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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
/*=============================================================================
**
** Source: test7.c
**
** Dependencies: PAL_Initialize
** PAL_Terminate
** CreateEvent
** SetEvent
** CreateThread
** ResumeThread
** WaitForMultipleObjectsEx
** CloseHandle
**
** Purpose:
**
** Test to ensure proper operation of the QueueUserAPC()
** API by trying to queue an APC function on a thread and
** activating it with WaitForMultipleObjectsEx.
**
**
**===========================================================================*/
#include <palsuite.h>
static HANDLE hSyncEvent = NULL;
static HANDLE hTestEvent = NULL;
static int nAPCExecuted = 0;
static BOOL bThreadResult = FALSE;
VOID PALAPI APCFunc( ULONG_PTR dwParam )
{
++nAPCExecuted;
}
/**
* ThreadFunc
*
* Dummy thread function for APC queuing.
*/
DWORD PALAPI ThreadFunc( LPVOID param )
{
DWORD ret = 0;
/* pessimism */
bThreadResult = FALSE;
/* set the sync event to notify the main thread */
if( ! SetEvent( hSyncEvent ) )
{
Trace( "ERROR:%lu:SetEvent() call failed\n", GetLastError() );
goto done;
}
/* wait until the test event is signalled */
ret = WaitForSingleObject( hTestEvent, INFINITE );
if( ret != WAIT_OBJECT_0 )
{
Trace( "ERROR:WaitForSingleObject() returned %lu, "
"expected WAIT_OBJECT_0\n",
ret );
goto done;
}
/* now do an alertable wait on the same event, which is now
in an unsignalled state */
ret = WaitForMultipleObjectsEx( 1, &hTestEvent, TRUE, 2000, TRUE );
/* verify that we got a WAIT_IO_COMPLETION result */
if( ret != WAIT_IO_COMPLETION )
{
Trace( "ERROR:WaitForMultipleObjectsEx returned %lu, "
"expected WAIT_IO_COMPLETION\n",
ret );
goto done;
}
/* set the event again */
if( ! SetEvent( hTestEvent ) )
{
Trace( "ERROR:%lu:SetEvent() call failed\n", GetLastError() );
goto done;
}
/* do a non-alertable wait on the same event */
ret = WaitForMultipleObjectsEx( 1, &hTestEvent, TRUE, INFINITE, FALSE );
/* verify that we got a WAIT_OBJECT_0 result */
if( ret != WAIT_OBJECT_0 )
{
Trace( "ERROR:WaitForMultipleObjectsEx returned %lu, "
"expected WAIT_OBJECT_0\n",
ret );
goto done;
}
/* success at this point */
bThreadResult = TRUE;
done:
return bThreadResult;
}
int __cdecl main( int argc, char **argv )
{
/* local variables */
HANDLE hThread = NULL;
DWORD IDThread;
DWORD ret;
BOOL bResult = FALSE;
/* PAL initialization */
if( (PAL_Initialize(argc, argv)) != 0 )
{
return( FAIL );
}
/* create an auto-reset event for the other thread to wait on */
hTestEvent = CreateEvent( NULL, FALSE, FALSE, NULL );
if( hTestEvent == NULL )
{
Fail( "ERROR:%lu:CreateEvent() call failed\n", GetLastError() );
}
/* create an auto-reset event for synchronization */
hSyncEvent = CreateEvent( NULL, FALSE, FALSE, NULL );
if( hSyncEvent == NULL )
{
Trace( "ERROR:%lu:CreateEvent() call failed\n", GetLastError() );
if( ! CloseHandle( hTestEvent ) )
{
Trace( "ERROR:%lu:CreateEvent() call failed\n", GetLastError() );
}
Fail( "test failed\n" );
}
/* run another dummy thread to cause notification of the library */
hThread = CreateThread( NULL, /* no security attributes */
0, /* use default stack size */
(LPTHREAD_START_ROUTINE) ThreadFunc, /* thread function */
(LPVOID) NULL, /* pass thread index as */
/* function argument */
CREATE_SUSPENDED, /* create suspended */
&IDThread ); /* returns thread id */
/* Check the return value for success. */
if( hThread == NULL )
{
/* error creating thread */
Trace( "ERROR:%lu:CreateThread call failed\n", GetLastError() );
if( ! CloseHandle( hTestEvent ) )
{
Trace( "ERROR:%lu:CloseHandle() call failed\n", GetLastError() );
}
Fail( "test failed\n" );
}
/* Resume the suspended thread */
ResumeThread( hThread );
/* wait until the other thread is ready to proceed */
ret = WaitForSingleObject( hSyncEvent, 10000 );
if( ret != WAIT_OBJECT_0 )
{
Trace( "ERROR:WaitForSingleObject returned %lu, "
"expected WAIT_OBJECT_0\n",
ret );
goto cleanup;
}
/* now queue our APC on the test thread */
ret = QueueUserAPC( APCFunc, hThread, 0 );
if( ret == 0 )
{
Trace( "ERROR:%lu:QueueUserAPC call failed\n", GetLastError() );
goto cleanup;
}
/* signal the test event so the other thread will proceed */
if( ! SetEvent( hTestEvent ) )
{
Trace( "ERROR:%lu:SetEvent() call failed\n", GetLastError() );
goto cleanup;
}
/* wait on the other thread to complete */
ret = WaitForSingleObject( hThread, INFINITE );
if( ret != WAIT_OBJECT_0 )
{
Trace( "ERROR:WaitForSingleObject() returned %lu, "
"expected WAIT_OBJECT_0\n",
ret );
goto cleanup;
}
/* check the result of the other thread */
if( bThreadResult == FALSE )
{
goto cleanup;
}
/* check that the APC function was actually executed exactly one time */
if( nAPCExecuted != 1 )
{
Trace( "ERROR:APC function was executed %d times, "
"expected once\n", nAPCExecuted );
goto cleanup;
}
/* set the success flag */
bResult = PASS;
cleanup:
/* close the global event handles */
if( ! CloseHandle( hTestEvent ) )
{
Trace( "ERROR:%lu:CloseHandle() call failed\n", GetLastError() );
bResult = FAIL;
}
if( ! CloseHandle( hSyncEvent ) )
{
Trace( "ERROR:%lu:CloseHandle() call failed\n", GetLastError() );
bResult = FAIL;
}
/* close the thread handle */
if( ! CloseHandle( hThread ) )
{
Trace( "ERROR:%lu:CloseHandle() call failed\n", GetLastError() );
bResult = FAIL;
}
/* output final failure result for failure case */
if( bResult == FAIL )
{
Fail( "test failed\n" );
}
/* PAL termination */
PAL_Terminate();
/* return success */
return PASS;
}
|
