107 lines
3.5 KiB
C++
107 lines
3.5 KiB
C++
/*************************************************************************/
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/* thread_local.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "thread_local.h"
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#ifdef WINDOWS_ENABLED
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#include <windows.h>
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#else
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#include <pthread.h>
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#endif
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#include "core/os/memory.h"
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#include "core/print_string.h"
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struct ThreadLocalStorage::Impl {
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#ifdef WINDOWS_ENABLED
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DWORD dwFlsIndex;
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#else
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pthread_key_t key;
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#endif
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void *get_value() const {
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#ifdef WINDOWS_ENABLED
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return FlsGetValue(dwFlsIndex);
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#else
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return pthread_getspecific(key);
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#endif
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}
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void set_value(void *p_value) const {
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#ifdef WINDOWS_ENABLED
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FlsSetValue(dwFlsIndex, p_value);
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#else
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pthread_setspecific(key, p_value);
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#endif
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}
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#ifdef WINDOWS_ENABLED
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#define _CALLBACK_FUNC_ __stdcall
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#else
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#define _CALLBACK_FUNC_
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#endif
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Impl(void(_CALLBACK_FUNC_ *p_destr_callback_func)(void *)) {
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#ifdef WINDOWS_ENABLED
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dwFlsIndex = FlsAlloc(p_destr_callback_func);
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ERR_FAIL_COND(dwFlsIndex == FLS_OUT_OF_INDEXES);
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#else
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pthread_key_create(&key, p_destr_callback_func);
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#endif
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}
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~Impl() {
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#ifdef WINDOWS_ENABLED
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FlsFree(dwFlsIndex);
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#else
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pthread_key_delete(key);
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#endif
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}
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};
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void *ThreadLocalStorage::get_value() const {
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return pimpl->get_value();
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}
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void ThreadLocalStorage::set_value(void *p_value) const {
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pimpl->set_value(p_value);
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}
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void ThreadLocalStorage::alloc(void(_CALLBACK_FUNC_ *p_destr_callback)(void *)) {
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pimpl = memnew(ThreadLocalStorage::Impl(p_destr_callback));
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}
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#undef _CALLBACK_FUNC_
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void ThreadLocalStorage::free() {
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memdelete(pimpl);
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pimpl = NULL;
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}
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