Find all needed information about Linux Socket Eafnosupport. Below you can see links where you can find everything you want to know about Linux Socket Eafnosupport.
http://man7.org/linux/man-pages/man2/socket.2.html
Since Linux 2.6.27, the type argument serves a second purpose: in addition to specifying a socket type, it may include the bitwise OR of any of the following values, to modify the behavior of socket(): SOCK_NONBLOCK Set the O_NONBLOCK file status flag on the open file description (see open(2)) referred to by the new file descriptor.
http://man7.org/linux/man-pages/man2/connect.2.html
CONNECT(2) Linux Programmer's Manual CONNECT(2) NAME top connect - initiate a connection on a socket SYNOPSIS top #include <sys/types.h> /* See NOTES */ #include <sys/socket.h> int connect(int sockfd, const struct sockaddr *addr, socklen_t addrlen); DESCRIPTION top The connect() system call connects the socket referred to by the file descriptor sockfd to the address specified by addr.
https://www.commandlinux.com/man-page/man2/socket.2.html
Some socket types may not be implemented by all protocol families. Since Linux 2.6.27, the type argument serves a second purpose: in addition to specifying a socket type, it may include the bitwise OR of any of the following values, to modify the behavior of socket(): SOCK_NONBLOCK Set the O_NONBLOCK file status flag on the new open file ...
https://stackoverflow.com/questions/13452224/possible-causes-of-errno-97-aka-eafnosupport-aka-address-family-not-supported-by
If you are passing an in_addr where a sockaddr is expected then the problem is simply that when the system call looks at what it thinks is the address family in what it thinks is a sockaddr structure it is really seeing one of the bytes of your multicast address, which is presumably not a valid address family.. To explain more, a sockaddr_in looks like this:
https://access.redhat.com/solutions/1253383
Red Hat Enterprise Linux 6; Issue. When attempting to create a socket in a network namespace, socket allocation will fail. The socket call, if viewed with the strace utility, will return EAFNOSUPPORT as so:
https://www.cnet.com/forums/discussions/eafnosupport-address-family-not-supported-on-sendto/
Sep 26, 2018 · Reporting: EAFNOSUPPORT (Address Family not supported) on sendto() This post has been flagged and will be reviewed by our staff. Thank you for helping us maintain CNET…
https://stackoverflow.com/questions/36074001/detect-availability-of-linux-kernels-af-alg-sockets-for-userland-crypto
The Linux kernel added a user space API to its crypto functions at 2.6 via a new new socket family AF_ALG.Also see crypto: af_alg - User-space interface for Crypto API on LWN.. I'm working with Gentoo, and it requires one to configure and build the kernel.
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