1 use num_traits::{FromPrimitive, ToPrimitive}; 2 3 #[repr(i32)] 4 #[derive(Debug, FromPrimitive, ToPrimitive, PartialEq, Eq, Clone)] 5 #[allow(dead_code, non_camel_case_types)] 6 pub enum SystemError { 7 /// 操作不被允许 Operation not permitted. 8 EPERM = 1, 9 /// 没有指定的文件或目录 No such file or directory. 10 ENOENT = 2, 11 /// 没有这样的进程 No such process. 12 ESRCH = 3, 13 /// 被中断的函数 Interrupted function. 14 EINTR = 4, 15 /// I/O错误 I/O error. 16 EIO = 5, 17 /// 没有这样的设备或地址 No such device or address. 18 ENXIO = 6, 19 /// 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. 20 E2BIG = 7, 21 /// 可执行文件格式错误 Executable file format error 22 ENOEXEC = 8, 23 /// 错误的文件描述符 Bad file descriptor. 24 EBADF = 9, 25 /// 没有子进程 No child processes. 26 ECHILD = 10, 27 /// 资源不可用，请重试。 Resource unavailable, try again.(may be the same value as [EWOULDBLOCK]) 28 /// 29 /// 操作将被禁止 Operation would block.(may be the same value as [EAGAIN]). 30 EAGAIN_OR_EWOULDBLOCK = 11, 31 /// 没有足够的空间 Not enough space. 32 ENOMEM = 12, 33 /// 访问被拒绝 Permission denied 34 EACCES = 13, 35 /// 错误的地址 Bad address 36 EFAULT = 14, 37 /// 需要块设备 Block device required 38 ENOTBLK = 15, 39 /// 设备或资源忙 Device or resource busy. 40 EBUSY = 16, 41 /// 文件已存在 File exists. 42 EEXIST = 17, 43 /// 跨设备连接 Cross-device link. 44 EXDEV = 18, 45 /// 没有指定的设备 No such device. 46 ENODEV = 19, 47 /// 不是目录 Not a directory. 48 ENOTDIR = 20, 49 /// 是一个目录 Is a directory 50 EISDIR = 21, 51 /// 不可用的参数 Invalid argument. 52 EINVAL = 22, 53 /// 系统中打开的文件过多 Too many files open in system. 54 ENFILE = 23, 55 /// 文件描述符的值过大 File descriptor value too large. 56 EMFILE = 24, 57 /// 不正确的I/O控制操作 Inappropriate I/O control operation. 58 ENOTTY = 25, 59 /// 文本文件忙 Text file busy. 60 ETXTBSY = 26, 61 /// 文件太大 File too large. 62 EFBIG = 27, 63 /// 设备上没有空间 No space left on device. 64 ENOSPC = 28, 65 /// 错误的寻道.当前文件是pipe，不允许seek请求 Invalid seek. 66 ESPIPE = 29, 67 /// 只读的文件系统 Read-only file system. 68 EROFS = 30, 69 /// 链接数过多 Too many links. 70 EMLINK = 31, 71 /// 断开的管道 Broken pipe. 72 EPIPE = 32, 73 /// 数学参数超出作用域 Mathematics argument out of domain of function. 74 EDOM = 33, 75 /// 结果过大 Result too large. 76 ERANGE = 34, 77 /// 资源死锁将要发生 Resource deadlock would occur. 78 EDEADLK = 35, 79 /// 文件名过长 Filename too long. 80 ENAMETOOLONG = 36, 81 /// 没有可用的锁 No locks available. 82 ENOLCK = 37, 83 /// 功能不支持 Function not supported. 84 ENOSYS = 38, 85 /// 目录非空 Directory not empty. 86 ENOTEMPTY = 39, 87 /// 符号链接级别过多 Too many levels of symbolic links. 88 ELOOP = 40, 89 /// 没有期待类型的消息 No message of the desired type. 90 ENOMSG = 41, 91 /// 标志符被移除 Identifier removed. 