+++ /dev/null
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 &smarttab
-/*
- * Ceph - scalable distributed file system
- *
- * Copyright (C) 2011 New Dream Network
- *
- * This 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. See file COPYING.
- *
- */
-
-#include <future>
-#include <mutex>
-#include <thread>
-
-#include <boost/thread/shared_mutex.hpp>
-
-#include "common/ceph_time.h"
-#include "common/shunique_lock.h"
-
-#include "gtest/gtest.h"
-
-template<typename SharedMutex>
-static bool test_try_lock(SharedMutex* sm) {
- if (!sm->try_lock())
- return false;
- sm->unlock();
- return true;
-}
-
-template<typename SharedMutex>
-static bool test_try_lock_shared(SharedMutex* sm) {
- if (!sm->try_lock_shared())
- return false;
- sm->unlock_shared();
- return true;
-}
-
-template<typename SharedMutex, typename AcquireType>
-static void check_conflicts(SharedMutex sm, AcquireType) {
-}
-
-template<typename SharedMutex>
-static void ensure_conflicts(SharedMutex& sm, ceph::acquire_unique_t) {
- auto ttl = &test_try_lock<boost::shared_mutex>;
- auto ttls = &test_try_lock_shared<boost::shared_mutex>;
- ASSERT_FALSE(std::async(std::launch::async, ttl, &sm).get());
- ASSERT_FALSE(std::async(std::launch::async, ttls, &sm).get());
-}
-
-template<typename SharedMutex>
-static void ensure_conflicts(SharedMutex& sm, ceph::acquire_shared_t) {
- auto ttl = &test_try_lock<boost::shared_mutex>;
- auto ttls = &test_try_lock_shared<boost::shared_mutex>;
- ASSERT_FALSE(std::async(std::launch::async, ttl, &sm).get());
- ASSERT_TRUE(std::async(std::launch::async, ttls, &sm).get());
-}
-
-template<typename SharedMutex>
-static void ensure_free(SharedMutex& sm) {
- auto ttl = &test_try_lock<boost::shared_mutex>;
- auto ttls = &test_try_lock_shared<boost::shared_mutex>;
- ASSERT_TRUE(std::async(std::launch::async, ttl, &sm).get());
- ASSERT_TRUE(std::async(std::launch::async, ttls, &sm).get());
-}
-
-template<typename SharedMutex, typename AcquireType>
-static void check_owns_lock(const SharedMutex& sm,
- const ceph::shunique_lock<SharedMutex>& sul,
- AcquireType) {
-}
-
-template<typename SharedMutex>
-static void check_owns_lock(const SharedMutex& sm,
- const ceph::shunique_lock<SharedMutex>& sul,
- ceph::acquire_unique_t) {
- ASSERT_TRUE(sul.mutex() == &sm);
- ASSERT_TRUE(sul.owns_lock());
- ASSERT_TRUE(!!sul);
-}
-
-template<typename SharedMutex>
-static void check_owns_lock(const SharedMutex& sm,
- const ceph::shunique_lock<SharedMutex>& sul,
- ceph::acquire_shared_t) {
- ASSERT_TRUE(sul.owns_lock_shared());
- ASSERT_TRUE(!!sul);
-}
-
-template<typename SharedMutex>
-static void check_abjures_lock(const SharedMutex& sm,
- const ceph::shunique_lock<SharedMutex>& sul) {
- ASSERT_EQ(sul.mutex(), &sm);
- ASSERT_FALSE(sul.owns_lock());
- ASSERT_FALSE(sul.owns_lock_shared());
- ASSERT_FALSE(!!sul);
-}
-
-template<typename SharedMutex>
-static void check_abjures_lock(const ceph::shunique_lock<SharedMutex>& sul) {
- ASSERT_EQ(sul.mutex(), nullptr);
- ASSERT_FALSE(sul.owns_lock());
- ASSERT_FALSE(sul.owns_lock_shared());
- ASSERT_FALSE(!!sul);
-}
-
-TEST(ShuniqueLock, DefaultConstructor) {
- typedef ceph::shunique_lock<boost::shared_mutex> shunique_lock;
-
- shunique_lock l;
-
- ASSERT_EQ(l.mutex(), nullptr);
- ASSERT_FALSE(l.owns_lock());
- ASSERT_FALSE(!!l);
-
- ASSERT_THROW(l.lock(), std::system_error);
- ASSERT_THROW(l.try_lock(), std::system_error);
