edits

[cdsspec-compiler.git] / output / include / unrelacy.h

diff --git a/output/include/unrelacy.h b/output/include/unrelacy.h
new file mode 100644 (file)
index 0000000..729d76f
--- /dev/null
+++ b/output/include/unrelacy.h
@@ -0,0 +1,96 @@
+#ifndef __UNRELACY_H__
+#define __UNRELACY_H__
+
+#include <stdatomic.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <mutex>
+#include <condition_variable>
+
+#include <model-assert.h>
+#include <librace.h>
+
+#define $
+
+#define ASSERT(expr) MODEL_ASSERT(expr)
+#define RL_ASSERT(expr) MODEL_ASSERT(expr)
+
+#define RL_NEW new
+#define RL_DELETE(expr) delete expr
+
+#define mo_seqcst memory_order_relaxed
+#define mo_release memory_order_release
+#define mo_acquire memory_order_acquire
+#define mo_acq_rel memory_order_acq_rel
+#define mo_relaxed memory_order_relaxed
+
+namespace rl {
+
+       /* This 'useless' struct is declared just so we can use partial template
+        * specialization in our store and load functions. */
+       template <typename T, size_t n>
+       struct useless {
+               static void store(void *addr, T val);
+               static T load(const void *addr);
+       };
+
+       template <typename T>
+       struct useless<T, 1> {
+               static void store(void *addr, T val) { store_8(addr, (uint8_t)val); }
+               static T load(const void *addr) { return (T)load_8(addr); }
+       };
+
+       template <typename T>
+       struct useless<T, 2> {
+               static void store(void *addr, T val) { store_16(addr, (uint16_t)val); }
+               static T load(const void *addr) { return (T)load_16(addr); }
+       };
+
+       template <typename T>
+       struct useless<T, 4> {
+               static void store(void *addr, T val) { store_32(addr, (uint32_t)val); }
+               static T load(const void *addr) { return (T)load_32(addr); }
+       };
+
+       template <typename T>
+       struct useless<T, 8> {
+               static void store(void *addr, T val) { store_64(addr, (uint64_t)val); }
+               static T load(const void *addr) { return (T)load_64(addr); }
+       };
+
+       template <typename T>
+       struct var {
+               var() { useless<T, sizeof(T)>::store(&value, 0); }
+               var(T v) { useless<T, sizeof(T)>::store(&value, v); }
+               var(var const& r) {
+                       value = r.value;
+               }
+               ~var() { }
+
+               void operator = (T v) { useless<T, sizeof(T)>::store(&value, v); }
+               T operator () () { return useless<T, sizeof(T)>::load(&value); }
+               void operator += (T v) {
+                       useless<T, sizeof(T)>::store(&value,
+                                       useless<T, sizeof(T)>::load(&value) + v);
+               }
+               bool operator == (const struct var<T> v) const { return useless<T, sizeof(T)>::load(&value) == useless<T, sizeof(T)>::load(&v.value); }
+
+               T value;
+       };
+
+       class backoff_t
+       {
+        public:
+               typedef int debug_info_param;
+               void yield(debug_info_param info) { }
+               void yield() { }
+       };
+
+
+       typedef backoff_t backoff;
+       typedef backoff_t linear_backoff;
+       typedef backoff_t exp_backoff;
+
+}
+
+#endif /* __UNRELACY_H__ */