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winsup/cygwin ChangeLog cygerrno.h devices.cc ...


CVSROOT:	/cvs/uberbaum
Module name:	winsup
Changes by:	cgf@sourceware.org	2011-10-15 22:37:30

Modified files:
	cygwin         : ChangeLog cygerrno.h devices.cc devices.h 
	                 devices.in dtable.cc fhandler.cc fhandler.h 
	                 fhandler_clipboard.cc fhandler_console.cc 
	                 fhandler_disk_file.cc fhandler_fifo.cc 
	                 fhandler_floppy.cc fhandler_proc.cc 
	                 fhandler_random.cc fhandler_raw.cc 
	                 fhandler_registry.cc fhandler_serial.cc 
	                 fhandler_socket.cc fhandler_tape.cc 
	                 fhandler_termios.cc fhandler_tty.cc 
	                 fhandler_virtual.cc path.cc path.h pinfo.cc 
	                 pinfo.h pipe.cc syscalls.cc tty.cc tty.h 

Log message:
	* cygerrno.h (__set_errno): Modify debugging output to make searching strace
	logs easier.  Throughout, change /dev/tty* to /dev/pty*.  Throughout, add flags
	argument to fhandler_*::dup methods.
	* devices.in: Rename (temporarily?) /dev/ttyN to /dev/ptyN.  Add /dev/ptymN
	devices for pty masters.
	* devices.cc: Regenerate.
	* devices.h (MAX_CONSOLES): Set to max number supported by devices.in.
	(fh_devices::FH_PTMX): Rename from FH_PTYM.
	(device::operator int): Return by reference.
	* dtable.cc (fh_alloc): Take pc as an argument rather than just the device.
	This makes debugging easier since more information is available.  Actually
	implement handling for already-allocated pty master devices.  Make different
	decisions when generating fhandler for not-opened devices.  Add kludge to deal
	with opening /dev/tty.
	(cnew_no_ctor): New macro.
	(build_fh_pc): Make debugging output more verbose.  Use new clone() fhandler
	interface to duplicate archetypes.  Reset last term opened.
	(dtable::dup_worker): Use Use new clone() fhandler interface to duplicate
	archetypes.  Pass flags to child dup handler.
	(dtable::dup3): Set O_NOCTTY flag if newfd is not stdin/stdout/stderr.
	* fhandler.cc (fhandler_base::reset): Rename from operator =() and reduce
	functionality and sense of copy direction.
	(fhandler_base::open_with_arch): Use published interface to query io_handle().
	Use new copyto() fhandler method to copy from/to found archetype.
	* fhandler.h: Throughout, delete size(), add copyout, clone, and fhandler_*
	(void *) methods.
	(fhandler_base::reset): Rename from operator =().
	(fhandler_termios::is_dev_tty): Delete.
	(fhandler_termios): change "protected" region to "private".
	(fhandler_termios::is_dev_tty): Delete.
	(fhandler_termios): Rearrange protected/public.
	(fhandler_termios::fhandler_termios): Remember last fhandler_termios "opened".
	(fhandler_termios::~fhandler_termios): Forget last fhandler_termios opened.
	(ioctl): Rename from ioctl_termios.  Take a void * argument.  Reflect argument
	change in pinfo::set_ctty.
	(fhandler_console::dup): Declare new function.  Set ctty here if appropriate.
	(fhandler_pty_master::from_master): Privatize.
	(fhandler_pty_master::to_master): Ditto.
	(fhandler_pty_master::dwProcessId): Ditto.
	(fhandler_pty_master::fhandler_pty_master): Add an `int' argument.
	(fhandler_pty_master::open_setup): Declare new function.
	(fhandler_pty_master::~fhandler_pty_master): Declare new method.
	(fhandler_nodevice): Remove commented out function declaration.
	* fhandler_console.cc: Use get_ttyp() instead of tc() throughout.
	(fhandler_console::dup): Define new function to set controlling ctty on dup, as
	appropriate.
	(fhandler_console::ioctl): Reflect ioctl_termios name change.
	(fhandler_console::setup): Rename from get_tty_stuff.
	(fhandler_console::open_setup): Reflect argument change in pinfo::set_ctty.
	(fhandler_console::fhandler_console): Set _tc here.
	* fhandler_termios.cc (handler_termios::ioctl): Rename.  Take a void * arg like
	other ioctl functions.
	* fhandler_tty.cc (fhandler_pty_slave::dup): Call myself->set_ctty to
	potentially reset the controlling terminal.
	(fhandler_pty_slave::ioctl): Reflect name/arg change for ioctl_termios.
	(fhandler_pty_slave::fhandler_pty_slave): Take a "unit" argument.  Call setup()
	here so that we will know the unit number of this fhandler as soon as possible.
	Set the unit as appropriate.
	(handler_pty_master::open): Move most stuff to constructor and open_setup.
	(handler_pty_slave::open_setup): Reflect argument change in pinfo::set_ctty.
	(handler_pty_master::open_setup): Define new function.
	(fhandler_pty_master::cleanup): Clear handles as a flag that the destructor
	does not have to do "close" operations.
	(fhandler_pty_master::close): Ditto.
	(fhandler_pty_master::~fhandler_pty_master): Define new method.
	(fhandler_pty_master::ioctl): Reflect name/arg change for ioctl_termios.
	(fhandler_pty_master::setup): Allocate tty here.  Rely on handles being
	returned from allocated test rather than opening them here.  Avoid setting
	_need_nl here since it is already zeroed in the constructor.  Set up device
	information with DEV_TTYM_MAJOR.
	* path.h (path_conv &operator =): Take a const argument.
	(path_conv::dup): Ditto.
	(pathconv_arg::PC_OPEN): New enum.
	(pathconv_arg::PC_CTTY): Ditto.
	(path_types::PATH_CTTY): Ditto.
	(path_types::PATH_OPEN): Ditto.
	(path_conv::isopen): New method.
	(path_conv::isctty_capable): Ditto.
	* path.cc (path_conv::check): Set PATH_OPEN and PATH_CTTY as appropriate.
	* pipe.cc (fhandler_pipe::open): Use copyto to copy pipe handle.
	* syscall.cc (open): Reinstate fd > 2 check to disallow resetting ctty on
	non-std* handles.
	* tty.cc (tty_list::allocate): Pass out handles for allocated tty.  use
	`not_allocated' to find unallocated ttys.  Avoid keeping the lock since the
	allocation of the tty should be sufficient to prevent multiple access.
	(tty::not_allocated): Clarify comment.  Rename.  Return handles when an unused
	tty is found.  Simply test for existing tty.
	(tty::exists): Rewrite to use `not_allocated'.
	* tty.h (NTTYS): Reset down to actual number supported by devices.in.
	(tty::not_allocated): Declare new function.
	(tty_list::allocate): Pass out read/write tty handles.  Zero them when not
	found.
	* fhandler_proc.cc: Reflect name change from FH_PTYM -> FH_PTMX.
	* pinfo.h (pinfo::set_ctty): Reduce/reorder arguments passed in.
	* pinfo.cc (pinfo::set_ctty): Ditto.  Just use tc() built into the passed-in
	fhandler_termios pointer.  Return true if ctty is assigned.
	* syscalls.cc (open): Call build_fh_pc with PC_OPEN flag.  Set PC_CTTY if
	appropriate.
	(stat_worker): Remove is_dev_tty () stuff.

