obuck_predict_last_oid() can be made safe easily.

diff --git a/lib/bucket.c b/lib/bucket.c
index a9422ca549e1af205988011ba8e9c8948559549c..9d7b1d5892a643260a772a4a9ffb7cbf376894f1 100644 (file)
--- a/lib/bucket.c
+++ b/lib/bucket.c
@@ -298,9 +298,11 @@ obuck_fetch(void)
 oid_t
 obuck_predict_last_oid(void)
 {
 oid_t
 obuck_predict_last_oid(void)
 {

-  /* BEWARE: This is not fork-safe. */
+  obuck_lock_write();

   sh_off_t size = sh_seek(obuck_fd, 0, SEEK_END);
   sh_off_t size = sh_seek(obuck_fd, 0, SEEK_END);

-  return size >> OBUCK_SHIFT;
+  oid_t ss = size >> OBUCK_SHIFT;
+  obuck_unlock();
+  return ss;

 }
 
 struct fastbuf *
 }
 
 struct fastbuf *