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Fix a freelist trashing under following confitions:

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- first program lock a region in a file,
- second program wait on the lock,
- first program extend the region,
- second program interrupted by a signal.
This commit is contained in:
dt 1999-05-08 22:46:46 +00:00
parent 5229d3887a
commit 22ec213e41
1 changed files with 2 additions and 1 deletions
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3
sys/kern/kern_lockf.c
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@ -34,7 +34,7 @@
* SUCH DAMAGE. * SUCH DAMAGE.
* *
* @(#)ufs_lockf.c 8.3 (Berkeley) 1/6/94 * @(#)ufs_lockf.c 8.3 (Berkeley) 1/6/94
* $Id: kern_lockf.c,v 1.20 1998/11/10 09:16:29 peter Exp $ * $Id: kern_lockf.c,v 1.21 1999/01/27 21:49:56 dillon Exp $
*/ */
#include "opt_debug_lockf.h" #include "opt_debug_lockf.h"
@ -365,6 +365,7 @@ lf_setlock(lock)
lf_block); lf_block);
TAILQ_INSERT_TAIL(&lock->lf_blkhd, TAILQ_INSERT_TAIL(&lock->lf_blkhd,
ltmp, lf_block); ltmp, lf_block);
ltmp->lf_next = lock;
} }
} }
/* /*