From cf838bfb5faed96fb41b8ae30d591fc7b7853d38 Mon Sep 17 00:00:00 2001
From: Eric Wong <normalperson@yhbt.net>
Date: Sun, 12 Apr 2009 22:43:10 -0700
Subject: test_exec: fix potential races in fd leak test

We need to ensure children are spawned by waiting
until the master is ready.
---
 test/exec/test_exec.rb | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/test/exec/test_exec.rb b/test/exec/test_exec.rb
index ec00fac..67a189c 100644
--- a/test/exec/test_exec.rb
+++ b/test/exec/test_exec.rb
@@ -587,6 +587,7 @@ end
     end
 
     wait_master_ready(log.path)
+    File.truncate(log.path, 0)
     wait_for_file(pid_file)
     orig_pid = pid = File.read(pid_file).to_i
     orig_fds = `ls -l /proc/#{pid}/fd`.split(/\n/)
@@ -600,6 +601,8 @@ end
     end
     wait_for_death(pid)
 
+    wait_master_ready(log.path)
+    File.truncate(log.path, 0)
     wait_for_file(pid_file)
     pid = File.read(pid_file).to_i
     assert_not_equal orig_pid, pid
@@ -607,7 +610,7 @@ end
     assert $?.success?
 
     # we could've inherited descriptors the first time around
-    assert expect_size >= curr_fds.size
+    assert expect_size >= curr_fds.size, curr_fds.inspect
     expect_size = curr_fds.size
 
     assert_nothing_raised do
@@ -617,11 +620,13 @@ end
     end
     wait_for_death(pid)
 
+    wait_master_ready(log.path)
+    File.truncate(log.path, 0)
     wait_for_file(pid_file)
     pid = File.read(pid_file).to_i
     curr_fds = `ls -l /proc/#{pid}/fd`.split(/\n/)
     assert $?.success?
-    assert_equal expect_size, curr_fds.size
+    assert_equal expect_size, curr_fds.size, curr_fds.inspect
 
     Process.kill(:QUIT, pid)
     wait_for_death(pid)
-- 
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