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Make kaocha.jit/jit thread-safe #453

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Make kaocha.jit/jit thread-safe #453

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1 change: 1 addition & 0 deletions CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@
## Fixed

- Fix beholder watch functionality that would cause a NullPointerException earlier.
- Make `kaocha.jit/jit` thread-safe in Clojure 1.10+. For lower versions, best effort with printed warning.

## Changed

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7 changes: 6 additions & 1 deletion src/kaocha/jit.clj
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Expand Up @@ -4,5 +4,10 @@
"Just in time loading of dependencies."
[sym]
`(do
(require '~(symbol (namespace sym)))
(locking ~(if (find-var 'clojure.core/requiring-resolve)
'clojure.lang.RT/REQUIRE_LOCK
(do (binding [*err* *out*]
(println "WARNING: kaocha.jit is not thread-safe before Clojure 1.10"))
::lock))
(require '~(symbol (namespace sym))))
(find-var '~sym)))
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