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More robust file implementation

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Signed-off-by: Yoshua Wuyts <yoshuawuyts@gmail.com>
This commit is contained in:
Stjepan Glavina 2019-09-05 01:23:27 +02:00 committed by Yoshua Wuyts
parent 98d9284e64
commit 17c95a39d7
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GPG key ID: 24EA8164F96777ED
4 changed files with 466 additions and 457 deletions
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3
Cargo.toml
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@ -27,10 +27,9 @@ unstable = []
async-task = "1.0.0" async-task = "1.0.0"
cfg-if = "0.1.9" cfg-if = "0.1.9"
crossbeam-channel = "0.3.9" crossbeam-channel = "0.3.9"
futures-channel-preview = "0.3.0-alpha.18"
futures-core-preview = "0.3.0-alpha.18" futures-core-preview = "0.3.0-alpha.18"
futures-io-preview = "0.3.0-alpha.18" futures-io-preview = "0.3.0-alpha.18"
futures-timer = "0.3.0" futures-timer = "0.4.0"
lazy_static = "1.3.0" lazy_static = "1.3.0"
log = { version = "0.4.8", features = ["kv_unstable"] } log = { version = "0.4.8", features = ["kv_unstable"] }
memchr = "2.2.1" memchr = "2.2.1"

2
examples/print-file.rs
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@ -7,7 +7,7 @@ use async_std::io;
use async_std::prelude::*; use async_std::prelude::*;
use async_std::task; use async_std::task;
const LEN: usize = 4 * 1024 * 1024; // 4 Mb const LEN: usize = 16 * 1024; // 16 Kb
fn main() -> io::Result<()> { fn main() -> io::Result<()> {
let path = args().nth(1).expect("missing path argument"); let path = args().nth(1).expect("missing path argument");

900
src/fs/file.rs
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File diff suppressed because it is too large Load diff

12
src/net/driver/mod.rs
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@ -213,7 +213,11 @@ impl<T: Evented> IoHandle<T> {
let mut readiness = mio::Ready::from_usize(self.entry.readiness.load(Ordering::SeqCst)); let mut readiness = mio::Ready::from_usize(self.entry.readiness.load(Ordering::SeqCst));
if (readiness & mask).is_empty() { if (readiness & mask).is_empty() {
self.entry.readers.lock().unwrap().push(cx.waker().clone()); let mut list = self.entry.readers.lock().unwrap();
if list.iter().all(|w| !w.will_wake(cx.waker())) {
list.push(cx.waker().clone());
}
readiness = mio::Ready::from_usize(self.entry.readiness.fetch_or(0, Ordering::SeqCst)); readiness = mio::Ready::from_usize(self.entry.readiness.fetch_or(0, Ordering::SeqCst));
} }
@ -250,7 +254,11 @@ impl<T: Evented> IoHandle<T> {
let mut readiness = mio::Ready::from_usize(self.entry.readiness.load(Ordering::SeqCst)); let mut readiness = mio::Ready::from_usize(self.entry.readiness.load(Ordering::SeqCst));
if (readiness & mask).is_empty() { if (readiness & mask).is_empty() {
self.entry.writers.lock().unwrap().push(cx.waker().clone()); let mut list = self.entry.writers.lock().unwrap();
if list.iter().all(|w| !w.will_wake(cx.waker())) {
list.push(cx.waker().clone());
}
readiness = mio::Ready::from_usize(self.entry.readiness.fetch_or(0, Ordering::SeqCst)); readiness = mio::Ready::from_usize(self.entry.readiness.fetch_or(0, Ordering::SeqCst));
} }