From 64ab9f6bf70dfbb9169e73cd58387af08eb23c95 Mon Sep 17 00:00:00 2001
From: Michael Ploujnikov <ploujj@gmail.com>
Date: Sun, 31 Jan 2010 13:33:47 -0500
Subject: [PATCH] wrap prime test in usleep() to make the thread likely to be
 re-scheduled

---
 tests/backend/test-threadpool.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tests/backend/test-threadpool.c b/tests/backend/test-threadpool.c
index 9a4033c4d..9541f7c43 100644
--- a/tests/backend/test-threadpool.c
+++ b/tests/backend/test-threadpool.c
@@ -32,7 +32,7 @@ void is_prime(void * arg)
 {
   unsigned long long number = *(unsigned long long *)arg;
   unsigned long long prime = 1;
-
+  usleep(1);
   for (unsigned long long x = number-1; x >= sqrt(number); --x)
     {
       if ((number % x) == 0)
@@ -42,6 +42,7 @@ void is_prime(void * arg)
 	}
     }
   *(unsigned long long *)arg = prime;
+  usleep(1);
 }
 
 void sleep_fn(void * arg)