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/DragonOS-0.1.5/kernel/src/filesystem/vfs/
Dmod.rs94 fn open(&self, _data: &mut FilePrivateData) -> Result<(), i32> { in open() argument
103 fn close(&self, _data: &mut FilePrivateData) -> Result<(), i32> { in close() argument
123 ) -> Result<usize, i32>; in read_at()
140 ) -> Result<usize, i32>; in write_at()
145 fn poll(&self) -> Result<PollStatus, i32>; in poll()
151 fn metadata(&self) -> Result<Metadata, i32> { in metadata()
160 fn set_metadata(&self, _metadata: &Metadata) -> Result<(), i32> { in set_metadata() argument
169 fn resize(&self, _len: usize) -> Result<(), i32> { in resize() argument
187 ) -> Result<Arc<dyn IndexNode>, i32> { in create()
207 ) -> Result<Arc<dyn IndexNode>, i32> { in create_with_data()
[all …]
Dmount.rs107 fn is_mountpoint_root(&self) -> Result<bool, i32> { in is_mountpoint_root()
129 fn open(&self, data: &mut FilePrivateData) -> Result<(), i32> { in open() argument
133 fn close(&self, data: &mut FilePrivateData) -> Result<(), i32> { in close() argument
143 ) -> Result<Arc<dyn IndexNode>, i32> { in create_with_data()
149 fn truncate(&self, len: usize) -> Result<(), i32> { in truncate() argument
159 ) -> Result<usize, i32> { in read_at()
169 ) -> Result<usize, i32> { in write_at()
176 fn poll(&self) -> Result<super::PollStatus, i32> { in poll()
191 fn metadata(&self) -> Result<super::Metadata, i32> { in metadata()
196 fn set_metadata(&self, metadata: &super::Metadata) -> Result<(), i32> { in set_metadata() argument
[all …]
Dfile.rs99 pub fn new(inode: Arc<dyn IndexNode>, mode: FileMode) -> Result<Self, i32> { in new()
121 pub fn read(&mut self, len: usize, buf: &mut [u8]) -> Result<usize, i32> { in read()
143 pub fn write(&mut self, len: usize, buf: &[u8]) -> Result<usize, i32> { in write()
157 pub fn metadata(&self) -> Result<Metadata, i32> { in metadata()
162 pub fn get_entry_name(&self, ino: usize) -> Result<String, i32> { in get_entry_name()
169 pub fn lseek(&mut self, origin: SeekFrom) -> Result<usize, i32> { in lseek()
199 pub fn readable(&self) -> Result<(), i32> { in readable() argument
210 pub fn writeable(&self) -> Result<(), i32> { in writeable() argument
221 pub fn readdir(&mut self, dirent: &mut Dirent) -> Result<u64, i32> { in readdir()
270 let r: Result<(), i32> = self.inode.close(&mut self.private_data); in drop()
Dcore.rs102 ) -> Result<(), i32> { in do_migrate() argument
120 fn migrate_virtual_filesystem(new_fs: Arc<dyn FileSystem>) -> Result<(), i32> { in migrate_virtual_filesystem() argument
163 let fatfs: Result<Arc<FATFileSystem>, i32> = FATFileSystem::new(partiton); in mount_root_fs()
187 pub fn do_open(path: &str, mode: FileMode) -> Result<i32, i32> { in do_open()
193 let inode: Result<Arc<dyn IndexNode>, i32> = ROOT_INODE().lookup(path); in do_open()
250 pub fn do_read(fd: i32, buf: &mut [u8]) -> Result<usize, i32> { in do_read()
267 pub fn do_write(fd: i32, buf: &[u8]) -> Result<usize, i32> { in do_write()
284 pub fn do_lseek(fd: i32, seek: SeekFrom) -> Result<usize, i32> { in do_lseek()
294 pub fn do_mkdir(path: &str, _mode: FileMode) -> Result<u64, i32> { in do_mkdir()
300 let inode: Result<Arc<dyn IndexNode>, i32> = ROOT_INODE().lookup(path); in do_mkdir()
[all …]
Dsyscall.rs30 let path: Result<&str, core::str::Utf8Error> = path.to_str(); in sys_open()
