修改errno,使其与relibc的保持一致 (#234)

修改errno,使其与relibc的保持一致

kernel/src/common/errno.h

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

kernel/src/driver/disk/ahci/ahci_inode.rs

@@ -76,11 +76,11 @@ impl IndexNode for LockedAhciInode {
     }
 
     fn open(&self, _data: &mut FilePrivateData, _mode: &FileMode) -> Result<(), SystemError> {
-        Err(SystemError::ENOTSUP)
+        Err(SystemError::EOPNOTSUPP_OR_ENOTSUP)
     }
 
     fn close(&self, _data: &mut FilePrivateData) -> Result<(), SystemError> {
-        Err(SystemError::ENOTSUP)
+        Err(SystemError::EOPNOTSUPP_OR_ENOTSUP)
     }
 
     fn metadata(&self) -> Result<Metadata, SystemError> {
@@ -92,7 +92,7 @@ impl IndexNode for LockedAhciInode {
     }
 
     fn list(&self) -> Result<Vec<String>, SystemError> {
-        Err(SystemError::ENOTSUP)
+        Err(SystemError::EOPNOTSUPP_OR_ENOTSUP)
     }
 
     fn set_metadata(&self, metadata: &Metadata) -> Result<(), SystemError> {

kernel/src/driver/keyboard/ps2_keyboard.rs

@@ -117,7 +117,7 @@ impl IndexNode for LockedPS2KeyBoardInode {
         _buf: &[u8],
         _data: &mut crate::filesystem::vfs::FilePrivateData,
     ) -> Result<usize, SystemError> {
-        return Err(SystemError::ENOTSUP);
+        return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP);
     }
 
     fn open(
@@ -180,7 +180,7 @@ impl IndexNode for LockedPS2KeyBoardInode {
     }
 
     fn list(&self) -> Result<alloc::vec::Vec<alloc::string::String>, SystemError> {
-        return Err(SystemError::ENOTSUP);
+        return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP);
     }
 }
 

kernel/src/driver/net/virtio_net.rs

@@ -287,7 +287,7 @@ impl<T: Transport> NetDriver for VirtioInterface<T> {
         if poll_res {
             return Ok(());
         }
-        return Err(SystemError::EAGAIN);
+        return Err(SystemError::EAGAIN_OR_EWOULDBLOCK);
     }
 
     #[inline(always)]

kernel/src/driver/tty/tty_device.rs

@@ -210,7 +210,7 @@ impl IndexNode for TtyDevice {
     }
 
     fn poll(&self) -> Result<crate::filesystem::vfs::PollStatus, SystemError> {
-        return Err(SystemError::ENOTSUP);
+        return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP);
     }
 
     fn fs(&self) -> Arc<dyn crate::filesystem::vfs::FileSystem> {
@@ -222,7 +222,7 @@ impl IndexNode for TtyDevice {
     }
 
     fn list(&self) -> Result<alloc::vec::Vec<alloc::string::String>, SystemError> {
-        return Err(SystemError::ENOTSUP);
+        return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP);
     }
 
     fn metadata(&self) -> Result<Metadata, SystemError> {

kernel/src/driver/usb/xhci/xhci.c

@@ -640,8 +640,8 @@ uint64_t xhci_hc_irq_install(uint64_t irq_num, void *arg)
     msi_desc.pci.msi_attribute.is_64 = 1;
     msi_desc.pci.msi_attribute.is_msix = 1;
     io_mfence();
-    //因pci_enable_msi不再单独映射MSIX表，所以需要对pci设备的bar进行映射
-    
+    // 因pci_enable_msi不再单独映射MSIX表，所以需要对pci设备的bar进行映射
+
     int retval = pci_enable_msi(&msi_desc);
 
