Unmaps the mapping from the VM space, and returns the number of unmapped pages.

Waits until some interesting events happen since the last wait. This method will fail with [`EINTR`] if interrupted by signals or [`ETIME`] on timeou

Writes u64 to the stack. Returns the writing address.

Writes a `DirEntry` at the current offset. The name is written after the header.

Adds `a` to the counter on the given CPU.

Adds `jiffies` to the original recorded time to update the `CpuClock`.

Allocates a segment of frames. It may allocate directly from this cache. If the cache is empty, it will fill the cache.

Allocates a new block with its bytes initialized to zero.

Allocates a chunk, returning its ID.

Appends one or multiple blocks at the end. This method must be called within a TX. Otherwise, this method panics.

Returns the FPU context as a byte slice.

Encodes the device ID as a `u64` value. The lower 32 bits use the same encoding strategy as Linux. See the Linux implementation at: <https://github.c

Return as a 32-bit integer encoded as specified in wait(2) man page.

Gain access to the BAR space and return None if that BAR is absent.

Builds a new kernel thread without running it immediately.

Returns the capacity of this `CryptoBlob` in bytes.

Checks whether the dentry is a mount point. Returns an error if it is.

Check whether the arguments are valid for read/write operations.

Clear the given bit with zero bit. # Panics The `index` must be within the total number of bits. Otherwise, this method panics.

Clears the dirty flag.

Clone a child thread or child process. FIXME: currently, the child process or thread will be scheduled to run at once, but this may not be the expect

Commits a page at a specific page index. This method may involve I/O operations if the VMO needs to fetch a page from the underlying page cache.

Get the number of one bits in the bitmap.

Creates a new raw log with a new log ID. # Panics This method must be called within a TX. Otherwise, this method panics.

Creates a timer based on the profiling CPU clock of the current thread.

Deallocates a segment of frames. It may deallocate directly to this cache. If the cache is full, it will deallocate to the global pool.

A test case for `DefaultCompactPolicy`. The `commit_times` is used to control the number of `EditGroup` committed.

Unlink a file or remove a directory. Need to delete dentry set and inode. Delete the file contents if delete_content is set.

Evict the data within a specified range from the page cache without persisting them to the backend.

Kills all threads and exits the current POSIX process. # Panics If the current thread is not a POSIX thread, this method will panic.

Duplicates the capability.

Creates a new `Frame<()>` and initializes it with the contents of the `src`. Note that it only duplicates the contents not the metadata.

Enqueues a thread-directed signal with locked dispositions. By locking dispositions, the caller should have already checked the signal is not to be i

Returns the exit code.

Find the index of the first zero bit, starting from the given index (inclusively). Return `None` if no zero bit is found. # Panics The `from` index

Ensure that all committed edits are persisted to disk.

Does futex wake

Returns a mutable reference to the general registers

Retrieves an attribute by its name.

Gets a target value given a key.

Returns a reference to the local APIC instance of the current CPU. The reference to the APIC instance will not outlive the given [`PinCurrentCpu`] gu

Get the scheme given the scheme from the command line arguments.

the item's ident

Init tsc clocksource module.

Component system initialization. It will collect invoke all functions that are marked by init_component based on dependencies between crates. The col