37 let r: Result<i32, i32> = do_open(path, open_flags); in sys_open()
52 let r: Result<(), i32> = current_pcb().drop_fd(fd); in sys_close()
81 let r: Result<usize, i32> = do_read(fd, buf); in sys_read()
110 let r: Result<usize, i32> = do_write(fd, buf); in sys_write()
138 let r: Result<usize, i32> = do_lseek(fd, w); in sys_lseek()
182 let dest_path: Result<&str, core::str::Utf8Error> = dest_path.to_str(); in sys_chdir()
272 let path: Result<&str, core::str::Utf8Error> = path.to_str(); in sys_mkdir()
312 let path: Result<&str, core::str::Utf8Error> = path.to_str(); in sys_unlink_at()
/DragonOS-0.1.5/kernel/src/libs/
Dvec_cursor.rs48 pub fn read_u8(&mut self) -> Result<u8, i32> { in read_u8()
57 pub fn read_u16(&mut self) -> Result<u16, i32> { in read_u16()
71 pub fn read_u32(&mut self) -> Result<u32, i32> { in read_u32()
85 pub fn read_u64(&mut self) -> Result<u64, i32> { in read_u64()
104 pub fn read_exact(&mut self, buf: &mut [u8]) -> Result<(), i32> { in read_exact() argument
116 pub fn read_u16_into(&mut self, buf: &mut [u16]) -> Result<(), i32> { in read_u16_into() argument
134 pub fn seek(&mut self, origin: SeekFrom) -> Result<usize, i32> { in seek()
160 pub fn write_u8(&mut self, value: u8) -> Result<u8, i32> { in write_u8()
172 pub fn write_u16(&mut self, value: u16) -> Result<u16, i32> { in write_u16()
186 pub fn write_u32(&mut self, value: u32) -> Result<u32, i32> { in write_u32()
[all …]
Dlockref.rs53 fn cmpxchg_loop(&mut self, mode: CmpxchgMode) -> Result<i32, i32> { in cmpxchg_loop()
123 fn cmpxchg_loop(&mut self, mode: CmpxchgMode) -> Result<i32, i32> { in cmpxchg_loop()
147 pub fn inc_not_zero(&mut self) -> Result<i32, i32> { in inc_not_zero()
176 pub fn inc_not_dead(&mut self) -> Result<i32, i32> { in inc_not_dead()
206 pub fn dec(&mut self) -> Result<i32, i32> { in dec()
213 let retval: Result<i32, i32>; in dec()
238 pub fn dec_return(&mut self) -> Result<i32, i32> { in dec_return()
265 pub fn dec_not_zero(&mut self) -> Result<i32, i32> { in dec_not_zero()
275 let retval: Result<i32, i32>; in dec_not_zero()
296 pub fn dec_or_lock_not_zero(&mut self) -> Result<i32, i32> { in dec_or_lock_not_zero()
[all …]
Dsemaphore.rs21 fn new(counter: i32) -> Result<Self, i32> { in new()
/DragonOS-0.1.5/kernel/src/filesystem/devfs/
Dnull_dev.rs75 fn open(&self, _data: &mut FilePrivateData) -> Result<(), i32> { in open() argument
79 fn close(&self, _data: &mut FilePrivateData) -> Result<(), i32> { in close() argument
83 fn metadata(&self) -> Result<Metadata, i32> { in metadata()
91 fn list(&self) -> Result<Vec<String>, i32> { in list()
95 fn set_metadata(&self, metadata: &Metadata) -> Result<(), i32> { in set_metadata() argument
107 fn poll(&self) -> Result<PollStatus, i32> { in poll()
120 ) -> Result<usize, i32> { in read_at()
139 ) -> Result<usize, i32> { in write_at()
Dzero_dev.rs75 fn open(&self, _data: &mut FilePrivateData) -> Result<(), i32> { in open() argument
79 fn close(&self, _data: &mut FilePrivateData) -> Result<(), i32> { in close() argument
83 fn metadata(&self) -> Result<Metadata, i32> { in metadata()
91 fn list(&self) -> Result<Vec<String>, i32> { in list()
95 fn set_metadata(&self, metadata: &Metadata) -> Result<(), i32> { in set_metadata() argument
107 fn poll(&self) -> Result<PollStatus, i32> { in poll()
120 ) -> Result<usize, i32> { in read_at()
