fixes intermittent #8616
This intermittent indicates real problem in code.
Lets consider such code:
```javascript
// timer 1
setTimeout(function() {
//timer 2
setTimeout(function() {}, 0);
}, 0);
```
When we receive event to fire timer 1 it will be selected and extracted from active timers list in fire_timer function. During timer 1 handler execution we will schedule timer 2 and request timer event for it. But it will be executed during same fire_timer call because of 0 timeout. And as a result we will have empty timers list and expecting event for timer 2 that will crash in assert.
I'm not sure that all I've written is clear, but we have something like this:
```
install timer 1 -> [1] in timers list
push and expect timer event 1 -> expected_event=1
received timer event 1
fire_timer()
select timer 1 to execute -> [] in timers list
execute timer 1 handler
install timer 2 -> [2] in timers list
push and expect timer event 2 -> expected_event=2
select timer 2 to execute (because of 0 timeout) -> [] in tiemrs list
execute timer 2 handler
expected_event=2 is dangling
received timer event 2
fire_timer() -> BOOM
```
Source-Repo: https://github.com/servo/servo
Source-Revision: b32128e299212065d298b19106b9b7db970c2f23
I screwed up the rebase on top of #8175; sorry to waste your time with this, @jdm. :(
Source-Repo: https://github.com/servo/servo
Source-Revision: d11442bdcccf4002cdb84e85fe726130047a2b07
Alright, this is it. Finally the fix for #3396. :D
I'll add two comments via reviewable in a second.
Source-Repo: https://github.com/servo/servo
Source-Revision: df81cd7ce9de4823ad966f873639ed06ca368e4c
`ActiveTimers.set_timeout_or_interval` asserts that the pipeline is not currently frozen. Apparently that is too strict. When pending network requests complete after a pipeline is frozen, scripts may be executed and a timer scheduled.
With these changes scheduling a timer while the pipeline is frozen behaves as if the timer was scheduled at the time the pipeline was frozen.
To reproduce the panic
1. `./mach run -r http://google.com`,
2. immediately click on any link and
3. wait for the panic.
Source-Repo: https://github.com/servo/servo
Source-Revision: f74754f582fa8126eacb1fa423cd9db2325d8621
This is an rough solution to the issue described in #3396. XHRs still do their own thing and an overall clean up is in order. Before I do that, though, I'd really like someone to sign off on the overall idea.
There's one major difference to what jdm layed out #3396: The timers remain with the window/worker and only the earliest expiring one is coordinated with the dedicated timer thread.
That means both the timer thread and the window/worker have to keep track of which timer expires next, which feels a bit wonky. However, the upshot is that there's no need for communication with the timer thread when a pipeline is frozen, thawed or dropped.
Most relvant parts are
- the [`TimerScheduler`](6f5f661958 (diff-74137a6f50ab38e7a1e4d16920a66ce7R73)), which is the new per-constellation timer task and
- the [`ActiveTimers`](6f5f661958 (diff-86707d952414a2860b78bcf6c1db8e2eR34)) which is what's left on the window/worker side.
Source-Repo: https://github.com/servo/servo
Source-Revision: 2de5407cdabef67ed03b2ad4edf4a22541d77875
Still need to finish the rust-mozjs update and make cargo use it, but it's close enough that I don't expect much to change on the servo side.
Some changes here
- bools are properly translated now
- char16_t is handled as u16 now
- JS_GlobalObjectTraceHook isn't mangled now
- JSJitInfo has been adjusted
- A const fn is used to generate bitfields in JSJitInfo
- Manually generating handles now requires calling an unsafe function. It's not actually required, but it's too much of a hassle to generate them manually now due to bindgen++ adding base classes now.
Source-Repo: https://github.com/servo/servo
Source-Revision: b34fd5bd7e55be1d577df5cf70b41af8a6cc716b
This is a direct extract from my abandoned PR for a lint (#7546), along with some rather clumsy modifications (only on `components/script/dom/mod.rs` and `components/style/lib.rs`), because I had to sort some of the files again to make peace with tidy, which hasn't been educated about sorting yet!
