[SCM] Samba Shared Repository - branch master updated
Simo Sorce
idra at samba.org
Fri Mar 26 13:25:37 MDT 2010
The branch, master has been updated
via c1f6f61... tdb: update exports and signatures files
via 261c3b4... tdb: Add a non-blocking version of tdb_transaction_start
from d570a0a... s4:auth/credentials/credentials.c - initialise more content
http://gitweb.samba.org/?p=samba.git;a=shortlog;h=master
- Log -----------------------------------------------------------------
commit c1f6f61f620e865516d1856c9d937b5326a29046
Author: Simo Sorce <idra at samba.org>
Date: Fri Mar 26 15:21:15 2010 -0400
tdb: update exports and signatures files
commit 261c3b4f1beed820647061bacbee3acccbcbb089
Author: Volker Lendecke <vl at samba.org>
Date: Fri Mar 26 13:18:33 2010 +0100
tdb: Add a non-blocking version of tdb_transaction_start
-----------------------------------------------------------------------
Summary of changes:
lib/tdb/common/lock.c | 5 +++--
lib/tdb/common/tdb_private.h | 3 ++-
lib/tdb/common/transaction.c | 17 +++++++++++++++--
lib/tdb/common/traverse.c | 4 ++--
lib/tdb/configure.ac | 2 +-
lib/tdb/include/tdb.h | 1 +
lib/tdb/tdb.exports | 1 +
lib/tdb/tdb.signatures | 1 +
source3/configure.in | 2 +-
9 files changed, 27 insertions(+), 9 deletions(-)
Changeset truncated at 500 lines:
diff --git a/lib/tdb/common/lock.c b/lib/tdb/common/lock.c
index 0b130a8..285b7a3 100644
--- a/lib/tdb/common/lock.c
+++ b/lib/tdb/common/lock.c
@@ -472,9 +472,10 @@ int tdb_unlock(struct tdb_context *tdb, int list, int ltype)
/*
get the transaction lock
*/
-int tdb_transaction_lock(struct tdb_context *tdb, int ltype)
+int tdb_transaction_lock(struct tdb_context *tdb, int ltype,
+ enum tdb_lock_flags lockflags)
{
- return tdb_nest_lock(tdb, TRANSACTION_LOCK, ltype, TDB_LOCK_WAIT);
+ return tdb_nest_lock(tdb, TRANSACTION_LOCK, ltype, lockflags);
}
/*
diff --git a/lib/tdb/common/tdb_private.h b/lib/tdb/common/tdb_private.h
index 4e979ac..b23b76a 100644
--- a/lib/tdb/common/tdb_private.h
+++ b/lib/tdb/common/tdb_private.h
@@ -232,7 +232,8 @@ int tdb_brunlock(struct tdb_context *tdb,
int rw_type, tdb_off_t offset, size_t len);
bool tdb_have_extra_locks(struct tdb_context *tdb);
void tdb_release_transaction_locks(struct tdb_context *tdb);
-int tdb_transaction_lock(struct tdb_context *tdb, int ltype);
+int tdb_transaction_lock(struct tdb_context *tdb, int ltype,
+ enum tdb_lock_flags lockflags);
int tdb_transaction_unlock(struct tdb_context *tdb, int ltype);
int tdb_allrecord_lock(struct tdb_context *tdb, int ltype,
enum tdb_lock_flags flags, bool upgradable);
diff --git a/lib/tdb/common/transaction.c b/lib/tdb/common/transaction.c
index 504d0f6..304a03f 100644
--- a/lib/tdb/common/transaction.c
+++ b/lib/tdb/common/transaction.c
@@ -421,7 +421,8 @@ static const struct tdb_methods transaction_methods = {
start a tdb transaction. No token is returned, as only a single
transaction is allowed to be pending per tdb_context
*/
-int tdb_transaction_start(struct tdb_context *tdb)
+static int _tdb_transaction_start(struct tdb_context *tdb,
+ enum tdb_lock_flags lockflags)
{
/* some sanity checks */
if (tdb->read_only || (tdb->flags & TDB_INTERNAL) || tdb->traverse_read) {
@@ -473,9 +474,12 @@ int tdb_transaction_start(struct tdb_context *tdb)
/* get the transaction write lock. This is a blocking lock. As
discussed with Volker, there are a number of ways we could
make this async, which we will probably do in the future */
- if (tdb_transaction_lock(tdb, F_WRLCK) == -1) {
+ if (tdb_transaction_lock(tdb, F_WRLCK, lockflags) == -1) {
SAFE_FREE(tdb->transaction->blocks);
