diff options
Diffstat (limited to 'Doc/lib')
| -rw-r--r-- | Doc/lib/liberrno.tex | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/Doc/lib/liberrno.tex b/Doc/lib/liberrno.tex index 9d7e52d..2c45266 100644 --- a/Doc/lib/liberrno.tex +++ b/Doc/lib/liberrno.tex @@ -5,11 +5,16 @@ 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 linux/include/errno.h, +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. +The module also defines the dictionary variable \code{errorcode} which +maps numeric error codes back to their symbol names, so that e.g. +\code{errno.errorcode[errno.EPERM] == 'EPERM'}. To translate a +numeric error code to an error message, use \code{os.strerror()}. + Symbols available can include: \begin{datadesc}{EPERM} Operation not permitted \end{datadesc} \begin{datadesc}{ENOENT} No such file or directory \end{datadesc} |