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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.
51 lines
1.4 KiB
Modula-2
51 lines
1.4 KiB
Modula-2
import "objects/object.def"
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import "objects/channel.def"
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import "objects/event.def"
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import "objects/mailbox.def"
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import "objects/process.def"
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import "objects/system.def"
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import "objects/thread.def"
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import "objects/vma.def"
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interface syscalls [syscall] {
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uid 01d9b6a948961097
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expose ref object
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expose ref system
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expose ref event
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expose ref process
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expose ref thread
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expose ref mailbox
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expose ref channel
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expose ref vma
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# Simple no-op syscall for testing
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function noop
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# Write a message to the kernel log
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function log {
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param message string
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}
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# Get a list of handles owned by this process. If the
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# supplied list is not big enough, will set the size
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# needed in `size` and return j6_err_insufficient
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function handle_list {
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param handles struct handle_descriptor [list inout zero_ok] # A list of handles to be filled
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}
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# Create a clone of an existing handle, possibly with
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# some capabilities masked out.
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function handle_clone {
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param orig ref object [handle cap:clone] # The handle to clone
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param clone ref object [out] # The new handle
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param mask uint32 # The capability bitmask
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}
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# Testing mode only: Have the kernel finish and exit QEMU with the given exit code
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function test_finish [test] {
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param exit_code uint32
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}
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}
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