1 #![no_std] 2 #![allow(clippy::needless_return)] 3 #![allow(clippy::upper_case_acronyms)] 4 5 use num_derive::{FromPrimitive, ToPrimitive}; 6 7 #[repr(i32)] 8 #[derive(Debug, FromPrimitive, ToPrimitive, PartialEq, Eq, Clone)] 9 #[allow(dead_code, non_camel_case_types)] 10 pub enum SystemError { 11 /// 操作不被允许 Operation not permitted. 12 EPERM = 1, 13 /// 没有指定的文件或目录 No such file or directory. 14 ENOENT = 2, 15 /// 没有这样的进程 No such process. 16 ESRCH = 3, 17 /// 被中断的函数 Interrupted function. 18 EINTR = 4, 19 /// I/O错误 I/O error. 20 EIO = 5, 21 /// 没有这样的设备或地址 No such device or address. 22 ENXIO = 6, 23 /// 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. 24 E2BIG = 7, 25 /// 可执行文件格式错误 Executable file format error 26 ENOEXEC = 8, 27 /// 错误的文件描述符 Bad file descriptor. 28 EBADF = 9, 29 /// 没有子进程 No child processes. 30 ECHILD = 10, 31 /// 资源不可用，请重试。 Resource unavailable, try again.(may be the same value as [EWOULDBLOCK]) 32 /// 33 /// 操作将被禁止 Operation would block.(may be the same value as [EAGAIN]). 34 EAGAIN_OR_EWOULDBLOCK = 11, 35 /// 没有足够的空间 Not enough space. 36 ENOMEM = 12, 37 /// 访问被拒绝 Permission denied 38 EACCES = 13, 39 /// 错误的地址 Bad address 40 EFAULT = 14, 41 /// 需要块设备 Block device required 42 ENOTBLK = 15, 43 /// 设备或资源忙 Device or resource busy. 44 EBUSY = 16, 45 /// 文件已存在 File exists. 46 EEXIST = 17, 47 /// 跨设备连接 Cross-device link. 48 EXDEV = 18, 49 /// 没有指定的设备 No such device. 50 ENODEV = 19, 51 /// 不是目录 Not a directory. 52 ENOTDIR = 20, 53 /// 是一个目录 Is a directory 54 EISDIR = 21, 55 /// 不可用的参数 Invalid argument. 56 EINVAL = 22, 57 /// 系统中打开的文件过多 Too many files open in system. 58 ENFILE = 23, 59 /// 文件描述符的值过大 File descriptor value too large. 60 EMFILE = 24, 61 /// 不正确的I/O控制操作 Inappropriate I/O control operation. 62 ENOTTY = 25, 63 /// 文本文件忙 Text file busy. 64 ETXTBSY = 26, 65 /// 文件太大 File too large. 66 EFBIG = 27, 67 /// 设备上没有空间 No space left on device. 68 ENOSPC = 28, 69 /// 错误的寻道.当前文件是pipe，不允许seek请求 Invalid seek. 70 ESPIPE = 29, 71 /// 只读的文件系统 Read-only file system. 72 EROFS = 30, 73 /// 链接数过多 Too many links. 74 EMLINK = 31, 75 /// 断开的管道 Broken pipe. 76 EPIPE = 32, 77 /// 数学参数超出作用域 Mathematics argument out of domain of function. 78 EDOM = 33, 79 /// 结果过大 Result too large. 80 ERANGE = 34, 81 /// 资源死锁将要发生 Resource deadlock would occur. 82 EDEADLK_OR_EDEADLOCK = 35, 83 /// 文件名过长 Filename too long. 84 ENAMETOOLONG = 36, 85 /// 没有可用的锁 No locks available. 86 ENOLCK = 37, 87 /// 功能不支持 Function not supported. 88 ENOSYS = 38, 89 /// 目录非空 Directory not empty. 90 ENOTEMPTY = 39, 91 /// 符号链接级别过多 Too many levels of symbolic links. 92 ELOOP = 40, 93 /// 没有期待类型的消息 No message of the desired type. 94 ENOMSG = 42, 95 /// 标志符被移除 Identifier removed. 