/*************************************************************************/ /* thread_posix.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* http://www.godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2017 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_posix.h" #include "script_language.h" #if defined(UNIX_ENABLED) || defined(PTHREAD_ENABLED) #ifdef PTHREAD_BSD_SET_NAME #include <pthread_np.h> #endif #include "os/memory.h" Thread::ID ThreadPosix::get_ID() const { return id; } Thread *ThreadPosix::create_thread_posix() { return memnew(ThreadPosix); } void *ThreadPosix::thread_callback(void *userdata) { ThreadPosix *t = reinterpret_cast<ThreadPosix *>(userdata); t->id = (ID)pthread_self(); ScriptServer::thread_enter(); //scripts may need to attach a stack t->callback(t->user); ScriptServer::thread_exit(); return NULL; } Thread *ThreadPosix::create_func_posix(ThreadCreateCallback p_callback, void *p_user, const Settings &) { ThreadPosix *tr = memnew(ThreadPosix); tr->callback = p_callback; tr->user = p_user; pthread_attr_init(&tr->pthread_attr); pthread_attr_setdetachstate(&tr->pthread_attr, PTHREAD_CREATE_JOINABLE); pthread_attr_setstacksize(&tr->pthread_attr, 256 * 1024); pthread_create(&tr->pthread, &tr->pthread_attr, thread_callback, tr); return tr; } Thread::ID ThreadPosix::get_thread_ID_func_posix() { return (ID)pthread_self(); } void ThreadPosix::wait_to_finish_func_posix(Thread *p_thread) { ThreadPosix *tp = static_cast<ThreadPosix *>(p_thread); ERR_FAIL_COND(!tp); ERR_FAIL_COND(tp->pthread == 0); pthread_join(tp->pthread, NULL); tp->pthread = 0; } Error ThreadPosix::set_name_func_posix(const String &p_name) { pthread_t running_thread = pthread_self(); #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 #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 #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 ThreadPosix::make_default() { create_func = create_func_posix; get_thread_ID_func = get_thread_ID_func_posix; wait_to_finish_func = wait_to_finish_func_posix; set_name_func = set_name_func_posix; } ThreadPosix::ThreadPosix() { pthread = 0; } ThreadPosix::~ThreadPosix() { } #endif