Hi,
I have a user space program which "connects" to different kernel
modules with generic netlink. Each module provides its own generic
netlink family.
For each module to "connect" to I create a socket and bind it:
fd = socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC);
struct sockaddr_nl addr;
memset(&addr, 0, sizeof(addr));
bind(fd, (struct sockaddr *)&addr, sizeof(addr));
As far as I understand, this lets the generic netlink controller choose
a unique pid, which shows up in the kernel module in the callback
function as genl_info.snd_pid.
Is it possible to get this pid in userspace (without sending a message
to the kernel module)?
Thanks!
Ariane
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