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/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
#ident "$Id$"
#ident "Copyright (c) 2007-2012 Tokutek Inc. All rights reserved."
#include "includes.h"
#include "test.h"
CACHETABLE ct;
//
// This test exposed a bug (#3970) caught only by Valgrind.
// freed memory was being accessed by toku_cachetable_unpin_and_remove
//
static void *run_end_chkpt(void *arg) {
assert(arg == NULL);
int r = toku_cachetable_end_checkpoint(
ct,
NULL,
NULL,
NULL
);
assert(r==0);
return arg;
}
static void
run_test (void) {
const int test_limit = 12;
int r;
ct = NULL;
r = toku_create_cachetable(&ct, test_limit, ZERO_LSN, NULL_LOGGER); assert(r == 0);
char fname1[] = __SRCFILE__ "test1.dat";
unlink(fname1);
CACHEFILE f1;
r = toku_cachetable_openf(&f1, ct, fname1, O_RDWR|O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO); assert(r == 0);
CACHETABLE_WRITE_CALLBACK wc = def_write_callback(NULL);
void* v1;
//void* v2;
long s1;
//long s2;
r = toku_cachetable_get_and_pin(f1, make_blocknum(1), toku_cachetable_hash(f1, make_blocknum(1)), &v1, &s1, wc, def_fetch, def_pf_req_callback, def_pf_callback, true, NULL);
toku_cachetable_unpin(
f1,
make_blocknum(1),
toku_cachetable_hash(f1, make_blocknum(1)),
CACHETABLE_DIRTY,
make_pair_attr(8)
);
// now this should mark the pair for checkpoint
r = toku_cachetable_begin_checkpoint(ct, NULL);
r = toku_cachetable_get_and_pin(f1, make_blocknum(1), toku_cachetable_hash(f1, make_blocknum(1)), &v1, &s1, wc, def_fetch, def_pf_req_callback, def_pf_callback, true, NULL);
toku_pthread_t mytid;
r = toku_pthread_create(&mytid, NULL, run_end_chkpt, NULL);
assert(r==0);
// give checkpoint thread a chance to start waiting on lock
sleep(1);
r = toku_cachetable_unpin_and_remove(f1, make_blocknum(1), NULL, NULL);
assert(r==0);
void* ret;
r = toku_pthread_join(mytid, &ret);
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;
}
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