rt: Shutdown gracefully on failure

When the kernel fails, kill all tasks and wait for the schedulers to stop
instead of just exiting. I'm sure there are tons of lurking issues here but
this is enough to fail without leaking (at least in the absence of cleanups).

1 files changed, 2 insertions, 0 deletions

diff --git a/src/rt/rust_kernel.h b/src/rt/rust_kernel.h
index ff5b100445e..774f7f4d0a4 100644
--- a/src/rt/rust_kernel.h
+++ b/src/rt/rust_kernel.h
@@ -52,6 +52,8 @@ public:
     void *realloc(void *mem, size_t size);
     void free(void *mem);
 
+    void fail();
+
     int start_task_threads();
 
 #ifdef __WIN32__