diff options
Diffstat (limited to 'storage/tokudb/PerconaFT/src/tests/cachetable-race.cc')
| -rw-r--r-- | storage/tokudb/PerconaFT/src/tests/cachetable-race.cc | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/storage/tokudb/PerconaFT/src/tests/cachetable-race.cc b/storage/tokudb/PerconaFT/src/tests/cachetable-race.cc new file mode 100644 index 00000000000..54d78c05f98 --- /dev/null +++ b/storage/tokudb/PerconaFT/src/tests/cachetable-race.cc @@ -0,0 +1,152 @@ +/* -*- 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." + +/* This test is a little bit ugly, but I think it's mostly harmless. + * It's ugly because it requires a hook into cachetable.c, and that + * hook is a little ugly. + * + * The way it works: + * + * In the cachetable we set a variable that indicates that we are + * saving user data. (This is toku_checkpointing_user_data_status). + * + * In this test (cachetable-race), we close 2 of 5 dbs, and then busy + * wait for that status variable to go to 1 and close the others. + * + * In this way, the close happens (with good chances) right in the + * middle of the checkpoint loop for saving all the user data, which + * seems to trigger the race error. + */ + +#include "test.h" +#include "toku_pthread.h" +#include <db.h> +#include <sys/stat.h> +#include "ydb.h" +#include "ydb-internal.h" + +DB_ENV *env; +enum {NUM_DBS=5}; + +const char *env_dir = TOKU_TEST_FILENAME; // the default env_dir. + +static void run_cachetable_race_test(void) +{ + int r; + toku_os_recursive_delete(env_dir); + r = toku_os_mkdir(env_dir, S_IRWXU+S_IRWXG+S_IRWXO); CKERR(r); + + r = db_env_create(&env, 0); CKERR(r); + env->set_errfile(env, stderr); + int envflags = DB_INIT_LOCK | DB_INIT_LOG | DB_INIT_MPOOL | DB_INIT_TXN | DB_CREATE | DB_PRIVATE; + r = env->open(env, env_dir, envflags, S_IRWXU+S_IRWXG+S_IRWXO); CKERR(r); + env->set_errfile(env, stderr); + r = env->checkpointing_set_period(env, 5); CKERR(r); + + enum {MAX_NAME=128}; + char name[MAX_NAME]; + + DB **XMALLOC_N(NUM_DBS, dbs); + int idx[NUM_DBS]; + for(int i=0;i<NUM_DBS;i++) { + idx[i] = i; + r = db_create(&dbs[i], env, 0); CKERR(r); + dbs[i]->app_private = &idx[i]; + snprintf(name, sizeof(name), "db_%04x", i); + r = dbs[i]->open(dbs[i], NULL, name, NULL, DB_BTREE, DB_CREATE, 0666); CKERR(r); + + } + + for(int i=0;i<NUM_DBS;i++) { + dbs[i]->close(dbs[i], 0); CKERR(r); + dbs[i] = NULL; + + if (i==2) { + if (verbose) printf("%s:%d c=%d\n", __FILE__, __LINE__, toku_test_get_checkpointing_user_data_status()); + while (toku_test_get_checkpointing_user_data_status()==0) + sched_yield(); + if (verbose) printf("%s:%d c=%d\n", __FILE__, __LINE__, toku_test_get_checkpointing_user_data_status()); + } + } + r = env->close(env, 0); CKERR(r); + toku_free(dbs); +} + +// ------------ infrastructure ---------- +static void do_args(int argc, char * const argv[]); + +int test_main(int argc, char * const *argv) { + do_args(argc, argv); + run_cachetable_race_test(); + + return 0; +} + +static void do_args(int argc, char * const argv[]) { + int resultcode; + char *cmd = argv[0]; + argc--; argv++; + + while (argc>0) { + if (strcmp(argv[0], "-v")==0) { + verbose++; + } else if (strcmp(argv[0],"-q")==0) { + verbose--; + if (verbose<0) verbose=0; + } else if (strcmp(argv[0], "-h")==0) { + resultcode=0; + do_usage: + fprintf(stderr, "Usage: [-h] [-v] [-q] -s\n%s\n", cmd); + fprintf(stderr, " where -h print this message\n"); + fprintf(stderr, " -v verbose (multiple times for more verbosity)\n"); + fprintf(stderr, " -q quiet (default is verbosity==1)\n"); + fprintf(stderr, " -e <env> uses <env> to construct the directory (so that different tests can run concurrently)\n"); + fprintf(stderr, " -s use size factor of 1 and count temporary files\n"); + exit(resultcode); + } else if (strcmp(argv[0], "-s")==0) { + printf("\nTesting loader with size_factor=1\n"); + db_env_set_loader_size_factor(1); + } else { + fprintf(stderr, "Unknown arg: %s\n", argv[0]); + resultcode=1; + goto do_usage; + } + argc--; + argv++; + } +} |