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| author | Peng Haitao <penght@cn.fujitsu.com> | 2013-05-24 09:08:09 +0800 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2013-06-19 03:31:02 +0200 |
| commit | 1454246e942abdb97fcfe3b242d630d5b46f08d5 (patch) | |
| tree | 69e8a169f2b61435a047c1aa2186615462e7552d | |
| parent | d50621129375fe782a2e9792110badc41a3b3175 (diff) | |
| download | man-pages-1454246e942abdb97fcfe3b242d630d5b46f08d5.tar.gz | |
getlogin.3: ATTRIBUTES: Note function that is not thread-safe
The function getlogin() is not thread safe.
The function cuserid() is thread-safe with exceptions.
Signed-off-by: Peng Haitao <penght@cn.fujitsu.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
| -rw-r--r-- | man3/getlogin.3 | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/man3/getlogin.3 b/man3/getlogin.3 index d2e06d768c..a4517feedb 100644 --- a/man3/getlogin.3 +++ b/man3/getlogin.3 @@ -137,6 +137,20 @@ password database file \fI/var/run/utmp\fP (traditionally \fI/etc/utmp\fP; some libc versions used \fI/var/adm/utmp\fP) +.SH ATTRIBUTES +.SS Multithreading(see pthreads(7)) +The +.BR getlogin () +function is not thread-safe. +.LP +The +.BR getlogin_r () +function is thread-safe. +.LP +The +.BR cuserid () +function is thread-safe with exceptions. +It is not thread-safe if called with a NULL parameter. .SH CONFORMING TO .BR getlogin () and |