From 6aad500e71be103d9331b0b07fdee8af1d8a52e7 Mon Sep 17 00:00:00 2001
From: Tom Yu <tlyu@mit.edu>
Date: Sat, 9 Nov 2002 01:39:45 +0000
Subject: [PATCH] tests/dejagnu leaks ptys

	* default.exp: Add (disabled) debugging code for catching leaking
	ptys.  expect eof from the correct spawn_ids when killing kdc and
	kadmind to avoid leaking ptys.

ticket: new
status: open

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@14984 dc483132-0cff-0310-8789-dd5450dbe970
---
 src/tests/dejagnu/config/ChangeLog   |  6 +++++
 src/tests/dejagnu/config/default.exp | 36 ++++++++++++++++++++++++----
 2 files changed, 38 insertions(+), 4 deletions(-)

diff --git a/src/tests/dejagnu/config/ChangeLog b/src/tests/dejagnu/config/ChangeLog
index 0ae598d65..83a2d90d2 100644
--- a/src/tests/dejagnu/config/ChangeLog
+++ b/src/tests/dejagnu/config/ChangeLog
@@ -1,3 +1,9 @@
+2002-11-08  Tom Yu  <tlyu@mit.edu>
+
+	* default.exp: Add (disabled) debugging code for catching leaking
+	ptys.  expect eof from the correct spawn_ids when killing kdc and
+	kadmind to avoid leaking ptys.
+
 2002-10-07  Tom Yu  <tlyu@mit.edu>
 
 	* default.exp (stop_kerberos_daemons): Kill, expect eof, wait, in
diff --git a/src/tests/dejagnu/config/default.exp b/src/tests/dejagnu/config/default.exp
index 843c8909c..4eb76ca4a 100644
--- a/src/tests/dejagnu/config/default.exp
+++ b/src/tests/dejagnu/config/default.exp
@@ -34,6 +34,26 @@ set kdc_supported_enctypes "des-cbc-crc:normal"
 # request a des-cbc-md4 session key.  Since only des-cbc-crc is in the
 # KDC's permitted_enctypes list, the TGT will be unusable.
 
+# KLUDGE for tracking down leaking ptys
+if 0 {
+    rename spawn oldspawn
+    rename wait oldwait
+    proc spawn { args } {
+	upvar 1 spawn_id spawn_id
+	verbose "spawn: args=$args"
+	set pid [eval oldspawn $args]
+	verbose "spawn: pid=$pid spawn_id=$spawn_id"
+	return $pid
+    }
+    proc wait { args } {
+	upvar 1 spawn_id spawn_id
+	verbose "wait: args=$args"
+	set ret [eval oldwait $args]
+	verbose "wait: $ret"
+	return $ret
+    }
+}
+
 # The des.des3-tgt.no-kdc-des3 pass will fail if the KDC doesn't
 # constrain ticket key enctypes to those in permitted_enctypes.  It
 # does this by not putting des3 in the permitted_enctypes, while
@@ -1501,8 +1521,12 @@ proc stop_kerberos_daemons { } {
     verbose "entered stop_kerberos_daemons"
 
     if [info exists kdc_pid] {
-	catch "exec kill $kdc_pid"
-	catch "expect eof"
+	if [catch "exec kill $kdc_pid" msg] {
+	    verbose "kill kdc: $msg"
+	}
+	if [catch "expect -i $kdc_spawn_id eof" msg] {
+	    verbose "expect kdc eof: $msg"
+	}
 	set kdc_list [wait -i $kdc_spawn_id]
 	verbose "wait -i $kdc_spawn_id returned $kdc_list (kdc)"
 	unset kdc_pid
@@ -1510,8 +1534,12 @@ proc stop_kerberos_daemons { } {
     }
 
     if [info exists kadmind_pid] {
-	catch "exec kill $kadmind_pid"
-	catch "expect eof"
+	if [catch "exec kill $kadmind_pid" msg] {
+	    verbose "kill kadmind: $msg"
+	}
+	if [catch "expect -i $kadmind_spawn_id eof" msg] {
+	    verbose "expect kadmind eof: $msg"
+	}
 	set kadmind_list [wait -i $kadmind_spawn_id]
 	verbose "wait -i $kadmind_spawn_id returned $kadmind_list (kadmind5)"
 	unset kadmind_pid
-- 
2.26.2