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Pedigree

detcore_model::pedigree

Struct Pedigree 

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pub struct Pedigree { /* private fields */ }
Expand description

Unbounded bitstring representation of process pedigree (i.e. tree path or tree index) which can be forked and converted to a deterministic virtual PID.

As a binary tree-index, a Pedigree can be viewed as a series of “left”/“right” directions for how to navigate the tree. Therefore a zero-length Pedigree refers to the root. For convenience, we refer to “parent/child” rather than “left/right”, following the normal conventions of process or thread forking. Note that this pedigree datatype does not represent “joins” within a set of running processes, nor does it otherwise represent dependencies or “happens before” edges.

TODO: Add serialization / deserialization

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impl Pedigree

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pub fn new() -> Self

Create a new root pedigree representing the top of a tree of processes or threads.

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pub fn fork(&self) -> (Self, Self)

Split a pedigree into a pedigree for the two execution points after the fork: (parent,child). I.e. both tree-paths returned are one level deeper from the root than the input was.

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pub fn fork_mut(&mut self) -> Self

Fork a pedigree, destructively. Mutates parent pedigree, returns new child pedigree.

Since parent pedigree is being copied to the child, this function will have O(n) complexity with respect to pedigree length.

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pub fn raw(&self) -> BitVec

Get pedigree’s inner BitVec representation

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impl Clone for Pedigree

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fn clone(&self) -> Pedigree

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Pedigree

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Default for Pedigree

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fn default() -> Pedigree

Returns the “default value” for a type. Read more
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impl<'de> Deserialize<'de> for Pedigree

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl Display for Pedigree

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fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter. Read more
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impl Serialize for Pedigree

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl TryFrom<&Pedigree> for i32

Attempts to convert the pedigree bitstring into a deterministic virtual PID

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(pedigree: &Pedigree) -> Result<Self, Self::Error>

Performs the conversion.
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impl TryFrom<&Pedigree> for Pid

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type Error = Error

The type returned in the event of a conversion error.
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fn try_from(pedigree: &Pedigree) -> Result<Self, Self::Error>

Performs the conversion.

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impl<T> Any for T
where T: 'static + ?Sized,

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Gets the TypeId of self. Read more
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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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where Self: Display,

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where Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted.
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where Self: Octal,

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Causes self to use its UpperExp implementation when Debug-formatted.
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