mirror of
https://github.com/MariaDB/server.git
synced 2025-01-22 23:04:20 +01:00
128 lines
4 KiB
C
128 lines
4 KiB
C
/* -*- mode: C; c-basic-offset: 4 -*- */
|
|
|
|
/* verify that get_and_pin waits while a prefetch block is pending */
|
|
#ident "$Id$"
|
|
#ident "Copyright (c) 2007-2011 Tokutek Inc. All rights reserved."
|
|
#include "includes.h"
|
|
#include "test.h"
|
|
|
|
BOOL do_sleep;
|
|
|
|
static void
|
|
flush (CACHEFILE f __attribute__((__unused__)),
|
|
int UU(fd),
|
|
CACHEKEY k __attribute__((__unused__)),
|
|
void *v __attribute__((__unused__)),
|
|
void** UU(dd),
|
|
void *e __attribute__((__unused__)),
|
|
PAIR_ATTR s __attribute__((__unused__)),
|
|
PAIR_ATTR* new_size __attribute__((__unused__)),
|
|
BOOL w __attribute__((__unused__)),
|
|
BOOL keep __attribute__((__unused__)),
|
|
BOOL c __attribute__((__unused__)),
|
|
BOOL UU(is_clone)
|
|
) {
|
|
if (do_sleep) {
|
|
sleep(2);
|
|
}
|
|
}
|
|
|
|
static uint64_t tdelta_usec(struct timeval *tend, struct timeval *tstart) {
|
|
uint64_t t = tend->tv_sec * 1000000 + tend->tv_usec;
|
|
t -= tstart->tv_sec * 1000000 + tstart->tv_usec;
|
|
return t;
|
|
}
|
|
|
|
static void cachetable_predef_fetch_maybegetandpin_test (void) {
|
|
const int test_limit = 12;
|
|
int r;
|
|
CACHETABLE ct;
|
|
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);
|
|
CACHEKEY key = make_blocknum(0);
|
|
u_int32_t fullhash = toku_cachetable_hash(f1, make_blocknum(0));
|
|
|
|
// let's get and pin this node a bunch of times to drive up the clock count
|
|
for (int i = 0; i < 20; i++) {
|
|
void* value;
|
|
long size;
|
|
CACHETABLE_WRITE_CALLBACK wc = def_write_callback(NULL);
|
|
wc.flush_callback = flush;
|
|
r = toku_cachetable_get_and_pin(
|
|
f1,
|
|
key,
|
|
fullhash,
|
|
&value,
|
|
&size,
|
|
wc,
|
|
def_fetch,
|
|
def_pf_req_callback,
|
|
def_pf_callback,
|
|
TRUE,
|
|
0
|
|
);
|
|
assert(r==0);
|
|
r = toku_cachetable_unpin(f1, key, fullhash, CACHETABLE_DIRTY, make_pair_attr(8));
|
|
}
|
|
|
|
struct timeval tstart;
|
|
gettimeofday(&tstart, NULL);
|
|
|
|
// def_fetch another block, causing an eviction of the first block we made above
|
|
do_sleep = TRUE;
|
|
void* value2;
|
|
long size2;
|
|
CACHETABLE_WRITE_CALLBACK wc = def_write_callback(NULL);
|
|
r = toku_cachetable_get_and_pin(
|
|
f1,
|
|
make_blocknum(1),
|
|
1,
|
|
&value2,
|
|
&size2,
|
|
wc,
|
|
def_fetch,
|
|
def_pf_req_callback,
|
|
def_pf_callback,
|
|
TRUE,
|
|
0
|
|
);
|
|
assert(r==0);
|
|
r = toku_cachetable_unpin(f1, make_blocknum(1), 1, CACHETABLE_CLEAN, make_pair_attr(8));
|
|
|
|
toku_cachetable_verify(ct);
|
|
|
|
void *v = 0;
|
|
long size = 0;
|
|
// now verify that the block we are trying to evict may be pinned
|
|
wc = def_write_callback(NULL);
|
|
wc.flush_callback = flush;
|
|
r = toku_cachetable_get_and_pin_nonblocking(f1, key, fullhash, &v, &size, wc, def_fetch, def_pf_req_callback, def_pf_callback, TRUE, NULL, NULL);
|
|
assert(r == TOKUDB_TRY_AGAIN);
|
|
r = toku_cachetable_get_and_pin(f1, key, fullhash, &v, &size, wc, def_fetch, def_pf_req_callback, def_pf_callback, TRUE, NULL);
|
|
assert(r == 0 && v == 0 && size == 8);
|
|
do_sleep = FALSE;
|
|
|
|
struct timeval tend;
|
|
gettimeofday(&tend, NULL);
|
|
|
|
assert(tdelta_usec(&tend, &tstart) >= 2000000);
|
|
if (verbose)printf("time %"PRIu64" \n", tdelta_usec(&tend, &tstart));
|
|
toku_cachetable_verify(ct);
|
|
|
|
r = toku_cachetable_unpin(f1, key, fullhash, CACHETABLE_CLEAN, make_pair_attr(1));
|
|
assert(r == 0);
|
|
toku_cachetable_verify(ct);
|
|
|
|
r = toku_cachefile_close(&f1, 0, FALSE, ZERO_LSN); assert(r == 0);
|
|
r = toku_cachetable_close(&ct); assert(r == 0 && ct == 0);
|
|
}
|
|
|
|
int
|
|
test_main(int argc, const char *argv[]) {
|
|
default_parse_args(argc, argv);
|
|
cachetable_predef_fetch_maybegetandpin_test();
|
|
return 0;
|
|
}
|