wine/dlls/psapi/psapi_main.c
2002-10-22 00:46:46 +00:00

416 lines
10 KiB
C

/*
* PSAPI library
*
* Copyright 1998 Patrik Stridvall
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "winbase.h"
#include "windef.h"
#include "winerror.h"
#include "wine/server.h"
#include "wine/debug.h"
#include "tlhelp32.h"
#include "psapi.h"
WINE_DEFAULT_DEBUG_CHANNEL(psapi);
#include <string.h>
/***********************************************************************
* get pid from hProcess (internal)
*/
static DWORD get_pid_from_process_handle(HANDLE hProcess)
{
DWORD ret = 0;
SERVER_START_REQ( get_process_info )
{
req->handle = hProcess;
if ( !wine_server_call_err( req ) )
ret = (DWORD)reply->pid;
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* EmptyWorkingSet (PSAPI.@)
*/
BOOL WINAPI EmptyWorkingSet(HANDLE hProcess)
{
return SetProcessWorkingSetSize(hProcess, 0xFFFFFFFF, 0xFFFFFFFF);
}
/***********************************************************************
* EnumDeviceDrivers (PSAPI.@)
*/
BOOL WINAPI EnumDeviceDrivers(
LPVOID *lpImageBase, DWORD cb, LPDWORD lpcbNeeded)
{
FIXME("(%p, %ld, %p): stub\n", lpImageBase, cb, lpcbNeeded);
if(lpcbNeeded)
*lpcbNeeded = 0;
return TRUE;
}
/***********************************************************************
* EnumProcesses (PSAPI.@)
*/
BOOL WINAPI EnumProcesses(DWORD *lpidProcess, DWORD cb, DWORD *lpcbNeeded)
{
PROCESSENTRY32 pe;
HANDLE hSnapshot;
BOOL res;
DWORD count;
DWORD countMax;
FIXME("(%p, %ld, %p)\n", lpidProcess,cb, lpcbNeeded);
if ( lpidProcess == NULL )
cb = 0;
if ( lpcbNeeded != NULL )
*lpcbNeeded = 0;
hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS,0);
if ( hSnapshot == INVALID_HANDLE_VALUE )
{
FIXME("cannot create snapshot\n");
return FALSE;
}
count = 0;
countMax = cb / sizeof(DWORD);
while (1)
{
ZeroMemory( &pe, sizeof(PROCESSENTRY32) );
pe.dwSize = sizeof(PROCESSENTRY32);
res = (count == 0) ? Process32First( hSnapshot, &pe ) : Process32Next( hSnapshot, &pe );
if ( !res )
break;
TRACE("process 0x%08lx\n",(long)pe.th32ProcessID);
if ( count < countMax )
lpidProcess[count] = pe.th32ProcessID;
count ++;
}
CloseHandle( hSnapshot );
if ( lpcbNeeded != NULL )
*lpcbNeeded = sizeof(DWORD) * count;
TRACE("return %lu processes\n",count);
return TRUE;
}
/***********************************************************************
* EnumProcessModules (PSAPI.@)
*/
BOOL WINAPI EnumProcessModules(
HANDLE hProcess, HMODULE *lphModule, DWORD cb, LPDWORD lpcbNeeded)
{
MODULEENTRY32 me;
HANDLE hSnapshot;
BOOL res;
DWORD pid;
DWORD count;
DWORD countMax;
FIXME("(hProcess=%p, %p, %ld, %p)\n",
hProcess, lphModule, cb, lpcbNeeded );
if ( lphModule == NULL )
cb = 0;
if ( lpcbNeeded != NULL )
*lpcbNeeded = 0;
pid = get_pid_from_process_handle(hProcess);
if ( pid == 0 )
{
FIXME("no pid for hProcess %p\n",hProcess);
return FALSE;
}
hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPMODULE,pid);
if ( hSnapshot == INVALID_HANDLE_VALUE )
{
FIXME("cannot create snapshot\n");
