Symbol: SO_PASSPIDFD
net/core/sock.c
1567
case SO_PASSPIDFD:
net/core/sock.c
1882
case SO_PASSPIDFD:
net/mptcp/sockopt.c
358
case SO_PASSPIDFD:
tools/testing/selftests/net/af_unix/scm_pidfd.c
400
if (setsockopt(sk, SOL_SOCKET, SO_PASSPIDFD, &on, sizeof(on))) {