.\" Modified Sat Jul 24 18:40:56 1993 by Rik Faith (faith@cs.unc.edu)
.\" Modified 1995 by Mike Battersby (mib@deakin.edu.au)
.\"
-.TH RAISE 3 2008-10-17 "GNU" "Linux Programmer's Manual"
+.TH RAISE 3 2012-04-20 "GNU" "Linux Programmer's Manual"
.SH NAME
raise \- send a signal to the caller
.SH SYNOPSIS
returns 0 on success, and nonzero for failure.
.SH "CONFORMING TO"
C89, C99, POSIX.1-2001.
+.SH NOTES
+Since version 2.3.3, glibc implements
+.BR raise ()
+by calling
+.BR tgkill (2),
+.\" 2.3.2 used the obsolete tkill(), if available.
+if the kernel supports that system call.
+Older glibc versions implemented
+.BR raise ()
+using
+.BR kill (2).
.SH "SEE ALSO"
.BR getpid (2),
.BR kill (2),