3 ms·

Only if you set the keepalive option, such as: int yes = 1; setsockopt(s, SOL_SOCKET, SO_KEEPALIVE, &yes, sizeof(yes)); Most servers (Xserver, imapd, sshd

by tlb 8y ago

Only if you set the keepalive option, such as: int yes = 1; setsockopt(s, SOL_SOCKET, SO_KEEPALIVE, &yes, sizeof(yes)); Most servers (Xserver, imapd, sshd) set it.