Mercurial > sdl-ios-xcode
annotate src/cdrom/macosx/CAGuard.h @ 1135:cf6133247d34
Mac Classic and CodeWarrior patches.
--ryan.
From: =?ISO-8859-1?Q?Anders_F_Bj=F6rklund?= <afb@algonet.se>
Subject: Re: [SDL] Updated Mac patch
Date: Tue, 6 Sep 2005 15:21:27 +0200
To: A list for developers using the SDL library <sdl@libsdl.org>
Earlier, I wrote:
> Updated the previous Mac patch to disable Carbon by default.
> Also "fixed" the SDL.spec again, so that it builds on Darwin.
>
> http://www.algonet.se/~afb/SDL-1.2.9-mac.patch
> Also applied fine to SDL12 CVS, when I tried it.
>
> Haven't completed any new packaging or projects for Xcode/PB,
> but it seems to build and install fine here (in development).
Tested the new patch to build with old CodeWarrior and MPW,
and it seems it needed some hacks with those old headers...
Just in case you want to support the archeological versions -
here is a small add-on to the above patch, to fix those...
http://www.algonet.se/~afb/SDL-1.2.9-classic.patch
I couldn't get the old CW5 projects to build without a few
modifications - such as deleting the stray old header in:
"CWprojects/Support/Carbon/Include/ConditionalMacros.h" ?
But I updated both projects to CW6 too and built for Carbon,
and it ran all of the Mac test projects without any problems.
The MPW file seems to have compiled, with a small order change.
As long as you're still shipping the CWProjects and MPWmake
with the download, they should probably be updated/fixed ?
(another "solution" would of course be to just delete them)
I'll post my new projects along with the new Xcode projects
later on, along with XML exports of the various .mcp files.
(CW5 builds for Classic / "PPC", and CW6 builds for Carbon)
It'll be packaged as a part of the next SpriteWorld X release...
http://spriteworldx.sourceforge.net/ [Classic/Carbon/Win/X11]
--anders
author | Ryan C. Gordon <icculus@icculus.org> |
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date | Thu, 08 Sep 2005 06:34:28 +0000 |
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1 /* |
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2 SDL - Simple DirectMedia Layer |
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3 Copyright (C) 1997-2004 Sam Lantinga |
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4 |
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5 This library is free software; you can redistribute it and/or |
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6 modify it under the terms of the GNU Library General Public |
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7 License as published by the Free Software Foundation; either |
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8 version 2 of the License, or (at your option) any later version. |
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9 |
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10 This library is distributed in the hope that it will be useful, |
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11 but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 Library General Public License for more details. |
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14 |
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15 You should have received a copy of the GNU Library General Public |
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16 License along with this library; if not, write to the Free |
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17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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18 |
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19 Sam Lantinga |
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20 slouken@libsdl.org |
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21 */ |
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22 /* |
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23 Note: This file hasn't been modified so technically we have to keep the disclaimer :-( |
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24 |
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25 |
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26 Copyright: © Copyright 2002 Apple Computer, Inc. All rights reserved. |
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27 |
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28 Disclaimer: IMPORTANT: This Apple software is supplied to you by Apple Computer, Inc. |
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29 ("Apple") in consideration of your agreement to the following terms, and your |
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30 use, installation, modification or redistribution of this Apple software |
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31 constitutes acceptance of these terms. If you do not agree with these terms, |
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32 please do not use, install, modify or redistribute this Apple software. |
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33 |
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34 In consideration of your agreement to abide by the following terms, and subject |
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35 to these terms, Apple grants you a personal, non-exclusive license, under AppleÕs |
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36 copyrights in this original Apple software (the "Apple Software"), to use, |
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37 reproduce, modify and redistribute the Apple Software, with or without |
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38 modifications, in source and/or binary forms; provided that if you redistribute |
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39 the Apple Software in its entirety and without modifications, you must retain |
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40 this notice and the following text and disclaimers in all such redistributions of |
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41 the Apple Software. Neither the name, trademarks, service marks or logos of |
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42 Apple Computer, Inc. may be used to endorse or promote products derived from the |
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43 Apple Software without specific prior written permission from Apple. Except as |
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44 expressly stated in this notice, no other rights or licenses, express or implied, |
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45 are granted by Apple herein, including but not limited to any patent rights that |
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46 may be infringed by your derivative works or by other works in which the Apple |
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47 Software may be incorporated. |
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48 |
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49 The Apple Software is provided by Apple on an "AS IS" basis. APPLE MAKES NO |
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50 WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED |
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51 WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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52 PURPOSE, REGARDING THE APPLE SOFTWARE OR ITS USE AND OPERATION ALONE OR IN |
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53 COMBINATION WITH YOUR PRODUCTS. |
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54 |
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55 IN NO EVENT SHALL APPLE BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR |
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56 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE |
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57 GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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58 ARISING IN ANY WAY OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION |
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59 OF THE APPLE SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, TORT |
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60 (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF APPLE HAS BEEN |
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61 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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62 */ |
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63 /*============================================================================= |
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64 CAGuard.h |
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65 |
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66 =============================================================================*/ |
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67 #if !defined(__CAGuard_h__) |
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68 #define __CAGuard_h__ |
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69 |
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70 //============================================================================= |
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71 // Includes |
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72 //============================================================================= |
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73 |
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74 #include <CoreAudio/CoreAudioTypes.h> |
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75 #include <pthread.h> |
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76 |
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77 |
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78 //============================================================================= |
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79 // CAGuard |
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80 // |
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81 // This is your typical mutex with signalling implemented via pthreads. |
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82 // Lock() will return true if and only if the guard is locked on that call. |
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83 // A thread that already has the guard will receive 'false' if it locks it |
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84 // again. Use of the stack-based CAGuard::Locker class is highly recommended |
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85 // to properly manage the recursive nesting. The Wait calls with timeouts |
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86 // will return true if and only if the timeout period expired. They will |
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87 // return false if they receive notification any other way. |
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88 //============================================================================= |
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89 |
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90 class CAGuard |
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91 { |
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92 |
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93 // Construction/Destruction |
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94 public: |
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95 CAGuard(); |
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96 virtual ~CAGuard(); |
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97 |
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98 // Actions |
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99 public: |
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100 virtual bool Lock(); |
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101 virtual void Unlock(); |
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102 virtual bool Try(bool& outWasLocked); // returns true if lock is free, false if not |
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103 |
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104 virtual void Wait(); |
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105 |
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106 virtual void Notify(); |
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107 |
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108 // Implementation |
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109 protected: |
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110 pthread_mutex_t mMutex; |
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111 pthread_cond_t mCondVar; |
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112 pthread_t mOwner; |
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113 |
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114 // Helper class to manage taking and releasing recursively |
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115 public: |
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116 class Locker |
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117 { |
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118 |
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119 // Construction/Destruction |
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120 public: |
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121 Locker(CAGuard& inGuard) : mGuard(inGuard), mNeedsRelease(false) { mNeedsRelease = mGuard.Lock(); } |
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122 ~Locker() { if(mNeedsRelease) { mGuard.Unlock(); } } |
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123 |
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124 private: |
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125 Locker(const Locker&); |
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126 Locker& operator=(const Locker&); |
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127 |
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128 // Actions |
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129 public: |
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130 void Wait() { mGuard.Wait(); } |
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131 |
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132 void Notify() { mGuard.Notify(); } |
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133 |
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134 // Implementation |
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135 private: |
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136 CAGuard& mGuard; |
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137 bool mNeedsRelease; |
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138 |
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139 }; |
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140 |
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141 }; |
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142 |
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143 #endif |