FreeBSD/Linux Kernel Cross Reference
sys/xen/interface/errno.h

     /*
      * There are two expected ways of including this header.
      *
      * 1) The "default" case (expected from tools etc).
      *
      * Simply #include <public/errno.h>
      *
      * In this circumstance, normal header guards apply and the includer shall get
      * an enumeration in the XEN_xxx namespace, appropriate for C or assembly.
     *
     * 2) The special case where the includer provides a XEN_ERRNO() in scope.
     *
     * In this case, no inclusion guards apply and the caller is responsible for
     * their XEN_ERRNO() being appropriate in the included context.  The header
     * will unilaterally #undef XEN_ERRNO().
     */
    
    #ifndef XEN_ERRNO
    
    /*
     * Includer has not provided a custom XEN_ERRNO().  Arrange for normal header
     * guards, an automatic enum (for C code) and constants in the XEN_xxx
     * namespace.
     */
    #ifndef __XEN_PUBLIC_ERRNO_H__
    #define __XEN_PUBLIC_ERRNO_H__
    
    #define XEN_ERRNO_DEFAULT_INCLUDE
    
    #ifndef __ASSEMBLY__
    
    #define XEN_ERRNO(name, value) XEN_##name = value,
    enum xen_errno {
    
    #elif __XEN_INTERFACE_VERSION__ < 0x00040700
    
    #define XEN_ERRNO(name, value) .equ XEN_##name, value
    
    #endif /* __ASSEMBLY__ */
    
    #endif /* __XEN_PUBLIC_ERRNO_H__ */
    #endif /* !XEN_ERRNO */
    
    /* ` enum neg_errnoval {  [ -Efoo for each Efoo in the list below ]  } */
    /* ` enum errnoval { */
    
    #ifdef XEN_ERRNO
    
    /*
     * Values originating from x86 Linux. Please consider using respective
     * values when adding new definitions here.
     *
     * The set of identifiers to be added here shouldn't extend beyond what
     * POSIX mandates (see e.g.
     * http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html)
     * with the exception that we support some optional (XSR) values
     * specified there (but no new ones should be added).
     */
    
    XEN_ERRNO(EPERM,         1)     /* Operation not permitted */
    XEN_ERRNO(ENOENT,        2)     /* No such file or directory */
    XEN_ERRNO(ESRCH,         3)     /* No such process */
    #ifdef __XEN__ /* Internal only, should never be exposed to the guest. */
    XEN_ERRNO(EINTR,         4)     /* Interrupted system call */
    #endif
    XEN_ERRNO(EIO,           5)     /* I/O error */
    XEN_ERRNO(ENXIO,         6)     /* No such device or address */
    XEN_ERRNO(E2BIG,         7)     /* Arg list too long */
    XEN_ERRNO(ENOEXEC,       8)     /* Exec format error */
    XEN_ERRNO(EBADF,         9)     /* Bad file number */
    XEN_ERRNO(ECHILD,       10)     /* No child processes */
    XEN_ERRNO(EAGAIN,       11)     /* Try again */
    XEN_ERRNO(EWOULDBLOCK,  11)     /* Operation would block.  Aliases EAGAIN */
    XEN_ERRNO(ENOMEM,       12)     /* Out of memory */
    XEN_ERRNO(EACCES,       13)     /* Permission denied */
    XEN_ERRNO(EFAULT,       14)     /* Bad address */
    XEN_ERRNO(EBUSY,        16)     /* Device or resource busy */
    XEN_ERRNO(EEXIST,       17)     /* File exists */
    XEN_ERRNO(EXDEV,        18)     /* Cross-device link */
    XEN_ERRNO(ENODEV,       19)     /* No such device */
    XEN_ERRNO(EISDIR,       21)     /* Is a directory */
    XEN_ERRNO(EINVAL,       22)     /* Invalid argument */
    XEN_ERRNO(ENFILE,       23)     /* File table overflow */
    XEN_ERRNO(EMFILE,       24)     /* Too many open files */
    XEN_ERRNO(ENOSPC,       28)     /* No space left on device */
    XEN_ERRNO(EROFS,        30)     /* Read-only file system */
    XEN_ERRNO(EMLINK,       31)     /* Too many links */
    XEN_ERRNO(EDOM,         33)     /* Math argument out of domain of func */
    XEN_ERRNO(ERANGE,       34)     /* Math result not representable */
    XEN_ERRNO(EDEADLK,      35)     /* Resource deadlock would occur */
    XEN_ERRNO(EDEADLOCK,    35)     /* Resource deadlock would occur. Aliases EDEADLK */
    XEN_ERRNO(ENAMETOOLONG, 36)     /* File name too long */
    XEN_ERRNO(ENOLCK,       37)     /* No record locks available */
    XEN_ERRNO(ENOSYS,       38)     /* Function not implemented */
    XEN_ERRNO(ENOTEMPTY,    39)     /* Directory not empty */
    XEN_ERRNO(ENODATA,      61)     /* No data available */
    XEN_ERRNO(ETIME,        62)     /* Timer expired */
    XEN_ERRNO(EBADMSG,      74)     /* Not a data message */
    XEN_ERRNO(EOVERFLOW,    75)     /* Value too large for defined data type */
   XEN_ERRNO(EILSEQ,       84)     /* Illegal byte sequence */
   #ifdef __XEN__ /* Internal only, should never be exposed to the guest. */
   XEN_ERRNO(ERESTART,     85)     /* Interrupted system call should be restarted */
   #endif
   XEN_ERRNO(ENOTSOCK,     88)     /* Socket operation on non-socket */
   XEN_ERRNO(EMSGSIZE,     90)     /* Message too large. */
   XEN_ERRNO(EOPNOTSUPP,   95)     /* Operation not supported on transport endpoint */
   XEN_ERRNO(EADDRINUSE,   98)     /* Address already in use */
   XEN_ERRNO(EADDRNOTAVAIL, 99)    /* Cannot assign requested address */
   XEN_ERRNO(ENOBUFS,      105)    /* No buffer space available */
   XEN_ERRNO(EISCONN,      106)    /* Transport endpoint is already connected */
   XEN_ERRNO(ENOTCONN,     107)    /* Transport endpoint is not connected */
   XEN_ERRNO(ETIMEDOUT,    110)    /* Connection timed out */
   XEN_ERRNO(ECONNREFUSED, 111)    /* Connection refused */
   
   #undef XEN_ERRNO
   #endif /* XEN_ERRNO */
   /* ` } */
   
   /* Clean up from a default include.  Close the enum (for C). */
   #ifdef XEN_ERRNO_DEFAULT_INCLUDE
   #undef XEN_ERRNO_DEFAULT_INCLUDE
   #ifndef __ASSEMBLY__
   };
   #endif
   
   #endif /* XEN_ERRNO_DEFAULT_INCLUDE */

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