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98890a29e3
* [client] fix busy-loop in network monitor routing socket on macOS/BSD After system wakeup, the AF_ROUTE socket created by Go's unix.Socket() is non-blocking, causing unix.Read to return EAGAIN immediately and spin at 100% CPU filling the log with thousands of warnings per second. Replace the tight read loop with a unix.Select call that blocks until the fd is readable, checking ctx cancellation on each 1-second timeout. Fatal errors (EBADF, EINVAL) now return an error instead of looping. * [client] add fd range validation in waitReadable to prevent out-of-bound errors