http://www.macnn.com/articles/00/12/18/packages.adds/
Packages adds pre-emptive threading to Mac OS
updated 09:21 am EST, Mon December 18, 2000
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Jonathan Rentzsch has posted Red Shed Threads, which gives developers the ability to add pre-emptive threading to the classic Mac OS. The complete threads package contains everything from a low-level context switcher to a high-level threaded Open Transport wrapper and runs natively on a Mac II running System 7 as well as a G4 running Mac OS X: "Preemptive threading can result in huge speed gains and greater user satisfaction...The threaded File Manager wrapper included with Red Shed Threads was tested to be over 400% faster than the Thread Manager at copying files." An unlimited license is $1,025.A FAQ has more details. [MacTech]
