# AOLserver Multithreaded Tcl

- ## AOLserver extends and patches Tcl 8.2 with:

  - Commands for creating, joining, and synchronizing threads
  - Commands for sharing “variables” (files are harder)
  - A zippy cool replacement for the memory allocator
  - Compile time patches for thread unsafe routines (e.g, -Dreaddir=ns_readdir)

- ##

- ## In addition, AOLserver addresses a basic problem of multithreaded Tcl - nearly seamless multithreaded interpreter initialization

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