.\" 2010-06-11 Andi Kleen, add hwpoison signal extensions
.\" 2010-06-11 mtk, improvements to discussion of various siginfo_t fields.
.\"
-.TH SIGACTION 2 2012-04-12 "Linux" "Linux Programmer's Manual"
+.TH SIGACTION 2 2012-04-26 "Linux" "Linux Programmer's Manual"
.SH NAME
sigaction \- examine and change a signal action
.SH SYNOPSIS
.TP 15
.B SI_USER
.BR kill (2)
-or
-.BR raise (3)
.TP
.B SI_KERNEL
Sent by the kernel.