96 EIDRM = 43, 97 /// 通道号超出范围 Channel number out of range 98 ECHRNG = 44, 99 /// 二级不同步 Level 2 not synchronized 100 EL2NSYNC = 45, 101 /// 三级暂停 Level 3 halted 102 EL3HLT = 46, 103 /// 三级重置 Level 3 reset 104 EL3RST = 47, 105 /// 链接号超出范围 Link number out of range 106 ELNRNG = 48, 107 /// 未连接协议驱动程序 Protocol driver not attached 108 EUNATCH = 49, 109 /// 没有可用的CSI结构 No CSI structure available 110 ENOCSI = 50, 111 /// 二级暂停 Level 2 halted 112 EL2HLT = 51, 113 /// 无效交换 Invalid exchange 114 EBADE = 52, 115 /// 无效的请求描述符 Invalid request descriptor 116 EBADR = 53, 117 /// 交换满 Exchange full 118 EXFULL = 54, 119 /// 无阳极 No anode 120 ENOANO = 55, 121 /// 请求码无效 Invalid request code 122 EBADRQC = 56, 123 /// 无效插槽 Invalid slot 124 EBADSLT = 57, 125 /// 错误的字体文件格式 Bad font file format 126 EBFONT = 59, 127 /// 不是STREAM Not a STREAM 128 ENOSTR = 60, 129 /// 队列头没有可读取的消息 No message is available on the STREAM head read queue. 130 ENODATA = 61, 131 /// 流式ioctl()超时 Stream ioctl() timeout 132 ETIME = 62, 133 /// 没有STREAM资源 No STREAM resources. 134 ENOSR = 63, 135 /// 机器不在网络上 Machine is not on the network 136 ENONET = 64, 137 /// 未安装软件包 Package not installed 138 ENOPKG = 65, 139 /// 远程对象 Object is remote 140 EREMOTE = 66, 141 /// 保留 Reserved. 142 ENOLINK = 67, 143 /// 外设错误 Advertise error. 144 EADV = 68, 145 /// 安装错误 Srmount error 146 ESRMNT = 69, 147 /// 发送时发生通信错误 Communication error on send 148 ECOMM = 70, 149 /// 协议错误 Protocol error. 150 EPROTO = 71, 151 /// 保留使用 Reserved. 152 EMULTIHOP = 72, 153 /// RFS特定错误 RFS specific error 154 EDOTDOT = 73, 155 /// 错误的消息 Bad message. 156 EBADMSG = 74, 157 /// 数值过大，产生溢出 Value too large to be stored in data type. 158 EOVERFLOW = 75, 159 /// 名称在网络上不是唯一的 Name not unique on network 160 ENOTUNIQ = 76, 161 /// 处于不良状态的文件描述符 File descriptor in bad state 162 EBADFD = 77, 163 /// 远程地址已更改 Remote address changed 164 EREMCHG = 78, 165 /// 无法访问所需的共享库 Can not access a needed shared library 166 ELIBACC = 79, 167 /// 访问损坏的共享库 Accessing a corrupted shared library 168 ELIBBAD = 80, 169 /// a. out中的.lib部分已损坏 .lib section in a.out corrupted 170 ELIBSCN = 81, 171 /// 尝试链接太多共享库 Attempting to link in too many shared libraries 172 ELIBMAX = 82, 173 /// 无法直接执行共享库 Cannot exec a shared library directly 174 ELIBEXEC = 83, 175 /// 不合法的字符序列 Illegal byte sequence. 176 EILSEQ = 84, 177 /// 中断的系统调用应该重新启动 Interrupted system call should be restarted 178 ERESTART = 85, 179 /// 流管道错误 Streams pipe error 180 ESTRPIPE = 86, 181 /// 用户太多 Too many users 182 EUSERS = 87, 183 /// 不是一个套接字 Not a socket. 184 ENOTSOCK = 88, 185 /// 需要目标地址 Destination address required. 186 EDESTADDRREQ = 89, 187 /// 消息过大 Message too large. 188 EMSGSIZE = 90, 189 /// 对于套接字而言，错误的协议 Protocol wrong type for socket. 190 EPROTOTYPE = 91, 191 /// 协议不可用 Protocol not available. 192 ENOPROTOOPT = 92, 193 /// 协议不被支持 Protocol not supported. 194 EPROTONOSUPPORT = 93, 195 /// 不支持套接字类型 Socket type not supported 196 ESOCKTNOSUPPORT = 94, 197 /// 套接字不支持该操作 Operation not supported on socket (may be the same value as [ENOTSUP]). 198 /// 199 /// 不被支持 Not supported (may be the same value as [EOPNOTSUPP]). 200 EOPNOTSUPP_OR_ENOTSUP = 95, 201 /// 不支持协议系列 Protocol family not supported 202 EPFNOSUPPORT = 96, 203 /// 地址family不支持 Address family not supported. 204 EAFNOSUPPORT = 97, 205 /// 地址正在被使用 Address in use. 206 EADDRINUSE = 98, 207 /// 地址不可用 Address not available. 