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An in-memory RNG that shares its file descriptor.

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Alan Jeffrey 2017-01-05 13:51:53 +00:00
parent 143dfc879e
commit 7ace30f9bd
15 changed files with 203 additions and 23 deletions
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6
components/constellation/constellation.rs
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@ -93,7 +93,6 @@ use offscreen_gl_context::{GLContextAttributes, GLLimits};
use pipeline::{InitialPipelineState, Pipeline};
use profile_traits::mem;
use profile_traits::time;
use rand::{Rng, SeedableRng, StdRng, random};
use script_traits::{AnimationState, AnimationTickType, CompositorEvent};
use script_traits::{ConstellationControlMsg, ConstellationMsg as FromCompositorMsg};
use script_traits::{DocumentState, LayoutControlMsg, LoadData};
@ -104,6 +103,7 @@ use script_traits::{MozBrowserErrorType, MozBrowserEvent, WebDriverCommandMsg, W
use script_traits::{SWManagerMsg, ScopeThings, WindowSizeType};
use servo_config::opts;
use servo_config::prefs::PREFS;
use servo_rand::{Rng, SeedableRng, ServoRng, random};
use servo_remutex::ReentrantMutex;
use servo_url::ServoUrl;
use std::borrow::ToOwned;
@ -276,7 +276,7 @@ pub struct Constellation<Message, LTF, STF> {
/// The random number generator and probability for closing pipelines.
/// This is for testing the hardening of the constellation.
random_pipeline_closure: Option<(StdRng, f32)>,
random_pipeline_closure: Option<(ServoRng, f32)>,
/// Phantom data that keeps the Rust type system happy.
phantom: PhantomData<(Message, LTF, STF)>,
@ -530,7 +530,7 @@ impl<Message, LTF, STF> Constellation<Message, LTF, STF>
handled_warnings: VecDeque::new(),
random_pipeline_closure: opts::get().random_pipeline_closure_probability.map(|prob| {
let seed = opts::get().random_pipeline_closure_seed.unwrap_or_else(random);
let rng = StdRng::from_seed(&[seed]);
let rng = ServoRng::from_seed(&[seed]);
warn!("Randomly closing pipelines.");
info!("Using seed {} for random pipeline closure.", seed);
(rng, prob)