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-rw-r--r--modules/mono/utils/macros.h59
-rw-r--r--modules/mono/utils/thread_local.cpp99
-rw-r--r--modules/mono/utils/thread_local.h171
3 files changed, 329 insertions, 0 deletions
diff --git a/modules/mono/utils/macros.h b/modules/mono/utils/macros.h
new file mode 100644
index 0000000000..337a86870e
--- /dev/null
+++ b/modules/mono/utils/macros.h
@@ -0,0 +1,59 @@
+/*************************************************************************/
+/* util_macros.h */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
+/* */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the */
+/* "Software"), to deal in the Software without restriction, including */
+/* without limitation the rights to use, copy, modify, merge, publish, */
+/* distribute, sublicense, and/or sell copies of the Software, and to */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions: */
+/* */
+/* The above copyright notice and this permission notice shall be */
+/* included in all copies or substantial portions of the Software. */
+/* */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+/*************************************************************************/
+
+#ifndef UTIL_MACROS_H
+#define UTIL_MACROS_H
+
+// noreturn
+
+#undef _NO_RETURN_
+
+#ifdef __GNUC__
+#define _NO_RETURN_ __attribute__((noreturn))
+#elif _MSC_VER
+#define _NO_RETURN_ __declspec(noreturn)
+#else
+#error Platform or compiler not supported
+#endif
+
+// unreachable
+
+#if defined(_MSC_VER)
+#define _UNREACHABLE_() __assume(0)
+#elif defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__) >= 405
+#define _UNREACHABLE_() __builtin_unreachable()
+#else
+#define _UNREACHABLE_() \
+ CRASH_NOW(); \
+ do { \
+ } while (true);
+#endif
+
+#endif // UTIL_MACROS_H
diff --git a/modules/mono/utils/thread_local.cpp b/modules/mono/utils/thread_local.cpp
new file mode 100644
index 0000000000..6f8b0f90bc
--- /dev/null
+++ b/modules/mono/utils/thread_local.cpp
@@ -0,0 +1,99 @@
+/*************************************************************************/
+/* thread_local.cpp */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
+/* */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the */
+/* "Software"), to deal in the Software without restriction, including */
+/* without limitation the rights to use, copy, modify, merge, publish, */
+/* distribute, sublicense, and/or sell copies of the Software, and to */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions: */
+/* */
+/* The above copyright notice and this permission notice shall be */
+/* included in all copies or substantial portions of the Software. */
+/* */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+/*************************************************************************/
+
+#include "thread_local.h"
+
+#ifdef WINDOWS_ENABLED
+#include <windows.h>
+#else
+#include <pthread.h>
+#endif
+
+#include "core/os/memory.h"
+#include "core/print_string.h"
+
+struct ThreadLocalStorage::Impl {
+
+#ifdef WINDOWS_ENABLED
+ DWORD dwFlsIndex;
+#else
+ pthread_key_t key;
+#endif
+
+ void *get_value() const {
+#ifdef WINDOWS_ENABLED
+ return FlsGetValue(dwFlsIndex);
+#else
+ return pthread_getspecific(key);
+#endif
+ }
+
+ void set_value(void *p_value) const {
+#ifdef WINDOWS_ENABLED
+ FlsSetValue(dwFlsIndex, p_value);
+#else
+ pthread_setspecific(key, p_value);
+#endif
+ }
+
+ Impl(void (*p_destr_callback_func)(void *)) {
+#ifdef WINDOWS_ENABLED
+ dwFlsIndex = FlsAlloc(p_destr_callback_func);
+ ERR_FAIL_COND(dwFlsIndex == FLS_OUT_OF_INDEXES);
+#else
+ pthread_key_create(&key, p_destr_callback_func);
+#endif
+ }
+
+ ~Impl() {
+#ifdef WINDOWS_ENABLED
+ FlsFree(dwFlsIndex);
+#else
+ pthread_key_delete(key);
+#endif
+ }
+};
+
+void *ThreadLocalStorage::get_value() const {
+ return pimpl->get_value();
+}
+
+void ThreadLocalStorage::set_value(void *p_value) const {
+ pimpl->set_value(p_value);
+}
+
+void ThreadLocalStorage::alloc(void (*p_destr_callback)(void *)) {
+ pimpl = memnew(ThreadLocalStorage::Impl(p_destr_callback));
+}
+
+void ThreadLocalStorage::free() {
+ memdelete(pimpl);
+ pimpl = NULL;
+}
