1 files changed, 91 insertions, 0 deletions
diff --git a/spec/ruby/optional/capi/ext/mutex_spec.c b/spec/ruby/optional/capi/ext/mutex_spec.c
new file mode 100644
index 0000000000..d5ce06e124
--- /dev/null
+++ b/spec/ruby/optional/capi/ext/mutex_spec.c
@@ -0,0 +1,91 @@
+#include "ruby.h"
+#include "rubyspec.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef HAVE_RB_MUTEX_NEW
+VALUE mutex_spec_rb_mutex_new(VALUE self) {
+  return rb_mutex_new();
+}
+#endif
+
+#ifdef HAVE_RB_MUTEX_LOCKED_P
+VALUE mutex_spec_rb_mutex_locked_p(VALUE self, VALUE mutex) {
+  return rb_mutex_locked_p(mutex);
+}
+#endif
+
+#ifdef HAVE_RB_MUTEX_TRYLOCK
+VALUE mutex_spec_rb_mutex_trylock(VALUE self, VALUE mutex) {
+  return rb_mutex_trylock(mutex);
+}
+#endif
+
+#ifdef HAVE_RB_MUTEX_LOCK
+VALUE mutex_spec_rb_mutex_lock(VALUE self, VALUE mutex) {
+  return rb_mutex_lock(mutex);
+}
+#endif
+
+#ifdef HAVE_RB_MUTEX_UNLOCK
+VALUE mutex_spec_rb_mutex_unlock(VALUE self, VALUE mutex) {
+  return rb_mutex_unlock(mutex);
+}
+#endif
+
+#ifdef HAVE_RB_MUTEX_SLEEP
+VALUE mutex_spec_rb_mutex_sleep(VALUE self, VALUE mutex, VALUE timeout) {
+  return rb_mutex_sleep(mutex, timeout);
+}
+#endif
+
+#ifdef HAVE_RB_MUTEX_SYNCHRONIZE
+
+VALUE mutex_spec_rb_mutex_callback(VALUE arg) {
+  return rb_funcall(arg, rb_intern("call"), 0);
+}
+
+VALUE mutex_spec_rb_mutex_synchronize(VALUE self, VALUE mutex, VALUE value) {
+  return rb_mutex_synchronize(mutex, mutex_spec_rb_mutex_callback, value);
+}
+#endif
+
+void Init_mutex_spec(void) {
+  VALUE cls;
+  cls = rb_define_class("CApiMutexSpecs", rb_cObject);
+
+#ifdef HAVE_RB_MUTEX_NEW
+  rb_define_method(cls, "rb_mutex_new", mutex_spec_rb_mutex_new, 0);
+#endif
+
+#ifdef HAVE_RB_MUTEX_LOCKED_P
+  rb_define_method(cls, "rb_mutex_locked_p", mutex_spec_rb_mutex_locked_p, 1);
+#endif
+
+#ifdef HAVE_RB_MUTEX_TRYLOCK
+  rb_define_method(cls, "rb_mutex_trylock", mutex_spec_rb_mutex_trylock, 1);
+#endif
+
+#ifdef HAVE_RB_MUTEX_LOCK
+  rb_define_method(cls, "rb_mutex_lock", mutex_spec_rb_mutex_lock, 1);
+#endif
+
+#ifdef HAVE_RB_MUTEX_UNLOCK
+  rb_define_method(cls, "rb_mutex_unlock", mutex_spec_rb_mutex_unlock, 1);
+#endif
+
+#ifdef HAVE_RB_MUTEX_SLEEP
+  rb_define_method(cls, "rb_mutex_sleep", mutex_spec_rb_mutex_sleep, 2);
+#endif
+
+#ifdef HAVE_RB_MUTEX_SYNCHRONIZE
+  rb_define_method(cls, "rb_mutex_synchronize", mutex_spec_rb_mutex_synchronize, 2);
+#endif
+}
+
+#ifdef __cplusplus
+}
+#endif
+