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/**************************************************************************/
/* thread_local.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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
#define WIN32_LEAN_AND_MEAN
#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
}
#ifdef WINDOWS_ENABLED
#define _CALLBACK_FUNC_ __stdcall
#else
#define _CALLBACK_FUNC_
#endif
Impl(void(_CALLBACK_FUNC_ *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(_CALLBACK_FUNC_ *p_destr_callback)(void *)) {
pimpl = memnew(ThreadLocalStorage::Impl(p_destr_callback));
}
#undef _CALLBACK_FUNC_
void ThreadLocalStorage::free() {
memdelete(pimpl);
pimpl = NULL;
}
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