reactos/reactos/lib/kernel32/process/proc.c

/* $Id: proc.c,v 1.50 2003/01/15 21:24:35 chorns Exp $
 *
 * COPYRIGHT:       See COPYING in the top level directory
 * PROJECT:         ReactOS system libraries
 * FILE:            lib/kernel32/proc/proc.c
 * PURPOSE:         Process functions
 * PROGRAMMER:      Ariadne ( ariadne@xs4all.nl)
 * UPDATE HISTORY:
 *                  Created 01/11/98
 */

/* INCLUDES ****************************************************************/

#include <k32.h>


#define NDEBUG
#include <kernel32/kernel32.h>


/* GLOBALS *******************************************************************/

WaitForInputIdleType  lpfnGlobalRegisterWaitForInputIdle;

LPSTARTUPINFO lpLocalStartupInfo = NULL;

VOID STDCALL
RegisterWaitForInputIdle (WaitForInputIdleType	lpfnRegisterWaitForInputIdle);


/* FUNCTIONS ****************************************************************/

WINBOOL STDCALL
GetProcessId (HANDLE	hProcess, LPDWORD	lpProcessId);

WINBOOL STDCALL
GetProcessAffinityMask(HANDLE hProcess,
		       LPDWORD lpProcessAffinityMask,
		       LPDWORD lpSystemAffinityMask)
{
  if ((NULL == lpProcessAffinityMask)
      || (NULL == lpSystemAffinityMask))
    {
      SetLastError(ERROR_BAD_ARGUMENTS);
      return(FALSE);
    }

  /* FIXME: check hProcess is actually a process */
  /* FIXME: query the kernel process object */
  *lpProcessAffinityMask = 0x00000001;
  *lpSystemAffinityMask  = 0x00000001;

  return(TRUE);
}


WINBOOL STDCALL
GetProcessShutdownParameters(LPDWORD lpdwLevel,
			     LPDWORD lpdwFlags)
{
  CSRSS_API_REQUEST CsrRequest;
  CSRSS_API_REPLY CsrReply;
  NTSTATUS Status;

  CsrRequest.Type = CSRSS_GET_SHUTDOWN_PARAMETERS;
  Status = CsrClientCallServer(&CsrRequest,
			       &CsrReply,
			       sizeof(CSRSS_API_REQUEST),
			       sizeof(CSRSS_API_REPLY));
  if (!NT_SUCCESS(Status) || !NT_SUCCESS(CsrReply.Status))
    {
      SetLastError(Status);
      return(FALSE);
    }

  *lpdwLevel = CsrReply.Data.GetShutdownParametersReply.Level;
  *lpdwFlags = CsrReply.Data.GetShutdownParametersReply.Flags;

  return(TRUE);
}


WINBOOL STDCALL
SetProcessShutdownParameters(DWORD dwLevel,
			     DWORD dwFlags)
{
  CSRSS_API_REQUEST CsrRequest;
  CSRSS_API_REPLY CsrReply;
  NTSTATUS Status;

  CsrRequest.Data.SetShutdownParametersRequest.Level = dwLevel;
  CsrRequest.Data.SetShutdownParametersRequest.Flags = dwFlags;

  CsrRequest.Type = CSRSS_SET_SHUTDOWN_PARAMETERS;
  Status = CsrClientCallServer(&CsrRequest,
			       &CsrReply,
			       sizeof(CSRSS_API_REQUEST),
			       sizeof(CSRSS_API_REPLY));
  if (!NT_SUCCESS(Status) || !NT_SUCCESS(CsrReply.Status))
    {
      SetLastError(Status);
      return(FALSE);
    }

  return(TRUE);
}


WINBOOL STDCALL
GetProcessWorkingSetSize(HANDLE hProcess,
			 LPDWORD lpMinimumWorkingSetSize,
			 LPDWORD lpMaximumWorkingSetSize)
{
  SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
  return(FALSE);
}


WINBOOL STDCALL
SetProcessWorkingSetSize(HANDLE hProcess,
			 DWORD dwMinimumWorkingSetSize,
			 DWORD dwMaximumWorkingSetSize)
{
  SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
  return(FALSE);
}


WINBOOL STDCALL
GetProcessTimes(HANDLE hProcess,
		LPFILETIME lpCreationTime,
		LPFILETIME lpExitTime,
		LPFILETIME lpKernelTime,
		LPFILETIME lpUserTime)
{
  KERNEL_USER_TIMES Kut;
  NTSTATUS Status;

