1 files changed, 100 insertions, 0 deletions
diff --git a/storage/tokudb/PerconaFT/src/tests/openlimit17.cc b/storage/tokudb/PerconaFT/src/tests/openlimit17.cc
new file mode 100644
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--- /dev/null
+++ b/storage/tokudb/PerconaFT/src/tests/openlimit17.cc
@@ -0,0 +1,100 @@
+/* -*- 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."
+
+#include "test.h"
+#include <sys/resource.h>
+
+// try to open N databases when N > open file limit.  should fail gracefully.
+
+int test_main (int argc __attribute__((__unused__)), char *const argv[] __attribute__((__unused__))) {
+    int r;
+
+    const int N = 200;
+
+    struct rlimit nofile_limit = { N, N };
+    r = setrlimit(RLIMIT_NOFILE, &nofile_limit);
+    // assert(r == 0); // valgrind does not like this
+    if (r != 0) {
+        printf("warning: set nofile limit to %d failed %d %s\n", N, errno, strerror(errno));
+    }
+
+    toku_os_recursive_delete(TOKU_TEST_FILENAME);
+    r = toku_os_mkdir(TOKU_TEST_FILENAME, S_IRWXU+S_IRWXG+S_IRWXO);
+    assert(r == 0);
+
+    DB_ENV *env;
+    r = db_env_create(&env, 0);
+    assert(r == 0);
+
+    r = env->open(env, TOKU_TEST_FILENAME, DB_INIT_MPOOL|DB_CREATE|DB_THREAD |DB_INIT_LOCK|DB_INIT_LOG|DB_INIT_TXN|DB_PRIVATE, S_IRWXU+S_IRWXG+S_IRWXO);
+    assert(r == 0);
+
+    DB **dbs = new DB *[N];
+    for (int i = 0; i < N; i++) {
+        dbs[i] = NULL;
+    }
+    bool emfile_happened = false; // should happen since there are less than N unused file descriptors
+    for (int i = 0; i < N; i++) {
+        r = db_create(&dbs[i], env, 0);
+        assert(r == 0);
+
+        char dbname[32]; sprintf(dbname, "%d.test", i);
+        r = dbs[i]->open(dbs[i], NULL, dbname, NULL, DB_BTREE, DB_AUTO_COMMIT+DB_CREATE, S_IRWXU+S_IRWXG+S_IRWXO);
+        if (r == EMFILE) {
+            emfile_happened = true;
+            break;
+        }
+        assert(r == 0);
+    }
+
+    assert(emfile_happened);
+
+    for (int i = 0; i < N; i++) {
+        if (dbs[i]) {
+            r = dbs[i]->close(dbs[i], 0);
+            assert(r == 0);
+        }
+    }
+
+    r = env->close(env, 0);
+    assert(r == 0);
+
+    delete [] dbs;
+
+    return 0;
+}