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* tdb: Fix CID 1034842 Resource leakHEADmasterVolker Lendecke2015-03-111-0/+1
| | | | | | | | Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Ira Cooper <ira@samba.org> Autobuild-User(master): Volker Lendecke <vl@samba.org> Autobuild-Date(master): Wed Mar 11 00:23:20 CET 2015 on sn-devel-104
* tdb: Fix CID 1034841 Resource leakVolker Lendecke2015-03-101-3/+5
| | | | | Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Ira Cooper <ira@samba.org>
* tdb/test: add tdb1-run-mutex-transaction1 testStefan Metzmacher2014-12-191-0/+236
| | | | | | | Bug: https://bugzilla.samba.org/show_bug.cgi?id=11004 Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Amitay Isaacs <amitay@gmail.com>
* tdb/test: TDB_CLEAR_IF_FIRST | TDB_MUTEX_LOCKING, O_RDONLY is a valid ↵Stefan Metzmacher2014-12-021-2/+3
| | | | | | | | | | | | | | | combination This used to be invalid in the early developement code, but now we're able to open a tdb with mutex area and TDB_NOLOCK without problems. O_RDONLY implies TDB_NOLOCK... This should have been part of commit c8d05e934ea03fffbc34944d2d51a016b89a7eca. Bug: https://bugzilla.samba.org/show_bug.cgi?id=10781 Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Volker Lendecke <vl@samba.org>
* tdb/test: add marklock deadlock testVolker Lendecke2014-05-221-0/+278
| | | | | | | | | Pair-Programmed-With: Stefan Metzmacher <metze@samba.org> Pair-Programmed-With: Michael Adam <obnox@samba.org> Signed-off-by: Volker Lendecke <vl@samba.org> Signed-off-by: Stefan Metzmacher <metze@samba.org> Signed-off-by: Michael Adam <obnox@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tdb/test: add mutex related testsVolker Lendecke2014-05-227-0/+996
| | | | | | | | | Pair-Programmed-With: Stefan Metzmacher <metze@samba.org> Pair-Programmed-With: Michael Adam <obnox@samba.org> Signed-off-by: Volker Lendecke <vl@samba.org> Signed-off-by: Stefan Metzmacher <metze@samba.org> Signed-off-by: Michael Adam <obnox@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tdb: add TDB_MUTEX_LOCKING supportVolker Lendecke2014-05-2222-0/+22
| | | | | | | | | | | | | | | | | | | | | | | | This adds optional support for locking based on shared robust mutexes. The caller can use the TDB_MUTEX_LOCKING flag together with TDB_CLEAR_IF_FIRST after verifying with tdb_runtime_check_for_robust_mutexes() that it's supported by the current system. The caller should be aware that using TDB_MUTEX_LOCKING implies some limitations, e.g. it's not possible to have multiple read chainlocks on a given hash chain from multiple processes. Note: that this doesn't make tdb thread safe! Pair-Programmed-With: Stefan Metzmacher <metze@samba.org> Pair-Programmed-With: Michael Adam <obnox@samba.org> Signed-off-by: Volker Lendecke <vl@samba.org> Signed-off-by: Stefan Metzmacher <metze@samba.org> Signed-off-by: Michael Adam <obnox@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tdb: introduce tdb->hdr_ofsVolker Lendecke2014-05-221-3/+3
| | | | | | | | | | | | | | This makes it possible to have some extra headers before the real tdb content starts in the file. This will be used used e.g. to implement locking based on robust mutexes. Pair-Programmed-With: Stefan Metzmacher <metze@samba.org> Pair-Programmed-With: Michael Adam <obnox@samba.org> Signed-off-by: Volker Lendecke <vl@samba.org> Signed-off-by: Stefan Metzmacher <metze@samba.org> Signed-off-by: Michael Adam <obnox@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tdb/test: add UNMAP command to external-agent.cVolker Lendecke2014-05-222-0/+8
| | | | | | Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tdb/test: add PING command to external-agent.cVolker Lendecke2014-05-222-0/+5
| | | | | | Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tdb/test: add shutdown_agent() helper functionVolker Lendecke2014-05-222-6/+21
| | | | | | Signed-off-by: Volker Lendecke <vl@samba.org> Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tdb/test: add a "skip()" macro.Stefan Metzmacher2014-05-221-0/+1
| | | | | | Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Michael Adam <obnox@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tdb/test: correctly use stderr, not stdout, in fail()Stefan Metzmacher2014-05-221-1/+1
| | | | | | Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Michael Adam <obnox@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* tdb/test: avoid const warnings by using 'discard_const_p(uint8_t,' instead ↵Stefan Metzmacher2014-04-0218-34/+34
| | | | | | | of '(void *)' Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
* tdb/test: remove "\n" in diag() argumentsStefan Metzmacher2014-04-022-2/+2
| | | | | | | diag() already adds "\n". Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
* tdb/test: always call fflush() after [f]printf() in tap-interface.hStefan Metzmacher2014-04-021-4/+22
| | | | | Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
* lib/tdb: fix compiler warningsChristian Ambach2013-12-121-3/+3
| | | | | | | about a variable shadowing a global declaration Signed-off-by: Christian Ambach <ambi@samba.org> Reviewed-by: Jeremy Allison <jra@samba.org>
* Fix bug 10025 - Lack of Sanity Checking in calls to malloc()/calloc().Bill Parker2013-07-171-0/+5
| | | | | | | | | | | | | In reviewing various files in Samba-4.0.7, I found a number of instances where malloc()/calloc() were called without the checking the return value for a value of NULL, which would indicate failure. (NB. The changes needed to ccan, iniparser, popt and heimdal will be reported upstream, not patched inside Samba). Reviewed-by: Jeremy Allison <jra@samba.org> Reviewed-by: Simo Source <idra@samba.org>
* tdb: Enhance lock tracking a bitVolker Lendecke2013-02-191-0/+11
