linux - Receiving multiple datagrams in a single system call -


on linux, unless i'm mistaken, application can use socket call family send or receive 1 packet @ time on datagram transports.

would know if linux provides means application send , receive multiple packets in single call on datagram transports.

use recvmmsg receive multiple datagram packets (example udp)

int recvmmsg(int sockfd, struct mmsghdr *msgvec, unsigned int vlen,                     unsigned int flags, struct timespec *timeout); description             recvmmsg() system call extension of recvmsg(2) allows    caller receive multiple messages socket using single    system call. ...

http://man7.org/linux/man-pages/man2/recvmmsg.2.html

use sendmmsg send...

int sendmmsg(int sockfd, struct mmsghdr *msgvec, unsigned int vlen,                     unsigned int flags); description            sendmmsg() system call extension of sendmsg(2) allows    caller transmit multiple messages on socket using single    system call.

http://man7.org/linux/man-pages/man2/sendmmsg.2.html


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