aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorPeng Haitao <penght@cn.fujitsu.com>2013-12-24 10:16:07 +0800
committerMichael Kerrisk <mtk.manpages@gmail.com>2013-12-27 07:26:03 +1300
commit0462e39274583b069609ab5a6ea626fff3795ab2 (patch)
tree257783237364a853652c6df206b09f5676b67dec
parentec3ca30fe7e5bc07a7b3c36f61a27d35ea9a89d3 (diff)
downloadman-pages-0462e39274583b069609ab5a6ea626fff3795ab2.tar.gz
toupper.3: ATTRIBUTES: Note functions that are thread safe with exceptions
The functions toupper() and tolower() are 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/toupper.313
1 files changed, 12 insertions, 1 deletions
diff --git a/man3/toupper.3 b/man3/toupper.3
index 7a9ba2cc64..f592495a39 100644
--- a/man3/toupper.3
+++ b/man3/toupper.3
@@ -24,7 +24,7 @@
.\"
.\" Modified Sat Jul 24 17:45:39 1993 by Rik Faith (faith@cs.unc.edu)
.\" Modified 2000-02-13 by Nicol�s Lichtmaier <nick@debian.org>
-.TH TOUPPER 3 1993-04-04 "GNU" "Linux Programmer's Manual"
+.TH TOUPPER 3 2013-12-24 "GNU" "Linux Programmer's Manual"
.SH NAME
toupper, tolower \- convert letter to upper or lower case
.SH SYNOPSIS
@@ -58,6 +58,17 @@ is undefined.
The value returned is that of the converted letter, or
.I c
if the conversion was not possible.
+.SH ATTRIBUTES
+.SS Multithreading (see pthreads(7))
+The
+.BR toupper ()
+and
+.BR tolower ()
+functions are thread-safe with exceptions.
+These functions can be safely used in multithreaded applications,
+as long as
+.BR setlocale (3)
+is not called to change the locale.
.SH CONFORMING TO
C89, C99, 4.3BSD.
.SH BUGS