epoll_ctl.2: Added VERSIONS section

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

diff --git a/man2/epoll_ctl.2 b/man2/epoll_ctl.2
index e62e652ede16a696e38622c1a964e0e66d931885..9c2b621aa017da4b49d05ae0310748a981aeea7d 100644 (file)
--- a/man2/epoll_ctl.2
+++ b/man2/epoll_ctl.2
@@ -18,7 +18,7 @@
 .\"
 .\"  Davide Libenzi <davidel@xmailserver.org>
 .\"
-.TH EPOLL_CTL 2 2010-08-29 "Linux" "Linux Programmer's Manual"
+.TH EPOLL_CTL 2 2010-12-03 "Linux" "Linux Programmer's Manual"
 .SH NAME
 epoll_ctl \- control interface for an epoll descriptor
 .SH SYNOPSIS
@@ -221,10 +221,15 @@ The target file
 .I fd
 does not support
 .BR epoll .
-.SH CONFORMING TO
+.SH VERSIONS
 .BR epoll_ctl ()
-is Linux-specific, and was introduced in kernel 2.5.44.
+was added to the kernel in version 2.6.
+.\" To be precise: kernel 2.5.44.
 .\" The interface should be finalized by Linux kernel 2.5.66.
+.SH CONFORMING TO
+.BR epoll_ctl ()
+is Linux-specific.
+Library support is provided in glibc starting with version 2.3.2.
 .SH NOTES
 The
 .B epoll