d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Slide socket buffer lock earlier in sopoll() to cover the call into

Browse Source 
selrecord(), setting up select and flagging the socker buffers as SB_SEL
and setting up select under the lock.
This commit is contained in:
rwatson 2004-06-24 00:54:26 +00:00
parent ab7b1075ef
commit e71609f557
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
sys/kern/uipc_socket.c
View File

@ -1884,15 +1884,15 @@ sopoll(struct socket *so, int events, struct ucred *active_cred,
if (events &
(POLLIN | POLLINIGNEOF | POLLPRI | POLLRDNORM |
POLLRDBAND)) {
selrecord(td, &so->so_rcv.sb_sel);
SOCKBUF_LOCK(&so->so_rcv);
selrecord(td, &so->so_rcv.sb_sel);
so->so_rcv.sb_flags |= SB_SEL;
SOCKBUF_UNLOCK(&so->so_rcv);
}
if (events & (POLLOUT | POLLWRNORM)) {
selrecord(td, &so->so_snd.sb_sel);
SOCKBUF_LOCK(&so->so_snd);
selrecord(td, &so->so_snd.sb_sel);
so->so_snd.sb_flags |= SB_SEL;
SOCKBUF_UNLOCK(&so->so_snd);
}