diff options
Diffstat (limited to 'Doc/library/os.rst')
| -rw-r--r-- | Doc/library/os.rst | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Doc/library/os.rst b/Doc/library/os.rst index 55e007a..951474f 100644 --- a/Doc/library/os.rst +++ b/Doc/library/os.rst @@ -274,7 +274,8 @@ process and user. .. function:: strerror(code) Return the error message corresponding to the error code in *code*. - Availability: Unix, Windows. + On platforms where :cfunc:`strerror` returns ``NULL`` when given an unknown + error number, :exc:`ValueError` is raised. Availability: Unix, Windows. .. function:: umask(mask) |