From d51899bba08b750751ad0633fe0f711fe0b0c164 Mon Sep 17 00:00:00 2001 From: Peng Haitao Date: Wed, 15 Jan 2014 15:23:42 +0800 Subject: [PATCH] strstr.3: ATTRIBUTES: Note function that is thread safe with exceptions The function strstr() is thread safe. The function strcasestr() is thread safe with exceptions. Signed-off-by: Peng Haitao Signed-off-by: Michael Kerrisk --- man3/strstr.3 | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/man3/strstr.3 b/man3/strstr.3 index ba03f19f8..c667da568 100644 --- a/man3/strstr.3 +++ b/man3/strstr.3 @@ -30,7 +30,7 @@ .\" Added history, aeb, 980113. .\" 2005-05-05 mtk: added strcasestr() .\" -.TH STRSTR 3 2014-01-04 "GNU" "Linux Programmer's Manual" +.TH STRSTR 3 2014-01-15 "GNU" "Linux Programmer's Manual" .SH NAME strstr, strcasestr \- locate a substring .SH SYNOPSIS @@ -62,6 +62,18 @@ but ignores the case of both arguments. .SH RETURN VALUE These functions return a pointer to the beginning of the located substring, or NULL if the substring is not found. +.SH ATTRIBUTES +.SS Multithreading (see pthreads(7)) +The +.BR strstr () +function is thread-safe. +.LP +The +.BR strcasestr () +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 The .BR strstr ()