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Re: Issue with DiskArbitration unmount approval callback - it is called multiple times

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Re: Issue with DiskArbitration unmount approval callback - it is called multiple times

Subject: Re: Issue with DiskArbitration unmount approval callback - it is called multiple times
From: Aaron Burghardt <email@hidden>
Date: Mon, 22 Feb 2010 11:31:16 -0500

Reread the documentation on the callback. If you approve the unmount, then you should return NULL, not a dissenter object.

http://developer.apple.com/mac/library/DOCUMENTATION/Darwin/Reference/DiscArbitrationFramework/DiskArbitration_h/index.html#//apple_ref/c/tdef/DADiskUnmountApprovalCallback

Aaron

On Feb 19, 2010, at 5:44 AM, Vera Tkachenko wrote:

2. Callback function itself - just log it was called and return success.

DADissenterRef unmountApprovalCallback(DADiskRef disk, void *context)

{

//Just log and return success - this should allow unmounting

<>

NSLog(@"unmountApprovalCallback called");

DADissenterRef dissenter = DADissenterCreate(kCFAllocatorDefault,

kDAReturnSuccess,

CFSTR("unmount allowed"));

return dissenter;

}

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