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#include <ccan/tdb2/private.h>
#include <unistd.h>
#include "tdb1-lock-tracking.h"
#define fcntl fcntl_with_lockcheck1
#include "tdb2-source.h"
#include <ccan/tap/tap.h>
#include <stdlib.h>
#include <err.h>
#include "logging.h"
#undef fcntl
#define NUM_ENTRIES 10
static bool prepare_entries(struct tdb_context *tdb)
{
unsigned int i;
TDB_DATA key, data;
for (i = 0; i < NUM_ENTRIES; i++) {
key.dsize = sizeof(i);
key.dptr = (void *)&i;
data.dsize = strlen("world");
data.dptr = (void *)"world";
if (tdb_store(tdb, key, data, 0) != TDB_SUCCESS)
return false;
}
return true;
}
static void delete_entries(struct tdb_context *tdb)
{
unsigned int i;
TDB_DATA key;
for (i = 0; i < NUM_ENTRIES; i++) {
key.dsize = sizeof(i);
key.dptr = (void *)&i;
ok1(tdb_delete(tdb, key) == TDB_SUCCESS);
}
}
/* We don't know how many times this will run. */
static int delete_other(struct tdb_context *tdb, TDB_DATA key, TDB_DATA data,
void *private_data)
{
unsigned int i;
memcpy(&i, key.dptr, 4);
i = (i + 1) % NUM_ENTRIES;
key.dptr = (void *)&i;
if (tdb_delete(tdb, key) != TDB_SUCCESS)
(*(int *)private_data)++;
return 0;
}
static int delete_self(struct tdb_context *tdb, TDB_DATA key, TDB_DATA data,
void *private_data)
{
ok1(tdb_delete(tdb, key) == TDB_SUCCESS);
return 0;
}
int main(int argc, char *argv[])
{
struct tdb_context *tdb;
int errors = 0;
union tdb_attribute hsize;
hsize.base.attr = TDB_ATTRIBUTE_TDB1_HASHSIZE;
hsize.base.next = &tap_log_attr;
hsize.tdb1_hashsize.hsize = 1024;
plan_tests(40);
tdb = tdb_open("run-no-lock-during-traverse.tdb1",
TDB_VERSION1, O_CREAT|O_TRUNC|O_RDWR,
0600, &hsize);
ok1(tdb);
ok1(prepare_entries(tdb));
ok1(locking_errors1 == 0);
ok1(tdb_lockall(tdb) == 0);
ok1(locking_errors1 == 0);
ok1(tdb_traverse(tdb, delete_other, &errors) >= 0);
ok1(errors == 0);
ok1(locking_errors1 == 0);
tdb_unlockall(tdb);
ok1(prepare_entries(tdb));
ok1(locking_errors1 == 0);
ok1(tdb_lockall(tdb) == 0);
ok1(locking_errors1 == 0);
ok1(tdb_traverse(tdb, delete_self, NULL) == NUM_ENTRIES);
ok1(locking_errors1 == 0);
tdb_unlockall(tdb);
ok1(prepare_entries(tdb));
ok1(locking_errors1 == 0);
ok1(tdb_lockall(tdb) == 0);
ok1(locking_errors1 == 0);
delete_entries(tdb);
ok1(locking_errors1 == 0);
tdb_unlockall(tdb);
ok1(tdb_close(tdb) == 0);
return exit_status();
}
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