1 files changed, 0 insertions, 153 deletions
diff --git a/distrib/sdl-1.2.12/src/thread/riscos/SDL_sysmutex.c b/distrib/sdl-1.2.12/src/thread/riscos/SDL_sysmutex.c
deleted file mode 100644
index aa4d65e..0000000
--- a/distrib/sdl-1.2.12/src/thread/riscos/SDL_sysmutex.c
+++ /dev/null
@@ -1,153 +0,0 @@
-/*
-    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"
-
-/* RISC OS implementations uses pthreads based on linux code */
-
-#include "SDL_thread.h"
-
-#if SDL_THREADS_DISABLED
-#include "../generic/SDL_sysmutex.c"
-#else
-
-#include <pthread.h>
-
-struct SDL_mutex {
-	pthread_mutex_t id;
-#if SDL_THREAD_PTHREAD_NO_RECURSIVE_MUTEX
-	int recursive;
-	pthread_t owner;
-#endif
-};
-
-SDL_mutex *SDL_CreateMutex (void)
-{
-	SDL_mutex *mutex;
-	pthread_mutexattr_t attr;
-
-	/* Allocate the structure */
-	mutex = (SDL_mutex *)SDL_calloc(1, sizeof(*mutex));
-	if ( mutex ) {
-		pthread_mutexattr_init(&attr);
-#if SDL_THREAD_PTHREAD_NO_RECURSIVE_MUTEX
-		/* No extra attributes necessary */
-#else
-		pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
-#endif /* SDL_THREAD_PTHREAD_NO_RECURSIVE_MUTEX */
-		if ( pthread_mutex_init(&mutex->id, &attr) != 0 ) {
-			SDL_SetError("pthread_mutex_init() failed");
-			SDL_free(mutex);
-			mutex = NULL;
-		}
-	} else {
-		SDL_OutOfMemory();
-	}
-	return(mutex);
-}
-
-void SDL_DestroyMutex(SDL_mutex *mutex)
-{
-	if ( mutex ) {
-		pthread_mutex_destroy(&mutex->id);
-		SDL_free(mutex);
-	}
-}
-
-/* Lock the mutex */
-int SDL_mutexP(SDL_mutex *mutex)
-{
-	int retval;
-#if SDL_THREAD_PTHREAD_NO_RECURSIVE_MUTEX
-	pthread_t this_thread;
-#endif
-
-	if ( mutex == NULL ) {
-		SDL_SetError("Passed a NULL mutex");
-		return -1;
-	}
-
-	retval = 0;
-#if SDL_THREAD_PTHREAD_NO_RECURSIVE_MUTEX
-	this_thread = pthread_self();
-	if ( mutex->owner == this_thread ) {
-		++mutex->recursive;
-	} else {
-		/* The order of operations is important.
-		   We set the locking thread id after we obtain the lock
-		   so unlocks from other threads will fail.
-		*/
-		if ( pthread_mutex_lock(&mutex->id) == 0 ) {
-			mutex->owner = this_thread;
-			mutex->recursive = 0;
-		} else {
-			SDL_SetError("pthread_mutex_lock() failed");
-			retval = -1;
-		}
-	}
-#else
-	if ( pthread_mutex_lock(&mutex->id) < 0 ) {
-		SDL_SetError("pthread_mutex_lock() failed");
-		retval = -1;
-	}
-#endif
-	return retval;
-}
-
-int SDL_mutexV(SDL_mutex *mutex)
-{
-	int retval;
-
-	if ( mutex == NULL ) {
-		SDL_SetError("Passed a NULL mutex");
-		return -1;
-	}
-
-	retval = 0;
-#if SDL_THREAD_PTHREAD_NO_RECURSIVE_MUTEX
-	/* We can only unlock the mutex if we own it */
-	if ( pthread_self() == mutex->owner ) {
-		if ( mutex->recursive ) {
-			--mutex->recursive;
-		} else {
-			/* The order of operations is important.
-			   First reset the owner so another thread doesn't lock
-			   the mutex and set the ownership before we reset it,
-			   then release the lock semaphore.
-			 */
-			mutex->owner = 0;
-			pthread_mutex_unlock(&mutex->id);
-		}
-	} else {
-		SDL_SetError("mutex not owned by this thread");
-		retval = -1;
-	}
-
-#else
-	if ( pthread_mutex_unlock(&mutex->id) < 0 ) {
-		SDL_SetError("pthread_mutex_unlock() failed");
-		retval = -1;
-	}
-#endif /* SDL_THREAD_PTHREAD_NO_RECURSIVE_MUTEX */
-
-	return retval;
-}
-#endif