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* autoload.cc: Call _api_fatal in asm.

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* child_info.h: Redefine CURR_CHILD_INFO_MAGIC.
(child_info_fork::abort): Rename from handle_failure.  Change arguments.
* cygtls.h (_local_storage::ttybuf): New field.
* dcrt0.cc (vapi_fatal): Split api_fatal.  Add "in forked process" to message
when appropriate.
(api_fatal): Use vapi_fatal.
* devices.h: Make multiple inclusion safe.
(fh_devices): Add FH_CONS* stuff.  Reorder slightly.
(device): Eliminate anonymous union.  Add more ways to access minor/major.
(device::setunit): Accommodate no-longer-anonymous union.
(device::is_fs): Ditto.
(device::is_fs_special): Ditto.
(device::major): New function.
(device::minor): Ditto.
(device::is_device): New function.
(device::not_device): Ditto.
(device::operator int): New operator.
(device::operator fh_devices): Ditto.
(device::operator bool): Ditto.
(device::operator DWORD): Ditto.
(device::operator =): Ditto.
(isproc_dev): New function.
(isprocsys_dev): Ditto.
(iscons_dev): Ditto.
(istty_slave_dev): Ditto.
* devices.in: Add new "/dev/cons*" strings.  Accommodate no-longer-anonymous
union throughout.
(BRACK): Use more precise method for initialization.
* devices.cc: Regenerate.
* dtable.cc (dtable::stdio_init): Use get_cttyp instead of get_tty.
(dtable::find_archetype): Use new DWORD operator in device to test archetypes.
(dtable::init_std_file_from_handle): Use different method to initialize 'dev'.
Adapt to different ctty handling and accommodate /dev/cons*.
(fh_alloc): Accommodate no-longer-anonymous union.  Adapt to new /dev/cons*.
(build_fh_pc): Make debugging output more useful.
* exceptions.cc (ctrl_c_handler): Use get_cttyp instead of get_tty.
* external.cc (fillout_pinfo): Accommodate new cons* stuff.
* fhandler.cc (fhandler_base::read): Eliminate is_slow() test.
* fhandler.h (fhandler_base::*): Adapt to changes in device.h.
(fhandler_*::is_slow): Delete.
( fhandler_proc::get_proc_fhandler): Return fh_devices type.
* fhandler_console.cc (open_shared_console): New function.
(console_unit): New class.
(console_unit::console_unit): New constructor.
(enum_windows): New function.  Declare as friend to console_unit.
(fhandler_console::set_unit): New function.
(fhandler_console::get_tty_stuff): Call set_unit to set the unit number and
determine if initialization is needed.  Eliminate flags parameter.
(tty_list::get_cttyp): Rename (sorta) from get_tty.  Return pointer to correct
tty_min.
(fhandler_console::open): Adapt to elimination of argument to get_tty_stuff.
(fhandler_console::output_tcsetattr): Properly detect error condition.
(fhandler_console::fixup_after_fork_exec): Adapt to get_tty_stuff() setting tc
automatically.
* fhandler_proc.cc: Use FH_BAD rather than 0 throughout where using fh_devices
enum.
(fhandler_proc::get_proc_fhandler): Return fh_devices.  Adapt to devices.h
changes.
* fhandler_process.cc: Adapt to devices.h changes.  Use FH_BAD rather than 0
throughout where using fh_devices enum.
* fhandler_procnet.cc: Ditto.
* fhandler_procsys.cc: Ditto.
* fhandler_procsysvipc.cc: Ditto.
* fhandler_tape.cc (fhandler_dev_tape::fhandler_dev_tape): Ditto.
* fhandler_termios.cc (handler_termios::bg_check): Use tc->ttyname() rather
than assuming that we can construct a tty.
* fhandler_tty.cc (fhandler_tty_master::fhandler_tty_master): Just return
get_minor() of dev.
(fhandler_pty_master::process_slave_output): Add slightly more debugging info.
(fhandler_tty_slave::fhandler_tty_slave): Change name from ntty to unit.
(fhandler_pty_master::open): Ditto.
