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新版文件系统重构完成 (#198)
1.重构：VFS 2. 重构：ProcFS 3. 重构：DevFS 4. 重构：FAT32 5. 重构：AHCI驱动 6. 新增：RamFS 7. 新增：MountFS 8. 新增：FAT12 9. 新增：FAT16 10. 重构：设备抽象 Co-authored-by: guanjinquan <1666320330@qq.com> Co-authored-by: DaJiYuQia <88259094+DaJiYuQia@users.noreply.github.com>
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@ -10,59 +10,59 @@
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*/
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#pragma once
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#define E2BIG 1 /* 参数列表过长，或者在输出buffer中缺少空间 或者参数比系统内建的最大值要大 Argument list too long. */
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#define EACCES 2 /* 访问被拒绝 Permission denied */
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#define EADDRINUSE 3 /* 地址正在被使用 Address in use.*/
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#define EADDRNOTAVAIL 4 /* 地址不可用 Address not available.*/
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#define EAFNOSUPPORT 5 /* 地址family不支持 Address family not supported. */
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#define EAGAIN 6 /* 资源不可用，请重试。 Resource unavailable, try again (may be the same value as [EWOULDBLOCK]).*/
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#define EALREADY 7 /* 连接已经在处理 Connection already in progress. */
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#define EBADF 8 /* 错误的文件描述符 Bad file descriptor. */
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#define EBADMSG 9 /* 错误的消息 Bad message. */
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#define E2BIG 1 /* 参数列表过长，或者在输出buffer中缺少空间 或者参数比系统内建的最大值要大 Argument list too long. */
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#define EACCES 2 /* 访问被拒绝 Permission denied */
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#define EADDRINUSE 3 /* 地址正在被使用 Address in use.*/
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#define EADDRNOTAVAIL 4 /* 地址不可用 Address not available.*/
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#define EAFNOSUPPORT 5 /* 地址family不支持 Address family not supported. */
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#define EAGAIN 6 /* 资源不可用，请重试。 Resource unavailable, try again (may be the same value as [EWOULDBLOCK]).*/
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#define EALREADY 7 /* 连接已经在处理 Connection already in progress. */
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#define EBADF 8 /* 错误的文件描述符 Bad file descriptor. */
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#define EBADMSG 9 /* 错误的消息 Bad message. */
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#define EBUSY 10 /* 设备或资源忙 Device or resource busy. */
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#define ECANCELED 11 /* 操作被取消 Operation canceled. */
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#define ECHILD 12 /* 没有子进程 No child processes. */
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#define ECONNABORTED 13 /* 连接已断开 Connection aborted. */
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#define ECONNREFUSED 14 /* 连接被拒绝 Connection refused. */
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#define ECONNRESET 15 /* 连接被重置 Connection reset. */
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#define EDEADLK 16 /* 资源死锁将要发生 Resource deadlock would occur. */
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#define EDESTADDRREQ 17 /* 需要目标地址 Destination address required.*/
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#define EDOM 18 /* 数学参数超出作用域 Mathematics argument out of domain of function. */
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#define EDQUOT 19 /* 保留使用 Reserved */
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#define EBUSY 10 /* 设备或资源忙 Device or resource busy. */
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#define ECANCELED 11 /* 操作被取消 Operation canceled. */
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#define ECHILD 12 /* 没有子进程 No child processes. */
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#define ECONNABORTED 13 /* 连接已断开 Connection aborted. */
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#define ECONNREFUSED 14 /* 连接被拒绝 Connection refused. */
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#define ECONNRESET 15 /* 连接被重置 Connection reset. */
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#define EDEADLK 16 /* 资源死锁将要发生 Resource deadlock would occur. */
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#define EDESTADDRREQ 17 /* 需要目标地址 Destination address required.*/
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#define EDOM 18 /* 数学参数超出作用域 Mathematics argument out of domain of function. */
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#define EDQUOT 19 /* 保留使用 Reserved */
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#define EEXIST 20 /* 文件已存在 File exists. */
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#define EFAULT 21 /* 错误的地址 Bad address */
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#define EFBIG 22 /* 文件太大 File too large. */
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#define EHOSTUNREACH 23 /* 主机不可达 Host is unreachable.*/
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#define EIDRM 24 /* 标志符被移除 Identifier removed. */
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#define EILSEQ 25 /* 不合法的字符序列 Illegal byte sequence. */
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#define EINPROGRESS 26 /* 操作正在处理 Operation in progress. */
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#define EINTR 27 /* 被中断的函数 Interrupted function. */
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#define EINVAL 28 /* 不可用的参数 Invalid argument. */
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#define EIO 29 /* I/O错误 I/O error. */
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#define EEXIST 20 /* 文件已存在 File exists. */
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#define EFAULT 21 /* 错误的地址 Bad address */
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#define EFBIG 22 /* 文件太大 File too large. */
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#define EHOSTUNREACH 23 /* 主机不可达 Host is unreachable.*/
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#define EIDRM 24 /* 标志符被移除 Identifier removed. */
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#define EILSEQ 25 /* 不合法的字符序列 Illegal byte sequence. */
