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gc-altstack.cs
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gc-altstack.cs
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using System;
using System.Threading;
using System.Linq;
public class Tests
{
static bool finished = false;
static void fault () {
while (!finished) {
object o = null;
try {
o.ToString ();
} catch {
}
}
}
static void gc (int niter) {
int i = 0;
while (i < niter) {
i ++;
if (i % 100 == 0)
Console.Write (".");
GC.Collect ();
}
finished = true;
Console.WriteLine ();
}
static void test (bool main, int niter) {
finished = false;
if (main) {
var t = new Thread (delegate () {
gc (niter);
});
t.Start ();
fault ();
} else {
var t = new Thread (delegate () {
fault ();
});
t.Start ();
gc (niter);
}
}
public static void Main (String[] args) {
/* Test for running a GC while executing a SIGSEGV handler on an altstack */
int niter;
if (args.Length > 0)
niter = Int32.Parse (args [0]);
else
niter = 1000;
test (false, niter);
test (true, niter);
}
}