From a855d6202536ff28e5aae4f22a0f31d8f5b325d0 Mon Sep 17 00:00:00 2001 From: Franklin Wei Date: Sat, 21 Jan 2017 15:18:31 -0500 Subject: Port of Duke Nukem 3D This ports Fabien Sanglard's Chocolate Duke to run on a version of SDL for Rockbox. Change-Id: I8f2c4c78af19de10c1633ed7bb7a997b43256dd9 --- .../sdl/src/thread/symbian/SDL_sysmutex.cpp | 130 +++++++++++++++++++++ 1 file changed, 130 insertions(+) create mode 100644 apps/plugins/sdl/src/thread/symbian/SDL_sysmutex.cpp (limited to 'apps/plugins/sdl/src/thread/symbian/SDL_sysmutex.cpp') diff --git a/apps/plugins/sdl/src/thread/symbian/SDL_sysmutex.cpp b/apps/plugins/sdl/src/thread/symbian/SDL_sysmutex.cpp new file mode 100644 index 0000000000..f4b1aeaad2 --- /dev/null +++ b/apps/plugins/sdl/src/thread/symbian/SDL_sysmutex.cpp @@ -0,0 +1,130 @@ +/* + SDL - Simple DirectMedia Layer + Copyright (C) 1997-2012 Sam Lantinga + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public + License as published by the Free Software Foundation; either + version 2 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with this library; if not, write to the Free + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + + Sam Lantinga + slouken@devolution.com +*/ + +/* + SDL_sysmutex.cpp + + Epoc version by Markus Mertama (w@iki.fi) +*/ + + +#ifdef SAVE_RCSID +static char rcsid = + "@(#) $Id: SDL_sysmutex.c,v 1.1.2.3 2000/06/22 15:25:23 hercules Exp $"; +#endif + +/* Mutex functions using the Win32 API */ + +//#include +//#include + +#include + +#include "epoc_sdl.h" + +#include "SDL_error.h" +#include "SDL_mutex.h" + + +#ifdef EKA2 //??? +struct SDL_mutex + { + TInt handle; + }; +#else +struct _SDL_mutex + { + TInt handle; + }; +#endif + +extern TInt CreateUnique(TInt (*aFunc)(const TDesC& aName, TAny*, TAny*), TAny*, TAny*); + +TInt NewMutex(const TDesC& aName, TAny* aPtr1, TAny*) + { + return ((RMutex*)aPtr1)->CreateGlobal(aName); + } + +void DeleteMutex(TAny* aMutex) + { + SDL_DestroyMutex ((SDL_mutex*) aMutex); + } + +/* Create a mutex */ +SDL_mutex *SDL_CreateMutex(void) +{ + RMutex rmutex; + + TInt status = CreateUnique(NewMutex, &rmutex, NULL); + if(status != KErrNone) + { + SDL_SetError("Couldn't create mutex"); + } + SDL_mutex* mutex = new /*(ELeave)*/ SDL_mutex; + mutex->handle = rmutex.Handle(); + EpocSdlEnv::AppendCleanupItem(TSdlCleanupItem(DeleteMutex, mutex)); + return(mutex); +} + +/* Free the mutex */ +void SDL_DestroyMutex(SDL_mutex *mutex) +{ + if ( mutex ) + { + RMutex rmutex; + rmutex.SetHandle(mutex->handle); + if(rmutex.IsHeld()) + { + rmutex.Signal(); + } + rmutex.Close(); + EpocSdlEnv::RemoveCleanupItem(mutex); + delete(mutex); + mutex = NULL; + } +} + +/* Lock the mutex */ +int SDL_mutexP(SDL_mutex *mutex) +{ + if ( mutex == NULL ) { + SDL_SetError("Passed a NULL mutex"); + return -1; + } + RMutex rmutex; + rmutex.SetHandle(mutex->handle); + rmutex.Wait(); + return(0); +} + +/* Unlock the mutex */ +int SDL_mutexV(SDL_mutex *mutex) +{ + if ( mutex == NULL ) { + SDL_SetError("Passed a NULL mutex"); + return -1; + } + RMutex rmutex; + rmutex.SetHandle(mutex->handle); + rmutex.Signal(); + return(0); +} -- cgit v1.2.3