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#define EINPROGRESS 26 /* 操作正在处理 Operation in progress. */
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#define EINTR 27 /* 被中断的函数 Interrupted function. */
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#define EINVAL 28 /* 不可用的参数 Invalid argument. */
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#define EIO 29 /* I/O错误 I/O error. */
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#define EISCONN 30 /* 套接字已连接 Socket is connected. */
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#define EISDIR 31 /* 是一个目录 Is a directory */
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#define ELOOP 32 /* 符号链接级别过多 Too many levels of symbolic links. */
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#define EMFILE 33 /* 文件描述符的值过大 File descriptor value too large. */
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#define EMLINK 34 /* 链接数过多 Too many links. */
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#define EMSGSIZE 35 /* 消息过大 Message too large. */
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#define EMULTIHOP 36 /* 保留使用 Reserved. */
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#define ENAMETOOLONG 37 /* 文件名过长 Filename too long. */
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#define ENETDOWN 38 /* 网络已关闭 Network is down. */
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#define ENETRESET 39 /* 网络连接已断开 Connection aborted by network. */
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#define EISCONN 30 /* 套接字已连接 Socket is connected. */
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#define EISDIR 31 /* 是一个目录 Is a directory */
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#define ELOOP 32 /* 符号链接级别过多 Too many levels of symbolic links. */
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#define EMFILE 33 /* 文件描述符的值过大 File descriptor value too large. */
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#define EMLINK 34 /* 链接数过多 Too many links. */
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#define EMSGSIZE 35 /* 消息过大 Message too large. */
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#define EMULTIHOP 36 /* 保留使用 Reserved. */
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#define ENAMETOOLONG 37 /* 文件名过长 Filename too long. */
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#define ENETDOWN 38 /* 网络已关闭 Network is down. */
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#define ENETRESET 39 /* 网络连接已断开 Connection aborted by network. */
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#define ENETUNREACH 40 /* 网络不可达 Network unreachable. */
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#define ENFILE 41 /* 系统中打开的文件过多 Too many files open in system.*/
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#define ENOBUFS 42 /* 缓冲区空间不足 No buffer space available. */
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#define ENODATA 43 /* 队列头没有可读取的消息 No message is available on the STREAM head read queue. */
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#define ENODEV 44 /* 没有指定的设备 No such device. */
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#define ENOENT 45 /* 没有指定的文件或目录 No such file or directory. */
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#define ENOEXEC 46 /* 可执行文件格式错误 Executable file format error. */
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#define ENOLCK 47 /* 没有可用的锁 No locks available. */
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#define ENOLINK 48 /* 保留 Reserved. */
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#define ENOMEM 49 /* 没有足够的空间 Not enough space. */
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#define ENETUNREACH 40 /* 网络不可达 Network unreachable. */
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#define ENFILE 41 /* 系统中打开的文件过多 Too many files open in system.*/
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#define ENOBUFS 42 /* 缓冲区空间不足 No buffer space available. */
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#define ENODATA 43 /* 队列头没有可读取的消息 No message is available on the STREAM head read queue. */
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#define ENODEV 44 /* 没有指定的设备 No such device. */
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#define ENOENT 45 /* 没有指定的文件或目录 No such file or directory. */
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#define ENOEXEC 46 /* 可执行文件格式错误 Executable file format error. */
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#define ENOLCK 47 /* 没有可用的锁 No locks available. */
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#define ENOLINK 48 /* 保留 Reserved. */
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#define ENOMEM 49 /* 没有足够的空间 Not enough space. */
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#define ENOMSG 50 /* 没有期待类型的消息 No message of the desired type. */
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#define ENOPROTOOPT 51 /* 协议不可用 Protocol not available. */
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@ -73,29 +73,29 @@
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#define ENOTCONN 56 /* 套接字未连接 The socket is not connected. */
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#define ENOTDIR 57 /* 不是目录 Not a directory. */
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#define ENOTEMPTY 58 /* 目录非空 Directory not empty. */
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#define ENOTRECOVERABLE 59 /* 状态不可覆盖 State not recoverable. */
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#define ENOTRECOVERABLE 59 /* 状态不可恢复 State not recoverable. */
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#define ENOTSOCK 60 /* 不是一个套接字 Not a socket.*/
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#define ENOTSUP 61 /* 不被支持 Not supported (may be the same value as [EOPNOTSUPP]). */
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#define ENOTTY 62 /* 不正确的I/O控制操作 Inappropriate I/O control operation. */
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#define ENXIO 63 /* 没有这样的设备或地址 No such device or address. */
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#define EOPNOTSUPP 64 /* 套接字不支持该操作 Operation not supported on socket (may be the same value as [ENOTSUP]). */
