SERVER-24479 Make 'Notification' class be able to return a value

1 files changed, 0 insertions, 55 deletions

diff --git a/src/mongo/dbtests/threadedtests.cpp b/src/mongo/dbtests/threadedtests.cpp
index 5ab410361eb..d2f8c4a7ea4 100644
--- a/src/mongo/dbtests/threadedtests.cpp
+++ b/src/mongo/dbtests/threadedtests.cpp
@@ -49,7 +49,6 @@
 #include "mongo/util/concurrency/old_thread_pool.h"
 #include "mongo/util/concurrency/old_thread_pool.h"
 #include "mongo/util/concurrency/rwlock.h"
-#include "mongo/util/concurrency/synchronization.h"
 #include "mongo/util/concurrency/ticketholder.h"
 #include "mongo/util/log.h"
 #include "mongo/util/timer.h"
@@ -610,59 +609,6 @@ private:
     }
 };
 
-class CondSlack : public ThreadedTest<17> {
-    Notification n;
-
-public:
-    CondSlack() {
-        k = 0;
-        done = false;
-        a = b = 0;
-        locks = 0;
-    }
-
-private:
-    unsigned a, b;
-    virtual void validate() {
-        cout << "CondSlack useful work fraction: " << ((double)a) / b << " locks:" << locks << endl;
-    }
-    unsigned locks;
-    volatile int k;
-    void watch() {
-        while (1) {
-            b++;
-            if (k) {
-                a++;
-            }
-            sleepmillis(0);
-            if (done)
-                break;
-        }
-    }
-    volatile bool done;
-    virtual void subthread(int x) {
-        if (x == 1) {
-            n.notifyOne();
-            watch();
-            return;
-        }
-        Timer t;
-        while (1) {
-            n.waitToBeNotified();
-            verify(k == 0);
-            k = 1;
-            // not very long, we'd like to simulate about 100K locks per second
-            sleepalittle();
-            k = 0;
-            locks++;
-            n.notifyOne();
-            if (done || t.millis() > 1500)
-                break;
-        }
-        done = true;
-    }
-};
-
 const int WriteLocksAreGreedy_ThreadCount = 3;
 class WriteLocksAreGreedy : public ThreadedTest<WriteLocksAreGreedy_ThreadCount> {
 public:
@@ -778,7 +724,6 @@ public:
         // would have very little slack.
         add<Slack<SimpleMutex, stdx::lock_guard<SimpleMutex>>>();
         add<Slack<SimpleRWLock, SimpleRWLock::Exclusive>>();
-        add<CondSlack>();
 
         add<UpgradableTest>();