diff options
| author | hsu <hsu@FreeBSD.org> | 2002-12-22 05:35:03 +0000 |
|---|---|---|
| committer | hsu <hsu@FreeBSD.org> | 2002-12-22 05:35:03 +0000 |
| commit | 82e1e3bab0d3abe1018a0b56559c154485f2f676 (patch) | |
| tree | d0f9ee7e6f9d8014e6f8f94ab6965e85c268792e /sys/netinet6/icmp6.c | |
| parent | 2afef11c570b7b725c3145fc710f8dcd8d7ed4e0 (diff) | |
| download | FreeBSD-src-82e1e3bab0d3abe1018a0b56559c154485f2f676.zip FreeBSD-src-82e1e3bab0d3abe1018a0b56559c154485f2f676.tar.gz | |
SMP locking for ifnet list.
Diffstat (limited to 'sys/netinet6/icmp6.c')
| -rw-r--r-- | sys/netinet6/icmp6.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/sys/netinet6/icmp6.c b/sys/netinet6/icmp6.c index edb41f7..9e3015d 100644 --- a/sys/netinet6/icmp6.c +++ b/sys/netinet6/icmp6.c @@ -1672,6 +1672,7 @@ ni6_addrs(ni6, m, ifpp, subj) } } + IFNET_RLOCK(); for (ifp = TAILQ_FIRST(&ifnet); ifp; ifp = TAILQ_NEXT(ifp, if_list)) { addrsofif = 0; @@ -1729,11 +1730,13 @@ ni6_addrs(ni6, m, ifpp, subj) } if (iffound) { *ifpp = ifp; + IFNET_RUNLOCK(); return(addrsofif); } addrs += addrsofif; } + IFNET_RUNLOCK(); return(addrs); } @@ -1755,9 +1758,9 @@ ni6_store_addrs(ni6, nni6, ifp0, resid) if (ifp0 == NULL && !(niflags & NI_NODEADDR_FLAG_ALL)) return(0); /* needless to copy */ - + + IFNET_RLOCK(); again: - for (; ifp; ifp = TAILQ_NEXT(ifp, if_list)) { for (ifa = ifp->if_addrlist.tqh_first; ifa; @@ -1823,6 +1826,7 @@ ni6_store_addrs(ni6, nni6, ifp0, resid) */ nni6->ni_flags |= NI_NODEADDR_FLAG_TRUNCATE; + IFNET_RUNLOCK(); return(copied); } @@ -1877,6 +1881,8 @@ ni6_store_addrs(ni6, nni6, ifp0, resid) goto again; } + IFNET_RUNLOCK(); + return(copied); } |
