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Alex Rivera
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The title might not be clear enough because I don't know how to define my questions actually. I understand Pthread is a thread library meeting POSIX standard (about POSIX, see wikipedia: http://en.wikipedia.org/wiki/Posix ). It is available in Unix-like OS. About thread, I read that there are three different models: User level thread: the kernel does not know it. User himself creates/implements/destroy threads. Kernel level thread: kernel directly supports multiple threads of control in a process. Light weight process(LWP): scheduled by kernel but can be bounded with user threads. Did you see my confusion? When I call pthread_create() to create a thread, did I create a user level thread? I guess so. So can I say, Pthread offers a user level solution for threads? It can not manipulate kernel/LWP?
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