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value | syntax stringclasses 1
value | kind stringclasses 4
values | repo stringclasses 27
values | path stringlengths 5 116 | license stringclasses 6
values | commit stringlengths 40 40 | source_host stringclasses 1
value | category stringclasses 16
values | source_url stringlengths 85 196 | line_start int64 1 4.28k | line_end int64 4 4.31k |
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tokio-rs/tokio:tokio/src/runtime/stats/stats.rs:4 | let worker = &to.workers[self.my_index];
worker.park_count.store(self.park_count, Relaxed);
worker.steal_count.store(self.steal_count, Relaxed);
worker.poll_count.store(self.poll_count, Relaxed);
let mut min = u64::MAX;
let mut max = 0;
let last = self.busy_duration[sel... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/stats/stats.rs | MIT | f45320a9c0b05c65b2d5e24ecb33edfd81ac45f9 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/f45320a9c0b05c65b2d5e24ecb33edfd81ac45f9/tokio/src/runtime/stats/stats.rs | 121 | 175 |
tokio-rs/tokio:tokio/src/runtime/stats/stats.rs:5 | }
pub(crate) fn returned_from_park(&mut self) {
self.last_resume_time = Instant::now();
}
#[cfg(feature = "rt-multi-thread")]
pub(crate) fn incr_steal_count(&mut self, by: u16) {
self.steal_count += u64::from(by);
}
pub(crate) fn incr_poll_count(&mut self) {
self.poll_... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/stats/stats.rs | MIT | f45320a9c0b05c65b2d5e24ecb33edfd81ac45f9 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/f45320a9c0b05c65b2d5e24ecb33edfd81ac45f9/tokio/src/runtime/stats/stats.rs | 161 | 175 |
tokio-rs/tokio:tokio/src/runtime/stats/stats.rs:1 | //! This file contains the types necessary to collect various types of stats.
use crate::loom::sync::atomic::{AtomicU64, Ordering::Relaxed};
/// This type contains methods to retrieve stats from a Tokio runtime.
#[derive(Debug)]
pub struct RuntimeStats {
workers: Box<[WorkerStats]>,
}
/// This type contains metho... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/stats/stats.rs | MIT | 98578a6f4a494e709f00018b1cd5b0e3dd9a0f72 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/98578a6f4a494e709f00018b1cd5b0e3dd9a0f72/tokio/src/runtime/stats/stats.rs | 1 | 60 |
tokio-rs/tokio:tokio/src/runtime/stats/stats.rs:2 | impl WorkerStats {
/// Returns the total number of times this worker thread has parked.
pub fn park_count(&self) -> u64 {
self.park_count.load(Relaxed)
}
/// Returns the number of tasks this worker has stolen from other worker
/// threads.
pub fn steal_count(&self) -> u64 {
self... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/stats/stats.rs | MIT | 98578a6f4a494e709f00018b1cd5b0e3dd9a0f72 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/98578a6f4a494e709f00018b1cd5b0e3dd9a0f72/tokio/src/runtime/stats/stats.rs | 41 | 97 |
tokio-rs/tokio:tokio/src/runtime/stats/stats.rs:3 | }
pub(crate) fn about_to_park(&mut self) {
self.park_count += 1;
}
pub(crate) fn returned_from_park(&mut self) {}
#[cfg(feature = "rt-multi-thread")]
pub(crate) fn incr_steal_count(&mut self, by: u16) {
self.steal_count += u64::from(by);
}
pub(crate) fn incr_poll_count(&m... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/stats/stats.rs | MIT | 98578a6f4a494e709f00018b1cd5b0e3dd9a0f72 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/98578a6f4a494e709f00018b1cd5b0e3dd9a0f72/tokio/src/runtime/stats/stats.rs | 81 | 97 |
tokio-rs/tokio:tokio/src/runtime/task/abort.rs:1 | use crate::runtime::task::{Header, RawTask};
use std::fmt;
use std::panic::{RefUnwindSafe, UnwindSafe};
/// An owned permission to abort a spawned task, without awaiting its completion.
///
/// Unlike a [`JoinHandle`], an `AbortHandle` does *not* represent the
/// permission to await the task's completion, only to ter... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/abort.rs | MIT | c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17/tokio/src/runtime/task/abort.rs | 1 | 60 |
tokio-rs/tokio:tokio/src/runtime/task/abort.rs:2 | /// Be aware that tasks spawned using [`spawn_blocking`] cannot be aborted
/// because they are not async. If you call `abort` on a `spawn_blocking`
/// task, then this *will not have any effect*, and the task will continue
/// running normally. The exception is if the task has not started running
/// y... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/abort.rs | MIT | c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17/tokio/src/runtime/task/abort.rs | 41 | 100 |
tokio-rs/tokio:tokio/src/runtime/task/abort.rs:3 | impl UnwindSafe for AbortHandle {}
impl RefUnwindSafe for AbortHandle {}
impl fmt::Debug for AbortHandle {
fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
// Safety: The header pointer is valid.
let id_ptr = unsafe { Header::get_id_ptr(self.raw.header_ptr()) };
let id = unsafe ... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/abort.rs | MIT | c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17/tokio/src/runtime/task/abort.rs | 81 | 105 |
tokio-rs/tokio:tokio/src/runtime/task/abort.rs:2 | /// Be aware that tasks spawned using [`spawn_blocking`] cannot be aborted
/// because they are not async. If you call `abort` on a `spawn_blocking`
/// task, then this *will not have any effect*, and the task will continue
/// running normally. The exception is if the task has not started running
/// y... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/abort.rs | MIT | 126ce89bb40f4d3ea2a174372694276e1b135985 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/126ce89bb40f4d3ea2a174372694276e1b135985/tokio/src/runtime/task/abort.rs | 41 | 100 |
tokio-rs/tokio:tokio/src/runtime/task/abort.rs:3 | unsafe { Header::get_id(self.raw.header_ptr()) }
}
}
unsafe impl Send for AbortHandle {}
unsafe impl Sync for AbortHandle {}
impl UnwindSafe for AbortHandle {}
impl RefUnwindSafe for AbortHandle {}
impl fmt::Debug for AbortHandle {
fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
// Safet... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/abort.rs | MIT | 126ce89bb40f4d3ea2a174372694276e1b135985 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/126ce89bb40f4d3ea2a174372694276e1b135985/tokio/src/runtime/task/abort.rs | 81 | 112 |
tokio-rs/tokio:tokio/src/runtime/task/abort.rs:3 | unsafe { Header::get_id(self.raw.header_ptr()) }
}
}
unsafe impl Send for AbortHandle {}
unsafe impl Sync for AbortHandle {}
impl UnwindSafe for AbortHandle {}
impl RefUnwindSafe for AbortHandle {}
impl fmt::Debug for AbortHandle {
fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
// Safet... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/abort.rs | MIT | a02407171a3f1aeb86e7406bcac9dfb415278308 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/a02407171a3f1aeb86e7406bcac9dfb415278308/tokio/src/runtime/task/abort.rs | 81 | 104 |
tokio-rs/tokio:tokio/src/runtime/task/abort.rs:1 | use crate::runtime::task::{Header, RawTask};
use std::fmt;
use std::panic::{RefUnwindSafe, UnwindSafe};
/// An owned permission to abort a spawned task, without awaiting its completion.
