41 lines
1 KiB
Text
41 lines
1 KiB
Text
globally there are:
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an id-list of processes
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an id-list of threads
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a queue of paused threads
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a single running thread
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a paused thread is a thread that can run, but isn't.
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a thread that is not running and is not paused is in a blocking syscall.
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each process has:
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a process id
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a list of threads
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a list of open file streams
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a list of open socket stream ends
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a list of running socket listeners
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a list of environment variables (pairs of strings)
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a thread has:
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an owning process
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optionally:
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a stream end it is waiting to read from
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a socket listener it is waiting to accept a connection from
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a socket listener it is waiting to connect to
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if not running:
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saved cpu state
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a socket has:
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two queues
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an open socket stream end has:
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a list of threads waiting to read from it
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the socket
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its input queue
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its output queue
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if the other side is open:
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the other process
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the other stream end
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a running socket listener has:
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a list of threads waiting to accept a connection from it
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a list of threads waiting to connect to it
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