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// -*- mode:C; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#include "common/ceph_context.h"
#include "include/util.h"
#include "gtest/gtest.h"
#include "common/ceph_mutex.h"
#include "global/global_context.h"
#include "global/global_init.h"
#include "common/lockdep.h"
#include "include/coredumpctl.h"
TEST(lockdep, abba)
{
ASSERT_TRUE(g_lockdep);
ceph::mutex a(ceph::make_mutex("a")), b(ceph::make_mutex("b"));
a.lock();
ASSERT_TRUE(ceph_mutex_is_locked(a));
ASSERT_TRUE(ceph_mutex_is_locked_by_me(a));
b.lock();
ASSERT_TRUE(ceph_mutex_is_locked(b));
ASSERT_TRUE(ceph_mutex_is_locked_by_me(b));
a.unlock();
b.unlock();
b.lock();
PrCtl unset_dumpable;
EXPECT_DEATH(a.lock(), "");
b.unlock();
}
TEST(lockdep, recursive)
{
ASSERT_TRUE(g_lockdep);
ceph::mutex a(ceph::make_mutex("a"));
a.lock();
PrCtl unset_dumpable;
EXPECT_DEATH(a.lock(), "");
a.unlock();
ceph::recursive_mutex b(ceph::make_recursive_mutex("b"));
b.lock();
ASSERT_TRUE(ceph_mutex_is_locked(b));
ASSERT_TRUE(ceph_mutex_is_locked_by_me(b));
b.lock();
b.unlock();
b.unlock();
}
int main(int argc, char **argv) {
#ifdef NDEBUG
cout << "NDEBUG is defined" << std::endl;
#else
cout << "NDEBUG is NOT defined" << std::endl;
#endif
#ifndef CEPH_DEBUG_MUTEX
cerr << "WARNING: CEPH_DEBUG_MUTEX is not defined, lockdep will not work"
<< std::endl;
exit(0);
#endif
std::vector<const char*> args(argv, argv + argc);
args.push_back("--lockdep");
auto cct = global_init(NULL, args,
CEPH_ENTITY_TYPE_CLIENT,
CODE_ENVIRONMENT_UTILITY,
CINIT_FLAG_NO_MON_CONFIG);
common_init_finish(g_ceph_context);
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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