| /DragonOS-0.1.8/kernel/src/filesystem/vfs/ |
| D | mod.rs | 14 use crate::{libs::casting::DowncastArc, syscall::SystemError, time::TimeSpec};
93 fn open(&self, _data: &mut FilePrivateData, _mode: &FileMode) -> Result<(), SystemError> { in open() argument
95 return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP); in open()
102 fn close(&self, _data: &mut FilePrivateData) -> Result<(), SystemError> { in close() argument
104 return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP); in close()
122 ) -> Result<usize, SystemError>; in read_at() argument
139 ) -> Result<usize, SystemError>; in write_at() argument
144 fn poll(&self) -> Result<PollStatus, SystemError>; in poll() argument
150 fn metadata(&self) -> Result<Metadata, SystemError> { in metadata() argument
152 return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP); in metadata()
[all …]
|
| D | syscall.rs | 9 syscall::{Syscall, SystemError},
129 pub fn open(path: &str, mode: FileMode) -> Result<usize, SystemError> { in open() argument
133 return Err(SystemError::ENAMETOOLONG); in open()
136 let inode: Result<Arc<dyn IndexNode>, SystemError> = ROOT_INODE().lookup(path); in open()
143 && errno == SystemError::ENOENT in open()
164 return Err(SystemError::ENOTDIR); in open()
194 pub fn close(fd: usize) -> Result<usize, SystemError> { in close() argument
206 pub fn read(fd: i32, buf: &mut [u8]) -> Result<usize, SystemError> { in read() argument
210 return Err(SystemError::EBADF); in read()
224 pub fn write(fd: i32, buf: &[u8]) -> Result<usize, SystemError> { in write() argument
[all …]
|
| D | mount.rs | 8 use crate::{libs::spinlock::SpinLock, syscall::SystemError};
104 fn is_mountpoint_root(&self) -> Result<bool, SystemError> { in is_mountpoint_root() argument
126 fn open(&self, data: &mut FilePrivateData, mode: &FileMode) -> Result<(), SystemError> { in open() argument
130 fn close(&self, data: &mut FilePrivateData) -> Result<(), SystemError> { in close() argument
140 ) -> Result<Arc<dyn IndexNode>, SystemError> { in create_with_data() argument
146 fn truncate(&self, len: usize) -> Result<(), SystemError> { in truncate() argument
156 ) -> Result<usize, SystemError> { in read_at() argument
166 ) -> Result<usize, SystemError> { in write_at() argument
171 fn poll(&self) -> Result<super::PollStatus, SystemError> { in poll() argument
186 fn metadata(&self) -> Result<super::Metadata, SystemError> { in metadata() argument
[all …]
|
| D | core.rs | 21 syscall::SystemError,
115 ) -> Result<(), SystemError> { in do_migrate() argument
133 fn migrate_virtual_filesystem(new_fs: Arc<dyn FileSystem>) -> Result<(), SystemError> { in migrate_virtual_filesystem() argument
179 let fatfs: Result<Arc<FATFileSystem>, SystemError> = FATFileSystem::new(partiton); in mount_root_fs()
203 pub fn do_mkdir(path: &str, _mode: FileMode) -> Result<u64, SystemError> { in do_mkdir() argument
206 return Err(SystemError::ENAMETOOLONG); in do_mkdir()
209 let inode: Result<Arc<dyn IndexNode>, SystemError> = ROOT_INODE().lookup(path); in do_mkdir()
214 if errno == SystemError::ENOENT { in do_mkdir()
232 pub fn do_remove_dir(path: &str) -> Result<u64, SystemError> { in do_remove_dir() argument
235 return Err(SystemError::ENAMETOOLONG); in do_remove_dir()
[all …]
|
| /DragonOS-0.1.8/kernel/src/filesystem/sysfs/ |
| D | bus.rs | 2 use crate::{filesystem::vfs::IndexNode, kdebug, syscall::SystemError};
10 pub fn sys_bus_register(bus_name: &str) -> Result<Arc<dyn IndexNode>, SystemError> { in sys_bus_register() argument
