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David Reiss 6e348f3910 refactor: minor UnixFd cleanups (#376)
* chore: Use std::exchange in UnixFd

This was suggested in code review for #376 .

* fix: Protect against UnixFd self-assignment

While self-assignment is rare, it is expected to be safe.  Add a check
to prevent putting the object in an invalid state.

* fix: Improve hygiene around dup system call

- Don't try to call dup on a negative value.
- Check dup return code and throw if it fails, rather than returning an
  empty UnixFd object.

* chore: Move UnixFd::close to Types.cpp

Minor convenience for applications: unistd.h doesn't have to be included
in the public header.

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Co-authored-by: David Reiss <dreiss@meta.com>
2023-11-18 18:11:00 +01:00
..
2022-07-05 18:10:05 +02:00
2022-07-05 18:10:05 +02:00
2023-11-18 18:11:00 +01:00