diff options
| author | rwatson <rwatson@FreeBSD.org> | 2004-06-12 16:08:41 +0000 |
|---|---|---|
| committer | rwatson <rwatson@FreeBSD.org> | 2004-06-12 16:08:41 +0000 |
| commit | 7bfe3e80fc4fa11f091353498f3ce7475f7beec8 (patch) | |
| tree | 6d7ee4d7e1232a2656227e586c0d50921c10cb53 /sys/kern/uipc_socket.c | |
| parent | ad8388ad62dec33a4bf8116aaf62c2f3fe1b5505 (diff) | |
| download | FreeBSD-src-7bfe3e80fc4fa11f091353498f3ce7475f7beec8.zip FreeBSD-src-7bfe3e80fc4fa11f091353498f3ce7475f7beec8.tar.gz | |
Introduce a mutex into struct sockbuf, sb_mtx, which will be used to
protect fields in the socket buffer. Add accessor macros to use the
mutex (SOCKBUF_*()). Initialize the mutex in soalloc(), and destroy
it in sodealloc(). Add addition, add SOCK_*() access macros which
will protect most remaining fields in the socket; for the time being,
use the receive socket buffer mutex to implement socket level locking
to reduce memory overhead.
Submitted by: sam
Sponosored by: FreeBSD Foundation
Obtained from: BSD/OS
Diffstat (limited to 'sys/kern/uipc_socket.c')
| -rw-r--r-- | sys/kern/uipc_socket.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/kern/uipc_socket.c b/sys/kern/uipc_socket.c index 690c28a..66a10d9f 100644 --- a/sys/kern/uipc_socket.c +++ b/sys/kern/uipc_socket.c @@ -144,6 +144,8 @@ soalloc(int mflags) return so; } #endif + SOCKBUF_LOCK_INIT(&so->so_snd, "so_snd"); + SOCKBUF_LOCK_INIT(&so->so_rcv, "so_rcv"); /* XXX race condition for reentrant kernel */ so->so_gencnt = ++so_gencnt; /* sx_init(&so->so_sxlock, "socket sxlock"); */ @@ -245,6 +247,8 @@ sodealloc(struct socket *so) mac_destroy_socket(so); #endif crfree(so->so_cred); + SOCKBUF_LOCK_DESTROY(&so->so_snd); + SOCKBUF_LOCK_DESTROY(&so->so_rcv); /* sx_destroy(&so->so_sxlock); */ uma_zfree(socket_zone, so); --numopensockets; |
