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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: test3.c
**
** Purpose: Test to ensure ExitThread() results in any loaded dynamic
** libraries having their entry point called with a THREAD_DETACH
** notification.
**
** Dependencies: PAL_Initialize
** PAL_Terminate
** Fail
** GetCurrentDirectoryW
** CreateThread
** ResumeThread
** LoadLibrary
** FreeLibrary
** GetProcAddress
** WaitForSingleObject
** GetLastError
** strlen
** strncpy
**
**
**===========================================================================*/
#include <palsuite.h>
/* SHLEXT is defined only for Unix variants */
#if defined(SHLEXT)
#define rgchLibraryFile "dllmain"SHLEXT
#define szFunction "GetDetachCount"
#else
#define rgchLibraryFile "dllmain"
#define szFunction "_GetDetachCount@0"
#endif
/* define our test function type */
typedef int ( PALAPI *LPTESTFUNC )( void );
/**
* ThreadFunc
*
* Dummy thread function for causing DLL thread notifications.
*/
DWORD PALAPI ThreadFunc( LPVOID param )
{
/* simulate some brief "work" */
int i;
for( i=0; i<100000; i++ )
;
ExitThread( 0 );
return (0);
}
/* main program entry point */
int __cdecl main( int argc, char **argv )
{
/* local variables */
HANDLE hLib = NULL;
LPTESTFUNC pFunc;
int detachCount1 = 0;
int detachCount2 = 0;
HANDLE hThread = NULL;
DWORD IDThread;
/* initialize the PAL */
if( PAL_Initialize(argc, argv) != 0 )
{
return( FAIL );
}
/* Load the test library */
hLib = LoadLibrary( rgchLibraryFile );
if(hLib == NULL)
{
Fail("ERROR: Unable to load library %s\n", rgchLibraryFile );
}
/* Get the address of our test function in the dll */
pFunc = (LPTESTFUNC)GetProcAddress( hLib, szFunction );
if( pFunc == NULL )
{
Trace( "ERROR:%lu%:Unable to load function \"%s\" library \"%s\"\n",
GetLastError(),
szFunction,
rgchLibraryFile );
if( ! FreeLibrary( hLib ) ) {
Trace( "FreeLibrary() failed with error code %lu\n",
GetLastError() );
}
Fail( "Exiting\n" );
}
/* Execute the test function to get the detach count */
detachCount1 = pFunc();
/* 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( "Unexpected CreateThread error %d\n",
GetLastError() );
if( ! FreeLibrary( hLib ) ) {
Trace( "FreeLibrary() failed with error code %lu\n",
GetLastError() );
}
Fail( "Exiting\n" );
}
/* Resume the suspended thread */
ResumeThread( hThread );
/* wait for the thread to complete */
WaitForSingleObject( hThread, INFINITE );
/* Execute the test function to get the new detach count */
detachCount2 = pFunc();
/* Unload the test library */
if( !FreeLibrary( hLib ) )
{
Fail( "ERROR:%u: Unable to free library \"%s\"\n",
GetLastError(),
rgchLibraryFile );
}
/* validate the result */
if( detachCount2 != (detachCount1 + 1) )
{
Fail( "FAIL: unexpected DLL detach count %d, expected %d\n",
detachCount2,
(detachCount1 + 1) );
}
/* terminate the PAL */
PAL_Terminate();
/* return success */
return PASS;
}
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