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// -*- c++ -*-
//------------------------------------------------------------------------------
// semaphore_test.cpp
//------------------------------------------------------------------------------
// $Id: semaphore_test.cpp,v 1.5 2006/07/20 02:30:56 vlg Exp $
//------------------------------------------------------------------------------
// Copyright (c) 2002 by Vladislav Grinchenko
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version
// 2 of the License, or (at your option) any later version.
//------------------------------------------------------------------------------
#include <iostream>
using namespace std;
#include <assert.h>
#if !defined (WIN32)
# include <sys/ipc.h> // ftok(2)
#endif
#include "assa/Assure.h"
#include "assa/Fork.h"
#include "assa/Semaphore.h"
#include "assa/CommonUtils.h"
using namespace ASSA;
#if !defined (WIN32)
void fork_with_lock (Semaphore& s)
{
trace("fork_with_lock");
DL((TRACE,"[Parent] Forking child...\n"));
Fork f (Fork::KILL_ON_EXIT, Fork::IGNORE_STATUS);
if (f.isChild ()) {
char self[] = "*-*-*-*-* [Child]";
DL((TRACE,"Raising semaphore ...\n"));
s.signal ();
s.dump ();
DL((TRACE,"Sleeping for 10 secs ...\n"));
ASSA::Utils::sleep_for_seconds (10);
DL((TRACE,"Child finished !\n"));
exit (0);
}
}
#endif
int main (int argc, char* argv[])
{
#if !defined (WIN32)
string log_name ("semaphore_test.log");
::unlink (log_name.c_str ());
Log::open_log_file (log_name.c_str ());
trace("semaphore_test");
std::cout << "= Running semaphore_test Test =\n";
key_t key = ftok ("/etc/hosts", 'S');
assert (key != (key_t) -1);
Semaphore s;
s.create (key, 0);
s.dump ();
DL((TRACE,"Semaphore created. Press Enter to continue... \n"));
int c;
c = cin.get ();
fork_with_lock (s);
s.dump ();
DL((TRACE,"Waiting on semaphore ...\n"));
s.wait ();
DL((TRACE,"Got the semaphore ...\n"));
s.dump ();
DL((TRACE,"Removing semaphore ...\n"));
s.remove ();
DL((TRACE,"Parent finished !\n"));
#endif
std::cout << "Test passed\n";
return 0;
}
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