diff options
Diffstat (limited to 'storage/tokudb/PerconaFT/src/tests/blocking-put-wakeup.cc')
-rw-r--r-- | storage/tokudb/PerconaFT/src/tests/blocking-put-wakeup.cc | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/storage/tokudb/PerconaFT/src/tests/blocking-put-wakeup.cc b/storage/tokudb/PerconaFT/src/tests/blocking-put-wakeup.cc new file mode 100644 index 00000000..dba7962d --- /dev/null +++ b/storage/tokudb/PerconaFT/src/tests/blocking-put-wakeup.cc @@ -0,0 +1,189 @@ +/* -*- 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 a blocking lock gets granted when the owning transaction commits. + +// A begin txn +// A write locks 0 +// A sleeps +// B begin txn +// B tries to write lock 0, blocks +// A wakes up and commits its txn +// B's write lock is granted, B's thread resumes, +// B commits its txn + +#include "test.h" +#include "toku_pthread.h" + +struct test_seq { + int state; + toku_mutex_t lock; + toku_cond_t cv; +}; + +static void test_seq_init(struct test_seq *seq) { + seq->state = 0; + toku_mutex_init(toku_uninstrumented, &seq->lock, nullptr); + toku_cond_init(toku_uninstrumented, &seq->cv, nullptr); +} + +static void test_seq_destroy(struct test_seq *seq) { + toku_mutex_destroy(&seq->lock); + toku_cond_destroy(&seq->cv); +} + +static void test_seq_sleep(struct test_seq *seq, int new_state) { + toku_mutex_lock(&seq->lock); + while (seq->state != new_state) { + toku_cond_wait(&seq->cv, &seq->lock); + } + toku_mutex_unlock(&seq->lock); +} + +static void test_seq_next_state(struct test_seq *seq) { + toku_mutex_lock(&seq->lock); + seq->state++; + toku_cond_broadcast(&seq->cv); + toku_mutex_unlock(&seq->lock); +} + +static void t_a(DB_ENV *db_env, DB *db, struct test_seq *seq) { + int r; + test_seq_sleep(seq, 0); + int k = 0; + DB_TXN *txn_a = NULL; + r = db_env->txn_begin(db_env, NULL, &txn_a, 0); assert(r == 0); + DBT key = { .data = &k, .size = sizeof k }; + DBT val = { .data = &k, .size = sizeof k }; + r = db->put(db, txn_a, &key, &val, 0); assert(r == 0); + test_seq_next_state(seq); + sleep(10); + r = txn_a->commit(txn_a, 0); assert(r == 0); +} + +static void t_b(DB_ENV *db_env, DB *db, struct test_seq *seq) { + int r; + test_seq_sleep(seq, 1); + int k = 0; + DB_TXN *txn_b = NULL; + r = db_env->txn_begin(db_env, NULL, &txn_b, 0); assert(r == 0); + DBT key = { .data = &k, .size = sizeof k }; + DBT val = { .data = &k, .size = sizeof k }; + r = db->put(db, txn_b, &key, &val, 0); assert(r == 0); + r = txn_b->commit(txn_b, 0); assert(r == 0); +} + +struct t_a_args { + DB_ENV *env; + DB *db; + struct test_seq *seq; +}; + +static void *t_a_thread(void *arg) { + struct t_a_args *a = (struct t_a_args *) arg; + t_a(a->env, a->db, a->seq); + return arg; +} + +int test_main(int argc, char * const argv[]) { + uint64_t cachesize = 0; + uint32_t pagesize = 0; + const char *db_env_dir = TOKU_TEST_FILENAME; + const char *db_filename = "test.db"; + int db_env_open_flags = DB_CREATE | DB_PRIVATE | DB_INIT_MPOOL | DB_INIT_TXN | DB_INIT_LOCK | DB_INIT_LOG | DB_THREAD; + + // parse_args(argc, argv); + for (int i = 1; i < argc; i++) { + if (strcmp(argv[i], "-v") == 0 || strcmp(argv[i], "--verbose") == 0) { + verbose++; + continue; + } + if (strcmp(argv[i], "-q") == 0 || strcmp(argv[i], "--quiet") == 0) { + if (verbose > 0) + verbose--; + continue; + } + assert(0); + } + + // setup env + int r; + char rm_cmd[strlen(db_env_dir) + strlen("rm -rf ") + 1]; + snprintf(rm_cmd, sizeof(rm_cmd), "rm -rf %s", db_env_dir); + r = system(rm_cmd); assert(r == 0); + + r = toku_os_mkdir(db_env_dir, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH); assert(r == 0); + + DB_ENV *db_env = NULL; + r = db_env_create(&db_env, 0); assert(r == 0); + if (cachesize) { + const uint64_t gig = 1 << 30; + r = db_env->set_cachesize(db_env, cachesize / gig, cachesize % gig, 1); assert(r == 0); + } + r = db_env->open(db_env, db_env_dir, db_env_open_flags, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); assert(r == 0); + r = db_env->set_lock_timeout(db_env, 30 * 1000, nullptr); assert(r == 0); + + // create the db + DB *db = NULL; + r = db_create(&db, db_env, 0); assert(r == 0); + if (pagesize) { + r = db->set_pagesize(db, pagesize); assert(r == 0); + } + r = db->open(db, NULL, db_filename, NULL, DB_BTREE, DB_CREATE|DB_AUTO_COMMIT|DB_THREAD, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH); assert(r == 0); + + // run test + struct test_seq seq; + ZERO_STRUCT(seq); + test_seq_init(&seq); + toku_pthread_t t_a_id; + struct t_a_args t_a_args = {db_env, db, &seq}; + r = toku_pthread_create( + toku_uninstrumented, &t_a_id, nullptr, t_a_thread, &t_a_args); + assert(r == 0); + t_b(db_env, db, &seq); + void *ret; + r = toku_pthread_join(t_a_id, &ret); + assert(r == 0); + test_seq_destroy(&seq); + + // close env + r = db->close(db, 0); assert(r == 0); db = NULL; + r = db_env->close(db_env, 0); assert(r == 0); db_env = NULL; + + return 0; +} |