1 files changed, 0 insertions, 215 deletions
diff --git a/distrib/sdl-1.2.12/src/thread/dc/SDL_syscond.c b/distrib/sdl-1.2.12/src/thread/dc/SDL_syscond.c
deleted file mode 100644
index 6a9d2dc..0000000
--- a/distrib/sdl-1.2.12/src/thread/dc/SDL_syscond.c
+++ /dev/null
@@ -1,215 +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"
-
-/* An implementation of condition variables using semaphores and mutexes */
-/*
-   This implementation borrows heavily from the BeOS condition variable
-   implementation, written by Christopher Tate and Owen Smith.  Thanks!
- */
-
-#include "SDL_thread.h"
-
-struct SDL_cond
-{
-	SDL_mutex *lock;
-	int waiting;
-	int signals;
-	SDL_sem *wait_sem;
-	SDL_sem *wait_done;
-};
-
-/* Create a condition variable */
-SDL_cond * SDL_CreateCond(void)
-{
-	SDL_cond *cond;
-
-	cond = (SDL_cond *) SDL_malloc(sizeof(SDL_cond));
-	if ( cond ) {
-		cond->lock = SDL_CreateMutex();
-		cond->wait_sem = SDL_CreateSemaphore(0);
-		cond->wait_done = SDL_CreateSemaphore(0);
-		cond->waiting = cond->signals = 0;
-		if ( ! cond->lock || ! cond->wait_sem || ! cond->wait_done ) {
-			SDL_DestroyCond(cond);
-			cond = NULL;
-		}
-	} else {
-		SDL_OutOfMemory();
-	}
-	return(cond);
-}
-
-/* Destroy a condition variable */
-void SDL_DestroyCond(SDL_cond *cond)
-{
-	if ( cond ) {
-		if ( cond->wait_sem ) {
-			SDL_DestroySemaphore(cond->wait_sem);
-		}
-		if ( cond->wait_done ) {
-			SDL_DestroySemaphore(cond->wait_done);
-		}
-		if ( cond->lock ) {
-			SDL_DestroyMutex(cond->lock);
-		}
-		SDL_free(cond);
-	}
-}
-
-/* Restart one of the threads that are waiting on the condition variable */
-int SDL_CondSignal(SDL_cond *cond)
-{
-	if ( ! cond ) {
-		SDL_SetError("Passed a NULL condition variable");
-		return -1;
-	}
-
-	/* If there are waiting threads not already signalled, then
-	   signal the condition and wait for the thread to respond.
-	*/
-	SDL_LockMutex(cond->lock);
-	if ( cond->waiting > cond->signals ) {
-		++cond->signals;
-		SDL_SemPost(cond->wait_sem);
-		SDL_UnlockMutex(cond->lock);
-		SDL_SemWait(cond->wait_done);
-	} else {
-		SDL_UnlockMutex(cond->lock);
-	}
-
-	return 0;
-}
-
-/* Restart all threads that are waiting on the condition variable */
-int SDL_CondBroadcast(SDL_cond *cond)
-{
-	if ( ! cond ) {
-		SDL_SetError("Passed a NULL condition variable");
-		return -1;
-	}
-
-	/* If there are waiting threads not already signalled, then
-	   signal the condition and wait for the thread to respond.
-	*/
-	SDL_LockMutex(cond->lock);
-	if ( cond->waiting > cond->signals ) {
-		int i, num_waiting;
-
-		num_waiting = (cond->waiting - cond->signals);
-		cond->signals = cond->waiting;
-		for ( i=0; i<num_waiting; ++i ) {
-			SDL_SemPost(cond->wait_sem);
-		}
-		/* Now all released threads are blocked here, waiting for us.
-		   Collect them all (and win fabulous prizes!) :-)
-		 */
-		SDL_UnlockMutex(cond->lock);
-		for ( i=0; i<num_waiting; ++i ) {
-			SDL_SemWait(cond->wait_done);
-		}
-	} else {
-		SDL_UnlockMutex(cond->lock);
-	}
-
-	return 0;
-}
-
-/* Wait on the condition variable for at most 'ms' milliseconds.
-   The mutex must be locked before entering this function!
-   The mutex is unlocked during the wait, and locked again after the wait.
-
-Typical use:
-
-Thread A:
-	SDL_LockMutex(lock);
-	while ( ! condition ) {
-		SDL_CondWait(cond);
-	}
-	SDL_UnlockMutex(lock);
-
-Thread B:
-	SDL_LockMutex(lock);
-	...
-	condition = true;
-	...
-	SDL_UnlockMutex(lock);
- */
-int SDL_CondWaitTimeout(SDL_cond *cond, SDL_mutex *mutex, Uint32 ms)
-{
-	int retval;
-
-	if ( ! cond ) {
-		SDL_SetError("Passed a NULL condition variable");
-		return -1;
-	}
-
-	/* Obtain the protection mutex, and increment the number of waiters.
-	   This allows the signal mechanism to only perform a signal if there
-	   are waiting threads.
-	 */
-	SDL_LockMutex(cond->lock);
-	++cond->waiting;
-	SDL_UnlockMutex(cond->lock);
-
-	/* Unlock the mutex, as is required by condition variable semantics */
-	SDL_UnlockMutex(mutex);
-
-	/* Wait for a signal */
-	if ( ms == SDL_MUTEX_MAXWAIT ) {
-		retval = SDL_SemWait(cond->wait_sem);
-	} else {
-		retval = SDL_SemWaitTimeout(cond->wait_sem, ms);
-	}
-
-	/* Let the signaler know we have completed the wait, otherwise
-           the signaler can race ahead and get the condition semaphore
-           if we are stopped between the mutex unlock and semaphore wait,
-           giving a deadlock.  See the following URL for details:
-        http://www-classic.be.com/aboutbe/benewsletter/volume_III/Issue40.html
-	*/
-	SDL_LockMutex(cond->lock);
-	if ( cond->signals > 0 ) {
-		/* If we timed out, we need to eat a condition signal */
-		if ( retval > 0 ) {
-			SDL_SemWait(cond->wait_sem);
-		}
-		/* We always notify the signal thread that we are done */
-		SDL_SemPost(cond->wait_done);
-
-		/* Signal handshake complete */
-		--cond->signals;
-	}
-	--cond->waiting;
-	SDL_UnlockMutex(cond->lock);
-
-	/* Lock the mutex, as is required by condition variable semantics */
-	SDL_LockMutex(mutex);
-
-	return retval;
-}
-
-/* Wait on the condition variable forever */
-int SDL_CondWait(SDL_cond *cond, SDL_mutex *mutex)
-{
-	return SDL_CondWaitTimeout(cond, mutex, SDL_MUTEX_MAXWAIT);
-}