/* -------------------------------------------------------------------
* Stop the specified object's thread execution (if any) immediately.
* Decrements thread count and resets the thread ID.
* ------------------------------------------------------------------- */
void thread_stop( struct thread_Settings* thread ) {
#ifdef HAVE_THREAD
// Make sure we have been started
if ( ! thread_equalid( thread->mTID, thread_zeroid() ) ) {
// decrement thread count
Condition_Lock( thread_sNum_cond );
IPERF_DEBUGF( THREAD_DEBUG | IPERF_DBG_TRACE, ( "Decrementing thread count from %d to %d.\r\n", thread_sNum, (thread_sNum - 1) ) );
thread_sNum--;
IPERF_DEBUGF( CONDITION_DEBUG | IPERF_DBG_TRACE, ( "Signaling thread_sNum_cond condition.\r\n" ) );
Condition_Signal( &thread_sNum_cond );
Condition_Unlock( thread_sNum_cond );
// use exit() if called from within this thread
// use cancel() if called from a different thread
if ( thread_equalid( thread_getid(), thread->mTID ) ) {
// Destroy the object
Settings_Destroy( thread );
// Exit
#if defined( HAVE_POSIX_THREAD )
IPERF_DEBUGF( THREAD_DEBUG | IPERF_DBG_TRACE, ( "Exiting %s thread.\r\n", thread_names[thread->mThreadMode] ) );
pthread_exit( NULL );
#elif defined( HAVE_WIN32_THREAD )
IPERF_DEBUGF( THREAD_DEBUG | IPERF_DBG_TRACE, ( "Exiting %s thread.\r\n", thread_names[thread->mThreadMode] ) );
CloseHandle( thread->mHandle );
ExitThread( 0 );
#endif /* HAVE_POSIX_THREAD */
} else {
// Cancel
#if defined( HAVE_POSIX_THREAD )
// Cray J90 doesn't have pthread_cancel; Iperf works okay without
#ifdef HAVE_PTHREAD_CANCEL
IPERF_DEBUGF( THREAD_DEBUG | IPERF_DBG_TRACE, ( "Canceling %s thread.\r\n", thread_names[thread->mThreadMode] ) );
pthread_cancel( thread->mTID );
#endif /* HAVE_PTHREAD_CANCEL */
#elif defined(HAVE_WIN32_THREAD)
// this is a somewhat dangerous function; it's not
// suggested to Stop() threads a lot.
IPERF_DEBUGF( THREAD_DEBUG | IPERF_DBG_TRACE, ( "Terminating %s thread.\r\n", thread_names[thread->mThreadMode] ) );
TerminateThread( thread->mHandle, 0 );
#endif /* HAVE_POSIX_THREAD */
// Destroy the object only after killing the thread
Settings_Destroy( thread );
}
}
#endif /* HAVE_THREAD */
} // end thread_stop
/* -------------------------------------------------------------------
* Stop the specified object's thread execution (if any) immediately.
* Decrements thread count and resets the thread ID.
* ------------------------------------------------------------------- */
void thread_stop( struct thread_Settings* thread ) {
#ifdef HAVE_THREAD
// Make sure we have been started
if ( ! thread_equalid( thread->mTID, thread_zeroid() ) ) {
// decrement thread count
Condition_Lock( thread_sNum_cond );
thread_sNum--;
Condition_Signal( &thread_sNum_cond );
Condition_Unlock( thread_sNum_cond );
// use exit() if called from within this thread
// use cancel() if called from a different thread
if ( thread_equalid( thread_getid(), thread->mTID ) ) {
// Destroy the object
Settings_Destroy( thread );
// Exit
#if defined( HAVE_POSIX_THREAD )
pthread_exit( NULL );
#else // Win32
CloseHandle( thread->mHandle );
ExitThread( 0 );
#endif
} else {
// Cancel
#if defined( HAVE_POSIX_THREAD )
// Cray J90 doesn't have pthread_cancel; Iperf works okay without
#ifdef HAVE_PTHREAD_CANCEL
pthread_cancel( thread->mTID );
#endif
#else // Win32
// this is a somewhat dangerous function; it's not
// suggested to Stop() threads a lot.
