godot/drivers/unix/thread_posix.cpp
Rémi Verschelde 97b9697ea2 Fix some OSX and iOS Clang warnings
Fixes the following XCode 9.4.1 warnings:
```
core/os/memory.cpp:175:13: warning: unused variable 's' [-Wunused-variable]
drivers/coremidi/core_midi.cpp:68:14: warning: comparison between NULL and non-pointer ('MIDIEndpointRef' (aka 'unsigned int') and NULL) [-Wnull-arithmetic]
drivers/gles2/rasterizer_gles2.cpp:77:24: warning: unused function '_gl_debug_print' [-Wunused-function,34]
drivers/unix/thread_posix.cpp:106:12: warning: unused variable 'running_thread' [-Wunused-variable,34]
modules/gdnative/nativescript/nativescript.h:371:16: warning: in-class initialization of non-static data member is a C++11 extension [-Wc++11-extensions]
platform/iphone/gl_view.mm:56:14: warning: unused variable 'video_previous_volume' [-Wunused-variable,34]
platform/iphone/gl_view.mm:251:12: warning: unused function 'get_first_id' [-Wunused-function,34]
platform/iphone/main.m:45:15: warning: unused variable 'app' [-Wunused-variable,34]
platform/osx/os_osx.mm:79:15: warning: unused function 'convertRectToBacking' [-Wunused-function]
```
2018-10-04 11:50:16 +02:00

150 lines
4.8 KiB
C++

/*************************************************************************/
/* thread_posix.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2018 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 "core/script_language.h"
#if (defined(UNIX_ENABLED) || defined(PTHREAD_ENABLED)) && !defined(NO_THREADS)
#ifdef PTHREAD_BSD_SET_NAME
#include <pthread_np.h>
#endif
#include "core/os/memory.h"
#include "core/safe_refcount.h"
static pthread_key_t _create_thread_id_key() {
pthread_key_t key;
pthread_key_create(&key, NULL);
return key;
}
pthread_key_t ThreadPosix::thread_id_key = _create_thread_id_key();
Thread::ID ThreadPosix::next_thread_id = 0;
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 = atomic_increment(&next_thread_id);
pthread_setspecific(thread_id_key, (void *)t->id);
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_getspecific(thread_id_key);
}
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) {
#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
#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