From 1d99828acf48bc6d5a81aadc6123e5172dfc355d Mon Sep 17 00:00:00 2001
From: rpj <rpj>
Date: Mon, 9 Jul 2001 18:22:07 +0000
Subject: 	* barrier.c: Revamped to fix the race condition. Two
 alternating 	semaphores are used instead of the PulseEvent. Also improved 
 overall throughput by returning PTHREAD_BARRIER_SERIAL_THREAD 	to the first
 waking thread. 	* implement.h (pthread_barrier_t_): Revamped.

---
 implement.h | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'implement.h')

diff --git a/implement.h b/implement.h
index 5b30d1a..bc72b3f 100644
--- a/implement.h
+++ b/implement.h
@@ -187,10 +187,12 @@ struct pthread_spinlock_t_ {
 };
 
 struct pthread_barrier_t_ {
-  LONG nCurrentBarrierHeight;
-  LONG nInitialBarrierHeight;
+  unsigned int nCurrentBarrierHeight;
+  unsigned int nInitialBarrierHeight;
+  unsigned int nSerial;
+  int iStep;
   pthread_mutex_t mtxExclusiveAccess;
-  HANDLE eventBarrierBreeched;
+  sem_t semBarrierBreeched[2];
 };
 
 struct pthread_barrierattr_t_ {
-- 
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