Commit cb905327 authored by Simon Marlow's avatar Simon Marlow
Browse files

Another shutdown fix

If we encounter a runnable thread during shutdown, just kill it.  All
the threads are supposed to be dead at this stage, but this catches
threads that might have just returned from a foreign call, or were
finalizers created by the GC.

Fixes memo002(threaded1)
parent a45cf06a
......@@ -460,6 +460,15 @@ schedule (Capability *initialCapability, Task *task)
// If we're shutting down, and this thread has not yet been
// killed, kill it now. This sometimes happens when a finalizer
// thread is created by the final GC, or a thread previously
// in a foreign call returns.
if (sched_state >= SCHED_INTERRUPTING &&
!(t->what_next == ThreadComplete || t->what_next == ThreadKilled)) {
/* context switches are initiated by the timer signal, unless
* the user specified "context switch as often as possible", with
* +RTS -C0
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