92 EIDRM = 42, 93 /// 通道号超出范围 Channel number out of range 94 ECHRNG = 43, 95 /// 二级不同步 Level 2 not synchronized 96 EL2NSYNC = 44, 97 /// 三级暂停 Level 3 halted 98 EL3HLT = 45, 99 /// 三级重置 Level 3 reset 100 EL3RST = 46, 101 /// 链接号超出范围 Link number out of range 102 ELNRNG = 47, 103 /// 未连接协议驱动程序 Protocol driver not attached 104 EUNATCH = 48, 105 /// 没有可用的CSI结构 No CSI structure available 106 ENOCSI = 49, 107 /// 二级暂停 Level 2 halted 108 EL2HLT = 50, 109 /// 无效交换 Invalid exchange 110 EBADE = 51, 111 /// 无效的请求描述符 Invalid request descriptor 112 EBADR = 52, 113 /// 交换满 Exchange full 114 EXFULL = 53, 115 /// 无阳极 No anode 116 ENOANO = 54, 117 /// 请求码无效 Invalid request code 118 EBADRQC = 55, 119 /// 无效插槽 Invalid slot 120 EBADSLT = 56, 121 /// 资源死锁 Resource deadlock would occur 122 EDEADLOCK = 57, 123 /// 错误的字体文件格式 Bad font file format 124 EBFONT = 58, 125 /// 不是STREAM Not a STREAM 126 ENOSTR = 59, 127 /// 队列头没有可读取的消息 No message is available on the STREAM head read queue. 128 ENODATA = 60, 129 /// 流式ioctl()超时 Stream ioctl() timeout 130 ETIME = 61, 131 /// 没有STREAM资源 No STREAM resources. 132 ENOSR = 62, 133 /// 机器不在网络上 Machine is not on the network 134 ENONET = 63, 135 /// 未安装软件包 Package not installed 136 ENOPKG = 64, 137 /// 远程对象 Object is remote 138 EREMOTE = 65, 139 /// 保留 Reserved. 140 ENOLINK = 66, 141 /// 外设错误 Advertise error. 142 EADV = 67, 143 /// 安装错误 Srmount error 144 ESRMNT = 68, 145 /// 发送时发生通信错误 Communication error on send 146 ECOMM = 69, 147 /// 协议错误 Protocol error. 148 EPROTO = 70, 149 /// 保留使用 Reserved. 150 EMULTIHOP = 71, 151 /// RFS特定错误 RFS specific error 152 EDOTDOT = 72, 153 /// 错误的消息 Bad message. 154 EBADMSG = 73, 155 /// 数值过大，产生溢出 Value too large to be stored in data type. 156 EOVERFLOW = 74, 157 /// 名称在网络上不是唯一的 Name not unique on network 158 ENOTUNIQ = 75, 159 /// 处于不良状态的文件描述符 File descriptor in bad state 160 EBADFD = 76, 161 /// 远程地址已更改 Remote address changed 162 EREMCHG = 77, 163 /// 无法访问所需的共享库 Can not access a needed shared library 164 ELIBACC = 78, 165 /// 访问损坏的共享库 Accessing a corrupted shared library 166 ELIBBAD = 79, 167 /// a. out中的.lib部分已损坏 .lib section in a.out corrupted 168 ELIBSCN = 80, 169 /// 尝试链接太多共享库 Attempting to link in too many shared libraries 170 ELIBMAX = 81, 171 /// 无法直接执行共享库 Cannot exec a shared library directly 172 ELIBEXEC = 82, 173 /// 不合法的字符序列 Illegal byte sequence. 174 EILSEQ = 83, 175 /// 中断的系统调用应该重新启动 Interrupted system call should be restarted 176 ERESTART = 84, 177 /// 流管道错误 Streams pipe error 178 ESTRPIPE = 85, 179 /// 用户太多 Too many users 180 EUSERS = 86, 181 /// 不是一个套接字 Not a socket. 182 ENOTSOCK = 87, 183 /// 需要目标地址 Destination address required. 184 EDESTADDRREQ = 88, 185 /// 消息过大 Message too large. 186 EMSGSIZE = 89, 187 /// 对于套接字而言，错误的协议 Protocol wrong type for socket. 188 EPROTOTYPE = 90, 189 /// 协议不可用 Protocol not available. 190 ENOPROTOOPT = 91, 191 /// 协议不被支持 Protocol not supported. 192 EPROTONOSUPPORT = 92, 193 /// 不支持套接字类型 Socket type not supported 194 ESOCKTNOSUPPORT = 93, 195 /// 套接字不支持该操作 Operation not supported on socket (may be the same value as [ENOTSUP]). 