///
/// Unlike a [`JoinHandle`], an `AbortHandle` does *not* represent the
/// permission to await the task's completion, only to ter... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/abort.rs | MIT | 3468b4b72f4e5a5ae89b1ff059ccde576dceb459 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/3468b4b72f4e5a5ae89b1ff059ccde576dceb459/tokio/src/runtime/task/abort.rs | 1 | 60 |
tokio-rs/tokio:tokio/src/runtime/task/abort.rs:2 | }
/// Checks if the task associated with this `AbortHandle` has finished.
///
/// Please note that this method can return `false` even if `abort` has been
/// called on the task. This is because the cancellation process may take
/// some time, and this method does not return `true` until it has
... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/abort.rs | MIT | 3468b4b72f4e5a5ae89b1ff059ccde576dceb459 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/3468b4b72f4e5a5ae89b1ff059ccde576dceb459/tokio/src/runtime/task/abort.rs | 41 | 90 |
tokio-rs/tokio:tokio/src/runtime/task/abort.rs:3 | let id = unsafe { id_ptr.as_ref() };
fmt.debug_struct("AbortHandle").field("id", id).finish()
}
}
impl Drop for AbortHandle {
fn drop(&mut self) {
self.raw.drop_abort_handle();
}
} | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/abort.rs | MIT | 3468b4b72f4e5a5ae89b1ff059ccde576dceb459 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/3468b4b72f4e5a5ae89b1ff059ccde576dceb459/tokio/src/runtime/task/abort.rs | 81 | 90 |
tokio-rs/tokio:tokio/src/runtime/task/abort.rs:1 | use crate::runtime::task::{Header, RawTask};
use std::fmt;
use std::panic::{RefUnwindSafe, UnwindSafe};
/// An owned permission to abort a spawned task, without awaiting its completion.
///
/// Unlike a [`JoinHandle`], an `AbortHandle` does *not* represent the
/// permission to await the task's completion, only to ter... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/abort.rs | MIT | 45e37dbfa27162e3ecb1ca2a902a7d21eeecda8b | github | async-runtime | https://github.com/tokio-rs/tokio/blob/45e37dbfa27162e3ecb1ca2a902a7d21eeecda8b/tokio/src/runtime/task/abort.rs | 1 | 60 |
tokio-rs/tokio:tokio/src/runtime/task/abort.rs:2 | ///
/// Please note that this method can return `false` even if `abort` has been
/// called on the task. This is because the cancellation process may take
/// some time, and this method does not return `true` until it has
/// completed.
pub fn is_finished(&self) -> bool {
let state = self.ra... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/abort.rs | MIT | 45e37dbfa27162e3ecb1ca2a902a7d21eeecda8b | github | async-runtime | https://github.com/tokio-rs/tokio/blob/45e37dbfa27162e3ecb1ca2a902a7d21eeecda8b/tokio/src/runtime/task/abort.rs | 41 | 87 |
tokio-rs/tokio:tokio/src/runtime/task/abort.rs:1 | use crate::runtime::task::{Id, RawTask};
use std::fmt;
use std::panic::{RefUnwindSafe, UnwindSafe};
/// An owned permission to abort a spawned task, without awaiting its completion.
///
/// Unlike a [`JoinHandle`], an `AbortHandle` does *not* represent the
/// permission to await the task's completion, only to termina... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/abort.rs | MIT | 71bd49e146ac5288fd4cb327dd3f86eb71b3a865 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/71bd49e146ac5288fd4cb327dd3f86eb71b3a865/tokio/src/runtime/task/abort.rs | 1 | 60 |
tokio-rs/tokio:tokio/src/runtime/task/abort.rs:2 | }
/// Checks if the task associated with this `AbortHandle` has finished.
///
/// Please note that this method can return `false` even if `abort` has been
/// called on the task. This is because the cancellation process may take
/// some time, and this method does not return `true` until it has
... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/abort.rs | MIT | 71bd49e146ac5288fd4cb327dd3f86eb71b3a865 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/71bd49e146ac5288fd4cb327dd3f86eb71b3a865/tokio/src/runtime/task/abort.rs | 41 | 94 |
tokio-rs/tokio:tokio/src/runtime/task/abort.rs:3 | fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
fmt.debug_struct("AbortHandle")
.field("id", &self.id)
.finish()
}
}
impl Drop for AbortHandle {
fn drop(&mut self) {
if let Some(raw) = self.raw.take() {
raw.drop_abort_handle();
}
}
} | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/abort.rs | MIT | 71bd49e146ac5288fd4cb327dd3f86eb71b3a865 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/71bd49e146ac5288fd4cb327dd3f86eb71b3a865/tokio/src/runtime/task/abort.rs | 81 | 94 |
tokio-rs/tokio:tokio/src/runtime/task/abort.rs:2 | }
/// Checks if the task associated with this `AbortHandle` has finished.
///
/// Please note that this method can return `false` even if `abort` has been
/// called on the task. This is because the cancellation process may take
/// some time, and this method does not return `true` until it has
... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/abort.rs | MIT | b67b8c1398ddeb8c434e39595b1a48c5a2dddbbe | github | async-runtime | https://github.com/tokio-rs/tokio/blob/b67b8c1398ddeb8c434e39595b1a48c5a2dddbbe/tokio/src/runtime/task/abort.rs | 41 | 94 |
tokio-rs/tokio:tokio/src/runtime/task/abort.rs:1 | use crate::runtime::task::{Id, RawTask};
use std::fmt;
use std::panic::{RefUnwindSafe, UnwindSafe};
/// An owned permission to abort a spawned task, without awaiting its completion.
///
/// Unlike a [`JoinHandle`], an `AbortHandle` does *not* represent the
/// permission to await the task's completion, only to termina... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/abort.rs | MIT | 83d0e7f8b3b207f8db57e75c7f7d2e384d26ec3b | github | async-runtime | https://github.com/tokio-rs/tokio/blob/83d0e7f8b3b207f8db57e75c7f7d2e384d26ec3b/tokio/src/runtime/task/abort.rs | 1 | 60 |
tokio-rs/tokio:tokio/src/runtime/task/abort.rs:2 | /// [cancelled]: method@super::error::JoinError::is_cancelled
/// [`JoinHandle::abort`]: method@super::JoinHandle::abort
// the `AbortHandle` type is only publicly exposed when `tokio_unstable` is
// enabled, but it is still defined for testing purposes.
