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| author | deischen <deischen@FreeBSD.org> | 2003-05-04 22:29:09 +0000 |
|---|---|---|
| committer | deischen <deischen@FreeBSD.org> | 2003-05-04 22:29:09 +0000 |
| commit | 3cb9ba9e43902d7a4cf096e0b6cd3f12eda1b92c (patch) | |
| tree | f349be58e219d80c1d742a23da9f54ca59e6b6c9 /lib/libpthread/sys/lock.h | |
| parent | 9328ad6bf8f2652faa7b7568504c1abe7e4b513a (diff) | |
| download | FreeBSD-src-3cb9ba9e43902d7a4cf096e0b6cd3f12eda1b92c.zip FreeBSD-src-3cb9ba9e43902d7a4cf096e0b6cd3f12eda1b92c.tar.gz | |
Protect against a race between granting a lock and accessing
other parts of the lock.
Submitted by: davidxu
Diffstat (limited to 'lib/libpthread/sys/lock.h')
| -rw-r--r-- | lib/libpthread/sys/lock.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/libpthread/sys/lock.h b/lib/libpthread/sys/lock.h index 449ad36..e397111 100644 --- a/lib/libpthread/sys/lock.h +++ b/lib/libpthread/sys/lock.h @@ -55,6 +55,7 @@ struct lockreq { struct lockuser *lr_watcher; /* only used for priority locks */ struct lockuser *lr_owner; /* only used for priority locks */ long lr_waiting; /* non-zero when wakeup needed */ + volatile long lr_handshake; /* non-zero when wakeup in progress */ }; struct lockuser { |
