diff options
| author | Kyle Evans <kevans@FreeBSD.org> | 2024-03-05 04:14:06 +0000 |
|---|---|---|
| committer | Kyle Evans <kevans@FreeBSD.org> | 2024-03-18 15:52:57 +0000 |
| commit | 416547ba79c3dec8e69502174abecf33dbf74606 (patch) | |
| tree | e365519291eb16d66c719206493461f9c01eacf1 | |
| parent | a7b90458a2931366faa24deee914c3fb75f8ed1b (diff) | |
kern: poll: tap out the pollfd array on successful return
We do this in kern_poll() to include freebsd32 but exclude the linux
compat layer. The ABI should be the same, but the POLL constants are
probably different or should be assumed so.
Reviewed by: bapt, jhb
(cherry picked from commit b5d2165b9046572c9361a8e8b09323a6001ac586)
| -rw-r--r-- | sys/kern/sys_generic.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/kern/sys_generic.c b/sys/kern/sys_generic.c index b569a9f808d5..d0d0b1efa354 100644 --- a/sys/kern/sys_generic.c +++ b/sys/kern/sys_generic.c @@ -1608,6 +1608,11 @@ kern_poll(struct thread *td, struct pollfd *ufds, u_int nfds, error = kern_poll_kfds(td, kfds, nfds, tsp, set); if (error == 0) error = pollout(td, kfds, ufds, nfds); +#ifdef KTRACE + if (error == 0 && KTRPOINT(td, KTR_STRUCT_ARRAY)) + ktrstructarray("pollfd", UIO_USERSPACE, ufds, nfds, + sizeof(*ufds)); +#endif out: if (nfds > nitems(stackfds)) |