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Diffstat (limited to 'apps/plugins/sdl/src/thread/symbian/SDL_syssem.cpp')
-rw-r--r--apps/plugins/sdl/src/thread/symbian/SDL_syssem.cpp214
1 files changed, 0 insertions, 214 deletions
diff --git a/apps/plugins/sdl/src/thread/symbian/SDL_syssem.cpp b/apps/plugins/sdl/src/thread/symbian/SDL_syssem.cpp
deleted file mode 100644
index 00f9901ee5..0000000000
--- a/apps/plugins/sdl/src/thread/symbian/SDL_syssem.cpp
+++ /dev/null
@@ -1,214 +0,0 @@
-/*
- 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_syssem.cpp
-
- Epoc version by Markus Mertama (w@iki.fi)
-*/
-
-#ifdef SAVE_RCSID
-static char rcsid =
- "@(#) $Id: SDL_syssem.c,v 1.1.2.4 2000/06/22 15:24:48 hercules Exp $";
-#endif
-
-/* Semaphore functions using the Win32 API */
-
-//#include <stdio.h>
-//#include <stdlib.h>
-#include <e32std.h>
-
-#include "SDL_error.h"
-#include "SDL_thread.h"
-
-
-#define SDL_MUTEX_TIMEOUT -2
-
-struct SDL_semaphore
- {
- TInt handle;
- TInt count;
- };
-
-
-extern TInt CreateUnique(TInt (*aFunc)(const TDesC& aName, TAny*, TAny*), TAny*, TAny*);
-#ifndef EKA2
-extern TInt NewThread(const TDesC& aName, TAny* aPtr1, TAny* aPtr2);
-#endif
-
-TInt NewSema(const TDesC& aName, TAny* aPtr1, TAny* aPtr2)
- {
- TInt value = *((TInt*) aPtr2);
- return ((RSemaphore*)aPtr1)->CreateGlobal(aName, value);
- }
-
-/* Create a semaphore */
-SDL_sem *SDL_CreateSemaphore(Uint32 initial_value)
-{
- RSemaphore s;
- TInt status = CreateUnique(NewSema, &s, &initial_value);
- if(status != KErrNone)
- {
- SDL_SetError("Couldn't create semaphore");
- }
- SDL_semaphore* sem = new /*(ELeave)*/ SDL_semaphore;
- sem->handle = s.Handle();
- sem->count = initial_value;
- return(sem);
-}
-
-/* Free the semaphore */
-void SDL_DestroySemaphore(SDL_sem *sem)
-{
- if ( sem )
- {
- RSemaphore sema;
- sema.SetHandle(sem->handle);
- while(--sem->count)
- sema.Signal();
- sema.Close();
- delete sem;
- sem = NULL;
- }
-}
-
-#ifndef EKA2
-
- struct TInfo
- {
- TInfo(TInt aTime, TInt aHandle) :
- iTime(aTime), iHandle(aHandle), iVal(0) {}
- TInt iTime;
- TInt iHandle;
- TInt iVal;
- };
-
-
-
-TBool ThreadRun(TAny* aInfo)
- {
- TInfo* info = STATIC_CAST(TInfo*, aInfo);
- User::After(info->iTime);
- RSemaphore sema;
- sema.SetHandle(info->iHandle);
- sema.Signal();
- info->iVal = SDL_MUTEX_TIMEOUT;
- return 0;
- }
-
-#endif
-
-
-void _WaitAll(SDL_sem *sem)
- {
- //since SemTryWait may changed the counter.
- //this may not be atomic, but hopes it works.
- RSemaphore sema;
- sema.SetHandle(sem->handle);
- sema.Wait();
- while(sem->count < 0)
- {
- sema.Wait();
- }
- }
-
-int SDL_SemWaitTimeout(SDL_sem *sem, Uint32 timeout)
-{
- if ( ! sem ) {
- SDL_SetError("Passed a NULL sem");
- return -1;
- }
-
- if ( timeout == SDL_MUTEX_MAXWAIT )
- {
- _WaitAll(sem);
- return SDL_MUTEX_MAXWAIT;
- }
-
-#ifdef EKA2
-
- RSemaphore sema;
- sema.SetHandle(sem->handle);
- if(KErrNone == sema.Wait(timeout))
- return 0;
- return -1;
-#else
- RThread thread;
-
- TInfo* info = new (ELeave)TInfo(timeout, sem->handle);
-
- TInt status = CreateUnique(NewThread, &thread, info);
-
- if(status != KErrNone)
- return status;
-
- thread.Resume();
-
- _WaitAll(sem);
-
- if(thread.ExitType() == EExitPending)
- {
- thread.Kill(SDL_MUTEX_TIMEOUT);
- }
-
- thread.Close();
-
- return info->iVal;
-#endif
-}
-
-int SDL_SemTryWait(SDL_sem *sem)
-{
- if(sem->count > 0)
- {
- sem->count--;
- }
- return SDL_MUTEX_TIMEOUT;
-}
-
-int SDL_SemWait(SDL_sem *sem)
-{
- return SDL_SemWaitTimeout(sem, SDL_MUTEX_MAXWAIT);
-}
-
-/* Returns the current count of the semaphore */
-Uint32 SDL_SemValue(SDL_sem *sem)
-{
- if ( ! sem ) {
- SDL_SetError("Passed a NULL sem");
- return 0;
- }
- return sem->count;
-}
-
-int SDL_SemPost(SDL_sem *sem)
-{
- if ( ! sem ) {
- SDL_SetError("Passed a NULL sem");
- return -1;
- }
- sem->count++;
- RSemaphore sema;
- sema.SetHandle(sem->handle);
- sema.Signal();
- return 0;
-}