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author | Steve Kondik <shade@chemlab.org> | 2012-11-18 15:47:18 -0800 |
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committer | Steve Kondik <shade@chemlab.org> | 2012-11-18 15:47:18 -0800 |
commit | a546c7006355a7bd1df4267ee53d0bfa2c017c8c (patch) | |
tree | 01be0bf6c0d6968e1468ec9661fd52110f9b05a7 /distrib/sdl-1.2.15/src/thread/symbian/SDL_sysmutex.cpp | |
parent | baf3d7830396202df5cc47bd7bcee109c319cdb3 (diff) | |
parent | 0f809250987b64f491bd3b4b73c0f0d33036a786 (diff) | |
download | external_qemu-a546c7006355a7bd1df4267ee53d0bfa2c017c8c.zip external_qemu-a546c7006355a7bd1df4267ee53d0bfa2c017c8c.tar.gz external_qemu-a546c7006355a7bd1df4267ee53d0bfa2c017c8c.tar.bz2 |
Merge branch 'jb-mr1-release' of https://android.googlesource.com/platform/external/qemu into mr1-staging
Change-Id: I8a4a71ac65b08e6e17f26c942f67a15b85211115
Diffstat (limited to 'distrib/sdl-1.2.15/src/thread/symbian/SDL_sysmutex.cpp')
-rw-r--r-- | distrib/sdl-1.2.15/src/thread/symbian/SDL_sysmutex.cpp | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.15/src/thread/symbian/SDL_sysmutex.cpp b/distrib/sdl-1.2.15/src/thread/symbian/SDL_sysmutex.cpp new file mode 100644 index 0000000..f4b1aea --- /dev/null +++ b/distrib/sdl-1.2.15/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 <stdio.h> +//#include <stdlib.h> + +#include <e32std.h> + +#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); +} |