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#define EOVERFLOW 65 /* 数值过大，产生溢出 Value too large to be stored in data type. */
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#define EOWNERDEAD 66 /* 之前的拥有者挂了 Previous owner died. */
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#define EPERM 67 /* 操作不被允许 Operation not permitted. */
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#define EPIPE 68 /* 断开的管道 Broken pipe. */
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#define EPROTO 69 /* 协议错误 Protocol error. */
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#define ENOTSOCK 60 /* 不是一个套接字 Not a socket.*/
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#define ENOTSUP 61 /* 不被支持 Not supported (may be the same value as [EOPNOTSUPP]). */
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#define ENOTTY 62 /* 不正确的I/O控制操作 Inappropriate I/O control operation. */
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#define ENXIO 63 /* 没有这样的设备或地址 No such device or address. */
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#define EOPNOTSUPP 64 /* 套接字不支持该操作 Operation not supported on socket (may be the same value as [ENOTSUP]). */
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#define EOVERFLOW 65 /* 数值过大，产生溢出 Value too large to be stored in data type. */
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#define EOWNERDEAD 66 /* 之前的拥有者挂了 Previous owner died. */
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#define EPERM 67 /* 操作不被允许 Operation not permitted. */
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#define EPIPE 68 /* 断开的管道 Broken pipe. */
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#define EPROTO 69 /* 协议错误 Protocol error. */
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#define EPROTONOSUPPORT 70 /* 协议不被支持 Protocol not supported. */
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#define EPROTOTYPE 71 /* 对于套接字而言，错误的协议 Protocol wrong type for socket. */
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#define ERANGE 72 /* 结果过大 Result too large. */
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#define EROFS 73 /* 只读的文件系统 Read-only file system. */
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#define ESPIPE 74 /* 错误的寻道 Invalid seek. */
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#define ESPIPE 74 /* 错误的寻道.当前文件是pipe，不允许seek请求 Invalid seek. */
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#define ESRCH 75 /* 没有这样的进程 No such process. */
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#define ESTALE 76 /* 保留 Reserved. */
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#define ETIME 77 /* 流式ioctl()超时 Stream ioctl() timeout */
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#define ETIMEDOUT 78 /* 连接超时 Connection timed out.*/
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#define ETXTBSY 79 /* 文本文件忙 Text file busy. */
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#define EWOULDBLOCK 80 /* 操作将被禁止 Operation would block (may be the same value as [EAGAIN]). */
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#define EXDEV 81 /* 跨设备连接 Cross-device link. */
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#define EWOULDBLOCK 80 /* 操作将被禁止 Operation would block (may be the same value as [EAGAIN]). */
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#define EXDEV 81 /* 跨设备连接 Cross-device link. */
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@ -25,10 +25,14 @@
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#define O_NONBLOCK 00004000 // 非阻塞式IO模式
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#define O_EXEC 00010000 // 以仅执行的方式打开（非目录文件）
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#define O_SEARCH 00020000 // Open the directory for search only
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#define O_DIRECTORY 00040000 // 打开的必须是一个目录
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#define O_NOFOLLOW 00100000 // Do not follow symbolic links
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#define O_DSYNC 00010000 // used to be O_SYNC, see below
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#define FASYNC 00020000 // fcntl, for BSD compatibility
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#define O_DIRECT 00040000 // direct disk access hint
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#define O_LARGEFILE 00100000
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#define O_DIRECTORY 00200000 // 打开的必须是一个目录
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#define O_NOFOLLOW 00400000 // Do not follow symbolic links
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#define O_NOATIME 01000000
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#define O_CLOEXEC 02000000 // set close_on_exec
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/*
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* The constants AT_REMOVEDIR and AT_EACCESS have the same value. AT_EACCESS is
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@ -33,8 +33,8 @@ void lockref_inc(struct lockref *lock_ref);
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* @brief 原子地将引用计数加1.如果原来的count≤0，则操作失败。
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*
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* @param lock_ref 指向要被操作的lockref变量的指针
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* @return int 操作成功=>true
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* 操作失败=>false
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* @return bool 操作成功=>true
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* 操作失败=>false
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*/
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bool lockref_inc_not_zero(struct lockref *lock_ref);
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@ -24,8 +24,8 @@ struct tm
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struct timespec
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{
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long int tv_sec; // 秒
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long long tv_nsec; // 纳秒
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int64_t tv_sec; // 秒
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int64_t tv_nsec; // 纳秒
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};
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/**
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