From cc3ddcf9fa68477ec525d4be61abca3f1efa4ad9 Mon Sep 17 00:00:00 2001
From: Jeff Trawick <trawick@apache.org>
Date: Mon, 12 Jan 2004 18:31:31 +0000
Subject: [PATCH] backport this fix from 2.1-dev:

     Fix a long delay with CGI requests and keepalive connections on
     AIX.

Reviewed by:	stoddard, jerenkrantz


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/APACHE_2_0_BRANCH@102297 13f79535-47bb-0310-9956-ffa450edef68
---
 CHANGES                       |  3 +++
 STATUS                        |  8 +-------
 modules/generators/mod_cgid.c | 10 ++++++++++
 3 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/CHANGES b/CHANGES
index 64d601699a5..c443f1774df 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,5 +1,8 @@
 Changes with Apache 2.0.49
 
+  *) Fix a long delay with CGI requests and keepalive connections on
+     AIX.  [Jeff Trawick]
+
   *) mod_autoindex: Add 'XHTML' option in order to allow switching between
      HTML 3.2 and XHTML 1.0 output. PR 23747.  [André Malo]
 
diff --git a/STATUS b/STATUS
index 8c1cc76563e..5b736091da2 100644
--- a/STATUS
+++ b/STATUS
@@ -1,5 +1,5 @@
 APACHE 2.0 STATUS:                                              -*-text-*-
-Last modified at [$Date: 2004/01/12 15:54:35 $]
+Last modified at [$Date: 2004/01/12 18:31:30 $]
 
 Release:
 
@@ -298,12 +298,6 @@ PATCHES TO BACKPORT FROM 2.1
         modules/experimental/cache_cache.c r1.5
       +1: jwoolley, bnicholes, rederpj
 
-    * Fix a long delay with CGI requests and keepalive connections on
-      AIX.
-        modules/generators/mod_cgid.c r1.159
-      jerenkrantz: Could we do this on other platforms, too?
-      +1: trawick, stoddard, jerenkrantz
-
 CURRENT RELEASE NOTES:
 
     * Backwards compatibility is expected of future Apache 2.0 releases,
diff --git a/modules/generators/mod_cgid.c b/modules/generators/mod_cgid.c
index 4fdeafdb5ac..586fdcb93a2 100644
--- a/modules/generators/mod_cgid.c
+++ b/modules/generators/mod_cgid.c
@@ -1161,7 +1161,17 @@ static apr_status_t dead_yet(pid_t pid, apr_interval_time_t max_wait)
     apr_interval_time_t total = 0;
 
     do {
+#ifdef _AIX
+        /* On AIX, for processes like mod_cgid's script children where
+         * SIGCHLD is ignored, kill(pid,0) returns success for up to
+         * one second after the script child exits, based on when a
+         * daemon runs to clean up unnecessary process table entries.
+         * getpgid() can report the proper info (-1/ESRCH) immediately.
+         */
+        if (getpgid(pid) < 0) {
+#else
         if (kill(pid, 0) < 0) {
+#endif
             return APR_SUCCESS;
         }
         apr_sleep(interval);
-- 
2.47.3