208 EADDRNOTAVAIL = 99, 209 /// 网络已关闭 Network is down. 210 ENETDOWN = 100, 211 /// 网络不可达 Network unreachable. 212 ENETUNREACH = 101, 213 /// 网络连接已断开 Connection aborted by network. 214 ENETRESET = 102, 215 /// 连接已断开 Connection aborted. 216 ECONNABORTED = 103, 217 /// 连接被重置 Connection reset. 218 ECONNRESET = 104, 219 /// 缓冲区空间不足 No buffer space available. 220 ENOBUFS = 105, 221 /// 套接字已连接 Socket is connected. 222 EISCONN = 106, 223 /// 套接字未连接 The socket is not connected. 224 ENOTCONN = 107, 225 /// 传输端点关闭后无法发送 Cannot send after transport endpoint shutdown 226 ESHUTDOWN = 108, 227 /// 引用太多：无法拼接 Too many references: cannot splice 228 ETOOMANYREFS = 109, 229 /// 连接超时 Connection timed out. 230 ETIMEDOUT = 110, 231 /// 连接被拒绝 Connection refused. 232 ECONNREFUSED = 111, 233 /// 主机已关闭 Host is down 234 EHOSTDOWN = 112, 235 /// 主机不可达 Host is unreachable. 236 EHOSTUNREACH = 113, 237 /// 连接已经在处理 Connection already in progress. 238 EALREADY = 114, 239 /// 操作正在处理 Operation in progress. 240 EINPROGRESS = 115, 241 /// 保留 Reserved. 242 ESTALE = 116, 243 /// 结构需要清理 Structure needs cleaning 244 EUCLEAN = 117, 245 /// 不是XENIX命名类型文件 Not a XENIX named type file 246 ENOTNAM = 118, 247 /// 没有可用的XENIX信号量 No XENIX semaphores available 248 ENAVAIL = 119, 249 /// 是命名类型文件 Is a named type file 250 EISNAM = 120, 251 /// 远程I/O错误 Remote I/O error 252 EREMOTEIO = 121, 253 /// 保留使用 Reserved 254 EDQUOT = 122, 255 /// 没有找到媒介 No medium found 256 ENOMEDIUM = 123, 257 /// 介质类型错误 Wrong medium type 258 EMEDIUMTYPE = 124, 259 /// 操作被取消 Operation canceled. 260 ECANCELED = 125, 261 /// 所需的密钥不可用 Required key not available 262 ENOKEY = 126, 263 /// 密钥已过期 Key has expired 264 EKEYEXPIRED = 127, 265 /// 密钥已被撤销 Key has been revoked 266 EKEYREVOKED = 128, 267 /// 密钥被服务拒绝 Key has been revoked 268 EKEYREJECTED = 129, 269 /// 之前的拥有者挂了 Previous owner died. 270 EOWNERDEAD = 130, 271 /// 状态不可恢复 State not recoverable. 272 ENOTRECOVERABLE = 131, 273 /// 由于射频终止，无法操作 Operation not possible due to RF-kill 274 ERFKILL = 132, 275 /// 内存页面有硬件错误 Memory page has hardware error 276 EHWPOISON = 133, 277 278 // === 以下错误码不应该被用户态程序使用 === 279 ERESTARTSYS = 512, 280 // VMX on 虚拟化开启指令出错 281 EVMXONFailed = 513, 282 // VMX off 虚拟化关闭指令出错 283 EVMXOFFFailed = 514, 284 // VMX VMWRITE 写入虚拟化VMCS内存出错 285 EVMWRITEFailed = 515, 286 EVMREADFailed = 516, 287 EVMPRTLDFailed = 517, 288 EVMLAUNCHFailed = 518, 289 KVM_HVA_ERR_BAD = 519, 290 /// 没有对应的ioctlcmd 291 ENOIOCTLCMD = 520, 292 } 293 294 impl SystemError { 295 /// @brief 把posix错误码转换为系统错误枚举类型。 296 pub fn from_posix_errno(errno: i32) -> Option<SystemError> { 297 // posix 错误码是小于0的 298 if errno >= 0 { 299 return None; 300 } 301 return <Self as num_traits::FromPrimitive>::from_i32(-errno); 302 } 303 304 /// @brief 把系统错误枚举类型转换为负数posix错误码。 305 pub fn to_posix_errno(&self) -> i32 { 306 return -<Self as num_traits::ToPrimitive>::to_i32(self).unwrap(); 307 } 308 } 309 310 #[cfg(test)] 311 mod tests { 312 use super::*; 313 314 #[test] 315 fn it_works() { 316 assert_eq!(SystemError::EPERM.to_posix_errno(), -1); 317 } 318 } 319