(fhandler_tty_slave::ioctl): Adapt to change which causes ctty to represent a
complete device.
(fhandler_tty_master::init_console): Add debugging for failure path.
(fhandler_pty_master::setup): Use get_unit() to retrieve unit number rather
than relying on raw ntty.
(fhandler_pty_master::setup): Ditto.
* fhandler_virtual.h (virt_tab_t): Redefine fhandler as fh_devices.
* fork.cc: Remove obsolete vfork stuff.
(frok::child): Don't assume that a ctty == 0 is valid.
* mount.cc (mount_info::conv_to_win32_path): Adapt to device struct changes.
(mount_info::conv_to_win32_path): Ditto.
* path.cc (path_conv::check): Retrive major/minor numbers via a method rather
than accessing them directly from device.  Rely on dev operators to
set/retrieve device information as required by device struct change.
* path.h (isproc_dev): Move to devices.h.
(isprocsys_dev): Ditto.
(isvirtual_dev): Ditto.
(path_conv:{isdevice,isfifo,isspecial,iscygdrive,issocket,get_devn,get_unitn}):
Use device methods to access/manipulate devices.
* pinfo.cc (pinfo::exit): Don't assume that ctty == 0 is valid.  Use iscons_dev
to determine if a device is a console.
(_pinfo::_ctty): Use device::parse to generate tty/cons name.
(_pinfo::set_ctty): Don't assume that ctty == 0 is valid.  Remove redundant
info from debugging.
* shared.cc (offsets): Remove console offset.
* shared_info.h (shared_locations): Ditto.
* syscalls.cc (umask): Use device methods to manipulate device information.
(ctermid): Use device::parse to generate term device name.
* tlsoffsets.h: Regenerate.
* tty.cc (ttyslot): Return minor number of ctty since ctty now represents a
full device.
(tty::create_master): Set ctty to a complete device.
(tty_list::attach): Rework to detect new /dev/cons* stuff.
(tty_list::terminate): Adapt to changes to ctty.
(tty_list::init): Adapt to change to setntty - pass in device major number.
(tty::exists): Use get_unit() to retrive tty unit number.
(tty::open_mutex): Ditto.
(tty::open_inuse): Ditto.
(tty::create_inuse): Ditto.
(tty::get_event): Ditto.
(tty_min::ttyname): Define new function.
* tty.h (tty_min::ntty): Redefine as fh_devices.
(tty::exists): Use get_unit() to retrive tty unit number.
(tty::open_mutex): Ditto.
(tty::open_inuse): Ditto.
(tty::create_inuse): Ditto.
(tty::get_event): Ditto.
(tty_min::ttyname): Declare new function.
(tty::getntty): Declare as const.
(tty_list::operator []): Assure that only minor part of argument is used.
* dll_init.cc (dll_list::alloc): Detect mismatch of data segments early issuing
an explicit error message if necessary.
* heap.cc (heap_init): Adapt to changes from fork->handle_failure to
fork->abort.
* pinfo.h (EXITCODE_FORK_FAILED): New enum.  (from Ryan Johnson)
* sigproc.cc (child_info_fork::abort): Rename from handle_failure.  Change
arguments to allow passing in a printf-like message.
* winsup.h (api_fatal): Delete macro definition.
(api_fatal): Redefine from __api_fatal.
(vapi_fatal): Declare new function.
* include/sys/strace.h (strace_vprintf): Define new macro.
* ntdll.h (_SYSTEM_INFORMATION_CLASS): Add SystemHandleInformation.
This commit is contained in:
Christopher Faylor
2011-05-28 18:17:09 +00:00
parent 747a0a5205
commit 44d2fc0a45
41 changed files with 4425 additions and 2924 deletions
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49
winsup/cygwin/tty.cc
View File

@ -1,7 +1,7 @@
/* tty.cc
Copyright 1997, 1998, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2008, 2009,
2010 Red Hat, Inc.
2010, 2011 Red Hat, Inc.
This file is part of Cygwin.
