tdb2: check PID if we are holding a lock.
[ccan] / ccan / darray /
drwxr-xr-x   ..
lrwxrwxrwx 22 LICENSE -> ../../licenses/BSD-MIT
-rw-r--r-- 1038 _info
-rw-r--r-- 12336 darray.h
drwxr-xr-x - test