| | | | | | | | | | | | | | | lock-tracking.c mirrors the in-kernel fcntl structures to detect unexpected use of fcntl calls. During my mutex work I changed our fcntl use so that we unlock the allrecord_lock in two pieces: The range covering the hash locks and the range covering the data area for the individual traverse record locks. Splitting locks is not covered by lock-tracking.c. This patch extends lock-tracking.c with this little piece. It's still far from complete to track the full range of fcntl semantics. It is not strictly needed right now, but it does not hurt either. Signed-off-by: Volker Lendecke <vl@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
* tdb: add tdb_rescue()Rusty Russell2012-10-042-0/+176
| | | | | | | | This allows for an emergency best-effort dump. It's a little better than strings(1). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* tdb/test: fix build on OSF/1Björn Jacke2012-08-101-15/+15
| | | | | Autobuild-User(master): Björn Jacke <bj@sernet.de> Autobuild-Date(master): Fri Aug 10 23:33:20 CEST 2012 on sn-devel-104
* lib/tdb: Fix format string errors found by -Werror=format in tdb testsAndrew Bartlett2012-07-301-4/+4
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* tdb: finish weaning off err.h.Rusty Russell2012-06-267-23/+28
| | | | | | | | | | | | | Commit 3c4263e7580143c69225729f5b67f09c00add2fd said it removed err.h from tdb, unfortuntely it didn't: tap-interface.h still included it. This finishes it properly! Reported-by:Stefan Metzmacher <metze@samba.org> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Autobuild-User(master): Rusty Russell <rusty@rustcorp.com.au> Autobuild-Date(master): Tue Jun 26 10:22:03 CEST 2012 on sn-devel-104
* tdb: don't use err.h in tests.Rusty Russell2012-06-2221-22/+1
| | | | | | | | | | It's not portable. While we could use ccan/err, it seems overkill since we actually only use it in one test (I obviously cut & paste the #include). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Autobuild-User(master): Rusty Russell <rusty@rustcorp.com.au> Autobuild-Date(master): Fri Jun 22 09:22:28 CEST 2012 on sn-devel-104
* tdb: make TDB_NOSYNC merely disable sync.Rusty Russell2012-06-221-2/+12
| | | | | | | | | | | | | | | | (As suggested by Stefan Metzmacher, based on the change to ntdb.) Since commit ec96ea690edbe3398d690b4a953d487ca1773f1c, we handle the case where a process dies during a transaction commit. Unfortunately, TDB_NOSYNC means this no longer works, as it disables the recovery area as well as the actual msync/fsync. We should do everything except the syncs. This also means we can do a complete test with $TDB_NO_FSYNC set; just to get more complete coverage, we disable it explicitly for one test (where we override the actual sync calls anyway). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* lib/tdb: fix test/run-die-during-transaction when HAVE_INCOHERENT_MMAP.Rusty Russell2012-03-231-0/+5
| | | | | | | | Since we force mmap on, we don't intercept writes to the db, so we never see it in an inconsistent state. #ifdef over the check that we should have recovered it at least once. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* lib/tdb: fix OpenBSD incoherent mmap.Rusty Russell2012-03-221-4/+23
| | | | | | | | | | | | | | | | | | | | | | | This comment appears in two places in the code (commit 4c6a8273c6dd3e2aeda5a63c4a62aa55bc133099 from 2001): /* * We must ensure the file is unmapped before doing this * to ensure consistency with systems like OpenBSD where * writes and mmaps are not consistent. */ But this doesn't help, because if one process is using mmap and another using pwrite, we get incoherent results. As demonstrated by OpenBSD's failure on the tdb unit tests. Rather than disable mmap on OpenBSD, we test for this issue and force mmap to be enabled. This means that we will fail on very large TDBs on 32-bit systems, but it's better than the horrendous performance penalty on every OpenBSD system. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* lib/tdb: fix up run-die-during-transaction test cases on Solaris.Rusty Russell2012-03-224-5/+4
| | | | | | | | | | By using a different include order, we end up with a different version of FILE_OFFSET_BITS (and probably other things) in parts of the test. The different variants get linked together, and the result is weird: the stat returns 0 size. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* lib/tdb: remove unnecessary XOPEN and FILE_OFFSET_BITS defines in test/Rusty Russell2012-03-1417-20/+0
| | | | | | | | | | These were relics: they don't need to be defined here as long as we are careful to include the replace headers before any standard headers (we are). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Autobuild-User: Rusty Russell <rusty@rustcorp.com.au> Autobuild-Date: Wed Mar 14 10:12:26 CET 2012 on sn-devel-104
* tdb/test: fix up tests for use in SAMBA tdb code.Rusty Russell2012-02-145-13/+16
| | | | | | | | | | | 1) Make sure we include "tdb_private.h" first, to get the right headers (esp. the correct setting of _FILE_OFFSET_BITS before unistd.h). 2) Fix 3G file test since expand logic has changed. 3) Fix nested transaction test, since default is to allow nesting. 4) Capture fdatasync, which was slowing down transaction expand. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* tdb: wean CCAN-style unit tests off of tap.Rusty Russell2012-02-1425-23/+64
| | | | | | | | We could use subunit, but that's overkill. Just print messages when we fail, and use exit status. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
* tdb: import unit tests from CCAN into tdb/test/Rusty Russell2012-02-1434-0/+2566
I pulled tdb into CCAN as an experiment a while ago; it doesn't belong there, but it has accumulated some important unit tests. These are copied from CCAN version init-1486-gc438ec1 with #include "../" changed to #include "../common/". Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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