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