diff options
| author | Volker Lendecke <vl@samba.org> | 2016-11-21 20:58:08 +0100 |
|---|---|---|
| committer | Jeremy Allison <jra@samba.org> | 2016-11-29 20:03:25 +0100 |
| commit | 5ce95abf37d5646dd5a6ed9acc018f0ab5d1023c (patch) | |
| tree | a62133402d774c62066c56c8eabf76b30c1f753b /lib | |
| parent | a2843cfd4dca32ccb9e97f20a9119f131db3b9d1 (diff) | |
| download | samba-5ce95abf37d5646dd5a6ed9acc018f0ab5d1023c.tar.gz | |
tdb: Only mmap the mutex area if not already mmap'ed
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12455
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/tdb/common/mutex.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/tdb/common/mutex.c b/lib/tdb/common/mutex.c index 3420d21f348..3df9f5b06ad 100644 --- a/lib/tdb/common/mutex.c +++ b/lib/tdb/common/mutex.c @@ -623,6 +623,10 @@ int tdb_mutex_mmap(struct tdb_context *tdb) return 0; } + if (tdb->mutexes != NULL) { + return 0; + } + ptr = mmap(NULL, len, PROT_READ|PROT_WRITE, MAP_SHARED|MAP_FILE, tdb->fd, 0); if (ptr == MAP_FAILED) { |