TerminateThread( thread->mHandle, 0 );
#endif
// Destroy the object only after killing the thread
Settings_Destroy( thread );
}
}
#endif
} // end Stop
DWORD WINAPI
#else
void*
#endif
thread_run_wrapper( void* paramPtr ) {
struct thread_Settings* thread = (struct thread_Settings*) paramPtr;
// which type of object are we
switch ( thread->mThreadMode ) {
case kMode_Server:
{
/* Spawn a Server thread with these settings */
server_spawn( thread );
} break;
case kMode_Client:
{
/* Spawn a Client thread with these settings */
client_spawn( thread );
} break;
case kMode_Reporter:
{
/* Spawn a Reporter thread with these settings */
reporter_spawn( thread );
} break;
case kMode_Listener:
{
// Increment the non-terminating thread count
thread_register_nonterm();
/* Spawn a Listener thread with these settings */
listener_spawn( thread );
// Decrement the non-terminating thread count
thread_unregister_nonterm();
} break;
default:
{
FAIL(1, "Unknown Thread Type!\n", thread);
} break;
}
#ifdef HAVE_POSIX_THREAD
// detach Thread. If someone already joined it will not do anything
// If noone has then it will free resources upon return from this
// function (Run_Wrapper)
pthread_detach(thread->mTID);
#endif
// decrement thread count and send condition signal
Condition_Lock( thread_sNum_cond );
thread_sNum--;
Condition_Signal( &thread_sNum_cond );
Condition_Unlock( thread_sNum_cond );
// Check if we need to start up a thread after executing this one
if ( thread->runNext != NULL ) {
thread_start( thread->runNext );
}
// Destroy this thread object
Settings_Destroy( thread );
return 0;
} // end run_wrapper
DWORD WINAPI
#else
void*
#endif /* HAVE_WIN32_THREAD */
thread_run_wrapper( void* paramPtr ) {
struct thread_Settings* thread = (struct thread_Settings*) paramPtr;
IPERF_DEBUGF( THREAD_DEBUG | IPERF_DBG_TRACE | IPERF_DBG_STATE, ( "%s thread is now running. ID is %lu.\r\n", thread_names[thread->mThreadMode], (long unsigned) thread_getid() ) );
// which type of object are we
switch ( thread->mThreadMode ) {
case kMode_Server:
{
/* Spawn a Server thread with these settings */
server_spawn( thread );
} break;
case kMode_Client:
{
/* Spawn a Client thread with these settings */
client_spawn( thread );
} break;
case kMode_Reporter:
{
/* Spawn a Reporter thread with these settings */
reporter_spawn( thread );
} break;
case kMode_Listener:
{
// Increment the non-terminating thread count
thread_register_nonterm();
/* Spawn a Listener thread with these settings */
listener_spawn( thread );
// Decrement the non-terminating thread count
thread_unregister_nonterm();
} break;
default:
{
FAIL(1, ( "Unknown Thread Type!\r\n" ), thread);
} break;
}
#ifdef HAVE_POSIX_THREAD
// detach Thread. If someone already joined it will not do anything
// If noone has then it will free resources upon return from this
// function (Run_Wrapper)
IPERF_DEBUGF( THREAD_DEBUG | IPERF_DBG_TRACE, ( "Detaching %s thread.\r\n", thread_names[thread->mThreadMode] ) );
pthread_detach(thread->mTID);
#endif /* HAVE_POSIX_THREAD */
// decrement thread count and send condition signal
Condition_Lock( thread_sNum_cond );
IPERF_DEBUGF( THREAD_DEBUG | IPERF_DBG_TRACE, ( "Decrementing thread count from %d to %d.\r\n", thread_sNum, (thread_sNum - 1) ) );
thread_sNum--;
IPERF_DEBUGF( CONDITION_DEBUG | IPERF_DBG_TRACE, ( "Signaling thread_sNum_cond condition.\r\n" ) );
Condition_Signal( &thread_sNum_cond );
Condition_Unlock( thread_sNum_cond );
// Check if we need to start up a thread after executing this one
if ( thread->runNext != NULL ) {
thread_start( thread->runNext );
}
// Destroy this thread object
Settings_Destroy( thread );
return 0;
} // end thread_run_wrapper