-
- ASSERT_THROW(l.lock_shared(), std::system_error);
- ASSERT_THROW(l.try_lock_shared(), std::system_error);
-
- ASSERT_THROW(l.unlock(), std::system_error);
-
- ASSERT_EQ(l.mutex(), nullptr);
- ASSERT_FALSE(l.owns_lock());
- ASSERT_FALSE(!!l);
-
- ASSERT_EQ(l.release(), nullptr);
-
- ASSERT_EQ(l.mutex(), nullptr);
- ASSERT_FALSE(l.owns_lock());
- ASSERT_FALSE(l.owns_lock_shared());
- ASSERT_FALSE(!!l);
-}
-
-template<typename AcquireType>
-void lock_unlock(AcquireType at) {
- boost::shared_mutex sm;
- typedef ceph::shunique_lock<boost::shared_mutex> shunique_lock;
-
- shunique_lock l(sm, at);
-
- check_owns_lock(sm, l, at);
- ensure_conflicts(sm, at);
-
- l.unlock();
-
- check_abjures_lock(sm, l);
- ensure_free(sm);
-
- l.lock(at);
-
- check_owns_lock(sm, l, at);
- ensure_conflicts(sm, at);
-}
-
-TEST(ShuniqueLock, LockUnlock) {
- lock_unlock(ceph::acquire_unique);
- lock_unlock(ceph::acquire_shared);
-}
-
-template<typename AcquireType>
-void lock_destruct(AcquireType at) {
- boost::shared_mutex sm;
- typedef ceph::shunique_lock<boost::shared_mutex> shunique_lock;
-
- {
- shunique_lock l(sm, at);
-
- check_owns_lock(sm, l, at);
- ensure_conflicts(sm, at);
- }
-
- ensure_free(sm);
-}
-
-TEST(ShuniqueLock, LockDestruct) {
- lock_destruct(ceph::acquire_unique);
- lock_destruct(ceph::acquire_shared);
-}
-
-template<typename AcquireType>
-void move_construct(AcquireType at) {
- boost::shared_mutex sm;
-
- typedef ceph::shunique_lock<boost::shared_mutex> shunique_lock;
-
- {
- shunique_lock l(sm, at);
-
- check_owns_lock(sm, l, at);
- ensure_conflicts(sm, at);
-
- shunique_lock o(std::move(l));
-
- check_abjures_lock(l);
-
- check_owns_lock(sm, o, at);
- ensure_conflicts(sm, at);
-
- o.unlock();
-
- shunique_lock c(std::move(o));
-
-
- ASSERT_EQ(o.mutex(), nullptr);
- ASSERT_FALSE(!!o);
-
- check_abjures_lock(sm, c);
-
- ensure_free(sm);
- }
-}
-
-TEST(ShuniqueLock, MoveConstruct) {
- move_construct(ceph::acquire_unique);
- move_construct(ceph::acquire_shared);
-
- boost::shared_mutex sm;
- {
- std::unique_lock<boost::shared_mutex> ul(sm);
- ensure_conflicts(sm, ceph::acquire_unique);
- ceph::shunique_lock<boost::shared_mutex> l(std::move(ul));
- check_owns_lock(sm, l, ceph::acquire_unique);
- ensure_conflicts(sm, ceph::acquire_unique);
- }
- {
- std::unique_lock<boost::shared_mutex> ul(sm, std::defer_lock);
- ensure_free(sm);
- ceph::shunique_lock<boost::shared_mutex> l(std::move(ul));
- check_abjures_lock(sm, l);
- ensure_free(sm);
- }
- {
- std::unique_lock<boost::shared_mutex> ul;
- ceph::shunique_lock<boost::shared_mutex> l(std::move(ul));
- check_abjures_lock(l);
- }
- {
- boost::shared_lock<boost::shared_mutex> sl(sm);
- ensure_conflicts(sm, ceph::acquire_shared);
- ceph::shunique_lock<boost::shared_mutex> l(std::move(sl));
- check_owns_lock(sm, l, ceph::acquire_shared);
- ensure_conflicts(sm, ceph::acquire_shared);
- }
- {
- boost::shared_lock<boost::shared_mutex> sl;
- ceph::shunique_lock<boost::shared_mutex> l(std::move(sl));
- check_abjures_lock(l);
- }
-}
-
-template<typename AcquireType>
-void move_assign(AcquireType at) {
- boost::shared_mutex sm;
-
- typedef ceph::shunique_lock<boost::shared_mutex> shunique_lock;
-
- {
- shunique_lock l(sm, at);
-
- check_owns_lock(sm, l, at);
- ensure_conflicts(sm, at);
-
- shunique_lock o;
-
- o = std::move(l);
-
- check_abjures_lock(l);
-
- check_owns_lock(sm, o, at);
