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/*************************************************************************/
/*  thread_posix.cpp                                                     */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
/*                      https://godotengine.org                          */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur.                 */
/* Copyright (c) 2014-2021 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.                */
/*************************************************************************/

#if (defined(UNIX_ENABLED) || defined(PTHREAD_ENABLED)) && !defined(NO_THREADS)

#include "thread_posix.h"

#include "core/os/thread.h"
#include "core/string/ustring.h"

static Error set_name(const String &p_name) {
#ifdef PTHREAD_NO_RENAME
	return ERR_UNAVAILABLE;

#else

#ifdef PTHREAD_RENAME_SELF

	// check if thread is the same as caller
	int err = pthread_setname_np(p_name.utf8().get_data());

#else

	pthread_t running_thread = pthread_self();
#ifdef PTHREAD_BSD_SET_NAME
	pthread_set_name_np(running_thread, p_name.utf8().get_data());
	int err = 0; // Open/FreeBSD ignore errors in this function
#elif defined(PTHREAD_NETBSD_SET_NAME)
	int err = pthread_setname_np(running_thread, "%s", const_cast<char *>(p_name.utf8().get_data()));
#else
	int err = pthread_setname_np(running_thread, p_name.utf8().get_data());
#endif // PTHREAD_BSD_SET_NAME

#endif // PTHREAD_RENAME_SELF

	return err == 0 ? OK : ERR_INVALID_PARAMETER;

#endif // PTHREAD_NO_RENAME
}

void init_thread_posix() {
	Thread::_set_platform_funcs(&set_name, nullptr);
}

#endif