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author | tanimura <tanimura@FreeBSD.org> | 2002-05-20 05:41:09 +0000 |
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committer | tanimura <tanimura@FreeBSD.org> | 2002-05-20 05:41:09 +0000 |
commit | 92d8381dd544a8237b3fd68c4e7fce9bd0903fb2 (patch) | |
tree | 2465ddbcecac65f96c5c6d5cef1a4fe3f1ac03f8 /sys/netinet6/ip6_input.c | |
parent | 969293170b27461145f69a538d5abd15fea34ba1 (diff) | |
download | FreeBSD-src-92d8381dd544a8237b3fd68c4e7fce9bd0903fb2.zip FreeBSD-src-92d8381dd544a8237b3fd68c4e7fce9bd0903fb2.tar.gz |
Lock down a socket, milestone 1.
o Add a mutex (sb_mtx) to struct sockbuf. This protects the data in a
socket buffer. The mutex in the receive buffer also protects the data
in struct socket.
o Determine the lock strategy for each members in struct socket.
o Lock down the following members:
- so_count
- so_options
- so_linger
- so_state
o Remove *_locked() socket APIs. Make the following socket APIs
touching the members above now require a locked socket:
- sodisconnect()
- soisconnected()
- soisconnecting()
- soisdisconnected()
- soisdisconnecting()
- sofree()
- soref()
- sorele()
- sorwakeup()
- sotryfree()
- sowakeup()
- sowwakeup()
Reviewed by: alfred
Diffstat (limited to 'sys/netinet6/ip6_input.c')
-rw-r--r-- | sys/netinet6/ip6_input.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/sys/netinet6/ip6_input.c b/sys/netinet6/ip6_input.c index 16df5bb..f237cdf 100644 --- a/sys/netinet6/ip6_input.c +++ b/sys/netinet6/ip6_input.c @@ -1147,16 +1147,19 @@ ip6_savecontrol(in6p, mp, ip6, m) privileged++; #ifdef SO_TIMESTAMP + SOCK_LOCK(in6p->in6p_socket); if ((in6p->in6p_socket->so_options & SO_TIMESTAMP) != 0) { struct timeval tv; + SOCK_UNLOCK(in6p->in6p_socket); microtime(&tv); *mp = sbcreatecontrol((caddr_t) &tv, sizeof(tv), SCM_TIMESTAMP, SOL_SOCKET); if (*mp) { mp = &(*mp)->m_next; } - } + } else + SOCK_UNLOCK(in6p->in6p_socket); #endif /* RFC 2292 sec. 5 */ |