WebMar 24, 2015 · One thread runs in a loop, reading network packets using recvmsg. When the daemon receives a signal, a flag is set telling all the threads to break out of their loops and exit. However, the "listening" thread never checks the flag until the next packet arrives and recvmsg returns, which can take some time.
recvmsg() — Receive messages on a socket and store in an array ... - IBM
WebJul 31, 2014 · This recv man page seems to indicate that recvmsg does not block, while recvfrom does block, at least by default. It's possible that you are calling recvmsg and there are no packets available at that moment. If you called it repeatedly I suppose you might see all your packets eventually just like you did in wireshark. Share Improve this answer WebThe recvmsg() function applies to sockets, regardless of whether they are in the connected state. This call returns the length of the data received. If data is not available for the socket socket , and socket is in blocking mode, the recvmsg() call … netflix rules book
Receive Message (RCVMSG) - IBM
Web.BR sctp_recvmsg is a wrapper library function that can be used to receive a message from a socket while using the advanced features of SCTP. .I sd is the socket descriptor on which the message pointed to by .I msg of length .I len is received. .PP If .I from is not NULL, the source address of the message is filled in. The argument .I fromlen WebSupport recv () cmsg for all timestamped packets. Control messages are already supported unconditionally on all packets with receive timestamps and on IPv6 packets with transmit timestamp. This option extends them to IPv4 packets with transmit timestamp. WebThe recvmsg() call receives messages on the socket with descriptor s and stores the messages in an array of message headers. For datagram protocols, recvmsg() returns the … netflix ruby cast