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TaskAddressSpace

ax_std::os::arceos::thread

Struct TaskAddressSpace 

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pub struct TaskAddressSpace(/* private fields */);
Expand description

Move-only runtime token for one user address space.

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impl TaskAddressSpace

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pub fn new( root: PhysAddr, owner: impl Send + Sync + 'static, ) -> Result<TaskAddressSpace, TaskError>

Creates a scheduler token that owns owner until address-space reap.

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pub fn new_with_task_detach<T>( root: PhysAddr, cpu_state: Arc<AddressSpaceCpuState>, owner: T, detach: fn(&T), ) -> Result<TaskAddressSpace, TaskError>
where T: Send + Sync + 'static,

Creates a scheduler token with task-detach ownership semantics.

detach runs once in ordinary task context after the attached thread has entered lazy kernel-mm state. It may release task-scoped accounting, but owner must keep the hardware page-table root valid until its final drop after all active-CPU leases have drained.

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pub fn new_managed<T>( root: PhysAddr, cpu_state: Arc<AddressSpaceCpuState>, owner: T, ) -> Result<TaskAddressSpace, TaskError>
where T: UserAddressSpaceOwner + 'static,

Creates a task token backed by an OS-owned MM lifecycle. Allocation occurs here in task context, before scheduler publication.

Trait Implementations§

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impl Drop for TaskAddressSpace

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fn drop(&mut self)

Executes the destructor for this type. Read more
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fn pin_drop(self: Pin<&mut Self>)

🔬This is a nightly-only experimental API. (pin_ergonomics)
Execute the destructor for this type, but different to Drop::drop, it requires self to be pinned. Read more

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