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Add SPDX license (but not copyright) headers to all files which follow a
certain pattern in their existing non-machine-readable header comment.
This commit was entirely generated using the command:
```
git ls-files glib/*.[ch] | xargs perl -0777 -pi -e 's/\n \*\n \* This library is free software; you can redistribute it and\/or\n \* modify it under the terms of the GNU Lesser General Public/\n \*\n \* SPDX-License-Identifier: LGPL-2.1-or-later\n \*\n \* This library is free software; you can redistribute it and\/or\n \* modify it under the terms of the GNU Lesser General Public/igs'
```
Signed-off-by: Philip Withnall <pwithnall@endlessos.org>
Helps: #1415
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Used in following commits, including in some GIO experiments.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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Used in following commits, including in some GIO experiments, so make it
a private API.
For now, this implementation is similar to the glib/gspawn-win32.c one,
with mroe error checking and better on error behaviour. A following
patch will also fix the case of duplicating sockets.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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On Windows, process spawning needs an external helper exe which is found
relatively to the glib DLL file. If glib has been built statically this
file doesn't exist anymore and reference path is not the DLL path
anymore but the current executable path.
This patch searches for the helper exe taking as starting point the
current executable path, relative 'bin', 'lib', 'glib' and 'gio' folders
and then gets one level up until the root path. If this search doesn't
give result then the helper exe is searched using the PATH variable.
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Unfortunately, we may well be likely to need to call RtlGetVersion() via
GetModuleHandle() + GetProcAddress(), so split out the call to RtlGetVersion()
into a private function of its own, so that we can reuse the same code in other
parts of GLib, so that we can:
* Determine better in a more fine-tuned way to determine whether we are on
Windows 10/11 and/or Server 2016/2019/2022, since we need to rely on the
build number.
* Just call RtlGetVersion() once, when needed, as that is all that is needed.
We could re-use the same function once to compare what we got when we
called RtlGetVersion() and do what is necessary there.
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This commit adds a G_DEFINE_EXTENDED_ERROR macro and
g_error_domain_register() functions to register extended error
domains.
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Install a Vectored Exception Handler[0]. Its sole purpose is to catch
some exceptions (access violations, stack overflows, illegal
instructions and debug breaks - by default, but it can be made to catch
any exception for which a code is known) and run a debugger in response.
This allows W32 glib applications to be run without a debugger,
but at the same time allows a debugger to be attached in case
something happens.
The debugger is run with a new console, unless an environment variable
is set to allow it to inherit the console of the crashing process.
The short list of handleable exceptions is there to ensure that
this handler won't run a debugger to "handle" utility exceptions,
such as the one that is used to communicate thread names to a debugger.
The handler is installed to be called last, and shouldn't interfere
with any user-installed handlers.
There's nothing fancy about the way it runs a debugger (it doesn't even
support unicode in paths), and it deliberately avoids using glib code.
The handler will also print a bit of information about the exception
that it caught, and even more information for well-known exceptions,
such as access violation.
The whole scheme is similar to AeDebug[1] and, in fact, the signal-event
gdb command was originally implemented for this very purpose.
[0]: https://docs.microsoft.com/en-us/windows/desktop/debug/vectored-exception-handling
[1]: https://docs.microsoft.com/en-us/windows/desktop/debug/configuring-automatic-debugging
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This commit adds two W32-only environmental variable checks:
* G_WIN32_ALLOC_CONSOLE, if set to 1, will force glib to create
a new console if the process has no console by itself.
This option is for GUI apps that are launched from GUI
processes, in which case there's no console anywhere near them.
* G_WIN32_ATTACH_CONSOLE, if set to a comma-separated list of
standard stream names (stdint, stdout, stderr), will reopen
a given std stream and tie it to the console (using existing console
or parent console).
This works either with the other option (to create a console),
or if the app is launched from a console process (often the
case for developers).
The redirection is done with freopen(), dup() and dup2().
If everything goes well, C file descriptors 0, 1 or 2 will
be bound to stdin, stdout and stderr respectively (only for
streams listed in the envrionmental variable), and so will
be stdio streams by the same names.
With these it's possible to see the output of g_log*() functions
when running GTK4 applications, which are linked as GUI applications,
and thus do not get a console by default.
https://bugzilla.gnome.org/show_bug.cgi?id=790857
Fixes issue #1304
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All glib/*.{c,h} files have been processed, as well as gtester-report.
12 of those files are not licensed under LGPL:
gbsearcharray.h
gconstructor.h
glibintl.h
gmirroringtable.h
gscripttable.h
gtranslit-data.h
gunibreak.h
gunichartables.h
gunicomp.h
gunidecomp.h
valgrind.h
win_iconv.c
Some of them are generated files, some are licensed under a BSD-style
license and win_iconv.c is in the public domain.
Sub-directories inside glib/:
deprecated/: processed in a previous commit
glib-mirroring-tab/: already LGPLv2.1+
gnulib/: not modified, the code is copied from gnulib
libcharset/: a copy
pcre/: a copy
tests/: processed in a previous commit
https://bugzilla.gnome.org/show_bug.cgi?id=776504
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This works by using semi-documented[1] exception to tell the debugger
that a thread needs to have its name changed.
If this exception is not caught and handled by something, it will crash
the process, so we need to set up our own handler in case there's no
debugger attached or the debugger can't handle this type of exception.
Since SEH is not supported by gcc on i686 (at the moment), we need to use VEH
instead. For completeness the MSVC-oriented code still uses SEH, although
there is no reason why it shouldn't work with the VEH variant used by MinGW.
VEH handler has to be set up somewhere (g_thread_win32_init () works nicely)
and removed once it's not needed (g_thread_win32_process_detach () is added
expressly for that purpose). Note that g_thread_win32_process_detach() is
only called when glib is unloaded by FreeLibrary(), not when glib-using
process is terminating.
This exception is known to work with WinDbg, and adding support for it into
GDB proved to be feasible (GDB patch will be sent upstream, eventually).
[1] https://msdn.microsoft.com/en-us/library/xcb2z8hs%28v=vs.71%29.aspx
https://bugzilla.gnome.org/show_bug.cgi?id=747478
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This will be used in the next commit to call glib_init from the
gobject constructor, to ensure proper constructor ordering with
non-GNU libc.
https://bugzilla.gnome.org/show_bug.cgi?id=756139
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This removes a branch from the very frequently called
quark functions.
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Currently g_mem_gc_friendly is declared in both gmem.h and glib-init.h
files, we will have reports on each unit that include these two files.
This patch removes the redundant declaration from glib-init.h
Since g_mem_gc_friendly is related to gmem.h and was first declared in
this header which also exports it via glib.h, then declare it in gmem.h
Other files already include gmem.h: garray.c and gslice.c, no need to
change anything.
Signed-off-by: Djalal Harouni <tixxdz@opendz.org>
https://bugzilla.gnome.org/show_bug.cgi?id=710345
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Now that we use an explicit list of symbols to export, the
G_GNUC_INTERNAL is redundant.
https://bugzilla.gnome.org/show_bug.cgi?id=688681
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Instead of running the GPrivate destructors from our thread proxy code,
run it from the DllMain handler for the DLL_THREAD_DETACH case.
This should ensure that thread-local data is free at the exit of all
threads -- not just the ones we created for ourselves.
https://bugzilla.gnome.org/show_bug.cgi?id=660745
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Move the last few things that needed thread-safe initialisation to a
global ctor.
https://bugzilla.gnome.org/show_bug.cgi?id=660744
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