return FALSE;
}
count = 0;
countMax = cb / sizeof(HMODULE);
while (1)
{
ZeroMemory( &me, sizeof(MODULEENTRY32) );
me.dwSize = sizeof(MODULEENTRY32);
res = (count == 0) ? Module32First( hSnapshot, &me ) : Module32Next( hSnapshot, &me );
if ( !res )
break;
TRACE("module 0x%08lx\n",(long)me.hModule);
if ( count < countMax )
lphModule[count] = me.hModule;
count ++;
}
CloseHandle( hSnapshot );
if ( lpcbNeeded != NULL )
*lpcbNeeded = sizeof(HMODULE) * count;
TRACE("return %lu modules\n",count);
return TRUE;
}
/***********************************************************************
* GetDeviceDriverBaseNameA (PSAPI.@)
*/
DWORD WINAPI GetDeviceDriverBaseNameA(
LPVOID ImageBase, LPSTR lpBaseName, DWORD nSize)
{
FIXME("(%p, %s, %ld): stub\n",
ImageBase, debugstr_a(lpBaseName), nSize
);
if(lpBaseName && nSize)
lpBaseName[0] = '\0';
return 0;
}
/***********************************************************************
* GetDeviceDriverBaseNameW (PSAPI.@)
*/
DWORD WINAPI GetDeviceDriverBaseNameW(
LPVOID ImageBase, LPWSTR lpBaseName, DWORD nSize)
{
FIXME("(%p, %s, %ld): stub\n",
ImageBase, debugstr_w(lpBaseName), nSize
);
if(lpBaseName && nSize)
lpBaseName[0] = '\0';
return 0;
}
/***********************************************************************
* GetDeviceDriverFileNameA (PSAPI.@)
*/
DWORD WINAPI GetDeviceDriverFileNameA(
LPVOID ImageBase, LPSTR lpFilename, DWORD nSize)
{
FIXME("(%p, %s, %ld): stub\n",
ImageBase, debugstr_a(lpFilename), nSize
);
if(lpFilename && nSize)
lpFilename[0] = '\0';
return 0;
}
/***********************************************************************
* GetDeviceDriverFileNameW (PSAPI.@)
*/
DWORD WINAPI GetDeviceDriverFileNameW(
LPVOID ImageBase, LPWSTR lpFilename, DWORD nSize)
{
FIXME("(%p, %s, %ld): stub\n",
ImageBase, debugstr_w(lpFilename), nSize
);
if(lpFilename && nSize)
lpFilename[0] = '\0';
return 0;
}
/***********************************************************************
* GetMappedFileNameA (PSAPI.@)
*/
DWORD WINAPI GetMappedFileNameA(
HANDLE hProcess, LPVOID lpv, LPSTR lpFilename, DWORD nSize)
{
FIXME("(hProcess=%p, %p, %s, %ld): stub\n",
hProcess, lpv, debugstr_a(lpFilename), nSize
);
if(lpFilename && nSize)
lpFilename[0] = '\0';
return 0;
}
/***********************************************************************
* GetMappedFileNameW (PSAPI.@)
*/
DWORD WINAPI GetMappedFileNameW(
HANDLE hProcess, LPVOID lpv, LPWSTR lpFilename, DWORD nSize)
{
FIXME("(hProcess=%p, %p, %s, %ld): stub\n",
hProcess, lpv, debugstr_w(lpFilename), nSize
);
if(lpFilename && nSize)
lpFilename[0] = '\0';
return 0;
}
/***********************************************************************
* GetModuleBaseNameA (PSAPI.@)
*/
DWORD WINAPI GetModuleBaseNameA(
HANDLE hProcess, HMODULE hModule, LPSTR lpBaseName, DWORD nSize)
{
FIXME("(hProcess=%p, hModule=%p, %s, %ld): stub\n",
hProcess, hModule, debugstr_a(lpBaseName), nSize
);
if(lpBaseName && nSize)
lpBaseName[0] = '\0';
return 0;
}
