6 use system_error::SystemError;
40     ) -> Result<usize, SystemError> {  in socket()  argument
69     ) -> Result<usize, SystemError> {  in socketpair()  argument
110     ) -> Result<usize, SystemError> {  in setsockopt()  argument
113             .ok_or(SystemError::EBADF)?;  in setsockopt()
134     ) -> Result<usize, SystemError> {  in getsockopt()  argument
139             .ok_or(SystemError::EBADF)?;  in getsockopt()
144                 .map_err(|_| SystemError::ENOPROTOOPT)?;  in getsockopt()
163                     return Err(SystemError::ENOPROTOOPT);  in getsockopt()
176             PosixIpProtocol::try_from(level as u16).map_err(|_| SystemError::ENOPROTOOPT)?;  in getsockopt()
179                 .map_err(|_| SystemError::ENOPROTOOPT)?;  in getsockopt()
183                     return Err(SystemError::ENOPROTOOPT);  in getsockopt()
187         return Err(SystemError::ENOPROTOOPT);  in getsockopt()
197     pub fn connect(fd: usize, addr: *const SockAddr, addrlen: usize) -> Result<usize, SystemError> {  in connect()  argument
201             .ok_or(SystemError::EBADF)?;  in connect()
214     pub fn bind(fd: usize, addr: *const SockAddr, addrlen: usize) -> Result<usize, SystemError> {  in bind()  argument
218             .ok_or(SystemError::EBADF)?;  in bind()
239     ) -> Result<usize, SystemError> {  in sendto()  argument
248             .ok_or(SystemError::EBADF)?;  in sendto()
268     ) -> Result<usize, SystemError> {  in recvfrom()  argument
271             .ok_or(SystemError::EBADF)?;  in recvfrom()
296     pub fn recvmsg(fd: usize, msg: &mut MsgHdr, _flags: u32) -> Result<usize, SystemError> {  in recvmsg()  argument
302             .ok_or(SystemError::EBADF)?;  in recvmsg()
328     pub fn listen(fd: usize, backlog: usize) -> Result<usize, SystemError> {  in listen()  argument
331             .ok_or(SystemError::EBADF)?;  in listen()
343     pub fn shutdown(fd: usize, how: usize) -> Result<usize, SystemError> {  in shutdown()  argument
346             .ok_or(SystemError::EBADF)?;  in shutdown()
359     pub fn accept(fd: usize, addr: *mut SockAddr, addrlen: *mut u32) -> Result<usize, SystemError> {  in accept()  argument
385     ) -> Result<usize, SystemError> {  in accept4()  argument
388             return Err(SystemError::EINVAL);  in accept4()
403     ) -> Result<usize, SystemError> {  in do_accept()  argument
406             .ok_or(SystemError::EBADF)?;  in do_accept()
455     ) -> Result<usize, SystemError> {  in getsockname()  argument
457             return Err(SystemError::EINVAL);  in getsockname()
461             .ok_or(SystemError::EBADF)?;  in getsockname()
463         let endpoint: Endpoint = socket.endpoint().ok_or(SystemError::EINVAL)?;  in getsockname()
484     ) -> Result<usize, SystemError> {  in getpeername()  argument
486             return Err(SystemError::EINVAL);  in getpeername()
491             .ok_or(SystemError::EBADF)?;  in getpeername()
493         let endpoint: Endpoint = socket.peer_endpoint().ok_or(SystemError::EINVAL)?;  in getpeername()
562     pub fn to_endpoint(addr: *const SockAddr, len: usize) -> Result<Endpoint, SystemError> {  in to_endpoint()  argument
567         .map_err(|_| SystemError::EFAULT)?;  in to_endpoint()
569         let addr = unsafe { addr.as_ref() }.ok_or(SystemError::EFAULT)?;  in to_endpoint()
574                         return Err(SystemError::EINVAL);  in to_endpoint()
590                         .map_err(|_| SystemError::EINVAL)?  in to_endpoint()
592                         .map_err(|_| SystemError::EINVAL)?;  in to_endpoint()
601                         return Err(SystemError::ENOTSOCK);  in to_endpoint()
610                     return Err(SystemError::EINVAL);  in to_endpoint()
614                     return Err(SystemError::EINVAL);  in to_endpoint()
617                     return Err(SystemError::EINVAL);  in to_endpoint()
624     pub fn len(&self) -> Result<usize, SystemError> {  in len()  argument
629             AddressFamily::Unix => Err(SystemError::EINVAL),  in len()
630             _ => Err(SystemError::EINVAL),  in len()
646     ) -> Result<usize, SystemError> {  in write_to_user()  argument
657         .map_err(|_| SystemError::EFAULT)?;  in write_to_user()
663         .map_err(|_| SystemError::EFAULT)?;  in write_to_user()
810     type Error = SystemError;
815             None => Err(SystemError::EPROTONOSUPPORT),  in try_from()
931     type Error = SystemError;
936             None => Err(SystemError::EINVAL),  in try_from()
1020     type Error = SystemError;
1025             None => Err(SystemError::EINVAL),  in try_from()