#[cfg_attr(not(tokio_unstable), allow(unreachable... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/abort.rs | MIT | 83d0e7f8b3b207f8db57e75c7f7d2e384d26ec3b | github | async-runtime | https://github.com/tokio-rs/tokio/blob/83d0e7f8b3b207f8db57e75c7f7d2e384d26ec3b/tokio/src/runtime/task/abort.rs | 41 | 100 |
tokio-rs/tokio:tokio/src/runtime/task/abort.rs:3 | }
}
unsafe impl Send for AbortHandle {}
unsafe impl Sync for AbortHandle {}
impl UnwindSafe for AbortHandle {}
impl RefUnwindSafe for AbortHandle {}
impl fmt::Debug for AbortHandle {
fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
fmt.debug_struct("AbortHandle")
.field("id", &sel... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/abort.rs | MIT | 83d0e7f8b3b207f8db57e75c7f7d2e384d26ec3b | github | async-runtime | https://github.com/tokio-rs/tokio/blob/83d0e7f8b3b207f8db57e75c7f7d2e384d26ec3b/tokio/src/runtime/task/abort.rs | 81 | 104 |
tokio-rs/tokio:tokio/src/runtime/task/abort.rs:1 | use crate::runtime::task::{Id, RawTask};
use std::fmt;
use std::panic::{RefUnwindSafe, UnwindSafe};
/// An owned permission to abort a spawned task, without awaiting its completion.
///
/// Unlike a [`JoinHandle`], an `AbortHandle` does *not* represent the
/// permission to await the task's completion, only to termina... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/abort.rs | MIT | d456706528edf387a70223a2966338b2c3cace53 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/d456706528edf387a70223a2966338b2c3cace53/tokio/src/runtime/task/abort.rs | 1 | 60 |
tokio-rs/tokio:tokio/src/runtime/task/abort.rs:2 | /// [cancelled]: method@super::error::JoinError::is_cancelled
/// [`JoinHandle::abort`]: method@super::JoinHandle::abort
// the `AbortHandle` type is only publicly exposed when `tokio_unstable` is
// enabled, but it is still defined for testing purposes.
#[cfg_attr(not(tokio_unstable), allow(unreachable... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/abort.rs | MIT | d456706528edf387a70223a2966338b2c3cace53 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/d456706528edf387a70223a2966338b2c3cace53/tokio/src/runtime/task/abort.rs | 41 | 88 |
tokio-rs/tokio:tokio/src/runtime/task/abort.rs:1 | use crate::runtime::task::{Id, RawTask};
use std::fmt;
use std::panic::{RefUnwindSafe, UnwindSafe};
/// An owned permission to abort a spawned task, without awaiting its completion.
///
/// Unlike a [`JoinHandle`], an `AbortHandle` does *not* represent the
/// permission to await the task's completion, only to termina... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/abort.rs | MIT | 1d3f12304e29dbb8fe3ef4089d01d5acb9edaae1 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/1d3f12304e29dbb8fe3ef4089d01d5acb9edaae1/tokio/src/runtime/task/abort.rs | 1 | 60 |
tokio-rs/tokio:tokio/src/runtime/task/abort.rs:2 | /// [cancelled]: method@super::error::JoinError::is_cancelled
/// [`JoinHandle::abort`]: method@super::JoinHandle::abort
// the `AbortHandle` type is only publicly exposed when `tokio_unstable` is
// enabled, but it is still defined for testing purposes.
#[cfg_attr(not(tokio_unstable), allow(unreachable... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/abort.rs | MIT | 1d3f12304e29dbb8fe3ef4089d01d5acb9edaae1 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/1d3f12304e29dbb8fe3ef4089d01d5acb9edaae1/tokio/src/runtime/task/abort.rs | 41 | 88 |
tokio-rs/tokio:tokio/src/runtime/task/abort.rs:1 | use crate::runtime::task::RawTask;
use std::fmt;
use std::panic::{RefUnwindSafe, UnwindSafe};
/// An owned permission to abort a spawned task, without awaiting its completion.
///
/// Unlike a [`JoinHandle`], an `AbortHandle` does *not* represent the
/// permission to await the task's completion, only to terminate it.... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/abort.rs | MIT | ac69d37302b6639343af3ed3e34707fac29b8581 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/ac69d37302b6639343af3ed3e34707fac29b8581/tokio/src/runtime/task/abort.rs | 1 | 60 |
tokio-rs/tokio:tokio/src/runtime/task/abort.rs:2 | /// [`JoinHandle::abort`]: method@super::JoinHandle::abort
// the `AbortHandle` type is only publicly exposed when `tokio_unstable` is
// enabled, but it is still defined for testing purposes.
#[cfg_attr(not(tokio_unstable), allow(unreachable_pub))]
pub fn abort(self) {
if let Some(raw) = self.r... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/abort.rs | MIT | ac69d37302b6639343af3ed3e34707fac29b8581 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/ac69d37302b6639343af3ed3e34707fac29b8581/tokio/src/runtime/task/abort.rs | 41 | 70 |
tokio-rs/tokio:tokio/src/runtime/task/abort.rs:1 | use crate::runtime::task::RawTask;
use std::fmt;
use std::panic::{RefUnwindSafe, UnwindSafe};
/// An owned permission to abort a spawned task, without awaiting its completion.
///
/// Unlike a [`JoinHandle`], an `AbortHandle` does *not* represent the
/// permission to await the task's completion, only to terminate it.... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/abort.rs | MIT | 8e0e56fdf23da0ad807c78ac57a19db939666253 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/8e0e56fdf23da0ad807c78ac57a19db939666253/tokio/src/runtime/task/abort.rs | 1 | 60 |
tokio-rs/tokio:tokio/src/runtime/task/abort.rs:2 | // the `AbortHandle` type is only publicly exposed when `tokio_unstable` is
// enabled, but it is still defined for testing purposes.
#[cfg_attr(not(tokio_unstable), allow(unreachable_pub))]
pub fn abort(self) {
if let Some(raw) = self.raw {
raw.remote_abort();
}
}
}
unsafe ... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/abort.rs | MIT | 8e0e56fdf23da0ad807c78ac57a19db939666253 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/8e0e56fdf23da0ad807c78ac57a19db939666253/tokio/src/runtime/task/abort.rs | 41 | 69 |
tokio-rs/tokio:tokio/src/runtime/task/atomic_notified.rs:1 | use crate::loom::sync::atomic::AtomicPtr;
use crate::runtime::task::{Header, Notified, RawTask};
use std::marker::PhantomData;
use std::ptr;
use std::ptr::NonNull;
use std::sync::atomic::Ordering::SeqCst;
/// An atomic cell which can contain a pointer to a [`Notified`] task.
///
/// This is similar to the `crate::uti... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/atomic_notified.rs | MIT | eeb55c733ba9a83c51d08b1629dca6a5ec0f4b2b | github | async-runtime | https://github.com/tokio-rs/tokio/blob/eeb55c733ba9a83c51d08b1629dca6a5ec0f4b2b/tokio/src/runtime/task/atomic_notified.rs | 1 | 58 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:1 | //! Core task module.
//!
//! # Safety
//!
//! The functions in this module are private to the `task` module. All of them
//! should be considered `unsafe` to use, but are not marked as such since it
//! would be too noisy.
//!
//! Make sure to consult the relevant safety section of each function before
//! use.
// It... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17/tokio/src/runtime/task/core.rs | 1 | 60 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:2 | /// Any changes to the layout of this struct _must_ also be reflected in the
/// `const` fns in raw.rs.
