forked from mirror/async-std
More robust file implementation
Signed-off-by: Yoshua Wuyts <yoshuawuyts@gmail.com>
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98d9284e64
commit
17c95a39d7
4 changed files with 466 additions and 457 deletions
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@ -27,10 +27,9 @@ unstable = []
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async-task = "1.0.0"
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cfg-if = "0.1.9"
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crossbeam-channel = "0.3.9"
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futures-channel-preview = "0.3.0-alpha.18"
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futures-core-preview = "0.3.0-alpha.18"
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futures-io-preview = "0.3.0-alpha.18"
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futures-timer = "0.3.0"
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futures-timer = "0.4.0"
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lazy_static = "1.3.0"
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log = { version = "0.4.8", features = ["kv_unstable"] }
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memchr = "2.2.1"
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@ -7,7 +7,7 @@ use async_std::io;
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use async_std::prelude::*;
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use async_std::task;
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const LEN: usize = 4 * 1024 * 1024; // 4 Mb
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const LEN: usize = 16 * 1024; // 16 Kb
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fn main() -> io::Result<()> {
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let path = args().nth(1).expect("missing path argument");
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906
src/fs/file.rs
906
src/fs/file.rs
File diff suppressed because it is too large
Load diff
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@ -213,7 +213,11 @@ impl<T: Evented> IoHandle<T> {
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let mut readiness = mio::Ready::from_usize(self.entry.readiness.load(Ordering::SeqCst));
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if (readiness & mask).is_empty() {
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self.entry.readers.lock().unwrap().push(cx.waker().clone());
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let mut list = self.entry.readers.lock().unwrap();
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if list.iter().all(|w| !w.will_wake(cx.waker())) {
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list.push(cx.waker().clone());
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}
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readiness = mio::Ready::from_usize(self.entry.readiness.fetch_or(0, Ordering::SeqCst));
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}
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@ -250,7 +254,11 @@ impl<T: Evented> IoHandle<T> {
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let mut readiness = mio::Ready::from_usize(self.entry.readiness.load(Ordering::SeqCst));
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if (readiness & mask).is_empty() {
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self.entry.writers.lock().unwrap().push(cx.waker().clone());
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let mut list = self.entry.writers.lock().unwrap();
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if list.iter().all(|w| !w.will_wake(cx.waker())) {
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list.push(cx.waker().clone());
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}
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readiness = mio::Ready::from_usize(self.entry.readiness.fetch_or(0, Ordering::SeqCst));
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}
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