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// $Id$
// ============================================================================
//
// = LIBRARY
// tests
//
// = FILENAME
// Process_Manual_Event_Test.cpp
//
// = DESCRIPTION
// This test verifies the functionality of the <ACE_Manual_Event>
// process-shared implementation.
//
// = AUTHOR
// Martin Corino <mcorino@remedy.nl>
//
// ============================================================================
#include "test_config.h"
#include "ace/Process.h"
#include "ace/Manual_Event.h"
#include "ace/Time_Value.h"
#include "ace/Get_Opt.h"
#include "ace/ACE.h"
#include "ace/OS_NS_stdio.h"
#include "ace/OS_NS_string.h"
#include "ace/OS_NS_sys_time.h"
#include "ace/os_include/os_dirent.h"
#if (!defined (ACE_LACKS_FORK) || defined (ACE_WIN32)) && \
(defined (ACE_WIN32) || \
(defined (ACE_HAS_PTHREADS) && defined (_POSIX_THREAD_PROCESS_SHARED) && \
!defined (ACE_LACKS_MUTEXATTR_PSHARED) && !defined (ACE_LACKS_CONDATTR_PSHARED)) || \
defined (ACE_USES_FIFO_SEM) || \
(defined (ACE_HAS_POSIX_SEM) && defined (ACE_HAS_POSIX_SEM_TIMEOUT) && !defined (ACE_LACKS_NAMED_POSIX_SEM)))
static int iterations = 10;
static int child_process = 0;
static const ACE_TCHAR *event_ping_name = ACE_TEXT ("ACE_Ping_Event");
static const ACE_TCHAR *event_pong_name = ACE_TEXT ("ACE_Pong_Event");
// Explain usage and exit.
static void
print_usage_and_die (void)
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("usage: %n [-i #iterations] [-c (child process)]\n")));
ACE_OS::exit (1);
}
// Parse the command-line arguments and set options.
static void
parse_args (int argc, ACE_TCHAR *argv[])
{
ACE_Get_Arg_Opt<ACE_TCHAR> get_opt (argc, argv, ACE_TEXT ("i:c"));
int c;
while ((c = get_opt ()) != -1)
switch (c)
{
case 'i':
iterations = ACE_OS::atoi (get_opt.opt_arg ());
break;
case 'c':
child_process = 1;
break;
default:
print_usage_and_die ();
break;
}
}
static void
acquire_release (void)
{
ACE_Manual_Event event_ping (0, USYNC_PROCESS, event_ping_name);
ACE_Manual_Event event_pong (0, USYNC_PROCESS, event_pong_name);
// Make sure the constructor succeeded
ACE_ASSERT (ACE_LOG_MSG->op_status () == 0);
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P) Begin ping-pong\n")));
int i;
if (child_process)
{
for (i = 0; i < iterations; ++i)
{
event_ping.signal ();
if (event_pong.wait ())
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("(%P) %p\n"),
ACE_TEXT ("Failed acquiring pong")));
else
{
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("(%P) Pong\n")));
event_pong.reset ();
}
}
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("(%P) Testing timeouts\n")));
// test timed wait
ACE_Time_Value wait = ACE_OS::gettimeofday ();
wait.sec (wait.sec () + 3); // timeout in 3 secs
if (event_pong.wait (&wait))
{
if (errno != ETIME)
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("(%P) %p, but expected ETIME\n"),
ACE_TEXT ("event_pong.wait()")));
}
else
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("(%P) Acquired pong without release()\n")));
event_ping.signal (); // release waiting parent before timeout
}
else
{
for (i = 0; i < iterations; ++i)
{
if (event_ping.wait ())
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("(%P) %p\n"),
ACE_TEXT ("Failed acquiring ping")));
else
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%P) Ping\n")));
event_ping.reset ();
}
event_pong.signal ();
}
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("(%P) Testing timeouts\n")));
// test timed wait
ACE_Time_Value wait = ACE_OS::gettimeofday ();
wait.sec (wait.sec () + 10); // timeout in 10 secs
if (event_ping.wait (&wait))
{
if (errno != ETIME)
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("(%P) %p but should be ETIME\n"),
ACE_TEXT ("Acquire pong")));
ACE_ERROR ((LM_ERROR, ACE_TEXT ("(%P) Acquire pong timed out\n")));
}
}
}
#endif /* ! ACE_LACKS_FORK */
int
run_main (int argc, ACE_TCHAR *argv[])
{
#if defined (ACE_LACKS_FORK) && !defined (ACE_WIN32)
ACE_UNUSED_ARG (argc);
ACE_UNUSED_ARG (argv);
ACE_START_TEST (ACE_TEXT ("Process_Manual_Event_Test"));
ACE_ERROR ((LM_INFO,
ACE_TEXT ("fork is not supported on this platform\n")));
ACE_END_TEST;
#elif defined (ACE_WIN32) || \
(defined (ACE_HAS_PTHREADS) && defined (_POSIX_THREAD_PROCESS_SHARED) && \
!defined (ACE_LACKS_MUTEXATTR_PSHARED) && !defined (ACE_LACKS_CONDATTR_PSHARED)) || \
defined (ACE_USES_FIFO_SEM) || \
(defined (ACE_HAS_POSIX_SEM) && defined (ACE_HAS_POSIX_SEM_TIMEOUT) && !defined (ACE_LACKS_NAMED_POSIX_SEM))
parse_args (argc, argv);
// Child process code.
if (child_process)
{
ACE_START_TEST (ACE_TEXT ("Process_Manual_Event_Test-child"));
acquire_release ();
ACE_END_LOG;
}
else
{
ACE_START_TEST (ACE_TEXT ("Process_Manual_Event_Test"));
#if defined (ACE_WIN32)
const ACE_TCHAR *cmdline_format = ACE_TEXT("\"%s\" -c -i %d");
#elif !defined (ACE_USES_WCHAR)
const ACE_TCHAR *cmdline_format = ACE_TEXT (".") ACE_DIRECTORY_SEPARATOR_STR ACE_TEXT("%s -c -i %d");
#else
const ACE_TCHAR *cmdline_format = ACE_TEXT (".") ACE_DIRECTORY_SEPARATOR_STR ACE_TEXT("%ls -c -i %d");
#endif
ACE_Process_Options options;
options.command_line (cmdline_format,
argv[0],
iterations);
// Spawn a child process that will contend for the
// lock.
ACE_Process child;
// Spawn the child process.
int result = child.spawn (options);
ACE_ASSERT (result != -1);
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("Parent spawned child process with pid = %d.\n"),
child.getpid ()));
// start test
acquire_release ();
ACE_exitcode child_status;
// Wait for the child processes we created to exit.
int wait_result = child.wait (&child_status);
ACE_ASSERT (wait_result != -1);
if (child_status == 0)
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("Child %d finished ok\n"),
child.getpid ()));
else
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("Child %d finished with status %d\n"),
child.getpid (), child_status));
ACE_END_TEST;
}
#else /* !ACE_LACKS_FORK */
ACE_UNUSED_ARG (argc);
ACE_UNUSED_ARG (argv);
ACE_START_TEST (ACE_TEXT ("Process_Manual_Event_Test"));
ACE_ERROR ((LM_INFO,
ACE_TEXT ("Process shared events are not supported on this platform\n")));
ACE_END_TEST;
#endif /* ! ACE_LACKS_FORK */
return 0;
}
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