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Remove pointless error codes in unregister_observer

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This commit is contained in:
Ruihan Li
2024-04-20 23:17:20 -07:00
committed by Tate, Hongliang Tian
parent 57f4ed778d
commit ab87f473c4
6 changed files with 13 additions and 21 deletions
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6
kernel/aster-nix/src/fs/epoll/epoll_file.rs
View File

@ -353,10 +353,8 @@ impl FileLike for EpollFile {
fn unregister_observer(
&self,
observer: &Weak<dyn Observer<IoEvents>>,
) -> Result<Weak<dyn Observer<IoEvents>>> {
self.pollee
.unregister_observer(observer)
.ok_or_else(|| Error::with_message(Errno::ENOENT, "observer is not registered"))
) -> Option<Weak<dyn Observer<IoEvents>>> {
self.pollee.unregister_observer(observer)
}
}

5
kernel/aster-nix/src/fs/file_handle.rs
View File

@ -96,11 +96,12 @@ pub trait FileLike: Send + Sync + Any {
return_errno_with_message!(Errno::EINVAL, "register_observer is not supported")
}
#[must_use]
fn unregister_observer(
&self,
observer: &Weak<dyn Observer<IoEvents>>,
) -> Result<Weak<dyn Observer<IoEvents>>> {
return_errno_with_message!(Errno::EINVAL, "unregister_observer is not supported")
) -> Option<Weak<dyn Observer<IoEvents>>> {
None
}
fn as_socket(self: Arc<Self>) -> Option<Arc<dyn Socket>> {

4
kernel/aster-nix/src/fs/pipe.rs
View File

@ -71,7 +71,7 @@ impl FileLike for PipeReader {
fn unregister_observer(
&self,
observer: &Weak<dyn Observer<IoEvents>>,
) -> Result<Weak<dyn Observer<IoEvents>>> {
) -> Option<Weak<dyn Observer<IoEvents>>> {
self.consumer.unregister_observer(observer)
}
}
@ -137,7 +137,7 @@ impl FileLike for PipeWriter {
fn unregister_observer(
&self,
observer: &Weak<dyn Observer<IoEvents>>,
) -> Result<Weak<dyn Observer<IoEvents>>> {
) -> Option<Weak<dyn Observer<IoEvents>>> {
self.producer.unregister_observer(observer)
}
}

7
kernel/aster-nix/src/fs/utils/channel.rs
View File

@ -98,11 +98,8 @@ macro_rules! impl_common_methods_for_channel {
pub fn unregister_observer(
&self,
observer: &Weak<dyn Observer<IoEvents>>,
) -> Result<Weak<dyn Observer<IoEvents>>> {
self.this_end()
.pollee
.unregister_observer(observer)
.ok_or_else(|| Error::with_message(Errno::ENOENT, "the observer is not registered"))
) -> Option<Weak<dyn Observer<IoEvents>>> {
self.this_end().pollee.unregister_observer(observer)
}
};
}

6
kernel/aster-nix/src/net/socket/ip/datagram/mod.rs
View File

@ -224,10 +224,8 @@ impl FileLike for DatagramSocket {
fn unregister_observer(
&self,
observer: &Weak<dyn Observer<IoEvents>>,
) -> Result<Weak<dyn Observer<IoEvents>>> {
self.pollee
.unregister_observer(observer)
.ok_or_else(|| Error::with_message(Errno::ENOENT, "observer is not registered"))
) -> Option<Weak<dyn Observer<IoEvents>>> {
self.pollee.unregister_observer(observer)
}
}

6
kernel/aster-nix/src/net/socket/ip/stream/mod.rs
View File

@ -366,10 +366,8 @@ impl FileLike for StreamSocket {
fn unregister_observer(
&self,
observer: &Weak<dyn Observer<IoEvents>>,
) -> Result<Weak<dyn Observer<IoEvents>>> {
self.pollee
.unregister_observer(observer)
.ok_or_else(|| Error::with_message(Errno::ENOENT, "observer is not registered"))
) -> Option<Weak<dyn Observer<IoEvents>>> {
self.pollee.unregister_observer(observer)
}
}