16 .ok_or(SystemError::E2BIG) in sys_bus_register()
25 pub fn sys_bus_unregister(bus_name: &str) -> Result<(), SystemError> { in sys_bus_unregister() argument
30 .ok_or(SystemError::E2BIG) in sys_bus_unregister()
40 ) -> Result<(Arc<dyn IndexNode>, Arc<dyn IndexNode>), SystemError> { in sys_bus_init() argument
49 None => Err(SystemError::E2BIG), in sys_bus_init()
57 pub fn bus_driver_register(bus_name: &str, name: &str) -> Result<Arc<dyn IndexNode>, SystemError> { in bus_driver_register() argument
63 .ok_or(SystemError::E2BIG) in bus_driver_register()
66 Err(_) => return Err(SystemError::EXDEV), in bus_driver_register()
[all …]
|
| D | class.rs | 2 use crate::{filesystem::vfs::IndexNode, syscall::SystemError};
10 pub fn sys_class_register(class_name: &str) -> Result<Arc<dyn IndexNode>, SystemError> { in sys_class_register() argument
15 .ok_or(SystemError::E2BIG) in sys_class_register()
25 pub fn sys_class_unregister(class_name: &str) -> Result<(), SystemError> { in sys_class_unregister() argument
30 .ok_or(SystemError::E2BIG) in sys_class_unregister()
44 ) -> Result<Arc<dyn IndexNode>, SystemError> { in class_device_register() argument
48 .ok_or(SystemError::E2BIG) in class_device_register()
62 ) -> Result<(), SystemError> { in class_device_unregister() argument
66 .ok_or(SystemError::E2BIG) in class_device_unregister()
|
| D | devices.rs | 2 use crate::{filesystem::vfs::IndexNode, syscall::SystemError};
10 pub fn sys_device_register(device_name: &str) -> Result<Arc<dyn IndexNode>, SystemError> { in sys_device_register() argument
15 .ok_or(SystemError::E2BIG) in sys_device_register()
25 pub fn sys_device_unregister(device_name: &str) -> Result<(), SystemError> { in sys_device_unregister() argument
30 .ok_or(SystemError::E2BIG) in sys_device_unregister()
|
| D | fs.rs | 2 use crate::{filesystem::vfs::IndexNode, syscall::SystemError};
10 pub fn fs_register(fs_name: &str) -> Result<Arc<dyn IndexNode>, SystemError> { in fs_register() argument
15 .ok_or(SystemError::E2BIG) in fs_register()
25 pub fn fs_unregister(fs_name: &str) -> Result<(), SystemError> { in fs_unregister() argument
30 .ok_or(SystemError::E2BIG) in fs_unregister()
|
| D | mod.rs | 7 syscall::SystemError,
160 ) -> Result<(), SystemError> { in open() argument
164 fn close(&self, _data: &mut super::vfs::FilePrivateData) -> Result<(), SystemError> { in close() argument
174 ) -> Result<usize, SystemError> { in read_at() argument
175 return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP); in read_at()
184 ) -> Result<usize, SystemError> { in write_at() argument
185 return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP); in write_at()
188 fn poll(&self) -> Result<super::vfs::PollStatus, SystemError> { in poll() argument
194 return Err(SystemError::EISDIR); in poll()
200 fn metadata(&self) -> Result<Metadata, SystemError> { in metadata() argument
[all …]
|
| /DragonOS-0.1.8/kernel/src/libs/ |
| D | vec_cursor.rs | 7 use crate::{io::SeekFrom, syscall::SystemError};
45 pub fn read_u8(&mut self) -> Result<u8, SystemError> { in read_u8() argument
47 return Err(SystemError::E2BIG); in read_u8()
54 pub fn read_u16(&mut self) -> Result<u16, SystemError> { in read_u16() argument
56 return Err(SystemError::E2BIG); in read_u16()
68 pub fn read_u32(&mut self) -> Result<u32, SystemError> { in read_u32() argument
70 return Err(SystemError::E2BIG); in read_u32()
82 pub fn read_u64(&mut self) -> Result<u64, SystemError> { in read_u64() argument
