[Bug 14411] pselect man page Linux notes appear to be out of date

[bugzilla-daemon-590EEB7GvNiWaY/ihj7yzEB+6BGkLq7r@public.gmane.org]

https://bugzilla.kernel.org/show_bug.cgi?id=14411





--- Comment #1 from Michael Kerrisk <mtk.manpages-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>  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

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