SAFE_FREE(tdb->transaction);
+ if ((lockflags & TDB_LOCK_WAIT) == 0) {
+ tdb->ecode = TDB_ERR_NOLOCK;
+ }
return -1;
}
@@ -525,6 +529,15 @@ fail_allrecord_lock:
return -1;
}
+int tdb_transaction_start(struct tdb_context *tdb)
+{
+ return _tdb_transaction_start(tdb, TDB_LOCK_WAIT);
+}
+
+int tdb_transaction_start_nonblock(struct tdb_context *tdb)
+{
+ return _tdb_transaction_start(tdb, TDB_LOCK_NOWAIT|TDB_LOCK_PROBE);
+}
/*
sync to disk
diff --git a/lib/tdb/common/traverse.c b/lib/tdb/common/traverse.c
index baaf58a..d77086a 100644
--- a/lib/tdb/common/traverse.c
+++ b/lib/tdb/common/traverse.c
@@ -220,7 +220,7 @@ int tdb_traverse_read(struct tdb_context *tdb,
/* we need to get a read lock on the transaction lock here to
cope with the lock ordering semantics of solaris10 */
- if (tdb_transaction_lock(tdb, F_RDLCK)) {
+ if (tdb_transaction_lock(tdb, F_RDLCK, TDB_LOCK_WAIT)) {
return -1;
}
@@ -251,7 +251,7 @@ int tdb_traverse(struct tdb_context *tdb,
return tdb_traverse_read(tdb, fn, private_data);
}
- if (tdb_transaction_lock(tdb, F_WRLCK)) {
+ if (tdb_transaction_lock(tdb, F_WRLCK, TDB_LOCK_WAIT)) {
return -1;
}
diff --git a/lib/tdb/configure.ac b/lib/tdb/configure.ac
index 3951219..4e36779 100644
--- a/lib/tdb/configure.ac
+++ b/lib/tdb/configure.ac
@@ -2,7 +2,7 @@ AC_PREREQ(2.50)
AC_DEFUN([SMB_MODULE_DEFAULT], [echo -n ""])
AC_DEFUN([SMB_LIBRARY_ENABLE], [echo -n ""])
AC_DEFUN([SMB_ENABLE], [echo -n ""])
-AC_INIT(tdb, 1.2.1)
+AC_INIT(tdb, 1.2.2)
AC_CONFIG_SRCDIR([common/tdb.c])
AC_CONFIG_HEADER(include/config.h)
AC_LIBREPLACE_ALL_CHECKS
diff --git a/lib/tdb/include/tdb.h b/lib/tdb/include/tdb.h
index c9e946a..c84a398 100644
--- a/lib/tdb/include/tdb.h
+++ b/lib/tdb/include/tdb.h
@@ -130,6 +130,7 @@ int tdb_fd(struct tdb_context *tdb);
tdb_log_func tdb_log_fn(struct tdb_context *tdb);
void *tdb_get_logging_private(struct tdb_context *tdb);
int tdb_transaction_start(struct tdb_context *tdb);
+int tdb_transaction_start_nonblock(struct tdb_context *tdb);
int tdb_transaction_prepare_commit(struct tdb_context *tdb);
int tdb_transaction_commit(struct tdb_context *tdb);
int tdb_transaction_cancel(struct tdb_context *tdb);
diff --git a/lib/tdb/tdb.exports b/lib/tdb/tdb.exports
index cf287d8..df97eb5 100644
--- a/lib/tdb/tdb.exports
+++ b/lib/tdb/tdb.exports
@@ -53,6 +53,7 @@
tdb_transaction_prepare_commit;
tdb_transaction_recover;
tdb_transaction_start;
+ tdb_transaction_start_nonblock;
tdb_traverse;
tdb_traverse_read;
tdb_unlockall;
diff --git a/lib/tdb/tdb.signatures b/lib/tdb/tdb.signatures
index 61b8c1d..7706d18 100644
--- a/lib/tdb/tdb.signatures
+++ b/lib/tdb/tdb.signatures
@@ -34,6 +34,7 @@ int tdb_transaction_commit (struct tdb_context *);
int tdb_transaction_prepare_commit (struct tdb_context *);
int tdb_transaction_recover (struct tdb_context *);
int tdb_transaction_start (struct tdb_context *);
+int tdb_transaction_start_nonblock (struct tdb_context *);
int tdb_traverse_read (struct tdb_context *, tdb_traverse_func, void *);
int tdb_traverse (struct tdb_context *, tdb_traverse_func, void *);
int tdb_unlockall_read (struct tdb_context *);
diff --git a/source3/configure.in b/source3/configure.in
index 32754e7..76526d9 100644
--- a/source3/configure.in
+++ b/source3/configure.in
@@ -1977,7 +1977,7 @@ AC_ARG_ENABLE(external_libtdb,
if test "x$enable_external_libtdb" != xno
then
- PKG_CHECK_MODULES(LIBTDB, tdb >= 1.2.1,
+ PKG_CHECK_MODULES(LIBTDB, tdb >= 1.2.2,
[ enable_external_libtdb=yes ],
[
if test x$enable_external_libtdb = xyes; then
--
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