tdb2: more stats

[ccan] / ccan / tdb2 / lock.c

diff --git a/ccan/tdb2/lock.c b/ccan/tdb2/lock.c
index 49313a5419cb7b83b7f672aaff32f5942ddf079b..666aa09038a731d2f8c0b36d605c08c8d5409235 100644 (file)
--- a/ccan/tdb2/lock.c
+++ b/ccan/tdb2/lock.c
@@ -99,16 +99,21 @@ int tdb_fcntl_unlock(int fd, int rw, off_t off, off_t len, void *unused)
 static int lock(struct tdb_context *tdb,
                      int rw, off_t off, off_t len, bool waitflag)
 {
+       int ret;
        if (tdb->file->allrecord_lock.count == 0
            && tdb->file->num_lockrecs == 0) {
                tdb->file->locker = getpid();
        }
 
        tdb->stats.lock_lowlevel++;
-       if (!waitflag)
+       ret = tdb->lock_fn(tdb->file->fd, rw, off, len, waitflag,
+                          tdb->lock_data);
+       if (!waitflag) {
                tdb->stats.lock_nonblock++;
-       return tdb->lock_fn(tdb->file->fd, rw, off, len, waitflag,
-                           tdb->lock_data);
+               if (ret != 0)
+                       tdb->stats.lock_nonblock_fail++;
+       }
+       return ret;
 }
 
 static int unlock(struct tdb_context *tdb, int rw, off_t off, off_t len)