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wcwidth.3: ATTRIBUTES: Note function that is thread safe with exceptions 

The function wcwidth() is thread safe with exceptions.

Signed-off-by: Peng Haitao <penght@cn.fujitsu.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Peng Haitao 2013-11-04 13:15:35 +08:00 committed by Michael Kerrisk
parent 060d7a6e95
commit b2e49efdc6
1 changed files with 9 additions and 1 deletions
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man3/wcwidth.3
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@ -12,7 +12,7 @@
.\" Dinkumware C library reference http://www.dinkumware.com/
.\" OpenGroup's Single UNIX specification http://www.UNIX-systems.org/online.html
.\"
.TH WCWIDTH 3 2011-09-28 "GNU" "Linux Programmer's Manual"
.TH WCWIDTH 3 2013-11-04 "GNU" "Linux Programmer's Manual"
.SH NAME
wcwidth \- determine columns needed for a wide character
.SH SYNOPSIS
@ -42,6 +42,14 @@ The
function returns the number of
column positions for
.IR c .
.SH ATTRIBUTES
.SS Multithreading (see pthreads(7))
The
.BR wcwidth ()
function is thread-safe with exceptions.
It can be safely used in multithreaded applications, as long as
.BR setlocale (3)
is not called to change the locale.
.SH CONFORMING TO
POSIX.1-2001.