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Import of oldpackages/db47

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Signed-off-by: Marcel Denia <naoir@gmx.net>
This commit is contained in:
Marcel Denia
2014-07-05 08:35:49 +02:00
parent f2a42f6380
commit 8024a6c323
4 changed files with 411 additions and 0 deletions
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libs/db47/patches/001-sequence_lock.patch
+56
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@@ -0,0 +1,56 @@
diff -ruN db-4.7.25.NC/sequence/sequence.c db-4.7.25.NC.new/sequence/sequence.c
--- db-4.7.25.NC/sequence/sequence.c 2008-05-05 22:25:09.000000000 +0200
+++ db-4.7.25.NC.new/sequence/sequence.c 2009-11-08 12:50:27.000000000 +0100
@@ -187,7 +187,11 @@
if ((ret = __db_get_flags(dbp, &tflags)) != 0)
goto err;
- if (DB_IS_READONLY(dbp)) {
+ /*
+ * We can let replication clients open sequences, but must
+ * check later that they do not update them.
+ */
+ if (F_ISSET(dbp, DB_AM_RDONLY)) {
ret = __db_rdonly(dbp->env, "DB_SEQUENCE->open");
goto err;
}
@@ -244,6 +248,11 @@
if ((ret != DB_NOTFOUND && ret != DB_KEYEMPTY) ||
!LF_ISSET(DB_CREATE))
goto err;
+ if (IS_REP_CLIENT(env) &&
+ !F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
+ ret = __db_rdonly(env, "DB_SEQUENCE->open");
+ goto err;
+ }
ret = 0;
rp = &seq->seq_record;
@@ -296,7 +305,12 @@
*/
rp = seq->seq_data.data;
if (rp->seq_version == DB_SEQUENCE_OLDVER) {
-oldver: rp->seq_version = DB_SEQUENCE_VERSION;
+oldver: if (IS_REP_CLIENT(env) &&
+ !F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
+ ret = __db_rdonly(env, "DB_SEQUENCE->open");
+ goto err;
+ }
+ rp->seq_version = DB_SEQUENCE_VERSION;
if (!F_ISSET(env, ENV_LITTLEENDIAN)) {
if (IS_DB_AUTO_COMMIT(dbp, txn)) {
if ((ret =
@@ -707,6 +721,13 @@
MUTEX_LOCK(env, seq->mtx_seq);
+ if (handle_check && IS_REP_CLIENT(env) &&
+ !F_ISSET(dbp, DB_AM_NOT_DURABLE)) {
+ ret = __db_rdonly(env, "DB_SEQUENCE->get");
+ goto err;
+ }
+
+
if (rp->seq_min + delta > rp->seq_max) {
__db_errx(env, "Sequence overflow");
ret = EINVAL;