From: Martin Mares <mj@ucw.cz>
Date: Sun, 11 Jan 2004 19:09:22 +0000 (+0000)
Subject: obuck_predict_last_oid() can be made safe easily.
X-Git-Tag: holmes-import~1138
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;ds=sidebyside;h=d9820b2d7d4b908bb9da441f5a35a7999d701e60;p=libucw.git

obuck_predict_last_oid() can be made safe easily.
---

diff --git a/lib/bucket.c b/lib/bucket.c
index a9422ca5..9d7b1d58 100644
--- a/lib/bucket.c
+++ b/lib/bucket.c
@@ -298,9 +298,11 @@ obuck_fetch(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);
-  return size >> OBUCK_SHIFT;
+  oid_t ss = size >> OBUCK_SHIFT;
+  obuck_unlock();
+  return ss;
 }
 
 struct fastbuf *