From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r@public.gmane.org
Subject: [Bug 14411] pselect man page Linux notes appear to be out of date
Date: Tue, 31 Aug 2010 05:02:47 GMT
Message-ID: <201008310502.o7V52lMs002811@demeter1.kernel.org>
References:
Mime-Version: 1.0
Content-Type: text/plain; charset="UTF-8"
Return-path:
In-Reply-To:
Sender: linux-man-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
To: linux-man-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
List-Id: linux-man@vger.kernel.org
https://bugzilla.kernel.org/show_bug.cgi?id=14411
--- Comment #1 from Michael Kerrisk 2010-08-31 05:02:44 ---
Mike,
thanks for the report. I agree the text should be clearer. I applied the
following patch for man-pages-3.26.
Thanks,
Michael
--- a/man2/select.2
+++ b/man2/select.2
@@ -427,15 +427,19 @@ that did not take a
.I sigmask
argument.
-Since version 2.1, glibc has provided an emulation of
+Starting with version 2.1, glibc provided an emulation of
.BR pselect ()
-that is implemented using
+that was implemented using
.BR sigprocmask (2)
and
.BR select ().
-This implementation remains vulnerable to the very race condition that
+This implementation remained vulnerable to the very race condition that
.BR pselect ()
was designed to prevent.
+Modern versions of glibc use the (race-free)
+.BR pselect ()
+system call on kernels where it is provided.
+
On systems that lack
.BR pselect (),
reliable (and more portable) signal trapping can be achieved
--
Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are watching the assignee of the bug.
--
To unsubscribe from this list: send the line "unsubscribe linux-man" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at http://vger.kernel.org/majordomo-info.html