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X11: Improve window handle race condition

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The non-root parent window owned by the WM could be destroyed before we
process the ConfigureNotify event using the cached parent handle.

Bug was found by unmapping a decorated window.

This like all uses of the Xlib error handler is not thread safe and
there is nothing we can do about that short of moving to XCB.

Fixes #1633.
This commit is contained in:
Camilla Löwy
2020-03-19 23:28:21 +01:00
parent 2c8e0512dd
commit e65de2941c
2 changed files with 7 additions and 0 deletions
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README.md
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@@ -175,6 +175,7 @@ information on what to include when reporting a bug.
- [X11] Bugfix: Any IM started after initialization would not be detected
- [X11] Bugfix: Xlib errors caused by other parts of the application could be
reported as GLFW errors
- [X11] Bugfix: A handle race condition could cause a `BadWindow` error (#1633)
- [Wayland] Removed support for `wl_shell` (#1443)
- [Wayland] Bugfix: The `GLFW_HAND_CURSOR` shape used the wrong image (#1432)
- [Wayland] Bugfix: `CLOCK_MONOTONIC` was not correctly enabled