From fca16811b01b581abd2a12df879558cdf32663e4 Mon Sep 17 00:00:00 2001
From: Brian Norris <banorris@uci.edu>
Date: Thu, 1 Nov 2012 12:19:58 -0700
Subject: [PATCH 1/1] mpmc-queue: improve driver, to read all items from queue

threadB() will now read all currently available items from the queue.
---
 mpmc-queue/mpmc-queue.cc | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/mpmc-queue/mpmc-queue.cc b/mpmc-queue/mpmc-queue.cc
index 146f11e..17713cb 100644
--- a/mpmc-queue/mpmc-queue.cc
+++ b/mpmc-queue/mpmc-queue.cc
@@ -15,9 +15,11 @@ void threadA(struct mpmc_boundq_1_alt<int32_t, sizeof(int32_t)> *queue)
 
 void threadB(struct mpmc_boundq_1_alt<int32_t, sizeof(int32_t)> *queue)
 {
-	int32_t *bin = queue->read_fetch();
-	printf("Read: %d\n", load_32(bin));
-	queue->read_consume();
+	int32_t *bin;
+	while (bin = queue->read_fetch()) {
+		printf("Read: %d\n", load_32(bin));
+		queue->read_consume();
+	}
 }
 
 int user_main(int argc, char **argv)
-- 
2.34.1