FreeNAS/freenas 85de38fsrc/middlewared/middlewared main.py, src/middlewared/middlewared/utils lock.py

Merge pull request #2440 from freenas/issues/69339

tkt-69339: feat(middlewared): add a semaphore for calls within the same connection
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+25-0src/middlewared/middlewared/utils/lock.py
+11-1src/middlewared/middlewared/main.py
+36-12 files

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