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-rw-r--r--include/gc.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/gc.h b/include/gc.h
index 4336e787..942436e1 100644
--- a/include/gc.h
+++ b/include/gc.h
@@ -1321,6 +1321,8 @@ GC_API void * GC_CALL GC_call_with_stack_base(GC_stack_base_func /* fn */,
/* Return non-zero (TRUE) if and only if the calling thread is */
/* registered with the garbage collector. */
+ /* If the thread is finished (e.g. running in a destructor and not */
+ /* registered manually again), it is considered as not registered. */
GC_API int GC_CALL GC_thread_is_registered(void);
/* Unregister the current thread. Only an explicitly registered */