I just want my I/O device to run in parallel with CPU. Does the CPUs run over and over? More specifically speaking, CPU may send something to the I/O device to handle, but the time is not fixed. So it is better to let the device keep running and when it receive data ( by the write() function ), it can handle it. I do want the handling invoked within the write() function, I want it to act like a real hardware device. Is there any way I can do this? Thank you very much!
Weidan 在 2010年3月12日 下午4:44，Gabe Black <[email protected]>写道： > What are you implementing that needs to run over and over so often? > > Gabe > > >
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