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authorRusty Russell <rusty@rustcorp.com.au>2012-03-22 10:47:27 +1030
committerRusty Russell <rusty@rustcorp.com.au>2012-03-22 01:57:38 +0100
commita93e03d27de573988263aa4e39e55e7edbe34069 (patch)
tree8ae240cf3575e129ffed86945123c626a765897a /lib/tdb2/tdb.c
parentaa5378602d8da09cccc9a435a6457245b13c2677 (diff)
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lib/tdb2: fix OpenBSD incoherent mmap (tdb2 version)
This handles incoherent mmaps for TDB2 native databases, by forcing mmap on for such systems, just like we did for tdb1. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'lib/tdb2/tdb.c')
-rw-r--r--lib/tdb2/tdb.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/tdb2/tdb.c b/lib/tdb2/tdb.c
index c9224bdeed..4ba6924645 100644
--- a/lib/tdb2/tdb.c
+++ b/lib/tdb2/tdb.c
@@ -386,7 +386,9 @@ _PUBLIC_ void tdb_add_flag(struct tdb_context *tdb, unsigned flag)
break;
case TDB_NOMMAP:
tdb->flags |= TDB_NOMMAP;
+#ifndef HAVE_INCOHERENT_MMAP
tdb_munmap(tdb->file);
+#endif
break;
case TDB_NOSYNC:
tdb->flags |= TDB_NOSYNC;
@@ -423,7 +425,10 @@ _PUBLIC_ void tdb_remove_flag(struct tdb_context *tdb, unsigned flag)
break;
case TDB_NOMMAP:
tdb->flags &= ~TDB_NOMMAP;
+#ifndef HAVE_INCOHERENT_MMAP
+ /* If mmap incoherent, we were mmaping anyway. */
tdb_mmap(tdb);
+#endif
break;
case TDB_NOSYNC:
tdb->flags &= ~TDB_NOSYNC;