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-rw-r--r--internal.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/internal.h b/internal.h
index a6c633ba3f..172e7f45ad 100644
--- a/internal.h
+++ b/internal.h
@@ -200,9 +200,14 @@ void Init_prelude(void);
#endif
const char *rb_objspace_data_type_name(VALUE obj);
-/* experimental. these APIs can be changed. */
+/* Temporary. This API will be removed (renamed). */
VALUE rb_thread_io_blocking_region(rb_blocking_function_t *func, void *data1, int fd);
+/* experimental.
+ * These APIs can be changed on Ruby 1.9.4 or later.
+ * We will change these APIs (spac, name and so on) if there are something wrong.
+ * If you use these APIs, catch up future changes.
+ */
void *rb_thread_call_with_gvl(void *(*func)(void *), void *data1);
VALUE rb_thread_call_without_gvl(
rb_blocking_function_t *func, void *data1,