84 return Err(SystemError::E2BIG); in read_u64()
101 pub fn read_exact(&mut self, buf: &mut [u8]) -> Result<(), SystemError> { in read_exact() argument
[all …]
|
| D | lockref.rs | 3 use crate::{arch::asm::cmpxchg::try_cmpxchg_q, syscall::SystemError};
114 return Err(SystemError::ETIMEDOUT.to_posix_errno()); in cmpxchg_loop()
123 return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP.to_posix_errno()); in cmpxchg_loop()
144 pub fn inc_not_zero(&mut self) -> Result<i32, SystemError> { in inc_not_zero() argument
151 return Err(SystemError::EPERM); in inc_not_zero()
154 let mut retval = Err(SystemError::EPERM); in inc_not_zero()
172 pub fn inc_not_dead(&mut self) -> Result<i32, SystemError> { in inc_not_dead() argument
178 return Err(SystemError::EPERM); in inc_not_dead()
182 let mut retval = Err(SystemError::EPERM); in inc_not_dead()
202 pub fn dec(&mut self) -> Result<i32, SystemError> { in dec() argument
[all …]
|
| D | notifier.rs | 5 syscall::SystemError,
32 ) -> Result<(), SystemError> { in register() argument
43 return Err(SystemError::EEXIST); in register()
52 return Err(SystemError::EBUSY); in register()
64 pub fn unregister(&mut self, block: Arc<dyn NotifierBlock<T>>) -> Result<(), SystemError> { in unregister() argument
69 0 => return Err(SystemError::ENOENT), in unregister()
106 pub fn register(&mut self, block: Arc<dyn NotifierBlock<T>>) -> Result<(), SystemError> { in register() argument
114 ) -> Result<(), SystemError> { in register_unique_prio() argument
119 pub fn unregister(&mut self, block: Arc<dyn NotifierBlock<T>>) -> Result<(), SystemError> { in unregister() argument
144 pub fn register(&mut self, block: Arc<dyn NotifierBlock<T>>) -> Result<(), SystemError> { in register() argument
[all …]
|
| /DragonOS-0.1.8/kernel/src/filesystem/ramfs/ |
| D | mod.rs | 13 syscall::SystemError,
123 ) -> Result<usize, SystemError> { in read_at() argument
125 return Err(SystemError::EINVAL); in read_at()
132 return Err(SystemError::EISDIR); in read_at()
140 return Err(SystemError::ENOBUFS); in read_at()
155 ) -> Result<usize, SystemError> { in write_at() argument
157 return Err(SystemError::EINVAL); in write_at()
165 return Err(SystemError::EISDIR); in write_at()
180 fn poll(&self) -> Result<PollStatus, SystemError> { in poll() argument
186 return Err(SystemError::EISDIR); in poll()
[all …]
|
| /DragonOS-0.1.8/kernel/src/driver/disk/ahci/ |
| D | ahci_inode.rs | 8 use crate::syscall::SystemError;
78 fn open(&self, _data: &mut FilePrivateData, _mode: &FileMode) -> Result<(), SystemError> { in open() argument
79 Err(SystemError::EOPNOTSUPP_OR_ENOTSUP) in open()
82 fn close(&self, _data: &mut FilePrivateData) -> Result<(), SystemError> { in close() argument
83 Err(SystemError::EOPNOTSUPP_OR_ENOTSUP) in close()
86 fn metadata(&self) -> Result<Metadata, SystemError> { in metadata() argument
94 fn list(&self) -> Result<Vec<String>, SystemError> { in list() argument
95 Err(SystemError::EOPNOTSUPP_OR_ENOTSUP) in list()
98 fn set_metadata(&self, metadata: &Metadata) -> Result<(), SystemError> { in set_metadata() argument
110 fn poll(&self) -> Result<PollStatus, SystemError> { in poll() argument
[all …]
|
| /DragonOS-0.1.8/kernel/src/mm/ |
| D | syscall.rs | 10 syscall::{Syscall, SystemError},
70 pub fn brk(new_addr: VirtAddr) -> Result<VirtAddr, SystemError> { in brk() argument
91 pub fn sbrk(incr: isize) -> Result<VirtAddr, SystemError> { in sbrk() argument
125 ) -> Result<usize, SystemError> { in mmap() argument
