From e784740e1cf7143532fe9605368862ffd377b681 Mon Sep 17 00:00:00 2001
From: Paul Eggert <address@hidden>
Date: Thu, 7 Aug 2014 18:04:32 -0700
Subject: [PATCH] getdtablesize: fall back on sysconf (_SC_OPEN_MAX)

Problem reported by Jonas 'Sortie' Termansen in:
http://lists.gnu.org/archive/html/bug-gnulib/2014-08/msg00023.html
* lib/getdtablesize.c (getdtablesize) [_SC_OPEN_MAX]:
Implement via sysconf for platforms that lack getdtablesize.
---
 ChangeLog           | 6 ++++++
 lib/getdtablesize.c | 8 ++++++++
 2 files changed, 14 insertions(+)

diff --git a/ChangeLog b/ChangeLog
index 386520b..b0ba90a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
 2014-08-07  Paul Eggert  <address@hidden>
 
+	getdtablesize: fall back on sysconf (_SC_OPEN_MAX)
+	Problem reported by Jonas 'Sortie' Termansen in:
+	http://lists.gnu.org/archive/html/bug-gnulib/2014-08/msg00023.html
+	* lib/getdtablesize.c (getdtablesize) [_SC_OPEN_MAX]:
+	Implement via sysconf for platforms that lack getdtablesize.
+
 	vararrays: modernize AC_C_VARARRAYS for C11
 	This backports a change I recently made to Autoconf.
 	* m4/vararrays.m4 (AC_C_VARARRAYS): Define __STDC_NO_VLA__ if
diff --git a/lib/getdtablesize.c b/lib/getdtablesize.c
index 946738c..f0c6271 100644
--- a/lib/getdtablesize.c
+++ b/lib/getdtablesize.c
@@ -104,4 +104,12 @@ rpl_getdtablesize(void)
   return getdtablesize ();
 }
 
+#elif defined _SC_OPEN_MAX
+
+int
+getdtablesize (void)
+{
+  return sysconf (_SC_OPEN_MAX);
+}
+
 #endif
-- 
1.9.3