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feat: VmHost 加 BroadcastChannel 注册表三方法并 full_reset 清表

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彭俊皓
2026-10-09 05:15:37 +00:00
parent 2fce99e3ba
commit d7a10f0f44
6 changed files with 68 additions and 22 deletions
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Cargo.lock
Generated
+19 -19
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@@ -1160,7 +1160,7 @@ dependencies = [
[[package]]
name = "oxide_builtins"
version = "0.8.88"
version = "0.8.89"
dependencies = [
"chrono",
"fast-float",
@@ -1185,7 +1185,7 @@ dependencies = [
[[package]]
name = "oxide_bytecode"
version = "0.8.88"
version = "0.8.89"
dependencies = [
"num-bigint",
"oxide_log",
@@ -1193,7 +1193,7 @@ dependencies = [
[[package]]
name = "oxide_cfg"
version = "0.8.88"
version = "0.8.89"
dependencies = [
"oxide_bytecode",
"oxide_emit",
@@ -1204,7 +1204,7 @@ dependencies = [
[[package]]
name = "oxide_cli"
version = "0.8.88"
version = "0.8.89"
dependencies = [
"ansi_term",
"bumpalo",
@@ -1226,7 +1226,7 @@ dependencies = [
[[package]]
name = "oxide_code_cache"
version = "0.8.88"
version = "0.8.89"
dependencies = [
"lru",
"oxide_bytecode",
@@ -1235,7 +1235,7 @@ dependencies = [
[[package]]
name = "oxide_compiler"
version = "0.8.88"
version = "0.8.89"
dependencies = [
"oxide_bytecode",
"oxide_cfg",
@@ -1255,7 +1255,7 @@ dependencies = [
[[package]]
name = "oxide_dce"
version = "0.8.88"
version = "0.8.89"
dependencies = [
"oxide_bytecode",
"oxide_cfg",
@@ -1269,7 +1269,7 @@ dependencies = [
[[package]]
name = "oxide_emit"
version = "0.8.88"
version = "0.8.89"
dependencies = [
"num-bigint",
"oxc_allocator",
@@ -1284,7 +1284,7 @@ dependencies = [
[[package]]
name = "oxide_engine"
version = "0.8.88"
version = "0.8.89"
dependencies = [
"oxide_bytecode",
"oxide_compiler",
@@ -1296,7 +1296,7 @@ dependencies = [
[[package]]
name = "oxide_ir"
version = "0.8.88"
version = "0.8.89"
dependencies = [
"oxide_bytecode",
"oxide_log",
@@ -1305,7 +1305,7 @@ dependencies = [
[[package]]
name = "oxide_kernel"
version = "0.8.88"
version = "0.8.89"
dependencies = [
"bumpalo",
"dashmap",
@@ -1319,7 +1319,7 @@ dependencies = [
[[package]]
name = "oxide_liveness"
version = "0.8.88"
version = "0.8.89"
dependencies = [
"oxide_bytecode",
"oxide_cfg",
@@ -1331,7 +1331,7 @@ dependencies = [
[[package]]
name = "oxide_log"
version = "0.8.88"
version = "0.8.89"
dependencies = [
"tracing",
"tracing-appender",
@@ -1340,7 +1340,7 @@ dependencies = [
[[package]]
name = "oxide_parser"
version = "0.8.88"
version = "0.8.89"
dependencies = [
"oxc_allocator",
"oxc_ast",
@@ -1355,7 +1355,7 @@ dependencies = [
[[package]]
name = "oxide_regalloc"
version = "0.8.88"
version = "0.8.89"
dependencies = [
"oxide_bytecode",
"oxide_cfg",
@@ -1371,7 +1371,7 @@ dependencies = [
[[package]]
name = "oxide_runtime_api"
version = "0.8.88"
version = "0.8.89"
dependencies = [
"num-bigint",
"num-traits",
@@ -1384,7 +1384,7 @@ dependencies = [
[[package]]
name = "oxide_test262"
version = "0.8.88"
version = "0.8.89"
dependencies = [
"oxide_bytecode",
"oxide_compiler",
