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Diffstat (limited to 'Doc/lib/liberrno.tex')
| -rw-r--r-- | Doc/lib/liberrno.tex | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/Doc/lib/liberrno.tex b/Doc/lib/liberrno.tex index 507953d..28f68c5 100644 --- a/Doc/lib/liberrno.tex +++ b/Doc/lib/liberrno.tex @@ -2,21 +2,25 @@ \label{module-errno} \stmodindex{errno} -\setindexsubitem{(in module errno)} This module makes available standard errno system symbols. The value of each symbol is the corresponding integer value. The names and descriptions are borrowed from \file{linux/include/errno.h}, -which should be pretty all-inclusive. Of the following list, symbols -that are not used on the current platform are not defined by the -module. +which should be pretty all-inclusive. -The module also defines the dictionary variable \code{errorcode} which -maps numeric error codes back to their symbol names, so that e.g. -\samp{errno.errorcode[errno.EPERM] == 'EPERM'}. To translate a -numeric error code to an error message, use \function{os.strerror()}. +\begin{datadesc}{errorcode} + Dictionary providing a mapping from the errno value to the string + name in the underlying system. For instance, + \code{errno.errorcode[errno.EPERM]} maps to \code{'EPERM'}. +\end{datadesc} + +To translate a numeric error code to an error message, use +\function{os.strerror()}. + +Of the following list, symbols that are not used on the current +platform are not defined by the module. Symbols available can +include: -Symbols available can include: \begin{datadesc}{EPERM} Operation not permitted \end{datadesc} \begin{datadesc}{ENOENT} No such file or directory \end{datadesc} \begin{datadesc}{ESRCH} No such process \end{datadesc} |