From de86e93c28d50ab2f3a63a3e2ede7b0fdc0b215c Mon Sep 17 00:00:00 2001 From: Michael Kerrisk Date: Fri, 19 Apr 2013 08:36:42 +0200 Subject: [PATCH] sigaction.2: RETURN VALUE: mention that 'errno' is set on error Reported-by: Brian Norris Signed-off-by: Michael Kerrisk --- man2/sigaction.2 | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/man2/sigaction.2 b/man2/sigaction.2 index 7a362c0c2..876ed7f41 100644 --- a/man2/sigaction.2 +++ b/man2/sigaction.2 @@ -44,7 +44,7 @@ .\" 2010-06-11 Andi Kleen, add hwpoison signal extensions .\" 2010-06-11 mtk, improvements to discussion of various siginfo_t fields. .\" -.TH SIGACTION 2 2013-02-12 "Linux" "Linux Programmer's Manual" +.TH SIGACTION 2 2013-04-19 "Linux" "Linux Programmer's Manual" .SH NAME sigaction \- examine and change a signal action .SH SYNOPSIS @@ -659,7 +659,9 @@ device disconnected .RE .SH RETURN VALUE .BR sigaction () -returns 0 on success and \-1 on error. +returns 0 on success; on error, \-1 is returned, and +.I errno +is set to indicate the error. .SH ERRORS .TP .B EFAULT