Source-Repo: https://github.com/servo/servo
Source-Revision: a7208869f2903e36f9b2f540b55b50283d7df466
The integration is off by default for now. You can try it out with `./mach build --features "script/plugins/clippy"`.
We're using a branch of clippy with some of the lints changed to Allow, either because they don't apply to us, or because they're noisy and dwarf other warnings (but still should be fixed)
After going through the rest of Servo's warnings I'll figure out which lints we should be keeping.
There's a cargo bug with optional deps that makes it hard for this to work with Cargo.lock -- so this PR contains no changes to lockfiles (and running the build with clippy on may dirty the lockfile, though it gets fixed later)
Source-Repo: https://github.com/servo/servo
Source-Revision: 50e1c967e4299c1515575f73d407f5f6b977d818
and `for foo in bar.iter_mut(), and for foo in bar.into_iter()
(continuation of #7197)
Source-Repo: https://github.com/servo/servo
Source-Revision: 0d6d6a05009606dfbbfc9765d7dc2c745c18f6a5
Expands on the work by @wilmoz and cleans up the existing errors. Closes#7180. Closes#7111.
Source-Repo: https://github.com/servo/servo
Source-Revision: e74825f9fde8e222f4ba9bb24b2c2a3864c73e5f
... for #3734, which is also one of the oldest issues. (/cc @jdm)
Source-Repo: https://github.com/servo/servo
Source-Revision: 6a52ec94840fbaf43a29d76879e2b59542a9963d
…s for frame treese in script tasks.
This underreports by a significant amount, since only Document, Window and CharacterData (ie. text) nodes are fully represented. That being said, every HTML element in the tree is measured, but only counted as a Node. It's easy to improve this, it just requires adding the appropriate HeapSizeOf derives and increasing the granularity of `measure_memory_for_eventtarget`. google.com shows a dom-tree value of 0.24 MB for me at the moment.
r? @nnethercote
Source-Repo: https://github.com/servo/servo
Source-Revision: 84e25befdd97cf74fb00707dbe150d59d980e977
fixes#6524. I had to make an additional change not mentioned in the ticket - adding the `#[feature]` to enable deriving custom traits but I assume that's expected at this time.
Source-Repo: https://github.com/servo/servo
Source-Revision: bbb39082e0f640400546d2084a450a8675820a82
> Here it is.
>
> ~~There's two major things that are unfinished here:~~
> - ~~Dealing with the unroot_must_root lint. I'm not sure about the value of this lint with the new rooting API.~~ Done.
> - ~~Updating the Cargo.locks to point to the new SM and SM binding.~~ Done.
>
> I also included my fixes for the rust update, but these will disappear in a rebase. A rust update is necessary to support calling `Drop` on `Heap<T>` correctly when `Heap<T>` is inside a `Rc<T>`. Otherwise `&self` points to the wrong location.
>
> Incremental GC is disabled here. I'm not sure how to deal with the incremental barriers so that's left for later.
>
> Generational GC works. SM doesn't work without it.
>
> The biggest change here is to the rooting API. `Root` was made movable, and `Temporary` and `JSRef` was removed. Movable `Root`s means there's no need for `Temporary`, and `JSRef`s aren't needed generally since it can be assumed that being able to obtain a reference to a dom object means it's already rooted. References have their lifetime bound to the Roots that provided them. DOM objects that haven't passed through `reflect_dom_object` don't need to be rooted, and DOM objects that have passed through `reflect_dom_object` can't be obtained without being rooted through `native_from_reflector_jsmanaged` or `JS::<T>::root()`.
>
> Support for `Heap<T>` ended up messier than I expected. It's split into two commits, but only because it's a bit difficult to fold them together. Supporting `Heap<T>` properly requires that that `Heap::<T>::set()` be called on something that won't move. I removed the Copy and Clone trait from `Heap<T>` so `Cell` can't hold `Heap<T>` - only `UnsafeCell` can hold it.
>
> `CallbackObject` is a bit tricky - I moved all callbacks into `Rc<T>` in order to make sure that the pointer inside to a `*mut JSObject` doesn't move. This is necessary for supporting `Heap<T>`.