///
// # This struct should be cache padded to avoid false sharing. The cache padding rules are copied
// from crossbeam-utils/src/cache_padded.rs
//
// Starting from Intel's Sandy Bridge, spatial prefetcher is now p... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17/tokio/src/runtime/task/core.rs | 41 | 100 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:3 | any(
target_arch = "arm",
target_arch = "mips",
target_arch = "mips64",
target_arch = "sparc",
target_arch = "hexagon",
),
repr(align(32))
)]
// m68k has 16-byte cache line size.
//
// Sources:
// - https://github.com/torvalds/linux/blob/3516bd729358a2a9b090c1905bd2a3fa92... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17/tokio/src/runtime/task/core.rs | 81 | 140 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:4 | target_arch = "s390x",
)),
repr(align(64))
)]
#[repr(C)]
pub(super) struct Cell<T: Future, S> {
/// Hot task state data
pub(super) header: Header,
/// Either the future or output, depending on the execution stage.
pub(super) core: Core<T, S>,
/// Cold data
pub(super) trailer: Trailer,
... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17/tokio/src/runtime/task/core.rs | 121 | 180 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:5 | /// Either the future or the output.
pub(super) stage: CoreStage<T>,
}
/// Crate public as this is also needed by the pool.
#[repr(C)]
pub(crate) struct Header {
/// Task state.
pub(super) state: State,
/// Pointer to next task, used with the injection queue.
pub(super) queue_next: UnsafeCell<Opti... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17/tokio/src/runtime/task/core.rs | 161 | 220 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:6 | pub(super) struct Trailer {
/// Pointers for the linked list in the `OwnedTasks` that owns this task.
pub(super) owned: linked_list::Pointers<Header>,
/// Consumer task waiting on completion of this task.
pub(super) waker: UnsafeCell<Option<Waker>>,
/// Optional hooks needed in the harness.
#[cf... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17/tokio/src/runtime/task/core.rs | 201 | 260 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:7 | #[cfg(all(tokio_unstable, feature = "tracing"))] tracing_id: Option<tracing::Id>,
) -> Header {
Header {
state,
queue_next: UnsafeCell::new(None),
vtable,
owner_id: UnsafeCell::new(None),
#[cfg(all(tokio_unstable, featur... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17/tokio/src/runtime/task/core.rs | 241 | 300 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:8 | scheduler: &S,
task_id: &Id,
#[cfg(tokio_unstable)] spawn_location: &&'static Location<'static>,
) {
let trailer_addr = trailer as *const Trailer as usize;
let trailer_ptr = unsafe { Header::get_trailer(NonNull::from(header)) };
... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17/tokio/src/runtime/task/core.rs | 281 | 340 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:9 | impl<T: Future> CoreStage<T> {
pub(super) fn with_mut<R>(&self, f: impl FnOnce(*mut Stage<T>) -> R) -> R {
self.stage.with_mut(f)
}
}
/// Set and clear the task id in the context when the future is executed or
/// dropped, or when the output produced by the future is dropped.
pub(crate) struct TaskIdGu... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17/tokio/src/runtime/task/core.rs | 321 | 380 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:10 | /// heap.
pub(super) fn poll(&self, mut cx: Context<'_>) -> Poll<T::Output> {
let res = {
self.stage.stage.with_mut(|ptr| {
// Safety: The caller ensures mutual exclusion to the field.
let future = match unsafe { &mut *ptr } {
Stage::Running(fu... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17/tokio/src/runtime/task/core.rs | 361 | 420 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:11 | ///
/// The caller must ensure it is safe to mutate the `stage` field.
pub(super) fn store_output(&self, output: super::Result<T::Output>) {
// Safety: the caller ensures mutual exclusion to the field.
unsafe {
self.set_stage(Stage::Finished(output));
}
}
/// Takes t... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17/tokio/src/runtime/task/core.rs | 401 | 460 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:12 | pub(super) unsafe fn set_owner_id(&self, owner: NonZeroU64) {
self.owner_id.with_mut(|ptr| *ptr = Some(owner));
}
pub(super) fn get_owner_id(&self) -> Option<NonZeroU64> {
// safety: If there are concurrent writes, then that write has violated
// the safety requirements on `set_owner_id... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17/tokio/src/runtime/task/core.rs | 441 | 500 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:13 | pub(super) unsafe fn get_id_ptr(me: NonNull<Header>) -> NonNull<Id> {
let offset = me.as_ref().vtable.id_offset;
let id = me.as_ptr().cast::<u8>().add(offset).cast::<Id>();
NonNull::new_unchecked(id)
}
/// Gets the id of the task containing this `Header`.
///
/// # Safety
//... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17/tokio/src/runtime/task/core.rs | 481 | 540 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:14 | /// The provided raw pointer must point at the header of a task.
#[cfg(tokio_unstable)]
pub(super) unsafe fn get_spawn_location(me: NonNull<Header>) -> &'static Location<'static> {
let ptr = Header::get_spawn_location_ptr(me).as_ptr();
*ptr
}
/// Gets the tracing id of the task containi... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17/tokio/src/runtime/task/core.rs | 521 | 571 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:15 | Some(waker) => waker.wake_by_ref(),
None => panic!("waker missing"),
});
}
}
#[test]
#[cfg(not(loom))]
fn header_lte_cache_line() {
assert!(std::mem::size_of::<Header>() <= 8 * std::mem::size_of::<*const ()>());
} | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/c6d58ce7e7bf4a6e7e6efc1ffeb42daa3a627c17/tokio/src/runtime/task/core.rs | 561 | 571 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:5 | /// Either the future or the output.
pub(super) stage: CoreStage<T>,
}
/// Crate public as this is also needed by the pool.
#[repr(C)]
pub(crate) struct Header {
/// Task state.
pub(super) state: State,
/// Pointer to next task, used with the injection queue.
pub(super) queue_next: UnsafeCell<Opti... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 665f08b5ad15485e8dcd6c3ec5ad1bda03a2a68d | github | async-runtime | https://github.com/tokio-rs/tokio/blob/665f08b5ad15485e8dcd6c3ec5ad1bda03a2a68d/tokio/src/runtime/task/core.rs | 161 | 220 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:6 | pub(super) struct Trailer {
/// Pointers for the linked list in the `OwnedTasks` that owns this task.
pub(super) owned: linked_list::Pointers<Header>,
/// Consumer task waiting on completion of this task.
pub(super) waker: UnsafeCell<Option<Waker>>,
/// Optional hooks needed in the harness.
