AI & Computingarticle2026-09-08

DllMain and the Loader Lock — The Real Reason You Are Told to "Do Nothing in DLL Initialization" (archived 2026-09-08)

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Abstract

Why DllMain must not call LoadLibrary or wait on threads: the loader lock serializes DLL notifications, typical deadlocks, deferred initialization, and hang investigation. Archived version of https://comcomponent.com/en/blog/dllmain-loader-lock/, as published on 2026-09-08. The live article is maintained and may change after this date. First published 2026-08-22.

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View paper (DOI)Open access versionOpenAlexZenodo (CERN European Organization for Nuclear Research)Published 2026-09-08

Authors: Go Komura

Institutions: Fujikura (United States)