- ensure_conflicts(sm, at);
-
- o.unlock();
-
- shunique_lock c(std::move(o));
-
- check_abjures_lock(o);
- check_abjures_lock(sm, c);
-
- ensure_free(sm);
-
- shunique_lock k;
-
- c = std::move(k);
-
- check_abjures_lock(k);
- check_abjures_lock(c);
-
- ensure_free(sm);
- }
-}
-
-TEST(ShuniqueLock, MoveAssign) {
- move_assign(ceph::acquire_unique);
- move_assign(ceph::acquire_shared);
-
- boost::shared_mutex sm;
- {
- std::unique_lock<boost::shared_mutex> ul(sm);
- ensure_conflicts(sm, ceph::acquire_unique);
- ceph::shunique_lock<boost::shared_mutex> l;
- l = std::move(ul);
- check_owns_lock(sm, l, ceph::acquire_unique);
- ensure_conflicts(sm, ceph::acquire_unique);
- }
- {
- std::unique_lock<boost::shared_mutex> ul(sm, std::defer_lock);
- ensure_free(sm);
- ceph::shunique_lock<boost::shared_mutex> l;
- l = std::move(ul);
- check_abjures_lock(sm, l);
- ensure_free(sm);
- }
- {
- std::unique_lock<boost::shared_mutex> ul;
- ceph::shunique_lock<boost::shared_mutex> l;
- l = std::move(ul);
- check_abjures_lock(l);
- }
- {
- boost::shared_lock<boost::shared_mutex> sl(sm);
- ensure_conflicts(sm, ceph::acquire_shared);
- ceph::shunique_lock<boost::shared_mutex> l;
- l = std::move(sl);
- check_owns_lock(sm, l, ceph::acquire_shared);
- ensure_conflicts(sm, ceph::acquire_shared);
- }
- {
- boost::shared_lock<boost::shared_mutex> sl;
- ceph::shunique_lock<boost::shared_mutex> l;
- l = std::move(sl);
- check_abjures_lock(l);
- }
-
-}
-
-template<typename AcquireType>
-void construct_deferred(AcquireType at) {
- boost::shared_mutex sm;
-
- typedef ceph::shunique_lock<boost::shared_mutex> shunique_lock;
-
- {
- shunique_lock l(sm, std::defer_lock);
- check_abjures_lock(sm, l);
- ensure_free(sm);
-
- ASSERT_THROW(l.unlock(), std::system_error);
-
- check_abjures_lock(sm, l);
- ensure_free(sm);
-
- l.lock(at);
- check_owns_lock(sm, l, at);
- ensure_conflicts(sm, at);
- }
-
- {
- shunique_lock l(sm, std::defer_lock);
- check_abjures_lock(sm, l);
- ensure_free(sm);
-
- ASSERT_THROW(l.unlock(), std::system_error);
-
- check_abjures_lock(sm, l);
- ensure_free(sm);
- }
- ensure_free(sm);
-}
-
-TEST(ShuniqueLock, ConstructDeferred) {
- construct_deferred(ceph::acquire_unique);
- construct_deferred(ceph::acquire_shared);
-}
-
-template<typename AcquireType>
-void construct_try(AcquireType at) {
- boost::shared_mutex sm;
- typedef ceph::shunique_lock<boost::shared_mutex> shunique_lock;
-
- {
- shunique_lock l(sm, at, std::try_to_lock);
- check_owns_lock(sm, l, at);
- ensure_conflicts(sm, at);
- }
-
- {
- std::unique_lock<boost::shared_mutex> l(sm);
- ensure_conflicts(sm, ceph::acquire_unique);
-
- std::async(std::launch::async, [&sm, at]() {
- shunique_lock l(sm, at, std::try_to_lock);
- check_abjures_lock(sm, l);
- ensure_conflicts(sm, ceph::acquire_unique);
- }).get();
-
- l.unlock();
-
- std::async(std::launch::async, [&sm, at]() {
- shunique_lock l(sm, at, std::try_to_lock);
- check_owns_lock(sm, l, at);
- ensure_conflicts(sm, at);
- }).get();
- }
-}
-
-TEST(ShuniqueLock, ConstructTry) {
- construct_try(ceph::acquire_unique);
- construct_try(ceph::acquire_shared);
-}
-
-template<typename AcquireType>
-void construct_adopt(AcquireType at) {
- boost::shared_mutex sm;
-
- typedef ceph::shunique_lock<boost::shared_mutex> shunique_lock;
-
- {
- shunique_lock d(sm, at);
- d.release();
- }
-
- ensure_conflicts(sm, at);
-
- {
- shunique_lock l(sm, at, std::adopt_lock);
