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Reintroduce parent runtimes for worker threads.

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This commit is contained in:
Josh Matthews 2018-12-02 14:58:15 -05:00
parent 644101e1e4
commit 367014a4ea
7 changed files with 49 additions and 14 deletions
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19
components/script/script_runtime.rs
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@ -43,6 +43,7 @@ use js::rust::wrappers::{GetPromiseIsHandled, GetPromiseResult};
use js::rust::Handle;
use js::rust::IntoHandle;
use js::rust::JSEngine;
use js::rust::ParentRuntime;
use js::rust::Runtime as RustRuntime;
use malloc_size_of::MallocSizeOfOps;
use msg::constellation_msg::PipelineId;
@ -329,9 +330,23 @@ lazy_static! {
}
#[allow(unsafe_code)]
pub unsafe fn new_rt_and_cx() -> Runtime {
pub unsafe fn new_child_runtime(parent: ParentRuntime) -> Runtime {
new_rt_and_cx_with_parent(Some(parent))
}
#[allow(unsafe_code)]
pub fn new_rt_and_cx() -> Runtime {
unsafe { new_rt_and_cx_with_parent(None) }
}
#[allow(unsafe_code)]
unsafe fn new_rt_and_cx_with_parent(parent: Option<ParentRuntime>) -> Runtime {
LiveDOMReferences::initialize();
let runtime = RustRuntime::new(JS_ENGINE.clone());
let runtime = if let Some(parent) = parent {
RustRuntime::create_with_parent(parent)
} else {
RustRuntime::new(JS_ENGINE.clone())
};
let cx = runtime.cx();
JS_AddExtraGCRootsTracer(cx, Some(trace_rust_roots), ptr::null_mut());