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b3f5306b41
'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
86 lines
2.6 KiB
C
86 lines
2.6 KiB
C
/* -*- mode: C; c-basic-offset: 4 -*- */
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/* verify that get_and_pin waits while a prefetch block is pending */
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#include "includes.h"
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#include "test.h"
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static void
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flush (CACHEFILE f __attribute__((__unused__)),
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int UU(fd),
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CACHEKEY k __attribute__((__unused__)),
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void *v __attribute__((__unused__)),
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void *e __attribute__((__unused__)),
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long s __attribute__((__unused__)),
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BOOL w __attribute__((__unused__)),
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BOOL keep __attribute__((__unused__)),
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BOOL c __attribute__((__unused__))
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) {
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assert(w == FALSE);
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}
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static int
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fetch (CACHEFILE f __attribute__((__unused__)),
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int UU(fd),
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CACHEKEY k __attribute__((__unused__)),
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u_int32_t fullhash __attribute__((__unused__)),
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void **value __attribute__((__unused__)),
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long *sizep __attribute__((__unused__)),
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void *extraargs __attribute__((__unused__))
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) {
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sleep(10);
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*value = 0;
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*sizep = 1;
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return -42;
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}
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static uint64_t tdelta_usec(struct timeval *tend, struct timeval *tstart) {
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uint64_t t = tend->tv_sec * 1000000 + tend->tv_usec;
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t -= tstart->tv_sec * 1000000 + tstart->tv_usec;
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return t;
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}
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static void cachetable_prefetch_maybegetandpin_test (void) {
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const int test_limit = 1;
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int r;
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CACHETABLE ct;
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r = toku_create_cachetable(&ct, test_limit, ZERO_LSN, NULL_LOGGER); assert(r == 0);
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char fname1[] = __FILE__ "test1.dat";
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unlink(fname1);
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CACHEFILE f1;
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r = toku_cachetable_openf(&f1, ct, fname1, O_RDWR|O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO); assert(r == 0);
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struct timeval tstart;
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gettimeofday(&tstart, NULL);
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// prefetch block 0. this will take 10 seconds.
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CACHEKEY key = make_blocknum(0);
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u_int32_t fullhash = toku_cachetable_hash(f1, make_blocknum(0));
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r = toku_cachefile_prefetch(f1, key, fullhash, flush, fetch, 0);
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toku_cachetable_verify(ct);
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// verify that get_and_pin waits while the prefetch is in progress
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void *v = 0;
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long size = 0;
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r = toku_cachetable_get_and_pin(f1, key, fullhash, &v, &size, flush, fetch, NULL);
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assert(r != 0);
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struct timeval tend;
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gettimeofday(&tend, NULL);
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assert(tdelta_usec(&tend, &tstart) >= 10000000);
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toku_cachetable_verify(ct);
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r = toku_cachefile_close(&f1, 0, FALSE, ZERO_LSN); assert(r == 0 && f1 == 0);
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r = toku_cachetable_close(&ct); assert(r == 0 && ct == 0);
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}
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int
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test_main(int argc, const char *argv[]) {
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default_parse_args(argc, argv);
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cachetable_prefetch_maybegetandpin_test();
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return 0;
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}
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