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// $Id: test_malloc.cpp 93582 2011-03-17 09:49:46Z olli $
// This program tests out all the various ACE_Malloc combinations and
// the ACE_Allocator_Adapter.
#include "ace/Thread.h"
#include "ace/Thread_Manager.h"
#include "ace/Malloc.h"
#include "ace/Signal.h"
#include "ace/Truncate.h"
#include "ace/OS_NS_stdio.h"
#include "ace/OS_NS_string.h"
#include "ace/OS_NS_sys_wait.h"
#include "ace/OS_NS_unistd.h"
#include "Malloc.h"
#include "Options.h"
static int
gen_size (void)
{
#if defined (ACE_HAS_THREADS)
unsigned int seed =
static_cast<unsigned int> (reinterpret_cast<uintptr_t> (&seed));
return (
ACE_Utils::truncate_cast<int> (
ACE_OS::rand_r (&seed) % Options::instance ()->max_msg_size ()) + 1);
#else
return (
ACE_Utils::truncate_cast<int> (
ACE_OS::rand () % Options::instance ()->max_msg_size ()) + 1);
#endif /* ACE_HAS_THREADS */
}
// Recursively allocate and deallocate dynamic memory.
static int
malloc_recurse (int count)
{
static char default_char = 0;
if (count <= 0)
{
if (Options::instance ()->debug ())
{
// Note that you'll need to #define ACE_HAS_MALLOC_STATS in
// the main ACE config.h file and remake ACE to enable this.
ACE_MALLOC_STATS (Malloc::instance ()->print_stats ());
}
}
else
{
int alloc_size = gen_size ();
void *ptr = Malloc::instance ()->malloc (alloc_size);
if (ptr == 0)
ACE_ERROR ((LM_ERROR,
"(%P|%t) *** malloc of size %d failed, %p\n%a",
"malloc",
alloc_size));
else
{
ACE_OS::memset (ptr, default_char++, alloc_size);
if (Options::instance ()->debug ())
ACE_DEBUG ((LM_INFO,
"(%P|%t) %u (alloc), size = %d\n",
ptr,
alloc_size));
// Call ourselves recursively
malloc_recurse (count - 1);
if (Options::instance ()->debug ())
ACE_DEBUG ((LM_INFO,
"(%P|%t) %u (free), size = %d\n",
ptr,
alloc_size));
Malloc::instance ()->free (ptr);
}
}
return 0;
}
#if defined (ACE_HAS_THREADS)
static void *
worker (void *arg)
{
// Cast the arg to a long, first, because a pointer is the same
// size as a long on all current ACE platforms.
malloc_recurse (static_cast<int> (reinterpret_cast<intptr_t> (arg)));
return 0;
}
#endif /* ACE_HAS_THREADS */
// Create the appropriate type of process/thread.
static void
spawn (void)
{
if (Options::instance ()->spawn_threads ())
{
#if defined (ACE_HAS_THREADS)
if (ACE_Thread_Manager::instance ()->spawn (ACE_THR_FUNC (worker),
(void *) Options::instance ()->iteration_count (),
THR_BOUND) == -1)
ACE_ERROR ((LM_ERROR, "%p\n%a", "thread create failed"));
#else
if (Options::instance ()->spawn_count () > 1)
ACE_ERROR ((LM_ERROR,
"only one thread may be run in a process on this platform\n%a",
1));
#endif /* ACE_HAS_THREADS */
}
#if !defined (ACE_WIN32)
else if (ACE_OS::fork (ACE_TEXT_CHAR_TO_TCHAR (Options::instance ()->program_name ())) == 0)
{
if (Options::instance ()->exec_slave ())
{
char iterations[20];
char msg_size[20];
ACE_OS::sprintf (iterations, "%lu",
(unsigned long)
Options::instance ()->iteration_count ());
ACE_OS::sprintf (msg_size, "%lu",
(unsigned long)
Options::instance ()->max_msg_size ());
const char *cp = 0;
if (Options::instance ()->debug ())
cp = "-d";
else
cp = "";
const char *argv[] =
{
Options::instance ()->slave_name (),
"-p",
"-n",
iterations,
"-L",
msg_size,
cp,
0
};
if (ACE_OS::execv (Options::instance ()->program_name (),
(char *const *) argv) == -1)
ACE_ERROR ((LM_ERROR, "%p\n", "exec failed"));
ACE_OS::_exit (1);
}
else
{
ACE_DEBUG ((LM_INFO,
"(%P|%t) about to recurse with iteration count = %d\n",
Options::instance ()->iteration_count ()));
malloc_recurse (Options::instance ()->iteration_count ());
Malloc::instance ()->remove ();
ACE_OS::exit (0);
}
}
#endif /* ACE_WIN32 */
}
// Wait for all the child processes/threads to exit.
static void
wait_for_children (void)
{
if (Options::instance ()->spawn_threads ())
{
#if defined (ACE_HAS_THREADS)
// Wait for the threads to terminate.
ACE_Thread_Manager::instance ()->wait ();
#else
malloc_recurse (Options::instance ()->iteration_count ());
#endif /* ACE_HAS_THREADS */
}
#if !defined (ACE_WIN32)
else
{
pid_t pid;
while ((pid = ACE_OS::wait (0)) != -1)
ACE_DEBUG ((LM_DEBUG, "(%P|%t) reaped pid = %d\n", pid));
}
#endif /* ACE_WIN32 */
}
extern "C" void
handler (int)
{
Malloc::instance ()->remove ();
ACE_ERROR ((LM_ERROR, "(%P|%t) removed handler\n%a", 0));
}
int
ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
// Register a signal handler.
ACE_Sig_Action sa ((ACE_SignalHandler) handler, SIGINT);
ACE_UNUSED_ARG (sa);
Options::instance ()->parse_args (argc, argv);
#if !defined (ACE_WIN32)
if (Options::instance ()->child ())
{
ACE_DEBUG ((LM_INFO,
"(%P|%t) about to recurse with iteration count = %d, debug = %d\n",
Options::instance ()->iteration_count ()));
// We've been forked...
malloc_recurse (Options::instance ()->iteration_count ());
Malloc::instance ()->remove ();
}
else
#endif /* ACE_WIN32 */
{
for (size_t i = 0;
i < Options::instance ()->spawn_count ();
i++)
spawn ();
wait_for_children ();
Malloc::instance ()->remove ();
}
return 0;
}
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