@ -55,7 +55,7 @@ ttyslot (void)
{
if (NOTSTATE (myself, PID_USETTY))
return -1;
return myself->ctty;
return device::minor (myself->ctty);
}
HANDLE NO_COPY tty_list::mutex = NULL;
@ -119,21 +119,24 @@ tty::create_master (int ttynum)
strncpy (our_utmp.ut_id, our_utmp.ut_line + len, UT_IDLEN);
our_utmp.ut_type = USER_PROCESS;
our_utmp.ut_pid = myself->pid;
myself->ctty = ttynum;
myself->ctty = FHDEV (DEV_TTYS_MAJOR, ttynum);
login (&our_utmp);
}
}
int __stdcall
tty_list::attach (int num)
tty_list::attach (int n)
{
if (num != -1)
{
return connect (num);
}
if (NOTSTATE (myself, PID_USETTY))
return -1;
return allocate (true);
int res;
if (iscons_dev (n))
res = -1;
else if (n != -1)
res = connect (device::minor (n));
else if (ISSTATE (myself, PID_USETTY))
res = allocate (true);
else
res = -1;
return res;
}
void
@ -141,10 +144,10 @@ tty_list::terminate ()
{
if (NOTSTATE (myself, PID_USETTY))
return;
int ttynum = myself->ctty;
int ttynum = device::minor (myself->ctty);
/* Keep master running till there are connected clients */
if (ttynum != -1 && tty_master && ttys[ttynum].master_pid == myself->pid)
if (myself->ctty != -1 && tty_master && ttys[ttynum].master_pid == myself->pid)
{
tty *t = ttys + ttynum;
/* Wait for children which rely on tty handling in this process to
@ -202,7 +205,7 @@ tty_list::init ()
for (int i = 0; i < NTTYS; i++)
{
ttys[i].init ();
ttys[i].setntty (i);
ttys[i].setntty (DEV_TTYS_MAJOR, i);
}
}
@ -292,7 +295,7 @@ tty::exists ()
/* Attempt to open the from-master side of the tty. If it is accessible
then it exists although it may have been privileges to actually use it. */
char pipename[sizeof("ttyNNNN-from-master")];
__small_sprintf (pipename, "tty%d-from-master", ntty);
__small_sprintf (pipename, "tty%d-from-master", get_unit ());
HANDLE r, w;
int res = fhandler_pipe::create_selectable (&sec_none_nih, r, w, 0, pipename);
if (res)
@ -323,7 +326,7 @@ HANDLE
tty::open_mutex (const char *mutex, ACCESS_MASK access)
{
char buf[MAX_PATH];
shared_name (buf, mutex, ntty);
shared_name (buf, mutex, get_unit ());
return OpenMutex (access, TRUE, buf);
}
@ -331,7 +334,7 @@ HANDLE
tty::open_inuse (ACCESS_MASK access)
{
char buf[MAX_PATH];
shared_name (buf, TTY_SLAVE_ALIVE, ntty);
shared_name (buf, TTY_SLAVE_ALIVE, get_unit ());
return OpenEvent (access, FALSE, buf);
}
@ -341,7 +344,7 @@ tty::create_inuse (PSECURITY_ATTRIBUTES sa)
HANDLE h;
char buf[MAX_PATH];
shared_name (buf, TTY_SLAVE_ALIVE, ntty);
shared_name (buf, TTY_SLAVE_ALIVE, get_unit ());
h = CreateEvent (sa, TRUE, FALSE, buf);
termios_printf ("%s %p", buf, h);
if (!h)
@ -366,7 +369,7 @@ tty::get_event (const char *fmt, PSECURITY_ATTRIBUTES sa, BOOL manual_reset)
HANDLE hev;
char buf[MAX_PATH];
shared_name (buf, fmt, ntty);
shared_name (buf, fmt, get_unit ());
if (!sa)
sa = &sec_all;
if (!(hev = CreateEvent (sa, manual_reset, FALSE, buf)))
@ -394,3 +397,11 @@ lock_ttys::release ()
{
ReleaseMutex (tty_list::mutex);
}
const char *
tty_min::ttyname ()
{
device d;
d.parse (ntty);
return d.name;
}