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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>
51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
#include "../common/tdb_private.h"
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#include "../common/io.c"
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#include "../common/tdb.c"
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#include "../common/lock.c"
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#include "../common/freelist.c"
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#include "../common/traverse.c"
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#include "../common/transaction.c"
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#include "../common/error.c"
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#include "../common/open.c"
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#include "../common/check.c"
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#include "../common/hash.c"
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#include "../common/mutex.c"
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#include "tap-interface.h"
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#include <stdlib.h>
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#include "logging.h"
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int main(int argc, char *argv[])
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{
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struct tdb_context *tdb;
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plan_tests(8);
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/* Old format (with zeroes in the hash magic fields) should
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* open with any hash (since we don't know what hash they used). */
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tdb = tdb_open_ex("test/old-nohash-le.tdb", 0, 0, O_RDWR, 0,
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&taplogctx, NULL);
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ok1(tdb);
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ok1(tdb_check(tdb, NULL, NULL) == 0);
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tdb_close(tdb);
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tdb = tdb_open_ex("test/old-nohash-be.tdb", 0, 0, O_RDWR, 0,
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&taplogctx, NULL);
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ok1(tdb);
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ok1(tdb_check(tdb, NULL, NULL) == 0);
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tdb_close(tdb);
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tdb = tdb_open_ex("test/old-nohash-le.tdb", 0, 0, O_RDWR, 0,
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&taplogctx, tdb_jenkins_hash);
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ok1(tdb);
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ok1(tdb_check(tdb, NULL, NULL) == 0);
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tdb_close(tdb);
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tdb = tdb_open_ex("test/old-nohash-be.tdb", 0, 0, O_RDWR, 0,
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&taplogctx, tdb_jenkins_hash);
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ok1(tdb);
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ok1(tdb_check(tdb, NULL, NULL) == 0);
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tdb_close(tdb);
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return exit_status();
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}
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