diff --git a/modules/mono/utils/thread_local.h b/modules/mono/utils/thread_local.h
new file mode 100644
index 0000000000..7ff10b4efc
--- /dev/null
+++ b/modules/mono/utils/thread_local.h
@@ -0,0 +1,171 @@
+/*************************************************************************/
+/* thread_local.h */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
+/* */
+/* Permission is hereby granted, free of charge, to any person obtaining */
+/* a copy of this software and associated documentation files (the */
+/* "Software"), to deal in the Software without restriction, including */
+/* without limitation the rights to use, copy, modify, merge, publish, */
+/* distribute, sublicense, and/or sell copies of the Software, and to */
+/* permit persons to whom the Software is furnished to do so, subject to */
+/* the following conditions: */
+/* */
+/* The above copyright notice and this permission notice shall be */
+/* included in all copies or substantial portions of the Software. */
+/* */
+/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
+/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
+/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
+/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
+/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
+/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
+/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+/*************************************************************************/
+
+#ifndef THREAD_LOCAL_H
+#define THREAD_LOCAL_H
+
+#ifdef HAVE_CXX11_THREAD_LOCAL
+#define _THREAD_LOCAL_(m_t) thread_local m_t
+#else
+
+#if !defined(__GNUC__) && !defined(_MSC_VER)
+#error Platform or compiler not supported
+#endif
+
+#ifdef __GNUC__
+
+#ifdef HAVE_GCC___THREAD
+#define _THREAD_LOCAL_(m_t) __thread m_t
+#else
+#define USE_CUSTOM_THREAD_LOCAL
+#endif
+
+#elif _MSC_VER
+
+#ifdef HAVE_DECLSPEC_THREAD
+#define _THREAD_LOCAL_(m_t) __declspec(thread) m_t
+#else
+#define USE_CUSTOM_THREAD_LOCAL
+#endif
+
+#endif // __GNUC__ _MSC_VER
+
+#endif // HAVE_CXX11_THREAD_LOCAL
+
+#ifdef USE_CUSTOM_THREAD_LOCAL
+#define _THREAD_LOCAL_(m_t) ThreadLocal<m_t>
+#endif
+
+#include "core/typedefs.h"
+
+struct ThreadLocalStorage {
+
+ void *get_value() const;
+ void set_value(void *p_value) const;
+
+ void alloc(void (*p_dest_callback)(void *));
+ void free();
+
+private:
+ struct Impl;
+ Impl *pimpl;
+};
+
+template <typename T>
+class ThreadLocal {
+
+ ThreadLocalStorage storage;
+
+ T init_val;
+
+#ifdef WINDOWS_ENABLED
+#define _CALLBACK_FUNC_ __stdcall
+#else
+#define _CALLBACK_FUNC_
+#endif
+
+ static void _CALLBACK_FUNC_ destr_callback(void *tls_data) {
+ memdelete(static_cast<T *>(tls_data));
+ }
+
+#undef _CALLBACK_FUNC_
+
+ T *_tls_get_value() const {
+ void *tls_data = storage.get_value();
+
+ if (tls_data)
+ return static_cast<T *>(tls_data);
+
+ T *data = memnew(T(init_val));
+
+ storage.set_value(data);
+
+ return data;
+ }
+
+public:
+ ThreadLocal() :
+ ThreadLocal(T()) {}
+
+ ThreadLocal(const T &p_init_val) :
+ init_val(p_init_val) {
+ storage.alloc(&destr_callback);
+ }
+
+ ThreadLocal(const ThreadLocal &other) :
+ ThreadLocal(*other._tls_get_value()) {}
+
+ ~ThreadLocal() {
+ storage.free();
+ }
+
+ _FORCE_INLINE_ T *operator&() const {
+ return _tls_get_value();
+ }
+
+ _FORCE_INLINE_ operator T &() const {
+ return *_tls_get_value();
+ }
+
+ _FORCE_INLINE_ ThreadLocal &operator=(const T &val) {
+ T *ptr = _tls_get_value();
+ *ptr = val;
+ return *this;
+ }
+};
+
+struct FlagScopeGuard {
+
+ FlagScopeGuard(bool &p_flag) :
+ flag(p_flag) {
+ flag = !flag;
+ }
+
+ ~FlagScopeGuard() {
+ flag = !flag;
+ }
+
+private:
+ bool &flag;
+};
+
+#define _TLS_RECURSION_GUARD_V_(m_ret) \
+ static _THREAD_LOCAL_(bool) _recursion_flag_ = false; \
+ if (_recursion_flag_) \
+ return m_ret; \
+ FlagScopeGuard _recursion_guard_(_recursion_flag_);
+
+#define _TLS_RECURSION_GUARD_ \
+ static _THREAD_LOCAL_(bool) _recursion_flag_ = false; \
+ if (_recursion_flag_) \
+ return; \
+ FlagScopeGuard _recursion_guard_(_recursion_flag_);
+
+#endif // THREAD_LOCAL_H
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