public static void run()
{
L2List list = (L2List)db.Root;
for (int i = 0; i < nIterations; i++)
{
long sum = 0, n = 0;
list.SharedLock();
L2Elem head = list.head;
L2Elem elem = head;
do
{
elem.Load();
sum += elem.count;
n += 1;
} while ((elem = elem.next) != head);
Tests.Assert(n == nElements && sum == (long)nElements * (nElements - 1) / 2);
list.Unlock();
list.ExclusiveLock();
L2Elem last = list.head.prev;
last.unlink();
last.linkAfter(list.head);
list.Unlock();
}
}
public static void Main(string[] args)
{
Storage db = StorageFactory.Instance.CreateStorage();
db.Open("testconcur.dbs");
L2List list = (L2List) db.GetRoot();
if (list == null)
{
list = new L2List();
list.head = new L2Elem();
list.head.next = list.head.prev = list.head;
db.SetRoot(list);
for (int i = 1; i < nElements; i++)
{
L2Elem elem = new L2Elem();
elem.count = i;
elem.linkAfter(list.head);
}
}
TestConcur[] threads = new TestConcur[nThreads];
for (int i = 0; i < nThreads; i++)
{
threads[i] = new TestConcur(db);
threads[i].Start();
}
for (int i = 0; i < nThreads; i++)
{
threads[i].Join();
}
db.Close();
}
public static void Main(String[] args)
{
db = StorageFactory.Instance.CreateStorage();
db.Open("testconcur.dbs");
L2List list = (L2List)db.Root;
if (list == null)
{
list = new L2List();
list.head = new L2Elem();
list.head.next = list.head.prev = list.head;
db.Root = list;
for (int i = 1; i < nElements; i++)
{
L2Elem elem = new L2Elem();
elem.count = i;
elem.linkAfter(list.head);
}
}
Thread[] threads = new Thread[nThreads];
for (int i = 0; i < nThreads; i++)
{
threads[i] = new Thread(new ThreadStart(run));
threads[i].Start();
}
#if !COMPACT_NET_FRAMEWORK
for (int i = 0; i < nThreads; i++)
{
threads[i].Join();
}
db.Close();
#endif
}
public static void run()
{
L2List list = (L2List)db.Root;
for (int i = 0; i < nIterations; i++)
{
long sum = 0, n = 0;
list.SharedLock();
L2Elem head = list.head;
L2Elem elem = head;
do
{
elem.Load();
sum += elem.count;
n += 1;
} while ((elem = elem.next) != head);
Debug.Assert(n == nElements && sum == (long)nElements * (nElements - 1) / 2);
list.Unlock();
list.ExclusiveLock();
L2Elem last = list.head.prev;
last.unlink();
last.linkAfter(list.head);
list.Unlock();
}
#if COMPACT_NET_FRAMEWORK
lock (typeof(TestConcur))
{
if (++nFinishedThreads == nThreads)
{
db.Close();
}
}
#endif
}
internal void linkAfter(L2Elem elem) {
elem.next.prev = this;
next = elem.next;
elem.next = this;
prev = elem;
Store();
next.Store();
prev.Store();
}
static void RotateList(L2List list)
{
using (ExclusiveLock xl = new ExclusiveLock(list))
{
L2Elem last = list.head.prev;
last.unlink();
last.linkAfter(list.head);
}
}
internal void linkAfter(L2Elem elem)
{
elem.next.prev = this;
next = elem.next;
elem.next = this;
prev = elem;
Store();
next.Store();
prev.Store();
}
static void TraverseList(L2List list)
{
using (SharedLock sl = new SharedLock(list))
{
L2Elem head = list.head;
L2Elem elem = head;
long sum = 0, n = 0;
do
{
elem.Load();
sum += elem.count;
n += 1;
} while ((elem = elem.next) != head);
Debug.Assert(n == nElements && sum == (long)nElements * (nElements - 1) / 2);
}
}
public void Run(TestConfig config)
{
int count = config.Count;
var res = new TestConcurResult();
config.Result = res;
TestConcur.nElements = count;
var start = DateTime.Now;
db = config.GetDatabase();
L2List list = (L2List)db.Root;
Tests.Assert(list == null);
list = new L2List();
list.head = new L2Elem();
list.head.next = list.head.prev = list.head;
db.Root = list;
for (int i = 1; i < nElements; i++)
{
L2Elem elem = new L2Elem();
elem.count = i;
elem.linkAfter(list.head);
}
res.InsertTime = DateTime.Now - start;
start = DateTime.Now;
Thread[] threads = new Thread[nThreads];
for (int i = 0; i < nThreads; i++)
{
threads[i] = new Thread(new ThreadStart(run));
threads[i].Start();
}
#if !CF
for (int i = 0; i < nThreads; i++)
{
threads[i].Join();
}
#endif
db.Close();
res.AccessTime = DateTime.Now - start;
}
public void Run(TestConfig config)
{
int count = config.Count;
var res = new TestConcurResult();
config.Result = res;
TestConcur.nElements = count;
var start = DateTime.Now;
db = config.GetDatabase();
L2List list = (L2List)db.Root;
Tests.Assert(list == null);
list = new L2List();
list.head = new L2Elem();
list.head.next = list.head.prev = list.head;
db.Root = list;
for (int i = 1; i < nElements; i++)
{
L2Elem elem = new L2Elem();
elem.count = i;
elem.linkAfter(list.head);
}
res.InsertTime = DateTime.Now - start;
start = DateTime.Now;
Thread[] threads = new Thread[nThreads];
for (int i = 0; i < nThreads; i++)
{
threads[i] = new Thread(new ThreadStart(run));
threads[i].Start();
}
for (int i = 0; i < nThreads; i++)
{
threads[i].Join();
}
db.Close();
res.AccessTime = DateTime.Now - start;
}
public static void Main(String[] args) {
db = StorageFactory.Instance.CreateStorage();
if (args.Length > 0)
{
db.SetProperty("perst.object.cache.kind", args[0]);
}
db.Open("testconcur.dbs");
L2List list = (L2List)db.Root;
if (list == null) {
list = new L2List();
list.head = new L2Elem();
list.head.next = list.head.prev = list.head;
db.Root = list;
for (int i = 1; i < nElements; i++) {
L2Elem elem = new L2Elem();
elem.count = i;
elem.linkAfter(list.head);
}
}
Thread[] threads = new Thread[nThreads];
for (int i = 0; i < nThreads; i++) {
threads[i] = new Thread(new ThreadStart(Run));
threads[i].Start();
}
#if !COMPACT_NET_FRAMEWORK
for (int i = 0; i < nThreads; i++)
{
threads[i].Join();
}
db.Close();
#endif
}
