From 6f440e251082c7ee10bde40b85cf1a69f5a4a062 Mon Sep 17 00:00:00 2001
From: Jeff Trawick <trawick@apache.org>
Date: Fri, 14 Jun 2002 16:38:07 +0000
Subject: [PATCH] AIX 4.3.3 and above: Define
 SINGLE_LISTEN_UNSERIALIZED_ACCEPT. These levels of AIX don't have a
 thundering herd problem with accept().

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@95673 13f79535-47bb-0310-9956-ffa450edef68
---
 CHANGES      | 4 ++++
 configure.in | 6 ++++++
 2 files changed, 10 insertions(+)

diff --git a/CHANGES b/CHANGES
index 32c3c82882..40399b1290 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,5 +1,9 @@
 Changes with Apache 2.0.38
 
+  *) AIX 4.3.3 and above: Define SINGLE_LISTEN_UNSERIALIZED_ACCEPT.
+     These levels of AIX don't have a thundering herd problem with
+     accept().  [Jeff Trawick]
+
   *) prefork MPM: Ignore mutex errors during graceful restart.  For
      certain types of mutexes (particularly SysV semaphores), we
      should expect to occasionally fail to obtain or release the
diff --git a/configure.in b/configure.in
index 306bf587a5..f2d66df25f 100644
--- a/configure.in
+++ b/configure.in
@@ -208,6 +208,12 @@ case $host in
       APR_SETVAR(APACHE_MPM, [prefork])
       APR_SETVAR(SINGLE_LISTEN_UNSERIALIZED_ACCEPT, [1])
       ;;
+  *aix*)
+      aixver=`echo $host | sed 's/^[[^0-9]]*//' | sed 's/\.//g'`
+      if test $aixver -ge 4330; then
+        APR_SETVAR(SINGLE_LISTEN_UNSERIALIZED_ACCEPT, [1])
+      fi
+      ;;
 esac
 
 dnl
-- 
2.50.1