     return 0;
@@ -903,8 +903,8 @@ static uint64_t xhci_initialize_slot(const int id, const int port, const int spe
     slot_ctx.speed = speed;
     slot_ctx.route_string = 0;
     slot_ctx.rh_port_num = port + 1; // 由于xhci控制器是1-base的，因此把驱动程序中存储的端口号加1，才是真实的端口号
-    slot_ctx.max_exit_latency = 0; // 稍后会计算这个值
-    slot_ctx.int_target = 0;       // 当前全部使用第0个interrupter
+    slot_ctx.max_exit_latency = 0;   // 稍后会计算这个值
+    slot_ctx.int_target = 0;         // 当前全部使用第0个interrupter
     slot_ctx.slot_state = XHCI_SLOT_STATE_DISABLED_OR_ENABLED;
     slot_ctx.device_address = 0;
 

kernel/src/filesystem/devfs/mod.rs

@@ -138,7 +138,7 @@ impl DevFS {
                 device.set_fs(dev_block_inode.0.lock().fs.clone());
             }
             _ => {
-                return Err(SystemError::ENOTSUP);
+                return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP);
             }
         }
 
@@ -181,7 +181,7 @@ impl DevFS {
                 dev_block_inode.remove(name)?;
             }
             _ => {
-                return Err(SystemError::ENOTSUP);
+                return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP);
             }
         }
 
@@ -423,7 +423,7 @@ impl IndexNode for LockedDevFSInode {
     }
 
     fn ioctl(&self, _cmd: u32, _data: usize) -> Result<usize, SystemError> {
-        Err(SystemError::ENOTSUP)
+        Err(SystemError::EOPNOTSUPP_OR_ENOTSUP)
     }
 
     fn list(&self) -> Result<Vec<String>, SystemError> {
@@ -479,7 +479,7 @@ impl IndexNode for LockedDevFSInode {
         _data: &mut super::vfs::file::FilePrivateData,
     ) -> Result<usize, SystemError> {
         kerror!("DevFS: read_at is not supported!");
-        Err(SystemError::ENOTSUP)
+        Err(SystemError::EOPNOTSUPP_OR_ENOTSUP)
     }
 
     /// 写设备 - 应该调用设备的函数读写，而不是通过文件系统读写
@@ -490,7 +490,7 @@ impl IndexNode for LockedDevFSInode {
         _buf: &[u8],
         _data: &mut super::vfs::file::FilePrivateData,
     ) -> Result<usize, SystemError> {
-        Err(SystemError::ENOTSUP)
+        Err(SystemError::EOPNOTSUPP_OR_ENOTSUP)
     }
 }
 

kernel/src/filesystem/devfs/null_dev.rs

@@ -70,11 +70,11 @@ impl IndexNode for LockedNullInode {
     }
 
     fn open(&self, _data: &mut FilePrivateData, _mode: &FileMode) -> Result<(), SystemError> {
-        Err(SystemError::ENOTSUP)
+        Err(SystemError::EOPNOTSUPP_OR_ENOTSUP)
     }
 
     fn close(&self, _data: &mut FilePrivateData) -> Result<(), SystemError> {
-        Err(SystemError::ENOTSUP)
+        Err(SystemError::EOPNOTSUPP_OR_ENOTSUP)
     }
 
     fn metadata(&self) -> Result<Metadata, SystemError> {
@@ -86,7 +86,7 @@ impl IndexNode for LockedNullInode {
     }
 
     fn list(&self) -> Result<Vec<String>, SystemError> {
-        Err(SystemError::ENOTSUP)
+        Err(SystemError::EOPNOTSUPP_OR_ENOTSUP)
     }
 
     fn set_metadata(&self, metadata: &Metadata) -> Result<(), SystemError> {

kernel/src/filesystem/devfs/zero_dev.rs

@@ -70,11 +70,11 @@ impl IndexNode for LockedZeroInode {
     }
 
     fn open(&self, _data: &mut FilePrivateData, _mode: &FileMode) -> Result<(), SystemError> {
-        Err(SystemError::ENOTSUP)
+        Err(SystemError::EOPNOTSUPP_OR_ENOTSUP)
     }
 
     fn close(&self, _data: &mut FilePrivateData) -> Result<(), SystemError> {
-        Err(SystemError::ENOTSUP)
+        Err(SystemError::EOPNOTSUPP_OR_ENOTSUP)
     }
 
