mirror of
https://github.com/MariaDB/server.git
synced 2025-01-22 23:04:20 +01:00
100 lines
3.1 KiB
C
100 lines
3.1 KiB
C
#ident "$Id$"
|
|
#ident "Copyright (c) 2007-2011 Tokutek Inc. All rights reserved."
|
|
#include "includes.h"
|
|
#include "test.h"
|
|
|
|
CACHETABLE ct;
|
|
|
|
CACHEFILE f1;
|
|
|
|
static void
|
|
unlock_test_fun (void *v) {
|
|
assert(v == NULL);
|
|
// CT lock is held
|
|
int r = toku_cachetable_unpin_ct_prelocked_no_flush(f1, make_blocknum(2), 2, CACHETABLE_CLEAN, make_pair_attr(8));
|
|
assert(r==0);
|
|
}
|
|
|
|
static void
|
|
run_test (void) {
|
|
const int test_limit = 20;
|
|
int r;
|
|
ct = NULL;
|
|
r = toku_create_cachetable(&ct, test_limit, ZERO_LSN, NULL_LOGGER); assert(r == 0);
|
|
char fname1[] = __FILE__ "test1.dat";
|
|
unlink(fname1);
|
|
f1 = NULL;
|
|
r = toku_cachetable_openf(&f1, ct, fname1, O_RDWR|O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO); assert(r == 0);
|
|
|
|
void* v1;
|
|
void* v2;
|
|
long s1;
|
|
long s2;
|
|
|
|
r = toku_cachetable_get_and_pin(f1, make_blocknum(1), 1, &v1, &s1, def_write_callback(NULL), def_fetch, def_pf_req_callback, def_pf_callback, TRUE, NULL);
|
|
r = toku_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_CLEAN, make_pair_attr(8)); assert(r==0);
|
|
|
|
for (int i = 0; i < 20; i++) {
|
|
r = toku_cachetable_get_and_pin(f1, make_blocknum(2), 2, &v2, &s2, def_write_callback(NULL), def_fetch, def_pf_req_callback, def_pf_callback, TRUE, NULL);
|
|
r = toku_cachetable_unpin(f1, make_blocknum(2), 2, CACHETABLE_CLEAN, make_pair_attr(8)); assert(r==0);
|
|
}
|
|
|
|
//
|
|
// so at this point, we have 16 bytes in the cachetable that has a limit of 20 bytes
|
|
// block 2 has been touched much more than block 1, so if one had to be evicted,
|
|
// it would be block 2
|
|
//
|
|
|
|
|
|
// pin 1 and 2
|
|
r = toku_cachetable_get_and_pin(f1, make_blocknum(1), 1, &v2, &s2, def_write_callback(NULL), def_fetch, def_pf_req_callback, def_pf_callback, TRUE, NULL);
|
|
r = toku_cachetable_begin_checkpoint(ct, NULL);
|
|
// mark nodes as pending a checkpoint, so that get_and_pin_nonblocking on block 1 will return TOKUDB_TRY_AGAIN
|
|
r = toku_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_DIRTY, make_pair_attr(8)); assert(r==0);
|
|
|
|
r = toku_cachetable_get_and_pin(f1, make_blocknum(2), 2, &v2, &s2, def_write_callback(NULL), def_fetch, def_pf_req_callback, def_pf_callback, TRUE, NULL);
|
|
// now we try to pin 1, and it should get evicted out from under us
|
|
struct unlockers foo;
|
|
foo.extra = NULL;
|
|
foo.locked = TRUE;
|
|
foo.f = unlock_test_fun;
|
|
foo.next = NULL;
|
|
r = toku_cachetable_get_and_pin_nonblocking(
|
|
f1,
|
|
make_blocknum(1),
|
|
1,
|
|
&v1,
|
|
&s1,
|
|
def_write_callback(NULL),
|
|
def_fetch,
|
|
def_pf_req_callback,
|
|
def_pf_callback,
|
|
TRUE,
|
|
NULL,
|
|
&foo
|
|
);
|
|
assert(r==TOKUDB_TRY_AGAIN);
|
|
|
|
r = toku_cachetable_end_checkpoint(
|
|
ct,
|
|
NULL,
|
|
fake_ydb_lock,
|
|
fake_ydb_unlock,
|
|
NULL,
|
|
NULL
|
|
);
|
|
assert(r==0);
|
|
|
|
toku_cachetable_verify(ct);
|
|
r = toku_cachefile_close(&f1, 0, FALSE, ZERO_LSN); assert(r == 0);
|
|
r = toku_cachetable_close(&ct); lazy_assert_zero(r);
|
|
|
|
|
|
}
|
|
|
|
int
|
|
test_main(int argc, const char *argv[]) {
|
|
default_parse_args(argc, argv);
|
|
run_test();
|
|
return 0;
|
|
}
|