Fix GH-16849: Error dialog causes process to hang #16850
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If `_DEBUG` is set, assertion failures and errors are directed to a debug message window by default[1]. That causes a process to hang, since these dialogs are modal. While we already cater to assertion failures, errors have apparently been overlooked. We choose a minimal fix for BC reasons; although passing `0` as `reportMode` is undocumented, it obviously works fine for a long time. We may consider to improve on this for the `master` branch. [1] <https://learn.microsoft.com/en-us/cpp/c-runtime-library/reference/crtsetreportmode>
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Yep, this fixes the issue I was having 👍🏻 |
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If
_DEBUGis set, assertion failures and errors are directed to a debug message window by default[1]. That causes a process to hang, since these dialogs are modal. While we already cater to assertion failures, errors have apparently been overlooked.We choose a minimal fix for BC reasons; although passing
0asreportModeis undocumented, it obviously works fine for a long time. We may consider to improve on this for themasterbranch.[1] https://learn.microsoft.com/en-us/cpp/c-runtime-library/reference/crtsetreportmode