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| -rw-r--r-- | Doc/library/fcntl.rst | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Doc/library/fcntl.rst b/Doc/library/fcntl.rst index 562e78f..478c450 100644 --- a/Doc/library/fcntl.rst +++ b/Doc/library/fcntl.rst @@ -82,6 +82,8 @@ The module defines the following functions: which is a change from versions 2.3 and 2.4. Supply the argument explicitly if version portability is a priority. + If the :c:func:`ioctl` fails, an :exc:`IOError` exception is raised. + An example:: >>> import array, fcntl, struct, termios, os @@ -103,6 +105,8 @@ The module defines the following functions: :manpage:`flock(2)` for details. (On some systems, this function is emulated using :c:func:`fcntl`.) + If the :c:func:`flock` fails, an :exc:`IOError` exception is raised. + .. function:: lockf(fd, operation, [length, [start, [whence]]]) |