From: Bruno Haible <bruno@clisp.org>
Date: Sun, 23 Aug 2009 00:39:38 +0000 (+0200)
Subject: Improve comment about pipe2.
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f2adc0075d009d8ced73b063e752e483a1cd5fff;p=pspp

Improve comment about pipe2.
---

diff --git a/lib/unistd.in.h b/lib/unistd.in.h
index 7dc33bc691..a79ebbe87d 100644
--- a/lib/unistd.in.h
+++ b/lib/unistd.in.h
@@ -537,7 +537,9 @@ extern int link (const char *path1, const char *path2);
    The flags are a bitmask, possibly including O_CLOEXEC (defined in <fcntl.h>)
    and O_TEXT, O_BINARY (defined in "binary-io.h").
    Store the read-end as fd[0] and the write-end as fd[1].
-   Return 0 upon success, or -1 with errno set upon failure.  */
+   Return 0 upon success, or -1 with errno set upon failure.
+   See also the Linux man page at
+   <http://www.kernel.org/doc/man-pages/online/pages/man2/pipe2.2.html>.  */
 # if !@HAVE_PIPE2@
 extern int pipe2 (int fd[2], int flags);
 # endif