139 ) -> Result<usize, i32> { in write_at()
Dmod.rs97 pub fn register_device<T: DeviceINode>(&self, name: &str, device: Arc<T>) -> Result<(), i32> { in register_device() argument
138 pub fn unregister_device<T: DeviceINode>(&self, name: &str, device: Arc<T>) -> Result<(), i32> { in unregister_device() argument
233 pub fn add_dir(&self, name: &str) -> Result<(), i32> { in add_dir() argument
250 pub fn add_dev(&self, name: &str, dev: Arc<dyn IndexNode>) -> Result<(), i32> { in add_dev() argument
261 pub fn remove(&self, name: &str) -> Result<(), i32> { in remove() argument
276 _data: usize,) -> Result<Arc<dyn IndexNode>, i32>{ in do_create_with_data()
325 fn open(&self, _data: &mut super::vfs::FilePrivateData) -> Result<(), i32> { in open() argument
329 fn close(&self, _data: &mut super::vfs::FilePrivateData) -> Result<(), i32> { in close() argument
339 ) -> Result<Arc<dyn IndexNode>, i32> { in create_with_data()
346 fn find(&self, name: &str) -> Result<Arc<dyn IndexNode>, i32> { in find()
[all …]
/DragonOS-0.1.5/kernel/src/driver/disk/ahci/
Dahci_inode.rs80 fn open(&self, _data: &mut FilePrivateData) -> Result<(), i32> { in open() argument
84 fn close(&self, _data: &mut FilePrivateData) -> Result<(), i32> { in close() argument
88 fn metadata(&self) -> Result<Metadata, i32> { in metadata()
96 fn list(&self) -> Result<Vec<String>, i32> { in list()
100 fn set_metadata(&self, metadata: &Metadata) -> Result<(), i32> { in set_metadata() argument
112 fn poll(&self) -> Result<PollStatus, i32> { in poll()
125 ) -> Result<usize, i32> { in read_at()
144 ) -> Result<usize, i32> { in write_at()
Dahcidisk.rs41 fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result { in fmt() argument
57 ) -> Result<usize, i32> { in read_at()
190 ) -> Result<usize, i32> { in write_at()
307 fn sync(&self) -> Result<(), i32> { in sync() argument
319 ) -> Result<Arc<LockedAhciDisk>, i32> { in new()
354 pub fn read_mbr_table(&self) -> Result<MbrDiskPartionTable, i32> { in read_mbr_table()
407 ) -> Result<usize, i32> { in read_at()
421 ) -> Result<usize, i32> { in write_at()
425 fn sync(&self) -> Result<(), i32> { in sync() argument
/DragonOS-0.1.5/kernel/src/driver/keyboard/
Dps2_keyboard.rs84 ) -> Result<usize, i32> { in read_at()
104 ) -> Result<usize, i32> { in write_at()
108 fn open(&self, _data: &mut crate::filesystem::vfs::FilePrivateData) -> Result<(), i32> { in open() argument
115 fn close(&self, _data: &mut crate::filesystem::vfs::FilePrivateData) -> Result<(), i32> { in close() argument
122 fn poll(&self) -> Result<PollStatus, i32> { in poll()
128 fn metadata(&self) -> Result<Metadata, i32> { in metadata()
132 fn set_metadata(&self, metadata: &Metadata) -> Result<(), i32> { in set_metadata() argument
152 fn list(&self) -> Result<alloc::vec::Vec<alloc::string::String>, i32> { in list()
/DragonOS-0.1.5/docs/kernel/locking/
Dlockref.md62 - `pub fn inc_not_zero(&mut self) -> Result<i32, i32>`
63 - `pub fn inc_not_dead(&mut self) -> Result<i32, i32>`
102 - `pub fn dec(&mut self) -> Result<i32, i32>`
103 - `pub fn dec_return(&mut self) -> Result<i32, i32>`
104 - `pub fn dec_not_zero(&mut self) -> Result<i32, i32>`
105 - `pub fn dec_or_lock_not_zero(&mut self) -> Result<i32, i32>`
/DragonOS-0.1.5/docs/community/code_contribution/
Drust-coding-style.md36 fn foo() -> Result<(), CustomErr> {
45 fn foo() -> Result<(), i32> {