pub(... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 665f08b5ad15485e8dcd6c3ec5ad1bda03a2a68d | github | async-runtime | https://github.com/tokio-rs/tokio/blob/665f08b5ad15485e8dcd6c3ec5ad1bda03a2a68d/tokio/src/runtime/task/core.rs | 201 | 260 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:7 | ) -> Header {
Header {
state,
queue_next: UnsafeCell::new(None),
vtable,
owner_id: UnsafeCell::new(None),
#[cfg(all(tokio_unstable, feature = "tracing"))]
tracing_id,
}
}
#[cfg(all(to... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 665f08b5ad15485e8dcd6c3ec5ad1bda03a2a68d | github | async-runtime | https://github.com/tokio-rs/tokio/blob/665f08b5ad15485e8dcd6c3ec5ad1bda03a2a68d/tokio/src/runtime/task/core.rs | 241 | 300 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:8 | task_id: &Id,
#[cfg(tokio_unstable)] spawn_location: &&'static Location<'static>,
) {
let trailer_addr = trailer as *const Trailer as usize;
let trailer_ptr = unsafe { Header::get_trailer(NonNull::from(header)) };
assert_eq!(trailer_addr, trail... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 665f08b5ad15485e8dcd6c3ec5ad1bda03a2a68d | github | async-runtime | https://github.com/tokio-rs/tokio/blob/665f08b5ad15485e8dcd6c3ec5ad1bda03a2a68d/tokio/src/runtime/task/core.rs | 281 | 340 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:9 | impl<T: Future> CoreStage<T> {
pub(super) fn with_mut<R>(&self, f: impl FnOnce(*mut Stage<T>) -> R) -> R {
self.stage.with_mut(f)
}
}
/// Set and clear the task id in the context when the future is executed or
/// dropped, or when the output produced by the future is dropped.
pub(crate) struct TaskIdGu... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 665f08b5ad15485e8dcd6c3ec5ad1bda03a2a68d | github | async-runtime | https://github.com/tokio-rs/tokio/blob/665f08b5ad15485e8dcd6c3ec5ad1bda03a2a68d/tokio/src/runtime/task/core.rs | 321 | 380 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:10 | pub(super) fn poll(&self, mut cx: Context<'_>) -> Poll<T::Output> {
let res = {
self.stage.stage.with_mut(|ptr| {
// Safety: The caller ensures mutual exclusion to the field.
let future = match unsafe { &mut *ptr } {
Stage::Running(future) => futur... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 665f08b5ad15485e8dcd6c3ec5ad1bda03a2a68d | github | async-runtime | https://github.com/tokio-rs/tokio/blob/665f08b5ad15485e8dcd6c3ec5ad1bda03a2a68d/tokio/src/runtime/task/core.rs | 361 | 420 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:11 | /// The caller must ensure it is safe to mutate the `stage` field.
pub(super) fn store_output(&self, output: super::Result<T::Output>) {
// Safety: the caller ensures mutual exclusion to the field.
unsafe {
self.set_stage(Stage::Finished(output));
}
}
/// Takes the task ... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 665f08b5ad15485e8dcd6c3ec5ad1bda03a2a68d | github | async-runtime | https://github.com/tokio-rs/tokio/blob/665f08b5ad15485e8dcd6c3ec5ad1bda03a2a68d/tokio/src/runtime/task/core.rs | 401 | 460 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:12 | self.owner_id.with_mut(|ptr| *ptr = Some(owner));
}
pub(super) fn get_owner_id(&self) -> Option<NonZeroU64> {
// safety: If there are concurrent writes, then that write has violated
// the safety requirements on `set_owner_id`.
unsafe { self.owner_id.with(|ptr| *ptr) }
}
/// Ge... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 665f08b5ad15485e8dcd6c3ec5ad1bda03a2a68d | github | async-runtime | https://github.com/tokio-rs/tokio/blob/665f08b5ad15485e8dcd6c3ec5ad1bda03a2a68d/tokio/src/runtime/task/core.rs | 441 | 500 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:13 | let offset = me.as_ref().vtable.id_offset;
let id = me.as_ptr().cast::<u8>().add(offset).cast::<Id>();
NonNull::new_unchecked(id)
}
/// Gets the id of the task containing this `Header`.
///
/// # Safety
///
/// The provided raw pointer must point at the header of a task.
pub... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 665f08b5ad15485e8dcd6c3ec5ad1bda03a2a68d | github | async-runtime | https://github.com/tokio-rs/tokio/blob/665f08b5ad15485e8dcd6c3ec5ad1bda03a2a68d/tokio/src/runtime/task/core.rs | 481 | 540 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:14 | #[cfg(tokio_unstable)]
pub(super) unsafe fn get_spawn_location(me: NonNull<Header>) -> &'static Location<'static> {
let ptr = Header::get_spawn_location_ptr(me).as_ptr();
*ptr
}
/// Gets the tracing id of the task containing this `Header`.
///
/// # Safety
///
/// The provid... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 665f08b5ad15485e8dcd6c3ec5ad1bda03a2a68d | github | async-runtime | https://github.com/tokio-rs/tokio/blob/665f08b5ad15485e8dcd6c3ec5ad1bda03a2a68d/tokio/src/runtime/task/core.rs | 521 | 570 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:15 | None => panic!("waker missing"),
});
}
}
#[test]
#[cfg(not(loom))]
fn header_lte_cache_line() {
assert!(std::mem::size_of::<Header>() <= 8 * std::mem::size_of::<*const ()>());
} | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 665f08b5ad15485e8dcd6c3ec5ad1bda03a2a68d | github | async-runtime | https://github.com/tokio-rs/tokio/blob/665f08b5ad15485e8dcd6c3ec5ad1bda03a2a68d/tokio/src/runtime/task/core.rs | 561 | 570 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:1 | //! Core task module.
//!
//! # Safety
//!
//! The functions in this module are private to the `task` module. All of them
//! should be considered `unsafe` to use, but are not marked as such since it
//! would be too noisy.
//!
//! Make sure to consult the relevant safety section of each function before
//! use.
use c... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 3e890cc0171ddb210acdcfec831b7c7bcbb0d2d9 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/3e890cc0171ddb210acdcfec831b7c7bcbb0d2d9/tokio/src/runtime/task/core.rs | 1 | 60 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:2 | // Sources:
// - https://www.intel.com/content/dam/www/public/us/en/documents/manuals/64-ia-32-architectures-optimization-manual.pdf
// - https://github.com/facebook/folly/blob/1b5288e6eea6df074758f877c849b6e73bbb9fbb/folly/lang/Align.h#L107
//
// ARM's big.LITTLE architecture has asymmetric cores and "big" cores have ... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 3e890cc0171ddb210acdcfec831b7c7bcbb0d2d9 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/3e890cc0171ddb210acdcfec831b7c7bcbb0d2d9/tokio/src/runtime/task/core.rs | 41 | 100 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:3 | // m68k has 16-byte cache line size.
//
// Sources:
// - https://github.com/torvalds/linux/blob/3516bd729358a2a9b090c1905bd2a3fa926e24c6/arch/m68k/include/asm/cache.h#L9
#[cfg_attr(target_arch = "m68k", repr(align(16)))]
// s390x has 256-byte cache line size.
//
// Sources:
// - https://github.com/golang/go/blob/3dd586... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 3e890cc0171ddb210acdcfec831b7c7bcbb0d2d9 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/3e890cc0171ddb210acdcfec831b7c7bcbb0d2d9/tokio/src/runtime/task/core.rs | 81 | 140 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:4 | /// Either the future or output, depending on the execution stage.
pub(super) core: Core<T, S>,
/// Cold data
pub(super) trailer: Trailer,
}
pub(super) struct CoreStage<T: Future> {
stage: UnsafeCell<Stage<T>>,
}
/// The core of the task.
