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英文字典中文字典相关资料:


  • Linux select() - Synchronous I O Multiplexing - phoenixNAP
    The select() system call is one of the primary, non-blocking methods for synchronous I O multiplexing Linux applications perform I O operations (like read and write) on a single file descriptor at a time This is the blocking method Blocking reduces the program's performance, slowing the process down However, select() allows users to
  • Linux – IO Multiplexing – Select vs Poll vs Epoll
    Imagine watching a single file descriptor with the value 900 via select()—the kernel would have to check each bit of each passed-in set, up to the 900th bit select( )’s file descriptor sets are statically sized With select( ), the file descriptor sets are reconstructed on return, so each subsequent call must reinitialize them
  • select(2) — Linux manual page - man7. org
    select() allows a program to monitor multiple file descriptors, waiting until one or more of the file descriptors become "ready" for some class of I O operation (e g , input possible) A file descriptor is considered ready if it is possible to perform a corresponding I O operation (e g , read(2), or a sufficiently small write(2)) without blocking
  • select (2): synchronous I O multiplexing - Linux man page
    FD_ISSET() tests to see if a file descriptor is part of the set; this is useful after select() returns nfds is the highest-numbered file descriptor in any of the three sets, plus 1 The timeout argument specifies the minimum interval that select() should block waiting for a file descriptor to become ready (This interval will be rounded up to





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