1 files changed, 108 insertions, 0 deletions
diff --git a/storage/tokudb/PerconaFT/ft/tests/cachetable-prefetch-maybegetandpin-test.cc b/storage/tokudb/PerconaFT/ft/tests/cachetable-prefetch-maybegetandpin-test.cc
new file mode 100644
index 00000000..41e326d7
--- /dev/null
+++ b/storage/tokudb/PerconaFT/ft/tests/cachetable-prefetch-maybegetandpin-test.cc
@@ -0,0 +1,108 @@
+/* -*- mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+// vim: ft=cpp:expandtab:ts=8:sw=4:softtabstop=4:
+#ident "$Id$"
+/*======
+This file is part of PerconaFT.
+
+
+Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved.
+
+    PerconaFT is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License, version 2,
+    as published by the Free Software Foundation.
+
+    PerconaFT is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with PerconaFT.  If not, see <http://www.gnu.org/licenses/>.
+
+----------------------------------------
+
+    PerconaFT is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License, version 3,
+    as published by the Free Software Foundation.
+
+    PerconaFT is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with PerconaFT.  If not, see <http://www.gnu.org/licenses/>.
+======= */
+
+#ident "Copyright (c) 2006, 2015, Percona and/or its affiliates. All rights reserved."
+
+/* verify that maybe_get_and_pin returns an error while a prefetch block is pending */
+
+#include "test.h"
+
+static int
+fetch (CACHEFILE f        __attribute__((__unused__)),
+       PAIR UU(p),
+       int UU(fd),
+       CACHEKEY k         __attribute__((__unused__)),
+       uint32_t fullhash __attribute__((__unused__)),
+       void **value       __attribute__((__unused__)),
+       void** UU(dd),
+       PAIR_ATTR *sizep        __attribute__((__unused__)),
+       int  *dirtyp       __attribute__((__unused__)),
+       void *extraargs    __attribute__((__unused__))
+       ) {
+
+    sleep(10);
+
+    *value = 0;
+    *sizep = make_pair_attr(1);
+    *dirtyp = 1;
+
+    return 0;
+}
+
+
+static void cachetable_prefetch_maybegetandpin_test (void) {
+    const int test_limit = 1;
+    int r;
+    CACHETABLE ct;
+    toku_cachetable_create(&ct, test_limit, ZERO_LSN, nullptr);
+    const char *fname1 = TOKU_TEST_FILENAME;
+    unlink(fname1);
+    CACHEFILE f1;
+    r = toku_cachetable_openf(&f1, ct, fname1, O_RDWR|O_CREAT, S_IRWXU|S_IRWXG|S_IRWXO); assert(r == 0);
+
+    // prefetch block 0. this will take 10 seconds.
+    CACHEKEY key = make_blocknum(0);
+    uint32_t fullhash = toku_cachetable_hash(f1, make_blocknum(0));
+    CACHETABLE_WRITE_CALLBACK wc = def_write_callback(NULL);
+    r = toku_cachefile_prefetch(f1, key, fullhash, wc, fetch, def_pf_req_callback, def_pf_callback, 0, NULL);
+    toku_cachetable_verify(ct);
+
+    // verify that maybe_get_and_pin returns an error while the prefetch is in progress
+    int i;
+    for (i=1; i>=0; i++) {
+        void *v;
+        r = toku_cachetable_maybe_get_and_pin(f1, key, fullhash, PL_WRITE_EXPENSIVE, &v);
+        if (r == 0) break;
+        toku_pthread_yield();
+    }
+    if (verbose) printf("%s:%d %d\n", __FUNCTION__, __LINE__, i);
+    assert(i>1);
+    toku_cachetable_verify(ct);
+
+    r = toku_test_cachetable_unpin(f1, key, fullhash, CACHETABLE_CLEAN, make_pair_attr(1));
+    assert(r == 0);
+    toku_cachetable_verify(ct);
+
+    toku_cachefile_close(&f1, false, ZERO_LSN);
+    toku_cachetable_close(&ct);
+}
+
+int
+test_main(int argc, const char *argv[]) {
+    default_parse_args(argc, argv);
+    cachetable_prefetch_maybegetandpin_test();
+    return 0;
+}