diff options
Diffstat (limited to 'Doc/lib')
| -rw-r--r-- | Doc/lib/libfcntl.tex | 5 | ||||
| -rw-r--r-- | Doc/lib/libposixfile.tex | 4 |
2 files changed, 9 insertions, 0 deletions
diff --git a/Doc/lib/libfcntl.tex b/Doc/lib/libfcntl.tex index 1aba520..3a51ce1 100644 --- a/Doc/lib/libfcntl.tex +++ b/Doc/lib/libfcntl.tex @@ -42,6 +42,11 @@ See the Unix manual for details. (On some systems, this function is emulated using \code{fcntl}.) \end{funcdesc} +\begin{funcdesc}{lockf}{fd\, code\, \optional{len\, \optional{start\, \optional{whence}}}} +This is a wrapper around the \code{F_SETLK} and \code{F_SETLKW} +\code{fcntl()} calls. See the Unix manual for details. +\end{funcdesc} + If the library modules \code{FCNTL} or \code{IOCTL} are missing, you can find the opcodes in the C include files \code{sys/fcntl} and \code{sys/ioctl}. You can create the modules yourself with the h2py diff --git a/Doc/lib/libposixfile.tex b/Doc/lib/libposixfile.tex index 6679f12..5c853e7 100644 --- a/Doc/lib/libposixfile.tex +++ b/Doc/lib/libposixfile.tex @@ -3,6 +3,10 @@ \bimodindex{posixfile} \indexii{posix}{file object} +\emph{Note:} This module will become obsolete in a future release. +The locking operation that it provides is done better and more +portably by the \code{fcntl.lockf()} call. + This module implements some additional functionality over the built-in file objects. In particular, it implements file locking, control over the file flags, and an easy interface to duplicate the file object. |