/* Never decreases, except due to wrapping. */
GC_API size_t GC_get_total_bytes GC_PROTO((void));
+/* Return the signal used by the gc to suspend threads on posix platforms. */
+/* Return -1 otherwise. */
+int GC_get_suspend_signal GC_PROTO((void));
+
/* Disable garbage collection. Even GC_gcollect calls will be */
/* ineffective. */
GC_API void GC_disable GC_PROTO((void));