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9ac4e51224
Instead of handles / capabilities having numeric ids that are only valid for the owning process, they are now global in a system capabilities table. This will allow for specifying capabilities in IPC that doesn't need to be kernel-controlled. Processes will still need to be granted access to given capabilities, but that can become a simpler system call than the current method of sending them through mailbox messages (and worse, having to translate every one into a new capability like was the case before). In order to track which handles a process has access to, a new node_set based on node_map allows for an efficient storage and lookup of handles.
31 lines
791 B
Modula-2
31 lines
791 B
Modula-2
import "objects/object.def"
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# Processes are a collection of handles and a virtual memory
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# space inside which threads are run.
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object process : object {
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uid 0c69ee0b7502ba31
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capabilities [
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kill
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create_thread
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]
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# Create a new empty process
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method create [constructor]
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# Stop all threads and exit the given process
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method kill [destructor cap:kill]
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# Stop all threads and exit the current process
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method exit [static noreturn] {
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param result int32 # The result to retrun to the parent process
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}
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# Give the given process a handle that points to the same
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# object as the specified handle.
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method give_handle {
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param target ref object [handle] # A handle in the caller process to send
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}
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}
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