cc3200: Add basic threading capabilities.

Can create a new thread and run it.  Does not use the GIL at this point.

1 files changed, 6 insertions, 0 deletions

diff --git a/cc3200/util/gccollect.c b/cc3200/util/gccollect.c
index 094ca73bc..bc9cba4b8 100644
--- a/cc3200/util/gccollect.c
+++ b/cc3200/util/gccollect.c
@@ -30,6 +30,7 @@
 
 #include "py/mpconfig.h"
 #include "py/gc.h"
+#include "py/mpthread.h"
 #include "gccollect.h"
 #include "gchelper.h"
 
@@ -57,6 +58,11 @@ void gc_collect(void) {
     // trace the stack, including the registers (since they live on the stack in this function)
     gc_collect_root((void**)sp, (stackend - sp) / sizeof(uint32_t));
 
+    // trace root pointers from any threads
+    #if MICROPY_PY_THREAD
+    mp_thread_gc_others();
+    #endif
+
     // end the GC
     gc_collect_end();
 }