84 &emsp;&emsp;如果函数的返回值是`Result`类型，那么返回值应当这样进行解释：
/DragonOS-0.1.5/kernel/src/filesystem/procfs/
Dmod.rs117 fn open_status(&self, pdata: &mut ProcfsFilePrivateData) -> Result<i64, i32> { in open_status()
201 ) -> Result<usize, i32> { in read_status()
281 pub fn register_pid(&self, pid: i64) -> Result<(), i32> { in register_pid() argument
303 pub fn unregister_pid(&self, pid: i64) -> Result<(), i32> { in unregister_pid() argument
322 fn open(&self, data: &mut FilePrivateData) -> Result<(), i32> { in open() argument
345 fn close(&self, data: &mut FilePrivateData) -> Result<(), i32> { in close() argument
369 ) -> Result<usize, i32> { in read_at()
416 ) -> Result<usize, i32> { in write_at()
420 fn poll(&self) -> Result<PollStatus, i32> { in poll()
442 fn metadata(&self) -> Result<Metadata, i32> { in metadata()
[all …]
/DragonOS-0.1.5/kernel/src/io/
Ddevice.rs35 fn read_at(&self, offset: usize, len: usize, buf: &mut [u8]) -> Result<usize, i32>; in read_at()
42 fn write_at(&self, offset: usize, len: usize, buf: &[u8]) -> Result<usize, i32>; in write_at()
45 fn sync(&self) -> Result<(), i32>; in sync() argument
60 fn read_at(&self, lba_id_start: BlockId, count: usize, buf: &mut [u8]) -> Result<usize, i32>; in read_at()
69 fn write_at(&self, lba_id_start: BlockId, count: usize, buf: &[u8]) -> Result<usize, i32>; in write_at()
72 fn sync(&self) -> Result<(), i32>; in sync() argument
99 fn read_at(&self, offset: usize, len: usize, buf: &mut [u8]) -> Result<usize, i32> { in read_at()
135 fn write_at(&self, offset: usize, len: usize, buf: &[u8]) -> Result<usize, i32> { in write_at()
171 fn sync(&self) -> Result<(), i32> { in sync() argument
/DragonOS-0.1.5/kernel/src/filesystem/ramfs/
Dmod.rs125 ) -> Result<usize, i32> { in read_at()
157 ) -> Result<usize, i32> { in write_at()
182 fn poll(&self) -> Result<PollStatus, i32> { in poll()
204 fn metadata(&self) -> Result<Metadata, i32> { in metadata()
212 fn set_metadata(&self, metadata: &Metadata) -> Result<(), i32> { in set_metadata() argument
224 fn resize(&self, len: usize) -> Result<(), i32> { in resize() argument
240 ) -> Result<Arc<dyn IndexNode>, i32> { in create_with_data()
286 fn link(&self, name: &str, other: &Arc<dyn IndexNode>) -> Result<(), i32> { in link() argument
317 fn unlink(&self, name: &str) -> Result<(), i32> { in unlink() argument
340 fn rmdir(&self, name: &str) -> Result<(), i32> { in rmdir() argument
[all …]
/DragonOS-0.1.5/kernel/src/process/
Dprocess.rs114 pub fn init_files(&mut self) -> Result<(), i32> { in init_files() argument
136 ) -> Result<(), i32> { in copy_files() argument
161 pub fn exit_files(&mut self) -> Result<(), i32> { in exit_files() argument
177 pub fn alloc_fd(&mut self, file: File) -> Result<i32, i32> { in alloc_fd()
236 pub fn drop_fd(&self, fd: i32) -> Result<(), i32> { in drop_fd() argument
296 let r: Result<(), i32> = pcb.exit_files(); in process_exit_files()
/DragonOS-0.1.5/kernel/src/driver/pci/
Dpci.rs123 fn fmt(&self, f: &mut Formatter) -> fmt::Result { in fmt() argument
143 fn fmt(&self, f: &mut Formatter) -> fmt::Result { in fmt() argument
171 fn try_from(value: u8) -> Result<Self, Self::Error> { in try_from()
235 fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result { in fmt() argument
272 pub fn get_bar(&self, bar_index: u8) -> Result<&BarInfo, PciError> { in get_bar()