     fn metadata(&self) -> Result<Metadata, SystemError> {
@@ -86,7 +86,7 @@ impl IndexNode for LockedZeroInode {
     }
 
     fn list(&self) -> Result<Vec<String>, SystemError> {
-        Err(SystemError::ENOTSUP)
+        Err(SystemError::EOPNOTSUPP_OR_ENOTSUP)
     }
 
     fn set_metadata(&self, metadata: &Metadata) -> Result<(), SystemError> {

kernel/src/filesystem/fat/fs.rs

@@ -1441,7 +1441,7 @@ impl IndexNode for LockedFATInode {
                     return Ok(guard.find(name)?);
                 }
 
-                FileType::SymLink => return Err(SystemError::ENOTSUP),
+                FileType::SymLink => return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP),
                 _ => return Err(SystemError::EINVAL),
             },
             FATDirEntry::UnInit => {

kernel/src/filesystem/procfs/mod.rs

@@ -413,7 +413,7 @@ impl IndexNode for LockedProcFSInode {
         _buf: &[u8],
         _data: &mut FilePrivateData,
     ) -> Result<usize, SystemError> {
-        return Err(SystemError::ENOTSUP);
+        return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP);
     }
 
     fn poll(&self) -> Result<PollStatus, SystemError> {
@@ -581,7 +581,7 @@ impl IndexNode for LockedProcFSInode {
         _target: &Arc<dyn IndexNode>,
         _new_name: &str,
     ) -> Result<(), SystemError> {
-        return Err(SystemError::ENOTSUP);
+        return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP);
     }
 
     fn find(&self, name: &str) -> Result<Arc<dyn IndexNode>, SystemError> {

kernel/src/filesystem/vfs/mod.rs

@@ -91,7 +91,7 @@ pub trait IndexNode: Any + Sync + Send + Debug {
     ///         失败：Err(错误码)
     fn open(&self, _data: &mut FilePrivateData, _mode: &FileMode) -> Result<(), SystemError> {
         // 若文件系统没有实现此方法，则返回“不支持”
-        return Err(SystemError::ENOTSUP);
+        return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP);
     }
 
     /// @brief 关闭文件
@@ -100,7 +100,7 @@ pub trait IndexNode: Any + Sync + Send + Debug {
     ///         失败：Err(错误码)
     fn close(&self, _data: &mut FilePrivateData) -> Result<(), SystemError> {
         // 若文件系统没有实现此方法，则返回“不支持”
-        return Err(SystemError::ENOTSUP);
+        return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP);
     }
 
     /// @brief 在inode的指定偏移量开始，读取指定大小的数据
@@ -148,7 +148,7 @@ pub trait IndexNode: Any + Sync + Send + Debug {
     ///         失败：Err(错误码)
     fn metadata(&self) -> Result<Metadata, SystemError> {
         // 若文件系统没有实现此方法，则返回“不支持”
-        return Err(SystemError::ENOTSUP);
+        return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP);
     }
 
     /// @brief 设置inode的元数据
@@ -157,7 +157,7 @@ pub trait IndexNode: Any + Sync + Send + Debug {
     ///         失败：Err(错误码)
     fn set_metadata(&self, _metadata: &Metadata) -> Result<(), SystemError> {
         // 若文件系统没有实现此方法，则返回“不支持”
-        return Err(SystemError::ENOTSUP);
+        return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP);
     }
 
     /// @brief 重新设置文件的大小
@@ -166,7 +166,7 @@ pub trait IndexNode: Any + Sync + Send + Debug {
     ///         失败：Err(错误码)
     fn resize(&self, _len: usize) -> Result<(), SystemError> {
         // 若文件系统没有实现此方法，则返回“不支持”
-        return Err(SystemError::ENOTSUP);
+        return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP);
     }
 
