The functions __fbufsize(), __fpending(), __fpurge() and __fsetlocking() are not thread safe. Signed-off-by: Peng Haitao <penght@xxxxxxxxxxxxxx> --- man3/stdio_ext.3 | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/man3/stdio_ext.3 b/man3/stdio_ext.3 index fb5767a..d2578fe 100644 --- a/man3/stdio_ext.3 +++ b/man3/stdio_ext.3 @@ -129,6 +129,25 @@ output to a terminal is forced out, say before reading keyboard input.) The .BR __fpurge () function discards the contents of the stream's buffer. +.SH ATTRIBUTES +.SS Multithreading (see pthreads(7)) +The +.BR __fbufsize (), +.BR __fpending (), +.BR __fpurge () +and +.BR __fsetlocking () +functions do not lock the stream, so they are not thread-safe. +.LP +The +.BR __flbf (), +.BR __freadable (), +.BR __freading (), +.BR __fwritable (), +.BR __fwriting () +and +.BR _flushlbf () +functions are thread-safe. .SH SEE ALSO .BR flockfile (3), .BR fpurge (3) -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html