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-rw-r--r--coroutine/Stack.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/coroutine/Stack.h b/coroutine/Stack.h
new file mode 100644
index 0000000000..f0fc703622
--- /dev/null
+++ b/coroutine/Stack.h
@@ -0,0 +1,16 @@
+/*
+ * This file is part of the "Coroutine" project and released under the MIT License.
+ *
+ * Created by Samuel Williams on 10/11/2020.
+ * Copyright, 2020, by Samuel Williams.
+*/
+
+#include COROUTINE_H
+
+#ifdef COROUTINE_PRIVATE_STACK
+#define COROUTINE_STACK_LOCAL(type, name) type *name = ruby_xmalloc(sizeof(type))
+#define COROUTINE_STACK_FREE(name) ruby_xfree(name)
+#else
+#define COROUTINE_STACK_LOCAL(type, name) type name##_local; type * name = &name##_local
+#define COROUTINE_STACK_FREE(name)
+#endif