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Imported Upstream version 6.0.0.172

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Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2019-04-12 14:10:50 +00:00
parent 8016999e4d
commit 64ac736ec5
32155 changed files with 3981439 additions and 75368 deletions
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37
mcs/class/corlib/Test/System/GCTest.cs
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@ -29,47 +29,13 @@
using System;
using System.Threading;
using System.Threading.Tasks;
using MonoTests.Helpers;
using NUnit.Framework;
namespace MonoTests.System {
[TestFixture]
public class GCTest {
static class FinalizerHelpers {
private static IntPtr aptr;
private static unsafe void NoPinActionHelper (int depth, Action act)
{
// Avoid tail calls
int* values = stackalloc int [20];
aptr = new IntPtr (values);
if (depth <= 0) {
//
// When the action is called, this new thread might have not allocated
// anything yet in the nursery. This means that the address of the first
// object that would be allocated would be at the start of the tlab and
// implicitly the end of the previous tlab (address which can be in use
// when allocating on another thread, at checking if an object fits in
// this other tlab). We allocate a new dummy object to avoid this type
// of false pinning for most common cases.
//
new object ();
act ();
} else {
NoPinActionHelper (depth - 1, act);
}
}
public static void PerformNoPinAction (Action act)
{
Thread thr = new Thread (() => NoPinActionHelper (128, act));
thr.Start ();
thr.Join ();
}
}
class MyFinalizeObject
{
public volatile static int finalized;
@ -89,6 +55,7 @@ namespace MonoTests.System {
}
[Test]
[Category ("MultiThreaded")]
public void ReRegisterForFinalizeTest ()
{
FinalizerHelpers.PerformNoPinAction (delegate () {