Michael Olbrich 19a6742fc2 gdbusconnection: don't cache G_IO_ERROR_CANCELLED errors
It can cause failures for shared connection objects.

What can currently happen is this:
1. A user starts to asynchronously create a proxy object
2. A user starts to asynchronously create another proxy object

At this point, the asynchronous initialization for the two proxy objects
share the not yet initialized connection object.

3. While the shared connection objected is created, the user cancels the
   creation with the supplied cancellable from the fist proxy object.
4. initable_init caches the canceled error and marks the connection as
   initialized.
5. The initialization of the second proxy object fails with the same
   canceled error.

To avoid this, clear the error in this case and destroy any member
variables that may have been created before the creation was canceled.

This way, the initialization of the second proxy object will restart the
connection initialization and with probably succeed.

Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
2023-12-11 14:17:14 +00:00
2023-12-03 22:48:47 +00:00
2023-10-23 11:26:53 +01:00
2023-07-30 17:03:07 +04:00
2023-11-27 16:26:55 +00:00
2019-11-21 14:03:01 -06:00
2021-10-28 14:47:53 +01:00
2022-05-11 13:02:49 +01:00
2023-09-08 14:42:18 +01:00

GLib

GLib is the low-level core library that forms the basis for projects such as GTK and GNOME. It provides data structure handling for C, portability wrappers, and interfaces for such runtime functionality as an event loop, threads, dynamic loading, and an object system.

The official download locations are: https://download.gnome.org/sources/glib

The official web site is: https://www.gtk.org/

Installation

See the file INSTALL.md. There is separate and more in-depth documentation for building GLib on Windows.

Supported versions

Upstream GLib only supports the most recent stable release series, the previous stable release series, and the current development release series. All older versions are not supported upstream and may contain bugs, some of which may be exploitable security vulnerabilities.

See SECURITY.md for more details.

Documentation

API documentation is available online for GLib for the:

Discussion

If you have a question about how to use GLib, seek help on GNOMEs Discourse instance. Alternatively, ask a question on StackOverflow and tag it glib.

Reporting bugs

Bugs should be reported to the GNOME issue tracking system. You will need to create an account for yourself. You may also submit bugs by e-mail (without an account) by e-mailing incoming+gnome-glib-658-issue-@gitlab.gnome.org, but this will give you a degraded experience.

Bugs are for reporting problems in GLib itself, not for asking questions about how to use it. To ask questions, use one of our discussion forums.

In bug reports please include:

  • Information about your system. For instance:
    • What operating system and version
    • For Linux, what version of the C library
    • And anything else you think is relevant.
  • How to reproduce the bug.
    • If you can reproduce it with one of the test programs that are built in the tests/ subdirectory, that will be most convenient. Otherwise, please include a short test program that exhibits the behavior. As a last resort, you can also provide a pointer to a larger piece of software that can be downloaded.
  • If the bug was a crash, the exact text that was printed out when the crash occurred.
  • Further information such as stack traces may be useful, but is not necessary.

Contributing to GLib

Please follow the contribution guide to know how to start contributing to GLib.

Patches should be submitted as merge requests to gitlab.gnome.org. If the patch fixes an existing issue, please refer to the issue in your commit message with the following notation (for issue 123):

Closes: #123

Otherwise, create a new merge request that introduces the change. Filing a separate issue is not required.

Description
Low-level core library that forms the basis for projects such as GTK+ and GNOME.
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