136 return Err(SystemError::EINVAL); in mmap()
141 return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP); in mmap()
147 return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP); in mmap()
170 pub fn munmap(start_vaddr: VirtAddr, len: usize) -> Result<usize, SystemError> { in munmap() argument
175 return Err(SystemError::EINVAL); in munmap()
178 return Err(SystemError::EINVAL); in munmap()
[all …]
|
| /DragonOS-0.1.8/docs/kernel/locking/ |
| D | lockref.md | 62 - `pub fn inc_not_zero(&mut self) -> Result<i32, SystemError>`
63 - `pub fn inc_not_dead(&mut self) -> Result<i32, SystemError>`
86 | Err(SystemError::EPERM) | 失败，返回EPERM |
99 | Err(SystemError::EPERM) | 失败，返回EPERM |
102 - `pub fn dec(&mut self) -> Result<i32, SystemError>`
103 - `pub fn dec_return(&mut self) -> Result<i32, SystemError>`
104 - `pub fn dec_not_zero(&mut self) -> Result<i32, SystemError>`
105 - `pub fn dec_or_lock_not_zero(&mut self) -> Result<i32, SystemError>`
111   原子地将引用计数-1。如果已处于count≤0的状态，则返回Err(SystemError::EPERM)
120 | Err(SystemError::EPERM) | 失败，返回EPERM |
[all …]
|
| /DragonOS-0.1.8/kernel/src/net/ |
| D | mod.rs | 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()
[all …]
|
| D | syscall.rs | 16 syscall::{Syscall, SystemError},
34 ) -> Result<usize, SystemError> { in socket() argument
49 return Err(SystemError::EINVAL); in socket()
54 return Err(SystemError::EAFNOSUPPORT); in socket()
79 ) -> Result<usize, SystemError> { in setsockopt() argument
82 .ok_or(SystemError::EBADF)?; in setsockopt()
103 ) -> Result<usize, SystemError> { in getsockopt() argument
108 .ok_or(SystemError::EBADF)?; in getsockopt()
113 .map_err(|_| SystemError::ENOPROTOOPT)?; in getsockopt()
133 return Err(SystemError::ENOPROTOOPT); in getsockopt()
[all …]
|
| /DragonOS-0.1.8/kernel/src/driver/tty/ |
| D | tty_device.rs | 15 syscall::SystemError,
63 ) -> Result<&'a mut TtyFilePrivateData, SystemError> { in verify_file_private_data() argument
67 return Err(SystemError::EIO); in verify_file_private_data()
78 pub fn check_rw_param(&self, len: usize, buf: &[u8]) -> Result<(), SystemError> { in check_rw_param() argument
80 return Err(SystemError::EINVAL); in check_rw_param()
86 pub fn input(&self, buf: &[u8]) -> Result<usize, SystemError> { in input() argument
95 TtyError::Closed => return Err(SystemError::ENODEV), in input()
98 return Err(SystemError::EBUSY); in input()
120 fn open(&self, data: &mut FilePrivateData, mode: &FileMode) -> Result<(), SystemError> { in open() argument
134 return Err(SystemError::EINVAL); in open()
[all …]
|
| /DragonOS-0.1.8/kernel/src/filesystem/devfs/ |
| D | mod.rs | 13 syscall::SystemError,
102 ) -> Result<(), SystemError> { in register_device() argument
141 return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP); in register_device()
153 ) -> Result<(), SystemError> { in unregister_device() argument
159 return Err(SystemError::ENOENT); in unregister_device()
172 return Err(SystemError::ENOENT); in unregister_device()
184 return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP); in unregister_device()
248 pub fn add_dir(&self, name: &str) -> Result<(), SystemError> { in add_dir() argument
252 return Err(SystemError::EEXIST); in add_dir()
265 pub fn add_dev(&self, name: &str, dev: Arc<dyn IndexNode>) -> Result<(), SystemError> { in add_dev() argument
[all …]
|
| D | zero_dev.rs | 6 use crate::{libs::spinlock::SpinLock, syscall::SystemError, time::TimeSpec};
72 fn open(&self, _data: &mut FilePrivateData, _mode: &FileMode) -> Result<(), SystemError> { in open() argument
