On dinsdag, sep 16, 2003, at 15:34 Europe/Brussels, Marco van de Voort wrote:
This has nothing to do with unix <-> BeOS. For example, Solaris is definitely Unix and also uses the concept of light weight processes.
Light weight processes are a Unix feature.
Not all Unixes have light weight processes. Note that "light weight process" has nothing to do with whether or not it is cheap to start a new process on a particular OS.
(heavy and cheap are relative to the other) Windows -> heavy processes, cheap threads. Unix -> cheap processes, expensive threads
That is a vast over-generalisation. All unixes most definitely do not have expensive threads, in fact in several of them a process is always layered over a thread.
Jonas
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