diff options
| author | Konstantin Belousov <kib@FreeBSD.org> | 2026-06-29 06:09:17 +0000 |
|---|---|---|
| committer | Konstantin Belousov <kib@FreeBSD.org> | 2026-06-29 06:11:23 +0000 |
| commit | 65251c43415aa0993b7d43962cbb71d772870c83 (patch) | |
| tree | e6ba1812679e38cf0dc7c5eca6d912affb0c41ec | |
| parent | d036b3b348d3f7be21f79461d7ad48e97b088ba8 (diff) | |
ntsync.4: be explicit about the effect of automatic vs manual event on waiters
Sponsored by: The FreeBSD Foundation
MFC after: 3 days
| -rw-r--r-- | share/man/man4/ntsync.4 | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/share/man/man4/ntsync.4 b/share/man/man4/ntsync.4 index 2776a4b0e691..c808dfdac3b4 100644 --- a/share/man/man4/ntsync.4 +++ b/share/man/man4/ntsync.4 @@ -183,9 +183,15 @@ Reset (dis-arms) the event. Takes a 32bit integer argument where the state of the event before the operation is returned. .It Dv NTSYNC_IOC_EVENT_PULSE -Atomically sets and then resets the event. +Atomically sets the event, wakes up eligible waiters, +and then resets the event. Takes a 32bit integer argument where the state of the event before the operation is returned. +.Pp +If the manual event is pulsed, it wakes up all waiters, +after which it is reset. +On the other hand, the automatic event is reset after +waking up at most a single waiter. .It Dv NTSYNC_IOC_EVENT_READ Returns the current state of the event. Takes the |