134e17798c
Approved by: trasz MFC after: 1 month Sponsored by: Conclusive Engineering (development), vStack.com (funding)
147 lines
2.9 KiB
Python
147 lines
2.9 KiB
Python
#! /usr/bin/env python
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"""
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Error number definitions for 9P2000, .u, and .L.
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Note that there is no native-to-9P2000 (plain) translation
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table since 9P2000 takes error *strings* rather than error
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*numbers*.
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"""
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import errno as _errno
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import lerrno as _lerrno
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import os as _os
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_native_to_dotu = {
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# These are in the "standard" range(1, errno.ERANGE)
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# but do not map to themselves, so map them here first.
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_errno.ENOTEMPTY: _errno.EPERM,
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_errno.EDQUOT: _errno.EPERM,
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_errno.ENOSYS: _errno.EPERM,
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}
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_native_to_dotl = {}
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# Add standard errno's.
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for _i in range(1, _errno.ERANGE):
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_native_to_dotu.setdefault(_i, _i)
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_native_to_dotl[_i] = _i
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# Add linux errno's. Note that Linux EAGAIN at #11 overrides BSD EDEADLK,
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# but Linux has EDEADLK at #35 which overrides BSD EAGAIN, so it all
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# works out.
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#
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# We just list every BSD error name here, since the hasattr()s do
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# the real work.
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for _i in (
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'EDEADLK',
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'EAGAIN',
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'EINPROGRESS',
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'EALREADY',
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'ENOTSOCK',
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'EDESTADDRREQ',
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'EMSGSIZE',
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'EPROTOTYPE',
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'ENOPROTOOPT',
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'EPROTONOSUPPORT',
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'ESOCKTNOSUPPORT',
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'EOPNOTSUPP',
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'EPFNOSUPPORT',
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'EAFNOSUPPORT',
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'EADDRINUSE',
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'EADDRNOTAVAIL',
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'ENETDOWN',
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'ENETUNREACH',
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'ENETRESET',
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'ECONNABORTED',
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'ECONNRESET',
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'ENOBUFS',
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'EISCONN',
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'ENOTCONN',
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'ESHUTDOWN',
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'ETOOMANYREFS',
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'ETIMEDOUT',
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'ECONNREFUSED',
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'ELOOP',
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'ENAMETOOLONG',
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'EHOSTDOWN',
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'EHOSTUNREACH',
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'ENOTEMPTY',
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'EPROCLIM',
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'EUSERS',
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'EDQUOT',
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'ESTALE',
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'EREMOTE',
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'EBADRPC',
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'ERPCMISMATCH',
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'EPROGUNAVAIL',
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'EPROGMISMATCH',
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'EPROCUNAVAIL',
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'ENOLCK',
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'ENOSYS',
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'EFTYPE',
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'EAUTH',
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'ENEEDAUTH',
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'EIDRM',
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'ENOMSG',
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'EOVERFLOW',
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'ECANCELED',
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'EILSEQ',
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'EDOOFUS',
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'EBADMSG',
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'EMULTIHOP',
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'ENOLINK',
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'EPROTO',
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'ENOTCAPABLE',
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'ECAPMODE',
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'ENOTRECOVERABLE',
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'EOWNERDEAD',
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):
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if hasattr(_errno, _i) and hasattr(_lerrno, _i):
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_native_to_dotl[getattr(_errno, _i)] = getattr(_lerrno, _i)
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del _i
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def to_dotu(errnum):
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"""
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Translate native errno to 9P2000.u errno.
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>>> import errno
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>>> to_dotu(errno.EIO)
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5
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>>> to_dotu(errno.EDQUOT)
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1
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>>> to_dotu(errno.ELOOP)
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5
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There is a corresponding dotu_strerror() (which is really
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just os.strerror):
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>>> dotu_strerror(5)
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'Input/output error'
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"""
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return _native_to_dotu.get(errnum, _errno.EIO) # default to EIO
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def to_dotl(errnum):
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"""
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Translate native errno to 9P2000.L errno.
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>>> import errno
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>>> to_dotl(errno.ELOOP)
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40
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There is a corresponding dotl_strerror():
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>>> dotl_strerror(40)
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'Too many levels of symbolic links'
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"""
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return _native_to_dotl.get(errnum, _lerrno.ENOTRECOVERABLE)
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dotu_strerror = _os.strerror
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dotl_strerror = _lerrno.strerror
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if __name__ == '__main__':
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import doctest
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doctest.testmod()
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