为了尽快处理它们,我在kernel_recvmsg()所在的循环中没有任何睡眠。不幸的是,我观察到CPU的消耗非常大,而UDP数据包没有到来。如果我进行插座阻塞(删除MSG_DONTWAIT),是否有某种间接方法来解开并退出Kernel_recvmsg()..?如果我做意外的sock_release()会发生什么? kernel_recvmsg()是否应该解开并
As an example, Linux uses this ancillary data mechanism to pass extended errors, IP options, or file descriptors over UNIX domain sockets. For further information on the use of ancillary data in various socket domains, see unix(7) and ip(7). The msg_flags field in the msghdr is set on...
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As an example, Linux uses this ancillary data mechanism to pass extended errors, IP options, or file descriptors over UNIX domain sockets. The msg_flags field in the msghdr is set on return of recvmsg(). It can contain several flags: MSG_EOR indicates end-of-record; the data returned ...
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