Patches:
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/ChangeLog.diff?cvsroot=uberbaum&r1=1.5521&r2=1.5522
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/cygerrno.h.diff?cvsroot=uberbaum&r1=1.20&r2=1.21
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/devices.cc.diff?cvsroot=uberbaum&r1=1.38&r2=1.39
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/devices.h.diff?cvsroot=uberbaum&r1=1.33&r2=1.34
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/devices.in.diff?cvsroot=uberbaum&r1=1.29&r2=1.30
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/dtable.cc.diff?cvsroot=uberbaum&r1=1.235&r2=1.236
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/fhandler.cc.diff?cvsroot=uberbaum&r1=1.401&r2=1.402
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/fhandler.h.diff?cvsroot=uberbaum&r1=1.438&r2=1.439
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/fhandler_clipboard.cc.diff?cvsroot=uberbaum&r1=1.47&r2=1.48
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/fhandler_console.cc.diff?cvsroot=uberbaum&r1=1.251&r2=1.252
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/fhandler_disk_file.cc.diff?cvsroot=uberbaum&r1=1.365&r2=1.366
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/fhandler_fifo.cc.diff?cvsroot=uberbaum&r1=1.47&r2=1.48
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/fhandler_floppy.cc.diff?cvsroot=uberbaum&r1=1.60&r2=1.61
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/fhandler_proc.cc.diff?cvsroot=uberbaum&r1=1.111&r2=1.112
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/fhandler_random.cc.diff?cvsroot=uberbaum&r1=1.41&r2=1.42
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/fhandler_raw.cc.diff?cvsroot=uberbaum&r1=1.72&r2=1.73
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/fhandler_registry.cc.diff?cvsroot=uberbaum&r1=1.67&r2=1.68
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/fhandler_serial.cc.diff?cvsroot=uberbaum&r1=1.78&r2=1.79
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/fhandler_socket.cc.diff?cvsroot=uberbaum&r1=1.281&r2=1.282
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/fhandler_tape.cc.diff?cvsroot=uberbaum&r1=1.76&r2=1.77
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/fhandler_termios.cc.diff?cvsroot=uberbaum&r1=1.89&r2=1.90
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/fhandler_tty.cc.diff?cvsroot=uberbaum&r1=1.241&r2=1.242
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/fhandler_virtual.cc.diff?cvsroot=uberbaum&r1=1.55&r2=1.56
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/path.cc.diff?cvsroot=uberbaum&r1=1.635&r2=1.636
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/path.h.diff?cvsroot=uberbaum&r1=1.159&r2=1.160
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/pinfo.cc.diff?cvsroot=uberbaum&r1=1.279&r2=1.280
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/pinfo.h.diff?cvsroot=uberbaum&r1=1.117&r2=1.118
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/pipe.cc.diff?cvsroot=uberbaum&r1=1.132&r2=1.133
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/syscalls.cc.diff?cvsroot=uberbaum&r1=1.593&r2=1.594
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/tty.cc.diff?cvsroot=uberbaum&r1=1.88&r2=1.89
http://sourceware.org/cgi-bin/cvsweb.cgi/winsup/cygwin/tty.h.diff?cvsroot=uberbaum&r1=1.31&r2=1.32


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