Re: [Issue 4307] New: spawn()'ed thread doesn't terminate
Never mind, I'll fix it. This will require adding an atexit() sort of routine to druntime, which I believe was requested in another ticket anyway.
Re: [Issue 4307] New: spawn()'ed thread doesn't terminate
The main thread is somewhat special in D--it doesn't actually terminate until all other threads have terminated. And because the OwnerTerminated message is sent in a static dtor, the ordering is wrong for having spawned threads receive this message. I'll leave it up to Andrei to decide whether this is correct behavior or if the OwnerTerminated message should be sent when D main() exits (I'm leaning towards this latter behavior myself). If a change is necessary I'll have to add a stack for onMainExit callbacks to be executed in druntime.
[Issue 4307] New: spawn()'ed thread doesn't terminate
http://d.puremagic.com/issues/show_bug.cgi?id=4307
Summary: spawn()'ed thread doesn't terminate
Product: D
Version: D2
Platform: x86
OS/Version: Windows
Status: NEW
Severity: normal
Priority: P2
Component: DMD
AssignedTo: nob...@puremagic.com
ReportedBy: to...@yahoo.com
--- Comment #0 from to...@yahoo.com 2010-06-13 18:50:11 PDT ---
Using DMD 2.047.
This example hangs after printing '9'. From reading Andrei's book, my
understanding is that the spawned thread should terminate automatically when
its owner thread terminates. But that doesn't happen here.
---
import std.concurrency;
import std.stdio;
void f()
{
for (;;)
{
int i = receiveOnly!int();
writeln(i);
}
}
void main()
{
Tid tid = spawn(f);
foreach (int i; 0..10)
{
send(tid, i);
}
}
---
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