[issue4804] Python on Windows disables all C runtime library assertions

[Kristján Valur Jónsson]

Kristján Valur Jónsson <kristjan at ccpgames.com> added the comment:

Btw,
It occurred to me that a more gentle way to do this is to disable the functionality only around close().
This is far less intrusive, for example, in an embedded environment.
I must confess that I had completely forgototten about the disabling of the assertion and only stumbled on this recently when I was trying to find out why none of my _ASSERTS in eve worked!  Making wholesale CRT settings certainly should be avoided.

So, as I said, we could very well avoid this by just wrapping a few instances of close() with a CrtSetErrorHandler calls and friends.  With the caveat that these are not threadsafe, that is, it is a process global setting for the CRT.  But toggling it during a limited scope surely is less intrusive than modifying it for the entire process permanently.

Kristján

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<http://bugs.python.org/issue4804>
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