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POOpen new device descriptor with same options as reference descriptor
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12144769
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2012-08-27T15:15:59.287
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2012-08-27T16:31:11.820
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I have an open device descriptor, where I don't know the device name and the options passed to open(...). I want to open a new device descriptor with the same options passed to open. <pre><code>int newFd = copy(referenceFd); </code></pre> Where copy would do the job. dup() is certainly the wrong choice as a further ioctl() on newFd would also alter the referenceFd, therefore I want to open a new descriptor. Is there a system call which provides such functionality? I have not been able to find something yet.
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<c><linux>
Title
Open new device descriptor with same options as reference descriptor
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