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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 a517d6e..b798f22 100644 --- a/Doc/library/fcntl.rst +++ b/Doc/library/fcntl.rst @@ -83,6 +83,8 @@ The module defines the following functions: buffer 1024 bytes long which is then passed to :func:`ioctl` and copied back into the supplied buffer. + If the :c:func:`ioctl` fails, an :exc:`IOError` exception is raised. + An example:: >>> import array, fcntl, struct, termios, os @@ -104,6 +106,8 @@ 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]]]) |