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Fix the return IoEvents of channel poll

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He Sun 2020-12-30 20:27:41 +08:00 committed by Tate, Hongliang Tian
parent 3101d8fa88
commit 0b829ca087
1 changed files with 8 additions and 10 deletions
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18
src/libos/src/fs/channel.rs
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@ -247,17 +247,14 @@ impl<I> Producer<I> {
let writable = { let writable = {
let mut rb_producer = self.inner.lock().unwrap(); let mut rb_producer = self.inner.lock().unwrap();
!rb_producer.is_full() !rb_producer.is_full() || self.is_self_shutdown() || self.is_peer_shutdown()
}; };
if writable { if writable {
events |= IoEvents::OUT; events |= IoEvents::OUT;
} }
if self.is_self_shutdown() {
events |= IoEvents::HUP;
}
if self.is_peer_shutdown() { if self.is_peer_shutdown() {
events |= IoEvents::RDHUP; events |= IoEvents::ERR;
} }
events events
@ -376,15 +373,12 @@ impl<I> Consumer<I> {
let readable = { let readable = {
let mut rb_consumer = self.inner.lock().unwrap(); let mut rb_consumer = self.inner.lock().unwrap();
!rb_consumer.is_empty() !rb_consumer.is_empty() || self.is_self_shutdown() || self.is_peer_shutdown()
}; };
if readable { if readable {
events |= IoEvents::IN; events |= IoEvents::IN;
} }
if self.is_self_shutdown() {
events |= IoEvents::RDHUP;
}
if self.is_peer_shutdown() { if self.is_peer_shutdown() {
events |= IoEvents::HUP; events |= IoEvents::HUP;
} }
@ -417,7 +411,11 @@ impl<I> Consumer<I> {
} }
pub fn items_to_consume(&self) -> usize { pub fn items_to_consume(&self) -> usize {
self.inner.lock().unwrap().len() if self.is_self_shutdown() {
0
} else {
self.inner.lock().unwrap().len()
}
} }
pub fn capacity(&self) -> usize { pub fn capacity(&self) -> usize {