lstat_cache(): print a warning if doing ping-pong between cache types

diff --git a/sigchain.h b/sigchain.h
index 254ebb0fa69fc759e73de431721357209f72180d..618083bce0c66a551fd4d894b31520a67b25bac9 100644 (file)
--- a/sigchain.h
+++ b/sigchain.h
@@ -6,4 +6,6 @@ typedef void (*sigchain_fun)(int);
 int sigchain_push(int sig, sigchain_fun f);
 int sigchain_pop(int sig);
 
+void sigchain_push_common(sigchain_fun f);
+
 #endif /* SIGCHAIN_H */