November 2011 - Darwin-dev - lists.apple.com

Re: IOConnectCallStructMethod which macros for 10.6
by Steve Checkoway 22 Nov '11

22 Nov '11

site_archiver(a)lists.apple.com Delivered-To: darwin-dev(a)lists.apple.com On Nov 22, 2011, at 10:17 AM, kiran kumar wrote: > i want to use single sourcecode for 10.4 ,10.5, 10,6, 10.7 for that can i use like this > > #if define(__LP64__) > IOConnectCallStructMethod(); //true if it is 10.6(32/64) > #else > IOConnectMethodStructureIStructureO(); //10.5, 10.4 > #endif > > is this right way can anyone suggest. If I understand you correctly, you want to have the code run on 10.4 through 10.7 and call different functions based on which version of the OS the code is running on. If that's true, then your code above is incorrect for two reasons. First, __LP64__ is going to be defined for code compiled for a 64 bit architecture (longs and pointers are 64 bits). It has nothing to do with OS version: steve$ gcc -dM -x c - -E <<<''|grep LP64 #define __LP64__ 1 #define _LP64 1 steve$ gcc -dM -x c - -E -arch i386 <<<''|grep LP64 Note that the second command outputs nothing. The second reason this is incorrect is that this is using one function or another at compile time, not run time. Looking at the headers for those functions, IOConnectCallStructMethod() is explicitly documented as working with LP64 and ILP32 and it appeared in 10.5. IOConnectMethodStructureIStructure0() appeared in 10.0 but was deprecated in 10.5 and does not work with LP64. So it sounds like you should call the latter for 10.4 and the former for 10.5 and above. Something like: #if defined(__LP64__) IOConnectCallStructMethod(...); // 64 bit #else if (&IOConnectCallStructMethod != NULL) IOConnectCallStructMethod(...); // 10.5 or later else IOConnectMethodStructureIStructure0(...); // 10.4 #endif And for this, you need MAC_OS_X_VERSION_MIN_REQUIRED defined to MAC_OS_X_VERSION_10_4. -- Steve Checkoway _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… This email sent to site_archiver(a)lists.apple.com

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Re: IOConnectCallStructMethod which macros for 10.6
by Evan Schoffstall 22 Nov '11

22 Nov '11

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Re: IOConnectCallStructMethod which macros for 10.6
by kiran kumar 22 Nov '11

22 Nov '11

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Re: IOConnectCallStructMethod which macros for 10.6
by Evan Schoffstall 22 Nov '11

22 Nov '11

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IOConnectCallStructMethod which macros for 10.6
by kiran kumar 22 Nov '11

22 Nov '11

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QA Tester Position Wanted
by Aaron K. Clark 13 Nov '11

13 Nov '11

site_archiver(a)lists.apple.com Delivered-To: darwin-dev(a)lists.apple.com Thread-index: AQHMoa8ZwUjxaVjRgEmsDGzuxy1RNg== Thread-topic: QA Tester Position Wanted Hello, I am a Senior Computer and Information Science Major at the University of Maryland University College and I am looking for a QA Tester position in an open-source project. I would prefer it to be related to UNIX Kernels/C, but kexts, installer packages or even general OSX apps would be also be interesting. I understand this a volunteer position and do not expect any compensation for my time. Thanks, Aaron K. Clark CMIS Major _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev(a)lists.apple.com) Help/Unsubscribe/Update your Subscription: http://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app… This email sent to site_archiver(a)lists.apple.com

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Re: single package for Mac OS X(10.4 ,10.5 ,10.6 ,10.7).
by Evan Schoffstall 11 Nov '11

11 Nov '11

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Re: single package for Mac OS X(10.4 ,10.5 ,10.6 ,10.7).
by Fritz Anderson 11 Nov '11

11 Nov '11

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single package for Mac OS X(10.4 ,10.5 ,10.6 ,10.7).
by kiran kumar 11 Nov '11

11 Nov '11

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Creating a single package for 10.4 ,10.5 ,10.6 ,10.7
by kiran kumar 11 Nov '11

11 Nov '11

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