107 lines
3.6 KiB
C++
107 lines
3.6 KiB
C++
/*************************************************************************/
|
|
/* thread_local.cpp */
|
|
/*************************************************************************/
|
|
/* This file is part of: */
|
|
/* GODOT ENGINE */
|
|
/* https://godotengine.org */
|
|
/*************************************************************************/
|
|
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
|
|
/* Copyright (c) 2014-2022 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
|
|
#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;
|
|
}
|