1*b1cdbd2cSJim Jagielski /**************************************************************
2*b1cdbd2cSJim Jagielski  *
3*b1cdbd2cSJim Jagielski  * Licensed to the Apache Software Foundation (ASF) under one
4*b1cdbd2cSJim Jagielski  * or more contributor license agreements.  See the NOTICE file
5*b1cdbd2cSJim Jagielski  * distributed with this work for additional information
6*b1cdbd2cSJim Jagielski  * regarding copyright ownership.  The ASF licenses this file
7*b1cdbd2cSJim Jagielski  * to you under the Apache License, Version 2.0 (the
8*b1cdbd2cSJim Jagielski  * "License"); you may not use this file except in compliance
9*b1cdbd2cSJim Jagielski  * with the License.  You may obtain a copy of the License at
10*b1cdbd2cSJim Jagielski  *
11*b1cdbd2cSJim Jagielski  *   http://www.apache.org/licenses/LICENSE-2.0
12*b1cdbd2cSJim Jagielski  *
13*b1cdbd2cSJim Jagielski  * Unless required by applicable law or agreed to in writing,
14*b1cdbd2cSJim Jagielski  * software distributed under the License is distributed on an
15*b1cdbd2cSJim Jagielski  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16*b1cdbd2cSJim Jagielski  * KIND, either express or implied.  See the License for the
17*b1cdbd2cSJim Jagielski  * specific language governing permissions and limitations
18*b1cdbd2cSJim Jagielski  * under the License.
19*b1cdbd2cSJim Jagielski  *
20*b1cdbd2cSJim Jagielski  *************************************************************/
21*b1cdbd2cSJim Jagielski 
22*b1cdbd2cSJim Jagielski #include "macros.h"
23*b1cdbd2cSJim Jagielski #include <tlhelp32.h>
24*b1cdbd2cSJim Jagielski 
25*b1cdbd2cSJim Jagielski IMPLEMENT_THUNK( psapi, WINDOWS, BOOL, WINAPI, EnumProcesses, ( LPDWORD lpProcesses, DWORD cbSize, LPDWORD lpcbCopied ) )
26*b1cdbd2cSJim Jagielski {
27*b1cdbd2cSJim Jagielski 	BOOL	fSuccess = FALSE;
28*b1cdbd2cSJim Jagielski 	HANDLE	hSnapshot = CreateToolhelp32Snapshot( TH32CS_SNAPPROCESS, 0 );
29*b1cdbd2cSJim Jagielski 
30*b1cdbd2cSJim Jagielski 	if ( IsValidHandle( hSnapshot ) )
31*b1cdbd2cSJim Jagielski 	{
32*b1cdbd2cSJim Jagielski 		PROCESSENTRY32	pe;
33*b1cdbd2cSJim Jagielski 
34*b1cdbd2cSJim Jagielski 		if ( lpcbCopied )
35*b1cdbd2cSJim Jagielski 			*lpcbCopied = 0;
36*b1cdbd2cSJim Jagielski 
37*b1cdbd2cSJim Jagielski 		pe.dwSize = sizeof(pe);
38*b1cdbd2cSJim Jagielski 		if ( Process32First( hSnapshot, &pe ) )
39*b1cdbd2cSJim Jagielski 		{
40*b1cdbd2cSJim Jagielski 			fSuccess = TRUE;
41*b1cdbd2cSJim Jagielski 
42*b1cdbd2cSJim Jagielski 			while ( cbSize >= sizeof(*lpProcesses) )
43*b1cdbd2cSJim Jagielski 			{
44*b1cdbd2cSJim Jagielski 				*(lpProcesses++) = pe.th32ProcessID;
45*b1cdbd2cSJim Jagielski 				if ( lpcbCopied )
46*b1cdbd2cSJim Jagielski 					*lpcbCopied += sizeof(*lpProcesses);
47*b1cdbd2cSJim Jagielski 				cbSize -= sizeof(*lpProcesses);
48*b1cdbd2cSJim Jagielski 
49*b1cdbd2cSJim Jagielski 				if ( !Process32Next( hSnapshot, &pe ) )
50*b1cdbd2cSJim Jagielski 					break;
51*b1cdbd2cSJim Jagielski 			}
52*b1cdbd2cSJim Jagielski 		}
53*b1cdbd2cSJim Jagielski 
54*b1cdbd2cSJim Jagielski 		CloseHandle( hSnapshot );
55*b1cdbd2cSJim Jagielski 	}
56*b1cdbd2cSJim Jagielski 	else
57*b1cdbd2cSJim Jagielski 		SetLastError( ERROR_INVALID_HANDLE );
58*b1cdbd2cSJim Jagielski 
59*b1cdbd2cSJim Jagielski 	return fSuccess;
60*b1cdbd2cSJim Jagielski }
61*b1cdbd2cSJim Jagielski 
62*b1cdbd2cSJim Jagielski 
63