public mark(@string name = default, runtime.MemStats startM = default, runtime.MemStats endM = default, runtime.MemStats gcM = default, time.Time startT = default, time.Time endT = default)
{
this.name = name;
this.startM = startM;
this.endM = endM;
this.gcM = gcM;
this.startT = startT;
this.endT = endT;
}
public static void LockOSThreadTemplateThreadRace()
{
// This test attempts to reproduce the race described in
// golang.org/issue/38931. To do so, we must have a stop-the-world
// (achieved via ReadMemStats) racing with two LockOSThread calls.
//
// While this test attempts to line up the timing, it is only expected
// to fail (and thus hang) around 2% of the time if the race is
// present.
// Ensure enough Ps to actually run everything in parallel. Though on
// <4 core machines, we are still at the whim of the kernel scheduler.
runtime.GOMAXPROCS(4L);
go_(() => () =>
{
// Stop the world; race with LockOSThread below.
ref runtime.MemStats m = ref heap(out ptr <runtime.MemStats> _addr_m);
while (true)
{
runtime.ReadMemStats(_addr_m);
}
} ());
