Free everything at shutdown

when the RUBY_FREE_ON_SHUTDOWN environment variable is set, manually free memory at shutdown.

Co-authored-by: Nobuyoshi Nakada <nobu@ruby-lang.org>
Co-authored-by: Peter Zhu <peter@peterzhu.ca>

1 files changed, 10 insertions, 0 deletions

diff --git a/symbol.c b/symbol.c
index 6a0c926db8..2c2ab4380c 100644
--- a/symbol.c
+++ b/symbol.c
@@ -531,6 +531,16 @@ register_sym(rb_symbols_t *symbols, VALUE str, VALUE sym)
     }
 }
 
+void
+rb_free_static_symid_str(void)
+{
+    GLOBAL_SYMBOLS_ENTER(symbols)
+    {
+        st_free_table(symbols->str_sym);
+    }
+    GLOBAL_SYMBOLS_LEAVE();
+}
+
 static void
 unregister_sym(rb_symbols_t *symbols, VALUE str, VALUE sym)
 {