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author | kib <kib@FreeBSD.org> | 2013-09-29 18:02:23 +0000 |
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committer | kib <kib@FreeBSD.org> | 2013-09-29 18:02:23 +0000 |
commit | 632f1d29f39402167db9069d25e9bdc974b29c88 (patch) | |
tree | e521a2a30027732330389023ab5d36a15df225fc /contrib/bind9/lib/isc/unix/syslog.c | |
parent | f093c579801a670d1ae7a75f29919c66b2adae40 (diff) | |
download | FreeBSD-src-632f1d29f39402167db9069d25e9bdc974b29c88.zip FreeBSD-src-632f1d29f39402167db9069d25e9bdc974b29c88.tar.gz |
Add LK_TRYUPGRADE operation for lockmgr(9), which attempts to
atomically upgrade shared lock to exclusive. On failure, error is
returned and lock is not dropped in the process.
Tested by: pho (previous version)
No objections from: attilio
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Approved by: re (glebius)
Diffstat (limited to 'contrib/bind9/lib/isc/unix/syslog.c')
0 files changed, 0 insertions, 0 deletions