ECKIT-687: Don't retry forever in DblBuffer on RestartTransfer except…

[simondsmart]

…ions

Description

Contributor Declaration

By opening this pull request, I affirm the following:

• All authors agree to the Contributor License Agreement.
• The code follows the project's coding standards.
• I have performed self-review and added comments where needed.
• I have added or updated tests to verify that my changes are effective and functional.
• I have run all existing tests and confirmed they pass.

🌦️ >> Documentation << 🌦️
https://sites.ecmwf.int/docs/dev-section/eckit/pull-requests/PR-298

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[codecov-commenter]

Codecov Report

❌ Patch coverage is 0% with 11 lines in your changes missing coverage. Please review.
✅ Project coverage is 66.43%. Comparing base (c90f85c) to head (e2f3c40).
⚠️ Report is 15 commits behind head on develop.

Files with missing lines	Patch %	Lines
src/eckit/io/DblBuffer.cc	0.00%	6 Missing ⚠️
src/eckit/io/MoverTransfer.cc	0.00%	5 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #298      +/-   ##
===========================================
- Coverage    66.46%   66.43%   -0.03%     
===========================================
  Files         1128     1128              
  Lines        57844    57855      +11     
  Branches      4408     4409       +1     
===========================================
- Hits         38446    38436      -10     
- Misses       19398    19419      +21     

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