1 files changed, 65 insertions, 0 deletions
diff --git a/storage/tokudb/PerconaFT/portability/tests/test-active-cpus.cc b/storage/tokudb/PerconaFT/portability/tests/test-active-cpus.cc
new file mode 100644
index 00000000000..1b8764a11c1
--- /dev/null
+++ b/storage/tokudb/PerconaFT/portability/tests/test-active-cpus.cc
@@ -0,0 +1,65 @@
+/* -*- 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 <stdio.h>
+#include <stdlib.h>
+#include <toku_stdint.h>
+#include <unistd.h>
+#include <toku_assert.h>
+#include "toku_os.h"
+
+int main(void) {
+    int r;
+    r = unsetenv("TOKU_NCPUS"); 
+    assert(r == 0);
+
+    int max_cpus = sysconf(_SC_NPROCESSORS_ONLN);
+    assert(toku_os_get_number_active_processors() == max_cpus);
+
+    // change the TOKU_NCPUS env variable and verify that the correct number is computed
+    for (int ncpus = 1; ncpus <= max_cpus; ncpus++) {
+        char ncpus_str[32];
+        sprintf(ncpus_str, "%d", ncpus);
+        r = setenv("TOKU_NCPUS", ncpus_str, 1);
+        assert(r == 0);
+
+        assert(toku_os_get_number_active_processors() == ncpus);
+    }
+
+    return 0;
+}