  Status = NtQueryInformationProcess(hProcess,
				     ProcessTimes,
				     &Kut,
				     sizeof(Kut),
				     NULL);
  if (!NT_SUCCESS(Status))
    {
      SetLastErrorByStatus(Status);
      return(FALSE);
    }

  lpCreationTime->dwLowDateTime	= Kut.CreateTime.u.LowPart;
  lpCreationTime->dwHighDateTime = Kut.CreateTime.u.HighPart;

  lpExitTime->dwLowDateTime = Kut.ExitTime.u.LowPart;
  lpExitTime->dwHighDateTime = Kut.ExitTime.u.HighPart;

  lpKernelTime->dwLowDateTime = Kut.KernelTime.u.LowPart;
  lpKernelTime->dwHighDateTime = Kut.KernelTime.u.HighPart;

  lpUserTime->dwLowDateTime = Kut.UserTime.u.LowPart;
  lpUserTime->dwHighDateTime = Kut.UserTime.u.HighPart;

  return(TRUE);
}


HANDLE STDCALL
GetCurrentProcess(VOID)
{
  return((HANDLE)NtCurrentProcess());
}


HANDLE STDCALL
GetCurrentThread(VOID)
{
  return((HANDLE)NtCurrentThread());
}


DWORD STDCALL
GetCurrentProcessId(VOID)
{
  return((DWORD)GetTeb()->Cid.UniqueProcess);
}


WINBOOL STDCALL
GetExitCodeProcess(HANDLE hProcess,
		   LPDWORD lpExitCode)
{
  PROCESS_BASIC_INFORMATION ProcessBasic;
  ULONG BytesWritten;
  NTSTATUS Status;

  Status = NtQueryInformationProcess(hProcess,
				     ProcessBasicInformation,
				     &ProcessBasic,
				     sizeof(PROCESS_BASIC_INFORMATION),
				     &BytesWritten);
  if (!NT_SUCCESS(Status))
    {
      SetLastErrorByStatus(Status);
      return(FALSE);
     }

  memcpy(lpExitCode, &ProcessBasic.ExitStatus, sizeof(DWORD));

  return(TRUE);
}


WINBOOL STDCALL
GetProcessId(HANDLE hProcess,
	     LPDWORD lpProcessId)
{
   NTSTATUS errCode;
   PROCESS_BASIC_INFORMATION ProcessBasic;
   ULONG BytesWritten;

   errCode = NtQueryInformationProcess(hProcess,
				       ProcessBasicInformation,
				       &ProcessBasic,
				       sizeof(PROCESS_BASIC_INFORMATION),
				       &BytesWritten);
   if (!NT_SUCCESS(errCode))
     {
	SetLastErrorByStatus (errCode);
	return FALSE;
     }
   memcpy( lpProcessId ,&ProcessBasic.UniqueProcessId,sizeof(DWORD));
   return TRUE;
}


HANDLE STDCALL
OpenProcess(DWORD dwDesiredAccess,
	    WINBOOL bInheritHandle,
	    DWORD dwProcessId)
{
   NTSTATUS errCode;
   HANDLE ProcessHandle;
   OBJECT_ATTRIBUTES ObjectAttributes;
   CLIENT_ID ClientId ;
   
   ClientId.UniqueProcess = (HANDLE)dwProcessId;
   ClientId.UniqueThread = INVALID_HANDLE_VALUE;
   
   ObjectAttributes.Length = sizeof(OBJECT_ATTRIBUTES);
   ObjectAttributes.RootDirectory = (HANDLE)NULL;
   ObjectAttributes.SecurityDescriptor = NULL;
   ObjectAttributes.SecurityQualityOfService = NULL;
   ObjectAttributes.ObjectName = NULL;
   
   if (bInheritHandle == TRUE)
     ObjectAttributes.Attributes = OBJ_INHERIT;
   else
     ObjectAttributes.Attributes = 0;
   
   errCode = NtOpenProcess(&ProcessHandle,
			   dwDesiredAccess,
			   &ObjectAttributes,
			   &ClientId);
   if (!NT_SUCCESS(errCode))
     {
	SetLastErrorByStatus (errCode);
	return NULL;
     }
   return ProcessHandle;
}


UINT STDCALL
WinExec(LPCSTR lpCmdLine,
	UINT uCmdShow)
{
   STARTUPINFOA StartupInfo;
   PROCESS_INFORMATION  ProcessInformation;
   HINSTANCE hInst;
   DWORD dosErr;

