diff options
Diffstat (limited to 'Doc/lib/libposix.tex')
| -rw-r--r-- | Doc/lib/libposix.tex | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/Doc/lib/libposix.tex b/Doc/lib/libposix.tex index 7cc4c0a..a0fccdd 100644 --- a/Doc/lib/libposix.tex +++ b/Doc/lib/libposix.tex @@ -225,10 +225,12 @@ Add \var{incr} to the process' ``niceness''. Return the new niceness. (Not on MS-DOS.) \end{funcdesc} -\begin{funcdesc}{open}{file\, flags\, mode} +\begin{funcdesc}{open}{file\, flags\optional{\, mode}} Open the file \var{file} and set various flags according to \var{flags} and possibly its mode according to \var{mode}. -Return the file descriptor for the newly opened file. +The default \var{mode} is 0777 (octal), and the current umask value is +first masked out. Return the file descriptor for the newly opened +file. Note: this function is intended for low-level I/O. For normal usage, use the built-in function \code{open}, which returns a ``file object'' |