76 fn close(&self, _data: &mut FilePrivateData) -> Result<(), SystemError> { in close() argument
80 fn metadata(&self) -> Result<Metadata, SystemError> { in metadata() argument
88 fn list(&self) -> Result<Vec<String>, SystemError> { in list() argument
89 Err(SystemError::EOPNOTSUPP_OR_ENOTSUP) in list()
92 fn set_metadata(&self, metadata: &Metadata) -> Result<(), SystemError> { in set_metadata() argument
104 fn poll(&self) -> Result<PollStatus, SystemError> { in poll() argument
115 ) -> Result<usize, SystemError> { in read_at() argument
117 return Err(SystemError::EINVAL); in read_at()
[all …]
|
| /DragonOS-0.1.8/kernel/src/process/ |
| D | syscall.rs | 6 syscall::{Syscall, SystemError},
15 pub fn fork(&self) -> Result<usize, SystemError> { in fork() argument
21 pub fn vfork(&self) -> Result<usize, SystemError> { in vfork() argument
31 ) -> Result<usize, SystemError> { in execve() argument
41 ) -> Result<usize, SystemError> { in wait4() argument
45 SystemError::from_posix_errno((ret as isize) as i32).expect("wait4: Invalid errno") in wait4()
62 pub fn getpid() -> Result<usize, SystemError> { in getpid()
|
| /DragonOS-0.1.8/kernel/src/filesystem/procfs/ |
| D | mod.rs | 21 syscall::SystemError,
117 fn open_status(&self, pdata: &mut ProcfsFilePrivateData) -> Result<i64, SystemError> { in open_status() argument
126 return Err(SystemError::ESRCH); in open_status()
203 ) -> Result<usize, SystemError> { in read_status() argument
209 return Err(SystemError::ENOBUFS); in read_status()
283 pub fn register_pid(&self, pid: i64) -> Result<(), SystemError> { in register_pid() argument
305 pub fn unregister_pid(&self, pid: i64) -> Result<(), SystemError> { in unregister_pid() argument
324 fn open(&self, data: &mut FilePrivateData, _mode: &FileMode) -> Result<(), SystemError> { in open() argument
347 fn close(&self, data: &mut FilePrivateData) -> Result<(), SystemError> { in close() argument
371 ) -> Result<usize, SystemError> { in read_at() argument
[all …]
|
| /DragonOS-0.1.8/kernel/src/time/ |
| D | syscall.rs | 7 syscall::{Syscall, SystemError},
52 ) -> Result<usize, SystemError> { in nanosleep() argument
54 return Err(SystemError::EFAULT); in nanosleep()
61 let r: Result<usize, SystemError> = nanosleep(slt_spec).map(|slt_spec| { in nanosleep()
75 pub fn clock() -> Result<usize, SystemError> { in clock()
82 ) -> Result<usize, SystemError> { in gettimeofday() argument
86 return Err(SystemError::EFAULT); in gettimeofday()
|
| /DragonOS-0.1.8/kernel/src/syscall/ |
| D | user_access.rs | 8 use super::SystemError;
24 pub unsafe fn clear_user(dest: VirtAddr, len: usize) -> Result<usize, SystemError> { in clear_user() argument
25 verify_area(dest, len).map_err(|_| SystemError::EFAULT)?; in clear_user()
33 pub unsafe fn copy_to_user(dest: VirtAddr, src: &[u8]) -> Result<usize, SystemError> { in copy_to_user() argument
34 verify_area(dest, src.len()).map_err(|_| SystemError::EFAULT)?; in copy_to_user()
43 pub unsafe fn copy_from_user(dst: &mut [u8], src: VirtAddr) -> Result<usize, SystemError> { in copy_from_user() argument
44 verify_area(src, dst.len()).map_err(|_| SystemError::EFAULT)?; in copy_from_user()
72 ) -> Result<String, SystemError> { in check_and_clone_cstr() argument
94 return Ok(String::from_utf8(buffer).map_err(|_| SystemError::EFAULT)?); in check_and_clone_cstr()
111 pub fn check_and_clone_cstr_array(user: *const *const u8) -> Result<Vec<String>, SystemError> { in check_and_clone_cstr_array() argument
|