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| author | kib <kib@FreeBSD.org> | 2006-08-21 12:45:19 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2006-08-21 12:45:19 +0000 |
| commit | 4bb293498f03b924b64e0987241f63cc81102adc (patch) | |
| tree | cda268d6caf405f62fa5af4bad5bb8736d4cbae9 /share | |
| parent | 65aa408be8b5ac931a4d3ad8dca722445517220a (diff) | |
| download | FreeBSD-src-4bb293498f03b924b64e0987241f63cc81102adc.zip FreeBSD-src-4bb293498f03b924b64e0987241f63cc81102adc.tar.gz | |
Note that LK_UPGRADE may drop the shared lock before taking the
exclusive one.
Reviewed and edited by: tegge
MFC after: 3 days
Approved by: pjd (mentor)
Diffstat (limited to 'share')
| -rw-r--r-- | share/man/man9/lock.9 | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/share/man/man9/lock.9 b/share/man/man9/lock.9 index cb14461..fbbced9 100644 --- a/share/man/man9/lock.9 +++ b/share/man/man9/lock.9 @@ -138,6 +138,8 @@ Attempts to upgrade an exclusive lock will cause a .It Dv LK_UPGRADE Upgrade a shared lock to an exclusive lock. If this call fails, the shared lock is lost. +During the upgrade, the shared lock could +be temporarily dropped. Attempts to upgrade an exclusive lock will cause a .Xr panic 9 . .It Dv LK_RELEASE |
