ditto.
	(fhandler_pipe::fixup_after_exec): Ditto.
	(fhandler_pipe::fixup_in_child): Ditto.
	(fhandler_pipe::read): Rework to use overlapped I/O.
	(fhandler_pipe::write): New function using overlapped I/O.
	(fhandler_pipe::dup): Rework to eliminate Win9x stuff.
	(fhandler_pipe::create_selectable): Rework to eliminate Win9x and use
	overlapped I/O.
	* select.cc (peek_pipe): Rework to eliminate Win9x stuff and use overlapped
	I/O.
	(fhandler_base::ready_for_read): Ditto.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/ChangeLog.diff?cvsroot=uberbaum&r1=1.3833&r2=1.3834
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/dtable.cc.diff?cvsroot=uberbaum&r1=1.174&r2=1.175
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/dtable.h.diff?cvsroot=uberbaum&r1=1.41&r2=1.42
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/fhandler.cc.diff?cvsroot=uberbaum&r1=1.290&r2=1.291
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/fhandler.h.diff?cvsroot=uberbaum&r1=1.315&r2=1.316
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/fhandler_fifo.cc.diff?cvsroot=uberbaum&r1=1.21&r2=1.22
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/pinfo.cc.diff?cvsroot=uberbaum&r1=1.237&r2=1.238
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/pinfo.h.diff?cvsroot=uberbaum&r1=1.101&r2=1.102
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/pipe.cc.diff?cvsroot=uberbaum&r1=1.94&r2=1.95
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/select.cc.diff?cvsroot=uberbaum&r1=1.134&r2=1.135