     /// @brief 在当前目录下创建一个新的inode
@@ -183,7 +183,7 @@ pub trait IndexNode: Any + Sync + Send + Debug {
         file_type: FileType,
         mode: u32,
     ) -> Result<Arc<dyn IndexNode>, SystemError> {
-        // 若文件系统没有实现此方法，则默认调用其create_with_data方法。如果仍未实现，则会得到一个Err(-ENOTSUP)的返回值
+        // 若文件系统没有实现此方法，则默认调用其create_with_data方法。如果仍未实现，则会得到一个Err(-EOPNOTSUPP_OR_ENOTSUP)的返回值
         return self.create_with_data(name, file_type, mode, 0);
     }
 
@@ -204,7 +204,7 @@ pub trait IndexNode: Any + Sync + Send + Debug {
         _data: usize,
     ) -> Result<Arc<dyn IndexNode>, SystemError> {
         // 若文件系统没有实现此方法，则返回“不支持”
-        return Err(SystemError::ENOTSUP);
+        return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP);
     }
 
     /// @brief 在当前目录下，创建一个名为Name的硬链接，指向另一个IndexNode
@@ -216,7 +216,7 @@ pub trait IndexNode: Any + Sync + Send + Debug {
     ///         失败：Err(错误码)
     fn link(&self, _name: &str, _other: &Arc<dyn IndexNode>) -> Result<(), SystemError> {
         // 若文件系统没有实现此方法，则返回“不支持”
-        return Err(SystemError::ENOTSUP);
+        return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP);
     }
 
     /// @brief 在当前目录下，删除一个名为Name的硬链接
@@ -227,7 +227,7 @@ pub trait IndexNode: Any + Sync + Send + Debug {
     ///         失败：Err(错误码)
     fn unlink(&self, _name: &str) -> Result<(), SystemError> {
         // 若文件系统没有实现此方法，则返回“不支持”
-        return Err(SystemError::ENOTSUP);
+        return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP);
     }
 
     /// @brief 删除文件夹
@@ -237,7 +237,7 @@ pub trait IndexNode: Any + Sync + Send + Debug {
     /// @return 成功 Ok(())
     /// @return 失败 Err(错误码)
     fn rmdir(&self, _name: &str) -> Result<(), SystemError> {
-        return Err(SystemError::ENOTSUP);
+        return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP);
     }
 
     /// @brief 将指定名称的子目录项的文件内容，移动到target这个目录下。如果_old_name所指向的inode与_target的相同，那么则直接执行重命名的操作。
@@ -257,7 +257,7 @@ pub trait IndexNode: Any + Sync + Send + Debug {
         _new_name: &str,
     ) -> Result<(), SystemError> {
         // 若文件系统没有实现此方法，则返回“不支持”
-        return Err(SystemError::ENOTSUP);
+        return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP);
     }
 
     /// @brief 寻找一个名为Name的inode
@@ -268,7 +268,7 @@ pub trait IndexNode: Any + Sync + Send + Debug {
     ///         失败：Err(错误码)
     fn find(&self, _name: &str) -> Result<Arc<dyn IndexNode>, SystemError> {
         // 若文件系统没有实现此方法，则返回“不支持”
-        return Err(SystemError::ENOTSUP);
+        return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP);
     }
 
     /// @brief 根据inode号，获取子目录项的名字
@@ -279,7 +279,7 @@ pub trait IndexNode: Any + Sync + Send + Debug {
     ///         失败：Err(错误码)
     fn get_entry_name(&self, _ino: InodeId) -> Result<String, SystemError> {
         // 若文件系统没有实现此方法，则返回“不支持”
-        return Err(SystemError::ENOTSUP);
+        return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP);
     }
 
     /// @brief 根据inode号，获取子目录项的名字和元数据
@@ -304,7 +304,7 @@ pub trait IndexNode: Any + Sync + Send + Debug {
     ///         失败：Err(错误码)
     fn ioctl(&self, _cmd: u32, _data: usize) -> Result<usize, SystemError> {
         // 若文件系统没有实现此方法，则返回“不支持”
-        return Err(SystemError::ENOTSUP);
+        return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP);
     }
 
