* 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.

1 files changed, 5 insertions, 3 deletions

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_ {