mariadb/newbrt/tests/cachetable-prefetch-getandpin-fail-test.c
Yoni Fogel b3f5306b41 [t:2249] Merge #2249 to main.
'load' entry and rollback/recovery,
single filename for brtloader and rest of brt
test-fsync

git-svn-id: file:///svn/toku/tokudb@18617 c7de825b-a66e-492c-adef-691d508d4ae1
2013-04-16 23:59:03 -04:00

86 lines
2.6 KiB
C

/* -*- mode: C; c-basic-offset: 4 -*- */
/* verify that get_and_pin waits while a prefetch block is pending */
#include "includes.h"
#include "test.h"
static void
flush (CACHEFILE f __attribute__((__unused__)),
int UU(fd),
CACHEKEY k __attribute__((__unused__)),
void *v __attribute__((__unused__)),
void *e __attribute__((__unused__)),
long s __attribute__((__unused__)),
BOOL w __attribute__((__unused__)),
BOOL keep __attribute__((__unused__)),
BOOL c __attribute__((__unused__))
) {
assert(w == FALSE);
}
static int
fetch (CACHEFILE f __attribute__((__unused__)),
int UU(fd),
CACHEKEY k __attribute__((__unused__)),
u_int32_t fullhash __attribute__((__unused__)),
void **value __attribute__((__unused__)),
long *sizep __attribute__((__unused__)),
void *extraargs __attribute__((__unused__))
) {
sleep(10);
*value = 0;
*sizep = 1;
return -42;
}
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_prefetch_maybegetandpin_test (void) {
const int test_limit = 1;
int r;
CACHETABLE ct;
r = toku_create_cachetable(&ct, test_limit, ZERO_LSN, NULL_LOGGER); assert(r == 0);
char fname1[] = __FILE__ "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);
struct timeval tstart;
gettimeofday(&tstart, NULL);
// prefetch block 0. this will take 10 seconds.
CACHEKEY key = make_blocknum(0);
u_int32_t fullhash = toku_cachetable_hash(f1, make_blocknum(0));
r = toku_cachefile_prefetch(f1, key, fullhash, flush, fetch, 0);
toku_cachetable_verify(ct);
// verify that get_and_pin waits while the prefetch is in progress
void *v = 0;
long size = 0;
r = toku_cachetable_get_and_pin(f1, key, fullhash, &v, &size, flush, fetch, NULL);
assert(r != 0);
struct timeval tend;
gettimeofday(&tend, NULL);
assert(tdelta_usec(&tend, &tstart) >= 10000000);
toku_cachetable_verify(ct);
r = toku_cachefile_close(&f1, 0, FALSE, ZERO_LSN); assert(r == 0 && f1 == 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_prefetch_maybegetandpin_test();
return 0;
}