     /// @brief 获取inode所在的文件系统的指针
@@ -320,14 +320,14 @@ pub trait IndexNode: Any + Sync + Send + Debug {
     /// @brief 在当前Inode下，挂载一个新的文件系统
     /// 请注意！该函数只能被MountFS实现，其他文件系统不应实现这个函数
     fn mount(&self, _fs: Arc<dyn FileSystem>) -> Result<Arc<MountFS>, SystemError> {
-        return Err(SystemError::ENOTSUP);
+        return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP);
     }
 
     /// @brief 截断当前inode到指定的长度。如果当前文件长度小于len,则不操作。
     ///
     /// @param len 要被截断到的目标长度
     fn truncate(&self, _len: usize) -> Result<(), SystemError> {
-        return Err(SystemError::ENOTSUP);
+        return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP);
     }
 
     /// @brief 将当前inode的内容同步到具体设备上

kernel/src/ipc/signal.rs

@@ -117,7 +117,7 @@ fn signal_kill_something_info(
     // 暂时不支持特殊的kill操作
     if pid <= 0 {
         kwarn!("Kill operation not support: pid={}", pid);
-        return Err(SystemError::ENOTSUP);
+        return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP);
     }
 
     // kill单个进程

kernel/src/libs/lockref.rs

@@ -114,13 +114,13 @@ impl LockRef {
         return Err(SystemError::ETIMEDOUT.to_posix_errno());
     }
 
-    /// @brief 对于不支持无锁lockref的架构，直接返回Err(SystemError::ENOTSUP)，表示不支持
+    /// @brief 对于不支持无锁lockref的架构，直接返回Err(SystemError::EOPNOTSUPP_OR_ENOTSUP)，表示不支持
     #[cfg(not(target_arch = "x86_64"))]
     #[inline]
     fn cmpxchg_loop(&mut self, mode: CmpxchgMode) -> Result<i32, i32> {
-        use crate::include::bindings::bindings::ENOTSUP;
+        use crate::include::bindings::bindings::EOPNOTSUPP_OR_ENOTSUP;
 
-        return Err(SystemError::ENOTSUP.to_posix_errno());
+        return Err(SystemError::EOPNOTSUPP_OR_ENOTSUP.to_posix_errno());
     }
 
     /// @brief 原子的将引用计数加1
@@ -239,7 +239,9 @@ impl LockRef {
             return Err(SystemError::EPERM);
         }
         // 由于cmpxchg超时，操作失败
-        if *cmpxchg_result.as_ref().unwrap_err() != SystemError::ENOTSUP.to_posix_errno() {
+        if *cmpxchg_result.as_ref().unwrap_err()
+            != SystemError::EOPNOTSUPP_OR_ENOTSUP.to_posix_errno()
+        {
             return Err(SystemError::EFAULT);
         }
 

kernel/src/libs/spinlock.rs

@@ -210,7 +210,7 @@ impl<T> SpinLock<T> {
                 flag: 0,
             });
         }
-        return Err(SystemError::EAGAIN);
+        return Err(SystemError::EAGAIN_OR_EWOULDBLOCK);
     }
 
     pub fn try_lock_irqsave(&self) -> Result<SpinLockGuard<T>, SystemError> {
@@ -221,7 +221,7 @@ impl<T> SpinLock<T> {
                 flag: flags,
             });
         }
-        return Err(SystemError::EAGAIN);
+        return Err(SystemError::EAGAIN_OR_EWOULDBLOCK);
     }
 }
 

kernel/src/net/socket.rs

@@ -164,7 +164,7 @@ impl Socket for RawSocket {
                 Err(smoltcp::socket::raw::RecvError::Exhausted) => {
                     if !self.options.contains(SocketOptions::BLOCK) {
                         // 如果是非阻塞的socket，就返回错误
-                        return Err(SystemError::EAGAIN);
+                        return Err(SystemError::EAGAIN_OR_EWOULDBLOCK);
                     }
                 }
             }
@@ -329,7 +329,7 @@ impl Socket for UdpSocket {
                 }
             } else {
                 // 没有数据可以读取. 如果没有bind到指定端口，也会导致rx_buf为空
-                return Err(SystemError::EAGAIN);
+                return Err(SystemError::EAGAIN_OR_EWOULDBLOCK);
             }
         }
     }
@@ -487,7 +487,7 @@ impl Socket for TcpSocket {
                     }
                 }
             } else {
-                return Err(SystemError::EAGAIN);
+                return Err(SystemError::EAGAIN_OR_EWOULDBLOCK);
             }
         }
     }

kernel/src/process/process.c

@@ -51,13 +51,13 @@ extern int process_init_files();
 extern int rs_init_stdio();
 
