diff options
Diffstat (limited to '3rdparty/SDL2/src/thread/stdcpp/SDL_systhread.cpp')
-rw-r--r-- | 3rdparty/SDL2/src/thread/stdcpp/SDL_systhread.cpp | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/3rdparty/SDL2/src/thread/stdcpp/SDL_systhread.cpp b/3rdparty/SDL2/src/thread/stdcpp/SDL_systhread.cpp deleted file mode 100644 index 6e5ef473e03..00000000000 --- a/3rdparty/SDL2/src/thread/stdcpp/SDL_systhread.cpp +++ /dev/null @@ -1,168 +0,0 @@ -/* - Simple DirectMedia Layer - Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org> - - This software is provided 'as-is', without any express or implied - warranty. In no event will the authors be held liable for any damages - arising from the use of this software. - - Permission is granted to anyone to use this software for any purpose, - including commercial applications, and to alter it and redistribute it - freely, subject to the following restrictions: - - 1. The origin of this software must not be misrepresented; you must not - claim that you wrote the original software. If you use this software - in a product, an acknowledgment in the product documentation would be - appreciated but is not required. - 2. Altered source versions must be plainly marked as such, and must not be - misrepresented as being the original software. - 3. This notice may not be removed or altered from any source distribution. -*/ -#include "../../SDL_internal.h" - -/* Thread management routines for SDL */ - -extern "C" { -#include "SDL_thread.h" -#include "../SDL_thread_c.h" -#include "../SDL_systhread.h" -#include "SDL_log.h" -} - -#include <mutex> -#include <thread> -#include <system_error> - -#ifdef __WINRT__ -#include <Windows.h> -#endif - -static void -RunThread(void *args) -{ - SDL_RunThread(args); -} - -extern "C" -int -SDL_SYS_CreateThread(SDL_Thread * thread, void *args) -{ - try { - // !!! FIXME: no way to set a thread stack size here. - std::thread cpp_thread(RunThread, args); - thread->handle = (void *) new std::thread(std::move(cpp_thread)); - return 0; - } catch (std::system_error & ex) { - SDL_SetError("unable to start a C++ thread: code=%d; %s", ex.code(), ex.what()); - return -1; - } catch (std::bad_alloc &) { - SDL_OutOfMemory(); - return -1; - } -} - -extern "C" -void -SDL_SYS_SetupThread(const char *name) -{ - // Make sure a thread ID gets assigned ASAP, for debugging purposes: - SDL_ThreadID(); - return; -} - -extern "C" -SDL_threadID -SDL_ThreadID(void) -{ -#ifdef __WINRT__ - return GetCurrentThreadId(); -#else - // HACK: Mimick a thread ID, if one isn't otherwise available. - static thread_local SDL_threadID current_thread_id = 0; - static SDL_threadID next_thread_id = 1; - static std::mutex next_thread_id_mutex; - - if (current_thread_id == 0) { - std::lock_guard<std::mutex> lock(next_thread_id_mutex); - current_thread_id = next_thread_id; - ++next_thread_id; - } - - return current_thread_id; -#endif -} - -extern "C" -int -SDL_SYS_SetThreadPriority(SDL_ThreadPriority priority) -{ - // Thread priorities do not look to be settable via C++11's thread - // interface, at least as of this writing (Nov 2012). std::thread does - // provide access to the OS' native handle, however, and some form of - // priority-setting could, in theory, be done through this interface. - // - // WinRT: UPDATE (Aug 20, 2013): thread priorities cannot be changed - // on WinRT, at least not for any thread that's already been created. - // WinRT threads appear to be based off of the WinRT class, - // ThreadPool, more info on which can be found at: - // http://msdn.microsoft.com/en-us/library/windows/apps/windows.system.threading.threadpool.aspx - // - // For compatibility sake, 0 will be returned here. - return (0); -} - -extern "C" -void -SDL_SYS_WaitThread(SDL_Thread * thread) -{ - if ( ! thread) { - return; - } - - try { - std::thread * cpp_thread = (std::thread *) thread->handle; - if (cpp_thread->joinable()) { - cpp_thread->join(); - } - } catch (std::system_error &) { - // An error occurred when joining the thread. SDL_WaitThread does not, - // however, seem to provide a means to report errors to its callers - // though! - } -} - -extern "C" -void -SDL_SYS_DetachThread(SDL_Thread * thread) -{ - if ( ! thread) { - return; - } - - try { - std::thread * cpp_thread = (std::thread *) thread->handle; - if (cpp_thread->joinable()) { - cpp_thread->detach(); - } - } catch (std::system_error &) { - // An error occurred when detaching the thread. SDL_DetachThread does not, - // however, seem to provide a means to report errors to its callers - // though! - } -} - -extern "C" -SDL_TLSData * -SDL_SYS_GetTLSData() -{ - return SDL_Generic_GetTLSData(); -} - -extern "C" -int -SDL_SYS_SetTLSData(SDL_TLSData *data) -{ - return SDL_Generic_SetTLSData(data); -} - -/* vi: set ts=4 sw=4 expandtab: */ |