///
/// Holds the future or output, depending on the stage of ... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 3e890cc0171ddb210acdcfec831b7c7bcbb0d2d9 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/3e890cc0171ddb210acdcfec831b7c7bcbb0d2d9/tokio/src/runtime/task/core.rs | 121 | 180 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:5 | pub(super) state: State,
/// Pointer to next task, used with the injection queue.
pub(super) queue_next: UnsafeCell<Option<NonNull<Header>>>,
/// Table of function pointers for executing actions on the task.
pub(super) vtable: &'static Vtable,
/// This integer contains the id of the `OwnedTasks` ... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 3e890cc0171ddb210acdcfec831b7c7bcbb0d2d9 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/3e890cc0171ddb210acdcfec831b7c7bcbb0d2d9/tokio/src/runtime/task/core.rs | 161 | 220 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:6 | generate_addr_of_methods! {
impl<> Trailer {
pub(super) unsafe fn addr_of_owned(self: NonNull<Self>) -> NonNull<linked_list::Pointers<Header>> {
&self.owned
}
}
}
/// Either the future or the output.
#[repr(C)] // https://github.com/rust-lang/miri/issues/3780
pub(super) enum Stage<T... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 3e890cc0171ddb210acdcfec831b7c7bcbb0d2d9 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/3e890cc0171ddb210acdcfec831b7c7bcbb0d2d9/tokio/src/runtime/task/core.rs | 201 | 260 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:7 | }
#[cfg(all(tokio_unstable, feature = "tracing"))]
let tracing_id = future.id();
let vtable = raw::vtable::<T, S>();
let result = Box::new(Cell {
trailer: Trailer::new(scheduler.hooks()),
header: new_header(
state,
vtable,
... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 3e890cc0171ddb210acdcfec831b7c7bcbb0d2d9 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/3e890cc0171ddb210acdcfec831b7c7bcbb0d2d9/tokio/src/runtime/task/core.rs | 241 | 300 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:8 | assert_eq!(scheduler_addr, scheduler_ptr.as_ptr() as usize);
let id_addr = task_id as *const Id as usize;
let id_ptr = unsafe { Header::get_id_ptr(NonNull::from(header)) };
assert_eq!(id_addr, id_ptr.as_ptr() as usize);
#[cfg(tokio_unstable)]
... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 3e890cc0171ddb210acdcfec831b7c7bcbb0d2d9 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/3e890cc0171ddb210acdcfec831b7c7bcbb0d2d9/tokio/src/runtime/task/core.rs | 281 | 340 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:9 | parent_task_id: Option<Id>,
}
impl TaskIdGuard {
fn enter(id: Id) -> Self {
TaskIdGuard {
parent_task_id: context::set_current_task_id(Some(id)),
}
}
}
impl Drop for TaskIdGuard {
fn drop(&mut self) {
context::set_current_task_id(self.parent_task_id);
}
}
impl<T: F... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 3e890cc0171ddb210acdcfec831b7c7bcbb0d2d9 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/3e890cc0171ddb210acdcfec831b7c7bcbb0d2d9/tokio/src/runtime/task/core.rs | 321 | 380 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:10 | // Safety: The caller ensures the future is pinned.
let future = unsafe { Pin::new_unchecked(future) };
let _guard = TaskIdGuard::enter(self.task_id);
future.poll(&mut cx)
})
};
if res.is_ready() {
self.drop_future_or_output();
... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 3e890cc0171ddb210acdcfec831b7c7bcbb0d2d9 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/3e890cc0171ddb210acdcfec831b7c7bcbb0d2d9/tokio/src/runtime/task/core.rs | 361 | 420 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:11 | ///
/// # Safety
///
/// The caller must ensure it is safe to mutate the `stage` field.
pub(super) fn take_output(&self) -> super::Result<T::Output> {
use std::mem;
self.stage.stage.with_mut(|ptr| {
// Safety:: the caller ensures mutual exclusion to the field.
ma... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 3e890cc0171ddb210acdcfec831b7c7bcbb0d2d9 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/3e890cc0171ddb210acdcfec831b7c7bcbb0d2d9/tokio/src/runtime/task/core.rs | 401 | 460 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:12 | /// Gets a pointer to the `Trailer` of the task containing this `Header`.
///
/// # Safety
///
/// The provided raw pointer must point at the header of a task.
pub(super) unsafe fn get_trailer(me: NonNull<Header>) -> NonNull<Trailer> {
let offset = me.as_ref().vtable.trailer_offset;
... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 3e890cc0171ddb210acdcfec831b7c7bcbb0d2d9 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/3e890cc0171ddb210acdcfec831b7c7bcbb0d2d9/tokio/src/runtime/task/core.rs | 441 | 500 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:13 | /// The provided raw pointer must point at the header of a task.
pub(super) unsafe fn get_id(me: NonNull<Header>) -> Id {
let ptr = Header::get_id_ptr(me).as_ptr();
*ptr
}
/// Gets a pointer to the source code location where the task containing
/// this `Header` was spawned.
///
... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 3e890cc0171ddb210acdcfec831b7c7bcbb0d2d9 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/3e890cc0171ddb210acdcfec831b7c7bcbb0d2d9/tokio/src/runtime/task/core.rs | 481 | 540 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:14 | ///
/// The provided raw pointer must point at the header of a task.
#[cfg(all(tokio_unstable, feature = "tracing"))]
pub(super) unsafe fn get_tracing_id(me: &NonNull<Header>) -> Option<&tracing::Id> {
me.as_ref().tracing_id.as_ref()
}
}
impl Trailer {
fn new(hooks: TaskHarnessScheduleHooks... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 3e890cc0171ddb210acdcfec831b7c7bcbb0d2d9 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/3e890cc0171ddb210acdcfec831b7c7bcbb0d2d9/tokio/src/runtime/task/core.rs | 521 | 561 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:1 | //! Core task module.
//!
//! # Safety
//!
//! The functions in this module are private to the `task` module. All of them
//! should be considered `unsafe` to use, but are not marked as such since it
//! would be too noisy.
//!
//! Make sure to consult the relevant safety section of each function before
//! use.
use c... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | b37f0de28a17ced6a9e6738062770d6fea8c5364 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/b37f0de28a17ced6a9e6738062770d6fea8c5364/tokio/src/runtime/task/core.rs | 1 | 60 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:2 | // - https://github.com/facebook/folly/blob/1b5288e6eea6df074758f877c849b6e73bbb9fbb/folly/lang/Align.h#L107
//
// ARM's big.LITTLE architecture has asymmetric cores and "big" cores have 128-byte cache line size.
