prevent pipes left open when using `callProcessAndCollectOutput`

Steffen Michelsrequested to merge
fixCallCollect into main

What does this MR do?

This fixes bad file descriptor errors when callProcessAndCollectOutput is used repeatedly in the same process.

Related issues

Changes to public APIs

Author's checklist (required)

See CONTRIBUTING.md for the rationale behind these items:

  • The commit history does not contain merges (use git rebase -i master if it does)
  • Intermediate commits compile (use git rebase -i master if not)
  • Newly added code follows the Platform code style
  • Newly added code is documented
  • If bugs have been solved, tests have been added
  • Appropriate types have been used, especially in APIs
  • If efficiency is part of the acceptance criteria of the issue, a benchmark is provided
  • A changelog entry has been added if required. See CONTRIBUTING.md
Edited by Steffen Michels

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