285 fn fmt(&self, f: &mut Formatter<'_>) -> fmt::Result { in fmt() argument
310 pub fn pci_bar_init(device_function: DeviceFunction) -> Result<PciDeviceBar, PciError> { in pci_bar_init()
/DragonOS-0.1.5/kernel/src/filesystem/fat/
Dfs.rs125 fn find(&mut self, name: &str) -> Result<Arc<LockedFATInode>, i32> { in find()
246 pub fn new(partition: Arc<Partition>) -> Result<Arc<FATFileSystem>, i32> { in new()
345 pub fn get_fat_entry(&self, cluster: Cluster) -> Result<FATEntry, i32> { in get_fat_entry()
440 pub fn get_fat_entry_raw(&self, cluster: Cluster) -> Result<u64, i32> { in get_fat_entry_raw()
541 pub fn allocate_cluster(&self, prev_cluster: Option<Cluster>) -> Result<Cluster, i32> { in allocate_cluster()
589 pub fn deallocate_cluster_chain(&self, start_cluster: Cluster) -> Result<(), i32> { in deallocate_cluster_chain() argument
600 pub fn deallocate_cluster(&self, cluster: Cluster) -> Result<(), i32> { in deallocate_cluster() argument
767 pub fn is_shut_bit_ok(&mut self) -> Result<bool, i32> { in is_shut_bit_ok()
790 pub fn is_hard_error_bit_ok(&mut self) -> Result<bool, i32> { in is_hard_error_bit_ok()
809 pub fn set_shut_bit_ok(&mut self) -> Result<(), i32> { in set_shut_bit_ok() argument
[all …]
Dentry.rs85 pub fn read(&self, fs: &Arc<FATFileSystem>, buf: &mut [u8], offset: u64) -> Result<usize, i32> { in read()
162 ) -> Result<usize, i32> { in write()
229 fn ensure_len(&mut self, fs: &Arc<FATFileSystem>, offset: u64, len: u64) -> Result<(), i32> { in ensure_len() argument
314 ) -> Result<(), i32> { in zero_range() argument
334 pub fn truncate(&mut self, fs: &Arc<FATFileSystem>, new_size: u64) -> Result<(), i32> { in truncate() argument
403 ) -> Result<Option<(Cluster, u64)>, i32> { in find_free_entries()
498 ) -> Result<FATDirEntry, i32> { in find_entry()
525 pub fn open_file(&self, name: &str, fs: Arc<FATFileSystem>) -> Result<FATFile, i32> { in open_file()
531 pub fn open_dir(&self, name: &str, fs: Arc<FATFileSystem>) -> Result<FATDir, i32> { in open_dir()
540 pub fn create_file(&self, name: &str, fs: &Arc<FATFileSystem>) -> Result<FATFile, i32> { in create_file()
[all …]
/DragonOS-0.1.5/kernel/src/mm/
Dmmio_buddy.rs77 fn give_back_block(&self, vaddr: u64, exp: u32) -> Result<i32, i32> { in give_back_block()
125 ) -> Result<Box<MmioBuddyAddrRegion>, MmioResult> { in query_addr_region()
263 ) -> Result<Box<MmioBuddyAddrRegion>, MmioResult> { in mmio_buddy_query_addr_region()
311 ) -> Result<Box<MmioBuddyAddrRegion>, MmioResult> { in pop_buddy_block()
343 ) -> Result<Box<MmioBuddyAddrRegion>, MmioResult> { in pop_block()
369 ) -> Result<MmioResult, MmioResult> { in merge_all_exp()
421 ) -> Result<MmioResult, MmioResult> { in merge_blocks()
450 ) -> Result<i32, i32> { in create_mmio()
557 pub fn release_mmio(&self, vaddr: u64, length: u64) -> Result<i32, i32> { in release_mmio()
/DragonOS-0.1.5/kernel/src/driver/virtio/
Dtransport_pci.rs95 pub fn new<H: Hal>(device_function: DeviceFunction) -> Result<Self, VirtioPciError> { in new()
337 fn config_space<T>(&self) -> Result<NonNull<T>, Error> { in config_space()
427 fn fmt(&self, f: &mut Formatter) -> fmt::Result { in fmt() argument
478 ) -> Result<NonNull<T>, VirtioPciError> { in get_bar_region()
510 ) -> Result<NonNull<[T]>, VirtioPciError> { in get_bar_region_slice()

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