1 files changed, 103 insertions, 0 deletions
diff --git a/storage/tokudb/PerconaFT/portability/tests/test-pthread-rwlock-rwr.cc b/storage/tokudb/PerconaFT/portability/tests/test-pthread-rwlock-rwr.cc
new file mode 100644
index 00000000..92b30421
--- /dev/null
+++ b/storage/tokudb/PerconaFT/portability/tests/test-pthread-rwlock-rwr.cc
@@ -0,0 +1,103 @@
+/* -*- 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 <toku_assert.h>
+#include <toku_pthread.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+
+// write a test see if things happen in the right order.
+
+volatile int state = 0;
+int verbose = 0;
+
+static void *f(void *arg) {
+    toku_pthread_rwlock_t *mylock = (toku_pthread_rwlock_t *) arg;
+    sleep(2);
+    assert(state==42); state = 16; if (verbose) printf("%s:%d\n", __FUNCTION__, __LINE__);
+    toku_pthread_rwlock_wrlock(mylock);
+    assert(state==49); state = 17; if (verbose) printf("%s:%d\n", __FUNCTION__, __LINE__);
+    toku_pthread_rwlock_wrunlock(mylock);
+    sleep(10);
+    assert(state==52); state = 20; if (verbose) printf("%s:%d\n", __FUNCTION__, __LINE__);
+    return arg;
+}
+
+int test_main(int argc , char *const argv[] ) {
+    assert(argc==1 || argc==2);
+    if (argc==2) {
+	assert(strcmp(argv[1],"-v")==0);
+	verbose = 1;
+    }
+    int r;
+    toku_pthread_rwlock_t rwlock;
+    toku_pthread_t tid;
+    void *retptr;
+
+    toku_pthread_rwlock_init(toku_uninstrumented, &rwlock, nullptr);
+    state = 37;
+    if (verbose)
+        printf("%s:%d\n", __FUNCTION__, __LINE__);
+    toku_pthread_rwlock_rdlock(&rwlock);
+
+    r = toku_pthread_create(toku_uninstrumented, &tid, nullptr, f, &rwlock);
+    assert(r == 0);
+
+    assert(state == 37);
+    state = 42;
+    if (verbose)
+        printf("%s:%d\n", __FUNCTION__, __LINE__);
+    sleep(4);
+    assert(state==16); state = 44; if (verbose) printf("%s:%d\n", __FUNCTION__, __LINE__);
+    toku_pthread_rwlock_rdlock(&rwlock);
+    assert(state==44); state = 46; if (verbose) printf("%s:%d\n", __FUNCTION__, __LINE__);
+    toku_pthread_rwlock_rdunlock(&rwlock);
+    sleep(4);
+    assert(state==46); state=49; if (verbose) printf("%s:%d\n", __FUNCTION__, __LINE__); // still have a read lock
+    toku_pthread_rwlock_rdunlock(&rwlock);
+    sleep(6);
+    assert(state==17); state=52; if (verbose) printf("%s:%d\n", __FUNCTION__, __LINE__);
+
+    r = toku_pthread_join(tid, &retptr); assert(r == 0);
+
+    toku_pthread_rwlock_destroy(&rwlock);
+    
+    return 0;
+}