196 /// 197 /// 不被支持 Not supported (may be the same value as [EOPNOTSUPP]). 198 EOPNOTSUPP_OR_ENOTSUP = 94, 199 /// 不支持协议系列 Protocol family not supported 200 EPFNOSUPPORT = 95, 201 /// 地址family不支持 Address family not supported. 202 EAFNOSUPPORT = 96, 203 /// 地址正在被使用 Address in use. 204 EADDRINUSE = 97, 205 /// 地址不可用 Address not available. 206 EADDRNOTAVAIL = 98, 207 /// 网络已关闭 Network is down. 208 ENETDOWN = 99, 209 /// 网络不可达 Network unreachable. 210 ENETUNREACH = 100, 211 /// 网络连接已断开 Connection aborted by network. 212 ENETRESET = 101, 213 /// 连接已断开 Connection aborted. 214 ECONNABORTED = 102, 215 /// 连接被重置 Connection reset. 216 ECONNRESET = 103, 217 /// 缓冲区空间不足 No buffer space available. 218 ENOBUFS = 104, 219 /// 套接字已连接 Socket is connected. 220 EISCONN = 105, 221 /// 套接字未连接 The socket is not connected. 222 ENOTCONN = 106, 223 /// 传输端点关闭后无法发送 Cannot send after transport endpoint shutdown 224 ESHUTDOWN = 107, 225 /// 引用太多：无法拼接 Too many references: cannot splice 226 ETOOMANYREFS = 108, 227 /// 连接超时 Connection timed out. 228 ETIMEDOUT = 109, 229 /// 连接被拒绝 Connection refused. 230 ECONNREFUSED = 110, 231 /// 主机已关闭 Host is down 232 EHOSTDOWN = 111, 233 /// 主机不可达 Host is unreachable. 234 EHOSTUNREACH = 112, 235 /// 连接已经在处理 Connection already in progress. 236 EALREADY = 113, 237 /// 操作正在处理 Operation in progress. 238 EINPROGRESS = 114, 239 /// 保留 Reserved. 240 ESTALE = 115, 241 /// 结构需要清理 Structure needs cleaning 242 EUCLEAN = 116, 243 /// 不是XENIX命名类型文件 Not a XENIX named type file 244 ENOTNAM = 117, 245 /// 没有可用的XENIX信号量 No XENIX semaphores available 246 ENAVAIL = 118, 247 /// 是命名类型文件 Is a named type file 248 EISNAM = 119, 249 /// 远程I/O错误 Remote I/O error 250 EREMOTEIO = 120, 251 /// 保留使用 Reserved 252 EDQUOT = 121, 253 /// 没有找到媒介 No medium found 254 ENOMEDIUM = 122, 255 /// 介质类型错误 Wrong medium type 256 EMEDIUMTYPE = 123, 257 /// 操作被取消 Operation canceled. 258 ECANCELED = 124, 259 /// 所需的密钥不可用 Required key not available 260 ENOKEY = 125, 261 /// 密钥已过期 Key has expired 262 EKEYEXPIRED = 126, 263 /// 密钥已被撤销 Key has been revoked 264 EKEYREVOKED = 127, 265 /// 密钥被服务拒绝 Key has been revoked 266 EKEYREJECTED = 128, 267 /// 之前的拥有者挂了 Previous owner died. 268 EOWNERDEAD = 129, 269 /// 状态不可恢复 State not recoverable. 270 ENOTRECOVERABLE = 130, 271 } 272 273 impl SystemError { 274 /// @brief 把posix错误码转换为系统错误枚举类型。 from_posix_errno(errno: i32) -> Option<SystemError>275 pub fn from_posix_errno(errno: i32) -> Option<SystemError> { 276 // posix 错误码是小于0的 277 if errno >= 0 { 278 return None; 279 } 280 return <Self as FromPrimitive>::from_i32(-errno); 281 } 282 283 /// @brief 把系统错误枚举类型转换为负数posix错误码。 to_posix_errno(&self) -> i32284 pub fn to_posix_errno(&self) -> i32 { 285 return -<Self as ToPrimitive>::to_i32(self).unwrap(); 286 } 287 } 288