Zoltan Papp 9ba067391f [client] Fix semaphore slot leaks (#5018) ...

- Remove WaitGroup, make SemaphoreGroup a pure semaphore
- Make Add() return error instead of silently failing on context cancel
- Remove context parameter from Done() to prevent slot leaks
- Fix missing Done() call in conn.go error path

2026-01-03 09:10:02 +01:00

2.0 KiB

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