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//=============================================================================
/**
* @file Thread_Attrs_Test.cpp
*
* This test program ensures that attributes set on a thread via the
* ACE_Task/ACE_Thread_Manager are honored.
*
* @author Steve Huston <shuston@riverace.com>
*/
//=============================================================================
#include "test_config.h"
#include "ace/Task.h"
#if defined (ACE_HAS_THREADS)
class Cancel_Check : public ACE_Task<ACE_MT_SYNCH>
{
public:
// Create a checker with the state, type requested.
Cancel_Check (bool enable, bool async);
//FUZZ: disable check_for_lack_ACE_OS
// Spawn the thread
virtual int open (void * = 0);
//FUZZ: enable check_for_lack_ACE_OS
// Check the cancel settings against what is expected then exit.
virtual int svc ();
/// Returns true iff settings match what was requested.
bool operator! ();
private:
bool enable_req_;
bool async_req_;
bool failed_;
};
bool
Cancel_Check::operator!()
{
return this->failed_;
}
Cancel_Check::Cancel_Check (bool enable, bool async)
: enable_req_ (enable), async_req_(async), failed_ (false)
{
}
int
Cancel_Check::svc ()
{
#if defined (ACE_HAS_PTHREADS) && !defined (ACE_LACKS_PTHREAD_CANCEL)
int state;
pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, &state);
if (state == PTHREAD_CANCEL_ENABLE && !this->enable_req_)
{
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("Cancel found enabled, should not be\n")));
this->failed_ = true;
}
else if (state == PTHREAD_CANCEL_DISABLE && this->enable_req_)
{
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("Cancel found disabled, should not be\n")));
this->failed_ = true;
}
else
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("Cancel found %s; ok\n"),
state == PTHREAD_CANCEL_ENABLE ? ACE_TEXT ("enabled") :
ACE_TEXT ("disabled")));
}
int type;
pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, &type);
if (type == PTHREAD_CANCEL_ASYNCHRONOUS && !this->async_req_)
{
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("Cancel type async, should not be\n")));
this->failed_ = true;
}
else if (type == PTHREAD_CANCEL_DEFERRED && this->async_req_)
{
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("Cancel type deferred, should not be\n")));
this->failed_ = true;
}
else
{
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("Cancel type %s; ok\n"),
type == PTHREAD_CANCEL_DEFERRED ? ACE_TEXT ("deferred") :
ACE_TEXT ("asynchronous")));
}
#endif
return 0;
}
int
Cancel_Check::open (void *)
{
long flags = THR_NEW_LWP | THR_JOINABLE;
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Flags before cancels: 0x%x\n"), flags));
flags |= (this->enable_req_ ? THR_CANCEL_ENABLE : THR_CANCEL_DISABLE);
flags |= (this->async_req_ ? THR_CANCEL_ASYNCHRONOUS : THR_CANCEL_DEFERRED);
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Flags after cancels: 0x%x\n"), flags));
if (this->activate (flags) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("%p\n"),
ACE_TEXT ("Cancel_Check activate failed")),
-1);
return 0;
}
/**
* @class Stack_Size_Check
*
* @brief Defines a task that verifies its stack size.
*/
class Stack_Size_Check : public ACE_Task<ACE_MT_SYNCH>
{
public:
/// Create the thread with specified stack size
Stack_Size_Check (size_t stack_size);
//FUZZ: disable check_for_lack_ACE_OS
/// Spawn the thread
virtual int open (void * = 0);
//FUZZ: enable check_for_lack_ACE_OS
/// Check the stack size against what is expected then exit.
virtual int svc ();
/// Returns true iff failed_ == false.
bool operator! ();
private:
size_t stack_size_;
/// Flag indicating the test failed.
bool failed_;
};
bool
Stack_Size_Check::operator!()
{
return this->failed_;
}
Stack_Size_Check::Stack_Size_Check (size_t stack_size)
: stack_size_ (stack_size), failed_ (false)
{
}
int
Stack_Size_Check::svc ()
{
size_t my_size = 0;
#ifdef __USE_GNU
pthread_attr_t my_attrs;
pthread_getattr_np (pthread_self (), &my_attrs);
pthread_attr_getstacksize (&my_attrs, &my_size);
pthread_attr_destroy (&my_attrs);
#else
// No known way to do this yet... feel free to fill this in.
my_size = this->stack_size_;
#endif /* __USE_GNU */
// The Posix docs say that the size set for the threads stack will be the
// *minimum* size allocated (the actual size may be bigger because of
// a) pagesize rounding, b) guardsize addition) so we can really only
// check if we have gotten *at least* what we asked for.
if (my_size < this->stack_size_)
{
ACE_ERROR ((LM_ERROR,
ACE_TEXT ("%t: My stack size attr %B; expected %B\n"),
my_size, this->stack_size_));
this->failed_ = true;
}
else
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("%t: My stack size attr %B; correct.\n"),
my_size));
return 0;
}
int
Stack_Size_Check::open (void *)
{
if (this->activate (THR_NEW_LWP | THR_JOINABLE,
1,
0,
ACE_DEFAULT_THREAD_PRIORITY,
-1,
0,
0,
0,
&stack_size_) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("%p\n"),
ACE_TEXT ("Stack_Size_Check activate failed")),
-1);
return 0;
}
#endif /* ACE_HAS_THREADS */
int
run_main (int, ACE_TCHAR *[])
{
ACE_START_TEST (ACE_TEXT ("Thread_Attrs_Test"));
int status = 0;
#if defined (ACE_HAS_THREADS)
Stack_Size_Check size_checker (40*1024);
status = size_checker.open(0);
if (status == 0)
{
if (size_checker.wait () == -1)
ACE_ERROR_RETURN ((LM_ERROR,
ACE_TEXT ("size_checker %p\n"),
ACE_TEXT ("wait")),
1);
if (!size_checker)
status = 1;
}
ACE_DEBUG ((LM_DEBUG, ACE_TEXT ("Cancel flags sanity check:\n")
ACE_TEXT (" THR_CANCEL_ENABLE: 0x%x\n")
ACE_TEXT (" THR_CANCEL_DISABLE: 0x%x\n")
ACE_TEXT (" THR_CANCEL_DEFERRED: 0x%x\n")
ACE_TEXT (" THR_CANCEL_ASYNCHRONOUS: 0x%x\n"),
THR_CANCEL_ENABLE,
THR_CANCEL_DISABLE,
THR_CANCEL_DEFERRED,
THR_CANCEL_ASYNCHRONOUS));
// Cancel check args: enable (yes/no), async/deferred
Cancel_Check check1 (true, true);
Cancel_Check check2 (true, false);
Cancel_Check check3 (false, true);
Cancel_Check check4 (false, false);
if (check1.open(0) == 0)
{
check1.wait ();
if (!check1)
status = 1;
check2.open (0);
check2.wait ();
if (!check2)
status = 1;
check3.open (0);
check3.wait ();
if (!check3)
status = 1;
check4.open (0);
check4.wait ();
if (!check4)
status = 1;
}
else
{
ACE_ERROR ((LM_ERROR, ACE_TEXT ("%p\n"), ACE_TEXT ("Cancel_Check open")));
status = 1;
}
#else
ACE_ERROR ((LM_INFO,
ACE_TEXT ("threads not supported on this platform\n")));
#endif /* ACE_HAS_THREADS */
ACE_END_TEST;
return status;
}
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