[8.x](backport #42062) refactor: drop ensurewriter wrapper #42174
+7
−110
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Proposed commit message
stdlib properly handles EAGAIN and EINTR so there is no need for the extra wrapper and duplicate handling
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CHANGELOG.next.asciidoc
orCHANGELOG-developer.next.asciidoc
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This is an automatic backport of pull request #42062 done by [Mergify](https://mergify.com).