8 use crate::{driver::net::NetDriver, kwarn, libs::rwlock::RwLock, syscall::SystemError};
41     type Error = SystemError;
45         <Self as FromPrimitive>::from_i32(value).ok_or(SystemError::EINVAL)  in try_from()
72     fn read(&self, buf: &mut [u8]) -> (Result<usize, SystemError>, Endpoint);  in read()  argument
80     fn write(&self, buf: &[u8], to: Option<Endpoint>) -> Result<usize, SystemError>;  in write()  argument
92     fn connect(&mut self, endpoint: Endpoint) -> Result<(), SystemError>;  in connect()  argument
101     fn bind(&mut self, _endpoint: Endpoint) -> Result<(), SystemError> {  in bind()  argument
102         return Err(SystemError::ENOSYS);  in bind()
112     fn shutdown(&self, _type: ShutdownType) -> Result<(), SystemError> {  in shutdown()  argument
113         return Err(SystemError::ENOSYS);  in shutdown()
121     fn listen(&mut self, _backlog: usize) -> Result<(), SystemError> {  in listen()  argument
122         return Err(SystemError::ENOSYS);  in listen()
130     fn accept(&mut self) -> Result<(Box<dyn Socket>, Endpoint), SystemError> {  in accept()  argument
131         return Err(SystemError::ENOSYS);  in accept()
177     ) -> Result<usize, SystemError> {  in ioctl()  argument
182     fn metadata(&self) -> Result<SocketMetadata, SystemError>;  in metadata()  argument
198     ) -> Result<(), SystemError> {  in setsockopt()  argument
200         return Err(SystemError::ENOSYS);  in setsockopt()