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Diffstat (limited to 'distrib/sdl-1.2.12/src/thread/epoc/SDL_sysmutex.cpp')
-rw-r--r--distrib/sdl-1.2.12/src/thread/epoc/SDL_sysmutex.cpp105
1 files changed, 105 insertions, 0 deletions
diff --git a/distrib/sdl-1.2.12/src/thread/epoc/SDL_sysmutex.cpp b/distrib/sdl-1.2.12/src/thread/epoc/SDL_sysmutex.cpp
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index 0000000..1792012
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+++ b/distrib/sdl-1.2.12/src/thread/epoc/SDL_sysmutex.cpp
@@ -0,0 +1,105 @@
+/*
+ SDL - Simple DirectMedia Layer
+ Copyright (C) 1997-2006 Sam Lantinga
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+ Sam Lantinga
+ slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+/*
+ SDL_sysmutex.cpp
+
+ Epoc version by Markus Mertama (w@iki.fi)
+*/
+
+
+/* Mutex functions using the Win32 API */
+
+#include<e32std.h>
+
+#include "SDL_error.h"
+#include "SDL_mutex.h"
+
+
+
+struct SDL_mutex
+ {
+ TInt handle;
+ };
+
+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);
+ }
+
+/* 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();
+ return(mutex);
+}
+
+/* Free the mutex */
+void SDL_DestroyMutex(SDL_mutex *mutex)
+{
+ if ( mutex )
+ {
+ RMutex rmutex;
+ rmutex.SetHandle(mutex->handle);
+ rmutex.Signal();
+ rmutex.Close();
+ 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);
+}