diff options
Diffstat (limited to 'lib/libc/sys/kqueue.2')
| -rw-r--r-- | lib/libc/sys/kqueue.2 | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/libc/sys/kqueue.2 b/lib/libc/sys/kqueue.2 index 93d5c78..468cfca 100644 --- a/lib/libc/sys/kqueue.2 +++ b/lib/libc/sys/kqueue.2 @@ -265,6 +265,13 @@ When the last writer disconnects, the filter will set EV_EOF in This may be cleared by passing in EV_CLEAR, at which point the filter will resume waiting for data to become available before returning. +.It "BPF devices" +Returns when the BPF buffer is full, the BPF timeout has expired, or +when the BPF has +.Dq immediate mode +enabled and there is any data to read; +.Va data +contains the number of bytes available. .El .It EVFILT_WRITE Takes a descriptor as the identifier, and returns whenever @@ -274,7 +281,7 @@ and fifos, will contain the amount of space remaining in the write buffer. The filter will set EV_EOF when the reader disconnects, and for the fifo case, this may be cleared by use of EV_CLEAR. -Note that this filter is not supported for vnodes. +Note that this filter is not supported for vnodes or BPF devices. .Pp For sockets, the low water mark and socket error handling is identical to the EVFILT_READ case. |
