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-rw-r--r--distrib/sdl-1.2.12/src/cdrom/macosx/SDLOSXCAGuard.c199
1 files changed, 0 insertions, 199 deletions
diff --git a/distrib/sdl-1.2.12/src/cdrom/macosx/SDLOSXCAGuard.c b/distrib/sdl-1.2.12/src/cdrom/macosx/SDLOSXCAGuard.c
deleted file mode 100644
index 7689c4e..0000000
--- a/distrib/sdl-1.2.12/src/cdrom/macosx/SDLOSXCAGuard.c
+++ /dev/null
@@ -1,199 +0,0 @@
-/*
- SDL - Simple DirectMedia Layer
- Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 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@libsdl.org
-*/
-#include "SDL_config.h"
-
-/*
- Note: This file hasn't been modified so technically we have to keep the disclaimer :-(
-
- Copyright: © Copyright 2002 Apple Computer, Inc. All rights reserved.
-
- Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc.
- ("Apple") in consideration of your agreement to the following terms, and your
- use, installation, modification or redistribution of this Apple software
- constitutes acceptance of these terms. If you do not agree with these terms,
- please do not use, install, modify or redistribute this Apple software.
-
- In consideration of your agreement to abide by the following terms, and subject
- to these terms, Apple grants you a personal, non-exclusive license, under AppleÕs
- copyrights in this original Apple software (the "Apple Software"), to use,
- reproduce, modify and redistribute the Apple Software, with or without
- modifications, in source and/or binary forms; provided that if you redistribute
- the Apple Software in its entirety and without modifications, you must retain
- this notice and the following text and disclaimers in all such redistributions of
- the Apple Software. Neither the name, trademarks, service marks or logos of
- Apple Computer, Inc. may be used to endorse or promote products derived from the
- Apple Software without specific prior written permission from Apple. Except as
- expressly stated in this notice, no other rights or licenses, express or implied,
- are granted by Apple herein, including but not limited to any patent rights that
- may be infringed by your derivative works or by other works in which the Apple
- Software may be incorporated.
-
- The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO
- WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED
- WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN
- COMBINATION WITH YOUR PRODUCTS.
-
- IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR
- CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
- GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION
- OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT
- (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN
- ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-/*=============================================================================
- CAGuard.cp
-
-=============================================================================*/
-
-/*=============================================================================
- Includes
- =============================================================================*/
-
-/*
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-*/
-#include "SDL_stdinc.h"
-
-/*#define NDEBUG 1*/
-/*
-#include <assert.h>
-*/
-#define assert(X)
-
-
-#include "SDLOSXCAGuard.h"
-
-/*#warning Need a try-based Locker too*/
-/*=============================================================================
- SDLOSXCAGuard
- =============================================================================*/
-
-static int SDLOSXCAGuard_Lock(SDLOSXCAGuard *cag)
-{
- int theAnswer = 0;
-
- if(pthread_self() != cag->mOwner)
- {
- OSStatus theError = pthread_mutex_lock(&cag->mMutex);
- (void)theError;
- assert(theError == 0);
- cag->mOwner = pthread_self();
- theAnswer = 1;
- }
-
- return theAnswer;
-}
-
-static void SDLOSXCAGuard_Unlock(SDLOSXCAGuard *cag)
-{
- OSStatus theError;
- assert(pthread_self() == cag->mOwner);
-
- cag->mOwner = 0;
- theError = pthread_mutex_unlock(&cag->mMutex);
- (void)theError;
- assert(theError == 0);
-}
-
-static int SDLOSXCAGuard_Try (SDLOSXCAGuard *cag, int *outWasLocked)
-{
- int theAnswer = 0;
- *outWasLocked = 0;
-
- if (pthread_self() == cag->mOwner) {
- theAnswer = 1;
- *outWasLocked = 0;
- } else {
- OSStatus theError = pthread_mutex_trylock(&cag->mMutex);
- if (theError == 0) {
- cag->mOwner = pthread_self();
- theAnswer = 1;
- *outWasLocked = 1;
- }
- }
-
- return theAnswer;
-}
-
-static void SDLOSXCAGuard_Wait(SDLOSXCAGuard *cag)
-{
- OSStatus theError;
- assert(pthread_self() == cag->mOwner);
-
- cag->mOwner = 0;
-
- theError = pthread_cond_wait(&cag->mCondVar, &cag->mMutex);
- (void)theError;
- assert(theError == 0);
- cag->mOwner = pthread_self();
-}
-
-static void SDLOSXCAGuard_Notify(SDLOSXCAGuard *cag)
-{
- OSStatus theError = pthread_cond_signal(&cag->mCondVar);
- (void)theError;
- assert(theError == 0);
-}
-
-
-SDLOSXCAGuard *new_SDLOSXCAGuard(void)
-{
- OSStatus theError;
- SDLOSXCAGuard *cag = (SDLOSXCAGuard *) SDL_malloc(sizeof (SDLOSXCAGuard));
- if (cag == NULL)
- return NULL;
- SDL_memset(cag, '\0', sizeof (*cag));
-
- #define SET_SDLOSXCAGUARD_METHOD(m) cag->m = SDLOSXCAGuard_##m
- SET_SDLOSXCAGUARD_METHOD(Lock);
- SET_SDLOSXCAGUARD_METHOD(Unlock);
- SET_SDLOSXCAGUARD_METHOD(Try);
- SET_SDLOSXCAGUARD_METHOD(Wait);
- SET_SDLOSXCAGUARD_METHOD(Notify);
- #undef SET_SDLOSXCAGUARD_METHOD
-
- theError = pthread_mutex_init(&cag->mMutex, NULL);
- (void)theError;
- assert(theError == 0);
-
- theError = pthread_cond_init(&cag->mCondVar, NULL);
- (void)theError;
- assert(theError == 0);
-
- cag->mOwner = 0;
- return cag;
-}
-
-void delete_SDLOSXCAGuard(SDLOSXCAGuard *cag)
-{
- if (cag != NULL)
- {
- pthread_mutex_destroy(&cag->mMutex);
- pthread_cond_destroy(&cag->mCondVar);
- SDL_free(cag);
- }
-}
-
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