From: Felix Yen <fwy@alumni.brown.edu>
Date: Wed, 24 Mar 2004 17:16:07 +0000 (+0000)
Subject: producer_consumer.cc: Use linear algorithm for producer.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=b4a76c01dbc8f3c3acff5ef3b44cc19249299a20;p=gcc.git

producer_consumer.cc: Use linear algorithm for producer.


2004-03-24  Felix Yen  <fwy@alumni.brown.edu>

	* testsuite/performance/20_util/allocator/producer_consumer.cc:
	Use linear algorithm for producer.

From-SVN: r79920
---

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 9a3980f6b35..73096ffc3de 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,8 @@
+2004-03-24  Felix Yen  <fwy@alumni.brown.edu>
+
+	* testsuite/performance/20_util/allocator/producer_consumer.cc:
+	Use linear algorithm for producer.
+	
 2004-03-24  Paolo Carlini  <pcarlini@suse.de>
 
 	* include/ext/mt_allocator.h (__mt_alloc<>::allocate,
diff --git a/libstdc++-v3/testsuite/performance/20_util/allocator/producer_consumer.cc b/libstdc++-v3/testsuite/performance/20_util/allocator/producer_consumer.cc
index 5295e7e1fad..4e13a5cc0b2 100644
--- a/libstdc++-v3/testsuite/performance/20_util/allocator/producer_consumer.cc
+++ b/libstdc++-v3/testsuite/performance/20_util/allocator/producer_consumer.cc
@@ -129,8 +129,9 @@ template<typename Container>
   Queue<Container>::push_back(const typename Container::value_type& value)
   {
     AutoLock auto_lock(lock);
+    const bool signal = queue.empty();
     queue.insert(queue.end(), value);
-    if (queue.size() == 1) pthread_cond_signal(&condition);
+    if (signal) pthread_cond_signal(&condition);
   }
 
 template<typename Container>