diff options
| author | Tom Gundersen <teg@jklm.no> | 2015-10-15 17:59:10 +0200 |
|---|---|---|
| committer | Tom Gundersen <teg@jklm.no> | 2015-10-15 18:59:08 +0200 |
| commit | 9c5a882b7fc256ddc0b227677fa06546f0e944a8 (patch) | |
| tree | 4aa947709c998d12e77acbfe21264aa2c2c79404 /src/basic | |
| parent | f10dc5a72587cb35ef8e4f1babcb274ccb4afd45 (diff) | |
sd-netlink: refcount multicast groups
Track the number of matches installed for a given multicast group, and leave the
group once no matches depend on it.
In order to handle passed-in sockets that are already members of multicast groups
we initialize the refcount based on the membership once we take over the socket.
This way we will leave the socket in the state we found it once we finish with
it.
On kernels that do not fully support reading out the multicast group membership
we fall back to never leaving any groups (as before).
Diffstat (limited to 'src/basic')
| -rw-r--r-- | src/basic/missing.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/basic/missing.h b/src/basic/missing.h index 59e835a466..5fb9951a84 100644 --- a/src/basic/missing.h +++ b/src/basic/missing.h @@ -126,6 +126,10 @@ #define SOL_NETLINK 270 #endif +#ifndef NETLINK_LIST_MEMBERSHIPS +#define NETLINK_LIST_MEMBERSHIPS 9 +#endif + #if !HAVE_DECL_PIVOT_ROOT static inline int pivot_root(const char *new_root, const char *put_old) { return syscall(SYS_pivot_root, new_root, put_old); |