diff options
Diffstat (limited to 'src/libstore/store.hh')
| -rw-r--r-- | src/libstore/store.hh | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/libstore/store.hh b/src/libstore/store.hh index 2d8018d5f..c617585ba 100644 --- a/src/libstore/store.hh +++ b/src/libstore/store.hh @@ -37,8 +37,14 @@ struct Substitute typedef list<Substitute> Substitutes; -/* Open the database environment. */ -void openDB(); +/* Open the database environment. If `reserveSpace' is true, make + sure that a big empty file exists in /nix/var/nix/db/reserved. If + `reserveSpace' is false, delete this file if it exists. The idea + is that on normal operation, the file exists; but when we run the + garbage collector, it is deleted. This is to ensure that the + garbage collector has a small amount of disk space available, which + is required to open the Berkeley DB environment. */ +void openDB(bool reserveSpace = true); /* Create the required database tables. */ void initDB(); |