 // 设置初始进程的PCB
-#define INITIAL_PROC(proc)                                                                                             \
-    {                                                                                                                  \
-        .state = PROC_UNINTERRUPTIBLE, .flags = PF_KTHREAD, .preempt_count = 0, .signal = 0, .cpu_id = 0,              \
-        .mm = &initial_mm, .thread = &initial_thread, .addr_limit = 0xffffffffffffffff, .pid = 0, .priority = 2,       \
-        .virtual_runtime = 0, .fds = {0}, .next_pcb = &proc, .prev_pcb = &proc, .parent_pcb = &proc, .exit_code = 0,   \
-        .wait_child_proc_exit = 0, .worker_private = NULL, .policy = SCHED_NORMAL, .sig_blocked = 0,                   \
-        .signal = &INITIAL_SIGNALS, .sighand = &INITIAL_SIGHAND,                                                       \
+#define INITIAL_PROC(proc)                                                                                           \
+    {                                                                                                                \
+        .state = PROC_UNINTERRUPTIBLE, .flags = PF_KTHREAD, .preempt_count = 0, .signal = 0, .cpu_id = 0,            \
+        .mm = &initial_mm, .thread = &initial_thread, .addr_limit = 0xffffffffffffffff, .pid = 0, .priority = 2,     \
+        .virtual_runtime = 0, .fds = {0}, .next_pcb = &proc, .prev_pcb = &proc, .parent_pcb = &proc, .exit_code = 0, \
+        .wait_child_proc_exit = 0, .worker_private = NULL, .policy = SCHED_NORMAL, .sig_blocked = 0,                 \
+        .signal = &INITIAL_SIGNALS, .sighand = &INITIAL_SIGHAND,                                                     \
     }
 
 struct thread_struct initial_thread = {
@@ -114,8 +114,10 @@ void __switch_to(struct process_control_block *prev, struct process_control_bloc
     //           initial_tss[0].ist2, initial_tss[0].ist3, initial_tss[0].ist4, initial_tss[0].ist5,
     //           initial_tss[0].ist6, initial_tss[0].ist7);
 
-    __asm__ __volatile__("movq	%%fs,	%0 \n\t" : "=a"(prev->thread->fs));
-    __asm__ __volatile__("movq	%%gs,	%0 \n\t" : "=a"(prev->thread->gs));
+    __asm__ __volatile__("movq	%%fs,	%0 \n\t"
+                         : "=a"(prev->thread->fs));
+    __asm__ __volatile__("movq	%%gs,	%0 \n\t"
+                         : "=a"(prev->thread->gs));
 
     __asm__ __volatile__("movq	%0,	%%fs \n\t" ::"a"(next->thread->fs));
     __asm__ __volatile__("movq	%0,	%%gs \n\t" ::"a"(next->thread->gs));
@@ -621,7 +623,7 @@ ul initial_kernel_thread(ul arg)
                          "m"(current_pcb->thread->rsp), "m"(current_pcb->thread->rip), "S"("/bin/shell.elf"), "c"(NULL),
                          "d"(NULL)
                          : "memory");
-       
+
     return 1;
 }
 #pragma GCC pop_options

kernel/src/syscall/mod.rs

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

kernel/src/time/timer.rs

@@ -240,7 +240,7 @@ pub fn timer_get_first_expire() -> Result<u64, SystemError> {
             Err(_) => continue,
         }
     }
-    return Err(SystemError::EAGAIN);
+    return Err(SystemError::EAGAIN_OR_EWOULDBLOCK);
 }
 
 pub fn update_timer_jiffies(add_jiffies: u64) -> u64 {

user/libs/libc/src/include/export/errno.h

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