@@ -1402,7 +1402,7 @@ dependencies = [
[[package]]
name = "oxide_types"
version = "0.8.88"
version = "0.8.89"
dependencies = [
"bumpalo",
"dashmap",
@@ -1415,7 +1415,7 @@ dependencies = [
[[package]]
name = "oxide_vm"
version = "0.8.88"
version = "0.8.89"
dependencies = [
"bumpalo",
"chrono",
Cargo.toml
+1 -1
View File
@@ -23,7 +23,7 @@ members = [
]
[workspace.package]
version = "0.8.88"
version = "0.8.89"
edition = "2021"
license = "MIT"
rust-version = "1.80"
crates/oxide_runtime_api/src/host.rs
+21
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@@ -408,4 +408,25 @@ pub trait VmHost {
/// 唤醒 (缓冲, 偏移) 处登记的前 `count` 个 waiter（`<= 0` 不唤醒、`+Inf`
/// 全唤醒），逐个以 "ok" 结算（反应入队随 run 收尾 drain）；返回唤醒数。
fn atomics_wake_waiters(&mut self, buffer: *mut JsObject, offset: usize, count: f64) -> usize;
// BroadcastChannel 注册表（per-realm 弱引用）
/// 把通道对象指针按通道名登记进 per-realm 注册表（弱引用，不保活）。
///
/// # 边界与前提
/// - `port` 为构造器登记后的 session 对象指针；同一指针的重复登记由
/// 调用方保证不发生。
/// # 副作用
/// - 写注册表（内部可变）；同名通道追加到该名下。
fn bc_register(&self, name: &str, port: *mut JsObject);
/// 从注册表移除通道对象指针（close 注销）；指针不在表内时 no-op。
///
/// # 副作用
/// - 写注册表（内部可变）；幂等，重复注销不报错。
fn bc_unregister(&self, name: &str, port: *mut JsObject);
/// 查同名通道对象指针列表（返回克隆；无匹配为空列表）。
///
/// # 边界与前提
/// - 列表元素为弱引用裸指针，调用方不得跨用户调用持有（GC 可释放
/// 通道对象，须在下一次使用前重新查表校验）。
fn bc_lookup(&self, name: &str) -> Vec<*mut JsObject>;
}
crates/oxide_vm/src/vm/vmhost.rs
+23
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@@ -357,4 +357,27 @@ impl oxide_runtime_api::VmHost for Vm {
fn atomics_wake_waiters(&mut self, buffer: *mut JsObject, offset: usize, count: f64) -> usize {
self.atomics_wake_waiters(buffer, offset, count)
}
fn bc_register(&self, name: &str, port: *mut JsObject) {
self.realm
.gc
.borrow_mut()
.broadcast_channels
.entry(name.to_string())
.or_default()
.push(port);
}
fn bc_unregister(&self, name: &str, port: *mut JsObject) {
if let Some(v) = self.realm.gc.borrow_mut().broadcast_channels.get_mut(name) {
v.retain(|p| *p != port);
}
}
fn bc_lookup(&self, name: &str) -> Vec<*mut JsObject> {
self.realm
.gc
.borrow()
.broadcast_channels
.get(name)
.cloned()
.unwrap_or_default()
}
}
crates/oxide_vm/src/vm_state.rs
+1 -2
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@@ -63,8 +63,7 @@ pub(crate) struct GcState {
pub(crate) gc_pressure_mode: bool,
/// BroadcastChannel per-realm 弱引用注册表：通道名 → 通道对象裸指针列表
/// （弱引用，不保活）。构造器分配后登记、close 注销、GC sweep 按 mark 位
/// 剪枝。当前仅声明，不填不读（登记与剪枝由后续任务接线）。
#[allow(dead_code)]
/// 剪枝、full_reset 随 session 对象一并清表。
pub(crate) broadcast_channels: HashMap<String, Vec<*mut JsObject>>,
}
crates/oxide_vm/src/vm_support.rs
+3
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@@ -466,6 +466,9 @@ impl Vm {
// 否则下次命中返回悬垂指针。
self.number_to_string_cache_keys = [0u64; 16];
self.number_to_string_cache_vals = [JsValue::undefined(); 16];
// BroadcastChannel 注册表持 session 对象裸指针：teardown 释放全部
// session 对象前须清表，否则残留悬垂指针。
self.realm.gc.borrow_mut().broadcast_channels.clear();
self.realm.teardown_session_heap_data();
self.realm.gc.borrow_mut().session_bytes_allocated = 0;
self.realm.gc.borrow_mut().session_bytes_peak = 0;