interprocess/test/named_semaphore_test.cpp
2014-06-06 14:06:53 +02:00

124 lines
3.5 KiB
C++

//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2004-2012. Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//
// See http://www.boost.org/libs/interprocess for documentation.
//
//////////////////////////////////////////////////////////////////////////////
#include <boost/interprocess/detail/config_begin.hpp>
#include <boost/interprocess/sync/named_semaphore.hpp>
#include <boost/interprocess/detail/interprocess_tester.hpp>
#include <boost/interprocess/exceptions.hpp>
#include <boost/date_time/posix_time/posix_time_types.hpp>
#include "named_creation_template.hpp"
#include "mutex_test_template.hpp"
#include <string>
#include "get_process_id_name.hpp"
using namespace boost::interprocess;
static const std::size_t RecSemCount = 100;
static const char * SemName = test::get_process_id_name();
//This wrapper is necessary to plug this class
//in lock tests
class lock_test_wrapper
: public named_semaphore
{
public:
lock_test_wrapper(create_only_t, const char *name, unsigned int count = 1)
: named_semaphore(create_only, name, count)
{}
lock_test_wrapper(open_only_t, const char *name)
: named_semaphore(open_only, name)
{}
lock_test_wrapper(open_or_create_t, const char *name, unsigned int count = 1)
: named_semaphore(open_or_create, name, count)
{}
~lock_test_wrapper()
{}
void lock()
{ this->wait(); }
bool try_lock()
{ return this->try_wait(); }
bool timed_lock(const boost::posix_time::ptime &pt)
{ return this->timed_wait(pt); }
void unlock()
{ this->post(); }
};
//This wrapper is necessary to plug this class
//in recursive tests
class recursive_test_wrapper
: public lock_test_wrapper
{
public:
recursive_test_wrapper(create_only_t, const char *name)
: lock_test_wrapper(create_only, name, RecSemCount)
{}
recursive_test_wrapper(open_only_t, const char *name)
: lock_test_wrapper(open_only, name)
{}
recursive_test_wrapper(open_or_create_t, const char *name)
: lock_test_wrapper(open_or_create, name, RecSemCount)
{}
};
bool test_named_semaphore_specific()
{
//Test persistance
{
named_semaphore sem(create_only, SemName, 3);
}
{
named_semaphore sem(open_only, SemName);
BOOST_INTERPROCESS_CHECK(sem.try_wait() == true);
BOOST_INTERPROCESS_CHECK(sem.try_wait() == true);
BOOST_INTERPROCESS_CHECK(sem.try_wait() == true);
BOOST_INTERPROCESS_CHECK(sem.try_wait() == false);
sem.post();
}
{
named_semaphore sem(open_only, SemName);
BOOST_INTERPROCESS_CHECK(sem.try_wait() == true);
BOOST_INTERPROCESS_CHECK(sem.try_wait() == false);
}
named_semaphore::remove(SemName);
return true;
}
int main ()
{
try{
named_semaphore::remove(SemName);
test::test_named_creation< test::named_sync_creation_test_wrapper<lock_test_wrapper> >();
test::test_all_lock< test::named_sync_wrapper<lock_test_wrapper> >();
test::test_all_mutex<test::named_sync_wrapper<lock_test_wrapper> >();
test::test_all_recursive_lock<test::named_sync_wrapper<recursive_test_wrapper> >();
test_named_semaphore_specific();
}
catch(std::exception &ex){
named_semaphore::remove(SemName);
std::cout << ex.what() << std::endl;
return 1;
}
named_semaphore::remove(SemName);
return 0;
}
#include <boost/interprocess/detail/config_end.hpp>