- check_owns_lock(sm, l, at);
- ensure_conflicts(sm, at);
- }
-
- ensure_free(sm);
-}
-
-TEST(ShuniqueLock, ConstructAdopt) {
- construct_adopt(ceph::acquire_unique);
- construct_adopt(ceph::acquire_shared);
-}
-
-template<typename AcquireType>
-void try_lock(AcquireType at) {
- boost::shared_mutex sm;
-
- typedef ceph::shunique_lock<boost::shared_mutex> shunique_lock;
-
- {
- shunique_lock l(sm, std::defer_lock);
- l.try_lock(at);
-
- check_owns_lock(sm, l, at);
- ensure_conflicts(sm, at);
- }
-
- {
- std::unique_lock<boost::shared_mutex> l(sm);
-
- std::async(std::launch::async, [&sm, at]() {
- shunique_lock l(sm, std::defer_lock);
- l.try_lock(at);
-
- check_abjures_lock(sm, l);
- ensure_conflicts(sm, ceph::acquire_unique);
- }).get();
-
-
- l.unlock();
- std::async(std::launch::async, [&sm, at]() {
- shunique_lock l(sm, std::defer_lock);
- l.try_lock(at);
-
- check_owns_lock(sm, l, at);
- ensure_conflicts(sm, at);
- }).get();
- }
-}
-
-TEST(ShuniqueLock, TryLock) {
- try_lock(ceph::acquire_unique);
- try_lock(ceph::acquire_shared);
-}
-
-TEST(ShuniqueLock, Release) {
- boost::shared_mutex sm;
- typedef ceph::shunique_lock<boost::shared_mutex> shunique_lock;
-
- {
- shunique_lock l(sm, ceph::acquire_unique);
- check_owns_lock(sm, l, ceph::acquire_unique);
- ensure_conflicts(sm, ceph::acquire_unique);
-
- l.release();
- check_abjures_lock(l);
- ensure_conflicts(sm, ceph::acquire_unique);
- }
- ensure_conflicts(sm, ceph::acquire_unique);
- sm.unlock();
- ensure_free(sm);
-
- {
- shunique_lock l(sm, ceph::acquire_shared);
- check_owns_lock(sm, l, ceph::acquire_shared);
- ensure_conflicts(sm, ceph::acquire_shared);
-
- l.release();
- check_abjures_lock(l);
- ensure_conflicts(sm, ceph::acquire_shared);
- }
- ensure_conflicts(sm, ceph::acquire_shared);
- sm.unlock_shared();
- ensure_free(sm);
-
- sm.lock();
- {
- shunique_lock l(sm, std::defer_lock);
- check_abjures_lock(sm, l);
- ensure_conflicts(sm, ceph::acquire_unique);
-
- l.release();
- check_abjures_lock(l);
- ensure_conflicts(sm, ceph::acquire_unique);
- }
- ensure_conflicts(sm, ceph::acquire_unique);
- sm.unlock();
-
- ensure_free(sm);
-
- {
- std::unique_lock<boost::shared_mutex> ul;
- shunique_lock l(sm, std::defer_lock);
- check_abjures_lock(sm, l);
- ensure_free(sm);
-
- ASSERT_NO_THROW(ul = l.release_to_unique());
- check_abjures_lock(l);
- ASSERT_EQ(ul.mutex(), &sm);
- ASSERT_FALSE(ul.owns_lock());
- ensure_free(sm);
- }
- ensure_free(sm);
-
- {
- std::unique_lock<boost::shared_mutex> ul;
- shunique_lock l;
- check_abjures_lock(l);
-
- ASSERT_NO_THROW(ul = l.release_to_unique());
- check_abjures_lock(l);
- ASSERT_EQ(ul.mutex(), nullptr);
- ASSERT_FALSE(ul.owns_lock());
- }
-}
-
-TEST(ShuniqueLock, NoRecursion) {
- boost::shared_mutex sm;
-
- typedef ceph::shunique_lock<boost::shared_mutex> shunique_lock;
-
- {
- shunique_lock l(sm, ceph::acquire_unique);
- ASSERT_THROW(l.lock(), std::system_error);
- ASSERT_THROW(l.try_lock(), std::system_error);
- ASSERT_THROW(l.lock_shared(), std::system_error);
- ASSERT_THROW(l.try_lock_shared(), std::system_error);
- }
-
- {
- shunique_lock l(sm, ceph::acquire_shared);
- ASSERT_THROW(l.lock(), std::system_error);
- ASSERT_THROW(l.try_lock(), std::system_error);
- ASSERT_THROW(l.lock_shared(), std::system_error);
- ASSERT_THROW(l.try_lock_shared(), std::system_error);
- }
-}
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