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Lessen pressure on the thread-local RNG

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When loading HTTP requests, initialise the request ID only if devtools
are used, to lessen the pressure put on the RNG initialisation.

This tentatively fixes #11100 on OS X.
This commit is contained in:
Anthony Ramine 2016-08-16 10:11:33 +02:00
parent cb01d37338
commit 6cc862d0c6
3 changed files with 16 additions and 12 deletions
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9
components/net/fetch/methods.rs
View file

@ -34,6 +34,7 @@ use std::fs::File;
use std::io::Read;
use std::iter::FromIterator;
use std::mem::swap;
use std::ops::Deref;
use std::rc::Rc;
use std::sync::mpsc::{channel, Sender, Receiver};
use unicase::UniCase;
@ -952,7 +953,9 @@ fn http_network_fetch(request: Rc<Request>,
let url = request.current_url();
let cancellation_listener = CancellationListener::new(None);
let request_id = uuid::Uuid::new_v4().simple().to_string();
let request_id = devtools_chan.as_ref().map(|_| {
uuid::Uuid::new_v4().simple().to_string()
});
// XHR uses the default destination; other kinds of fetches (which haven't been implemented yet)
// do not. Once we support other kinds of fetches we'll need to be more fine grained here
@ -962,7 +965,7 @@ fn http_network_fetch(request: Rc<Request>,
&request.headers.borrow(),
&cancellation_listener, &request.body.borrow(), &request.method.borrow(),
&request.pipeline_id.get(), request.redirect_count.get() + 1,
&devtools_chan, &request_id, is_xhr);
request_id.as_ref().map(Deref::deref), is_xhr);
let pipeline_id = request.pipeline_id.get();
let mut response = Response::new();
@ -996,7 +999,7 @@ fn http_network_fetch(request: Rc<Request>,
// Send an HttpResponse message to devtools with the corresponding request_id
if let Some(pipeline_id) = pipeline_id {
send_response_to_devtools(
&sender, request_id.into(),
&sender, request_id.unwrap(),
meta_headers.map(Serde::into_inner),
meta_status.map(Serde::into_inner),
pipeline_id);