//
// Sources:
// - https://www.mono-project.com/news/2016/09/12/arm64-icache/
//
// powerpc64 has 128-byte... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | b37f0de28a17ced6a9e6738062770d6fea8c5364 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/b37f0de28a17ced6a9e6738062770d6fea8c5364/tokio/src/runtime/task/core.rs | 41 | 100 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:3 | // Sources:
// - https://github.com/torvalds/linux/blob/3516bd729358a2a9b090c1905bd2a3fa926e24c6/arch/m68k/include/asm/cache.h#L9
#[cfg_attr(target_arch = "m68k", repr(align(16)))]
// s390x has 256-byte cache line size.
//
// Sources:
// - https://github.com/golang/go/blob/3dd58676054223962cd915bb0934d1f9f489d4d2/src/i... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | b37f0de28a17ced6a9e6738062770d6fea8c5364 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/b37f0de28a17ced6a9e6738062770d6fea8c5364/tokio/src/runtime/task/core.rs | 81 | 140 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:4 | /// Cold data
pub(super) trailer: Trailer,
}
pub(super) struct CoreStage<T: Future> {
stage: UnsafeCell<Stage<T>>,
}
/// The core of the task.
///
/// Holds the future or output, depending on the stage of execution.
///
/// Any changes to the layout of this struct _must_ also be reflected in the
/// `const` f... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | b37f0de28a17ced6a9e6738062770d6fea8c5364 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/b37f0de28a17ced6a9e6738062770d6fea8c5364/tokio/src/runtime/task/core.rs | 121 | 180 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:5 | /// that this task is stored in. If the task is not in any list, should be
/// the id of the list that it was previously in, or `None` if it has never
/// been in any list.
///
/// Once a task has been bound to a list, it can never be bound to another
/// list, even if removed from the first list.
... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | b37f0de28a17ced6a9e6738062770d6fea8c5364 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/b37f0de28a17ced6a9e6738062770d6fea8c5364/tokio/src/runtime/task/core.rs | 161 | 220 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:6 | #[repr(C)] // https://github.com/rust-lang/miri/issues/3780
pub(super) enum Stage<T: Future> {
Running(T),
Finished(super::Result<T::Output>),
Consumed,
}
impl<T: Future, S: Schedule> Cell<T, S> {
/// Allocates a new task cell, containing the header, trailer, and core
/// structures.
pub(super)... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | b37f0de28a17ced6a9e6738062770d6fea8c5364 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/b37f0de28a17ced6a9e6738062770d6fea8c5364/tokio/src/runtime/task/core.rs | 201 | 260 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:7 | stage: CoreStage {
stage: UnsafeCell::new(Stage::Running(future)),
},
task_id,
},
});
#[cfg(debug_assertions)]
{
// Using a separate function for this code avoids instantiating it separately for every `T`.
u... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | b37f0de28a17ced6a9e6738062770d6fea8c5364 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/b37f0de28a17ced6a9e6738062770d6fea8c5364/tokio/src/runtime/task/core.rs | 241 | 300 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:8 | }
}
/// Set and clear the task id in the context when the future is executed or
/// dropped, or when the output produced by the future is dropped.
pub(crate) struct TaskIdGuard {
parent_task_id: Option<Id>,
}
impl TaskIdGuard {
fn enter(id: Id) -> Self {
TaskIdGuard {
parent_task_id: conte... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | b37f0de28a17ced6a9e6738062770d6fea8c5364 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/b37f0de28a17ced6a9e6738062770d6fea8c5364/tokio/src/runtime/task/core.rs | 281 | 340 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:9 | // Safety: The caller ensures mutual exclusion to the field.
let future = match unsafe { &mut *ptr } {
Stage::Running(future) => future,
_ => unreachable!("unexpected stage"),
};
// Safety: The caller ensures the future is pinned.
... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | b37f0de28a17ced6a9e6738062770d6fea8c5364 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/b37f0de28a17ced6a9e6738062770d6fea8c5364/tokio/src/runtime/task/core.rs | 321 | 380 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:10 | unsafe {
self.set_stage(Stage::Finished(output));
}
}
/// Takes the task output.
///
/// # Safety
///
/// The caller must ensure it is safe to mutate the `stage` field.
pub(super) fn take_output(&self) -> super::Result<T::Output> {
use std::mem;
self.sta... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | b37f0de28a17ced6a9e6738062770d6fea8c5364 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/b37f0de28a17ced6a9e6738062770d6fea8c5364/tokio/src/runtime/task/core.rs | 361 | 420 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:11 | pub(super) fn get_owner_id(&self) -> Option<NonZeroU64> {
// safety: If there are concurrent writes, then that write has violated
// the safety requirements on `set_owner_id`.
unsafe { self.owner_id.with(|ptr| *ptr) }
}
/// Gets a pointer to the `Trailer` of the task containing this `He... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | b37f0de28a17ced6a9e6738062770d6fea8c5364 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/b37f0de28a17ced6a9e6738062770d6fea8c5364/tokio/src/runtime/task/core.rs | 401 | 460 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:12 | }
/// Gets the id of the task containing this `Header`.
///
/// # Safety
///
/// The provided raw pointer must point at the header of a task.
pub(super) unsafe fn get_id(me: NonNull<Header>) -> Id {
let ptr = Header::get_id_ptr(me).as_ptr();
*ptr
}
/// Gets the tracing ... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | b37f0de28a17ced6a9e6738062770d6fea8c5364 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/b37f0de28a17ced6a9e6738062770d6fea8c5364/tokio/src/runtime/task/core.rs | 441 | 496 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:13 | .with(|ptr| (*ptr).as_ref().unwrap().will_wake(waker))
}
pub(super) fn wake_join(&self) {
self.waker.with(|ptr| match unsafe { &*ptr } {
Some(waker) => waker.wake_by_ref(),
None => panic!("waker missing"),
});
}
}
#[test]
#[cfg(not(loom))]
fn header_lte_cache_line()... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | b37f0de28a17ced6a9e6738062770d6fea8c5364 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/b37f0de28a17ced6a9e6738062770d6fea8c5364/tokio/src/runtime/task/core.rs | 481 | 496 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:1 | //! Core task module.
//!
//! # Safety
//!
//! The functions in this module are private to the `task` module. All of them
//! should be considered `unsafe` to use, but are not marked as such since it
//! would be too noisy.
//!
//! Make sure to consult the relevant safety section of each function before
//! use.
use c... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 17819062e27b48570dd7f510b8bf8cf7b0e52cf4 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/17819062e27b48570dd7f510b8bf8cf7b0e52cf4/tokio/src/runtime/task/core.rs | 1 | 60 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:5 | /// that this task is stored in. If the task is not in any list, should be
/// the id of the list that it was previously in, or `None` if it has never
/// been in any list.
///
/// Once a task has been bound to a list, it can never be bound to another
/// list, even if removed from the first list.
... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 17819062e27b48570dd7f510b8bf8cf7b0e52cf4 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/17819062e27b48570dd7f510b8bf8cf7b0e52cf4/tokio/src/runtime/task/core.rs | 161 | 220 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:6 | Running(T),
Finished(super::Result<T::Output>),
Consumed,
}
impl<T: Future, S: Schedule> Cell<T, S> {
/// Allocates a new task cell, containing the header, trailer, and core
/// structures.
pub(super) fn new(future: T, scheduler: S, state: State, task_id: Id) -> Box<Cell<T, S>> {
// Separat... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 17819062e27b48570dd7f510b8bf8cf7b0e52cf4 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/17819062e27b48570dd7f510b8bf8cf7b0e52cf4/tokio/src/runtime/task/core.rs | 201 | 260 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:7 | task_id,
},
trailer: Trailer::new(),
});
#[cfg(debug_assertions)]
{
// Using a separate function for this code avoids instantiating it separately for every `T`.
unsafe fn check<S>(header: &Header, trailer: &Trailer, scheduler: &S, task_id: &Id) {
... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 17819062e27b48570dd7f510b8bf8cf7b0e52cf4 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/17819062e27b48570dd7f510b8bf8cf7b0e52cf4/tokio/src/runtime/task/core.rs | 241 | 300 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:8 | /// Set and clear the task id in the context when the future is executed or
/// dropped, or when the output produced by the future is dropped.
pub(crate) struct TaskIdGuard {
parent_task_id: Option<Id>,
}
impl TaskIdGuard {
fn enter(id: Id) -> Self {
TaskIdGuard {
parent_task_id: context::s... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 17819062e27b48570dd7f510b8bf8cf7b0e52cf4 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/17819062e27b48570dd7f510b8bf8cf7b0e52cf4/tokio/src/runtime/task/core.rs | 281 | 340 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:9 | Stage::Running(future) => future,
_ => unreachable!("unexpected stage"),
};
// Safety: The caller ensures the future is pinned.
let future = unsafe { Pin::new_unchecked(future) };
let _guard = TaskIdGuard::enter(self.task_id);
... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 17819062e27b48570dd7f510b8bf8cf7b0e52cf4 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/17819062e27b48570dd7f510b8bf8cf7b0e52cf4/tokio/src/runtime/task/core.rs | 321 | 380 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:10 | }
}
/// Takes the task output.
///
/// # Safety
///
/// The caller must ensure it is safe to mutate the `stage` field.
pub(super) fn take_output(&self) -> super::Result<T::Output> {
use std::mem;
self.stage.stage.with_mut(|ptr| {
// Safety:: the caller ensures m... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 17819062e27b48570dd7f510b8bf8cf7b0e52cf4 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/17819062e27b48570dd7f510b8bf8cf7b0e52cf4/tokio/src/runtime/task/core.rs | 361 | 420 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:11 | // the safety requirements on `set_owner_id`.
unsafe { self.owner_id.with(|ptr| *ptr) }
}
/// Gets a pointer to the `Trailer` of the task containing this `Header`.
///
/// # Safety
///
/// The provided raw pointer must point at the header of a task.
pub(super) unsafe fn get_trailer(... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 17819062e27b48570dd7f510b8bf8cf7b0e52cf4 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/17819062e27b48570dd7f510b8bf8cf7b0e52cf4/tokio/src/runtime/task/core.rs | 401 | 460 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:12 | /// Gets the id of the task containing this `Header`.
///
/// # Safety
///
/// The provided raw pointer must point at the header of a task.
pub(super) unsafe fn get_id(me: NonNull<Header>) -> Id {
let ptr = Header::get_id_ptr(me).as_ptr();
*ptr
}
/// Gets the tracing id of t... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 17819062e27b48570dd7f510b8bf8cf7b0e52cf4 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/17819062e27b48570dd7f510b8bf8cf7b0e52cf4/tokio/src/runtime/task/core.rs | 441 | 493 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:13 | pub(super) fn wake_join(&self) {
self.waker.with(|ptr| match unsafe { &*ptr } {
Some(waker) => waker.wake_by_ref(),
None => panic!("waker missing"),
});
}
}
#[test]
#[cfg(not(loom))]
fn header_lte_cache_line() {
assert!(std::mem::size_of::<Header>() <= 8 * std::mem::size... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 17819062e27b48570dd7f510b8bf8cf7b0e52cf4 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/17819062e27b48570dd7f510b8bf8cf7b0e52cf4/tokio/src/runtime/task/core.rs | 481 | 493 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:12 | /// Gets the id of the task containing this `Header`.
///
/// # Safety
///
/// The provided raw pointer must point at the header of a task.
pub(super) unsafe fn get_id(me: NonNull<Header>) -> Id {
let ptr = Header::get_id_ptr(me).as_ptr();
*ptr
}
/// Gets the tracing id of t... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | ab53bf0c4727ae63c6a3a3d772b7bd837d2f49c3 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/ab53bf0c4727ae63c6a3a3d772b7bd837d2f49c3/tokio/src/runtime/task/core.rs | 441 | 495 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:13 | pub(super) fn wake_join(&self) {
self.waker.with(|ptr| match unsafe { &*ptr } {
Some(waker) => waker.wake_by_ref(),
None => panic!("waker missing"),
});
}
}
#[test]
#[cfg(not(loom))]
fn header_lte_cache_line() {
use std::mem::size_of;
assert!(size_of::<Header>() <= ... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | ab53bf0c4727ae63c6a3a3d772b7bd837d2f49c3 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/ab53bf0c4727ae63c6a3a3d772b7bd837d2f49c3/tokio/src/runtime/task/core.rs | 481 | 495 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:5 | /// that this task is stored in. If the task is not in any list, should be
/// the id of the list that it was previously in, or `None` if it has never
/// been in any list.
///
/// Once a task has been bound to a list, it can never be bound to another
/// list, even if removed from the first list.
... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 131e7b4e49c8849298ba54b4e0c99f4b81d869e3 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/131e7b4e49c8849298ba54b4e0c99f4b81d869e3/tokio/src/runtime/task/core.rs | 161 | 220 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:6 | Finished(super::Result<T::Output>),
Consumed,
}
impl<T: Future, S: Schedule> Cell<T, S> {
/// Allocates a new task cell, containing the header, trailer, and core
/// structures.
pub(super) fn new(future: T, scheduler: S, state: State, task_id: Id) -> Box<Cell<T, S>> {
// Separated into a non-ge... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 131e7b4e49c8849298ba54b4e0c99f4b81d869e3 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/131e7b4e49c8849298ba54b4e0c99f4b81d869e3/tokio/src/runtime/task/core.rs | 201 | 260 |
tokio-rs/tokio:tokio/src/runtime/task/core.rs:7 | },
trailer: Trailer::new(),
});
#[cfg(debug_assertions)]
{
// Using a separate function for this code avoids instantiating it separately for every `T`.
unsafe fn check<S>(header: &Header, trailer: &Trailer, scheduler: &S, task_id: &Id) {
let t... | rust | rust | rust-source | tokio-rs/tokio | tokio/src/runtime/task/core.rs | MIT | 131e7b4e49c8849298ba54b4e0c99f4b81d869e3 | github | async-runtime | https://github.com/tokio-rs/tokio/blob/131e7b4e49c8849298ba54b4e0c99f4b81d869e3/tokio/src/runtime/task/core.rs | 241 | 300 |
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