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EPOLL_CTL_DISABLE, epoll, and API designEPOLL_CTL_DISABLE, epoll, and API design
[Kernel] Posted Oct 23, 2012 15:00 UTC (Tue) by mkerrisk
In an article last week, we saw that the EPOLL_CTL_DISABLE operation provides a way for multithreaded applications that cache information about file descriptors to safely delete those file descriptors from an epoll interest list. This week, we revisit the EPOLL_CTL_DISABLE story from a different angle, with the aim of drawing some lessons about the design of the APIs that the kernel presents to user space.
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