>
> `RootedCollectionSet` is very general purpose now. Anything with `JSTraceable` can be rooted by `RootedCollectionSet`/`RootedTraceable`. Right now, `RootedTraceable` is only used to hold down dom objects before they're fully attached to their reflector. I had to make a custom mechanism to dispatch the trace call - couldn't figure out how to get trait objects working for this case.
>
> This has been tested with the following zeal settings:
>
> GC after every allocation
> JS_GC_ZEAL=2,1
>
> GC after every 100 allocations (important for catching use-after-free bugs)
> JS_GC_ZEAL=2,100
>
> Verify pre barriers
> JS_GC_ZEAL=4,1
>
> Verify post barriers
> JS_GC_ZEAL=11,1
Source-Repo: https://github.com/servo/servo
Source-Revision: e7808c526c348fea5e3b48af70b7f1a066652097
Adds free/thaw methods to script_task that let you send suspend/resume messages to web content timers. Fixes#4907
Source-Repo: https://github.com/servo/servo
Source-Revision: a3ea3eed47713a4a6faa86c575bc2ac95c5fe135
Ready for review.
Final link step on android fails, but we know how to fix it and will add it to this branch soon.
Source-Repo: https://github.com/servo/servo
Source-Revision: 2cc08f289ab909de44fa09a07b2c43b70ce379b9
--HG--
rename : servo/ports/gonk/build.rs => servo/support/rust-task_info/build.rs
This used to conflict with the util crate from the standard library, which
has long since been removed.
The import in layout has not been changed because of a conflict with the
util mod there.
Source-Repo: https://github.com/servo/servo
Source-Revision: 27e0f16407629422b5e047e067d458142372c97e
IntoString has been removed from Rust, and named() will take a String, so
there is no good reason to do otherwise here.
Source-Repo: https://github.com/servo/servo
Source-Revision: 8df0ee2bb5d40e4b22db1666982e2e5ea36513f6
Rebased version of #4399 that addresses points 2 & 5 from https://critic.hoppipolla.co.uk/showcomment?chain=9848 . Introduction of an AutoJSAPI equivalent and setting the error reporter to null will come later, as they are much larger changes and we're currently blocking any further updates to rust-mozjs that are unrelated to error reporting.
Source-Repo: https://github.com/servo/servo
Source-Revision: 4bb5822f9189b7c04101ba2fdfc99535ecd4bc27
As a first start, this allows them indiscriminately where used.
Source-Repo: https://github.com/servo/servo
Source-Revision: f74d5360ba30ec7aaa12f675eb267fd11053d8a8
This replaces the specialized TrustedXHRAddress and TrustedWorkerAddress code that was used for the same purpose. A non-zero refcount pins the given DOM object's reflector and prevents it from being GCed even when there are no other outstanding references visible to SpiderMonkey. This will enable us to implement asynchronous operations that refer to particular DOM objects (such as "queue a task to fire a simple event named load at the iframe element" from the spec) safely and conveniently, and paves the way for things like asynchronous network responses.
Some concerns about the resulting size of XHR progress messages have been expressed, but I believe optimizations to reduce that can be implemented in subsequent PRs.
r? @Ms2ger - note in particular the changes to the worker lifetime code. I couldn't figure out how to achieve an identical lifetime to the previous addref/release pairing, and I also was having trouble figuring out why the existing setup was safe. The new implementation now holds the main script task Worker object alive via the TrustedWorkerAddress field in the dedicated worker global scope, which is a significant difference.
Source-Repo: https://github.com/servo/servo
Source-Revision: 2c259f477c41331e66beab8bda865971982a1ff4
Created an `IsInterval` enum to improve readability and remove the need for `true // is_interval`
I'm still fairly new to rust. I briefly looked for a way to implement boolean comparisons of the enum but didn't figure out a way.
Also I'm not attached to any of the names. Let me know what I can fix :)
Source-Repo: https://github.com/servo/servo
Source-Revision: 90007ee781e53f65344a24a0bdbeb86d5c0fe065
#3050
Altough LayoutDataRef is touched from layout, we don't use DOMRefCell in it becasuse
it's expected to manipulate in layout task.
Source-Repo: https://github.com/servo/servo
Source-Revision: f5e8df9dac9330f2818906c471ed05f5975828c6
