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-rw-r--r--src/libstore/gc.hh3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/libstore/gc.hh b/src/libstore/gc.hh
index b6a367c4b..eb1858729 100644
--- a/src/libstore/gc.hh
+++ b/src/libstore/gc.hh
@@ -19,7 +19,8 @@ typedef enum {
closure of) the roots. If `action' is `gcReturnDead', return the
set of paths not reachable from the roots. If `action' is
`gcDeleteDead', actually delete the latter set. */
-void collectGarbage(GCAction action, PathSet & result);
+void collectGarbage(GCAction action, PathSet & result,
+ unsigned long long & bytesFreed);
/* Register a temporary GC root. This root will automatically
disappear when this process exits. WARNING: this function should