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Multicore safety protect shared mutable state with mutexes and atomics#2397

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balat wants to merge 17 commits intoeiomirage/irmin:eiofrom

multicore-safetymirage/irmin:multicore-safetyCopy head branch name to clipboard

Conversation Commits17 (17)Checks Files changed

Open

Multicore safety protect shared mutable state with mutexes and atomics#2397
balat wants to merge 17 commits intoeiofrom
multicore-safety

Commits

Commits on Apr 15, 2026

Use Atomic.t for suffix and prefix fields in file_manager

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Protect dict hashtables with a mutex

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Protect append-only file buffer with a mutex

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Use Atomic.t for Inventory.chunks in chunked_suffix

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Fix TOCTOU on during_batch and running_gc checks

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ocamlformat

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Prevent deadlock when calling GC or split from batch callback

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Replace global refs with Atomic.t in watch.ml

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Protect IO_mem global hashtables with a mutex in irmin_fs

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Protect in-memory store cache with a mutex in irmin_mem

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Remove unused Mutate constructor from Metrics.update_mode

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Remove redundant | e -> raise e exception re-raises

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Update outdated Lwt reference in indexable_intf.ml doc

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Update outdated Lwt monad reference in node_intf.ml doc

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Update irmin.mli examples from Lwt to direct-style

balat
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Improve watch.ml comments and error message

balat
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ocamlformat
balat
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