b219dcd45a
This new call is like varlink_peek_fd() (i.e. gets an fd out of the connection but leaving it also in there), and combines ith with F_DUPFD_CLOEXEC to make a copy of it. We previously already had varlink_dup_fd() which was a duplicating version for pushing an fd *into* the connection. To reduce confusion, let's rename that one varlink_push_dup_fd() to make the symmetry to valrink_push_fd() clear so that we have no: varlink_peer_push_fd() → put fd in without dup'ing varlink_peer_push_dup_fd() → same with F_DUPFD_CLOEXEC varlink_peer_peek_fd() → get fd out without dup'ing varlink_peer_peek_dup_fd() → same with F_DUPFD_CLOEXEC
System and Service Manager
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