/***********************************************************************
* GetModuleBaseNameW (PSAPI.@)
*/
DWORD WINAPI GetModuleBaseNameW(
HANDLE hProcess, HMODULE hModule, LPWSTR lpBaseName, DWORD nSize)
{
FIXME("(hProcess=%p, hModule=%p, %s, %ld): stub\n",
hProcess, hModule, debugstr_w(lpBaseName), nSize);
if(lpBaseName && nSize)
lpBaseName[0] = '\0';
return 0;
}
/***********************************************************************
* GetModuleFileNameExA (PSAPI.@)
*/
DWORD WINAPI GetModuleFileNameExA(
HANDLE hProcess, HMODULE hModule, LPSTR lpFilename, DWORD nSize)
{
FIXME("(hProcess=%p,hModule=%p, %s, %ld): stub\n",
hProcess, hModule, debugstr_a(lpFilename), nSize
);
if ( get_pid_from_process_handle(hProcess) == GetCurrentProcessId() )
return GetModuleFileNameA( hModule, lpFilename, nSize );
if(lpFilename&&nSize)
lpFilename[0]='\0';
return 0;
}
/***********************************************************************
* GetModuleFileNameExW (PSAPI.@)
*/
DWORD WINAPI GetModuleFileNameExW(
HANDLE hProcess, HMODULE hModule, LPWSTR lpFilename, DWORD nSize)
{
FIXME("(hProcess=%p,hModule=%p, %s, %ld): stub\n",
hProcess, hModule, debugstr_w(lpFilename), nSize
);
if ( get_pid_from_process_handle(hProcess) == GetCurrentProcessId() )
return GetModuleFileNameW( hModule, lpFilename, nSize );
if(lpFilename && nSize)
lpFilename[0] = '\0';
return 0;
}
/***********************************************************************
* GetModuleInformation (PSAPI.@)
*/
BOOL WINAPI GetModuleInformation(
HANDLE hProcess, HMODULE hModule, LPMODULEINFO lpmodinfo, DWORD cb)
{
FIXME("(hProcess=%p, hModule=%p, %p, %ld): stub\n",
hProcess, hModule, lpmodinfo, cb
);
memset(lpmodinfo, 0, cb);
return TRUE;
}
/***********************************************************************
* GetProcessMemoryInfo (PSAPI.@)
*/
BOOL WINAPI GetProcessMemoryInfo(
HANDLE Process, PPROCESS_MEMORY_COUNTERS ppsmemCounters, DWORD cb)
{
FIXME("(hProcess=%p, %p, %ld): stub\n",
Process, ppsmemCounters, cb
);
memset(ppsmemCounters, 0, cb);
return TRUE;
}
/***********************************************************************
* GetWsChanges (PSAPI.@)
*/
BOOL WINAPI GetWsChanges(
HANDLE hProcess, PPSAPI_WS_WATCH_INFORMATION lpWatchInfo, DWORD cb)
{
FIXME("(hProcess=%p, %p, %ld): stub\n",
hProcess, lpWatchInfo, cb
);
memset(lpWatchInfo, 0, cb);
return TRUE;
}
/***********************************************************************
* InitializeProcessForWsWatch (PSAPI.@)
*/
BOOL WINAPI InitializeProcessForWsWatch(HANDLE hProcess)
{
FIXME("(hProcess=%p): stub\n", hProcess);
return TRUE;
}
/***********************************************************************
* QueryWorkingSet (PSAPI.?)
* FIXME
* I haven't been able to find the ordinal for this function,
* This means it can't be called from outside the DLL.
*/
BOOL WINAPI QueryWorkingSet(HANDLE hProcess, LPVOID pv, DWORD cb)
{
FIXME("(hProcess=%p, %p, %ld)\n", hProcess, pv, cb);
if(pv && cb)
((DWORD *) pv)[0] = 0; /* Empty WorkingSet */
return TRUE;
}