   StartupInfo.cb = sizeof(STARTUPINFOA);
   StartupInfo.wShowWindow = uCmdShow;
   StartupInfo.dwFlags = 0;

   hInst = (HINSTANCE)CreateProcessA(NULL,
				     (PVOID)lpCmdLine,
				     NULL,
				     NULL,
				     FALSE,
				     0,
				     NULL,
				     NULL,
				     &StartupInfo,
				     &ProcessInformation);
   if ( hInst == NULL )
     {
	dosErr = GetLastError();
	return dosErr;
     }
   if (NULL != lpfnGlobalRegisterWaitForInputIdle)
   {
     lpfnGlobalRegisterWaitForInputIdle (
	ProcessInformation.hProcess,
	10000
	);
   }
   NtClose (ProcessInformation.hProcess);
   NtClose (ProcessInformation.hThread);
   return 0;	
}


VOID STDCALL
RegisterWaitForInputIdle (
	WaitForInputIdleType	lpfnRegisterWaitForInputIdle
	)
{
	lpfnGlobalRegisterWaitForInputIdle = lpfnRegisterWaitForInputIdle;
	return;
}


DWORD STDCALL
WaitForInputIdle (
	HANDLE	hProcess,
	DWORD	dwMilliseconds
	)
{
	return 0;
}


VOID STDCALL
Sleep(DWORD dwMilliseconds)
{
  SleepEx(dwMilliseconds, FALSE);
  return;
}


DWORD STDCALL
SleepEx(DWORD dwMilliseconds,
	BOOL bAlertable)
{
  TIME Interval;
  NTSTATUS errCode;
  
  if (dwMilliseconds != INFINITE)
    {
      /*
       * System time units are 100 nanoseconds (a nanosecond is a billionth of
       * a second).
       */
      Interval.QuadPart = dwMilliseconds;
      Interval.QuadPart = -(Interval.QuadPart * 10000);
    }  
  else
    {
      /* Approximately 292000 years hence */
      Interval.QuadPart = -0x7FFFFFFFFFFFFFFF;
    }

  errCode = NtDelayExecution (bAlertable, &Interval);
  if (!NT_SUCCESS(errCode))
    {
      SetLastErrorByStatus (errCode);
      return -1;
    }
  return 0;
}


VOID STDCALL
GetStartupInfoW(LPSTARTUPINFOW lpStartupInfo)
{
  PRTL_USER_PROCESS_PARAMETERS Params;

  if (lpStartupInfo == NULL)
    {
      SetLastError(ERROR_INVALID_PARAMETER);
      return;
    }

  Params = NtCurrentPeb()->ProcessParameters;

  lpStartupInfo->cb = sizeof(STARTUPINFOW);
  lpStartupInfo->lpDesktop = Params->DesktopInfo.Buffer;
  lpStartupInfo->lpTitle = Params->WindowTitle.Buffer;
  lpStartupInfo->dwX = Params->dwX;
  lpStartupInfo->dwY = Params->dwY;
  lpStartupInfo->dwXSize = Params->dwXSize;
  lpStartupInfo->dwYSize = Params->dwYSize;
  lpStartupInfo->dwXCountChars = Params->dwXCountChars;
  lpStartupInfo->dwYCountChars = Params->dwYCountChars;
  lpStartupInfo->dwFillAttribute = Params->dwFillAttribute;
  lpStartupInfo->dwFlags = Params->dwFlags;
  lpStartupInfo->wShowWindow = Params->wShowWindow;
  lpStartupInfo->lpReserved = Params->ShellInfo.Buffer;
  lpStartupInfo->cbReserved2 = Params->RuntimeInfo.Length;
  lpStartupInfo->lpReserved2 = (LPBYTE)Params->RuntimeInfo.Buffer;

  lpStartupInfo->hStdInput = Params->hStdInput;
  lpStartupInfo->hStdOutput = Params->hStdOutput;
  lpStartupInfo->hStdError = Params->hStdError;
}


VOID STDCALL
GetStartupInfoA(LPSTARTUPINFOA lpStartupInfo)
{
  PRTL_USER_PROCESS_PARAMETERS Params;
  ANSI_STRING AnsiString;

  if (lpStartupInfo == NULL)
    {
	SetLastError(ERROR_INVALID_PARAMETER);
	return;
    }

  Params = NtCurrentPeb ()->ProcessParameters;

  RtlAcquirePebLock ();

  if (lpLocalStartupInfo == NULL)
    {
	/* create new local startup info (ansi) */
	lpLocalStartupInfo = RtlAllocateHeap (RtlGetProcessHeap (),
	                                      0,
	                                      sizeof(STARTUPINFOA));

	lpLocalStartupInfo->cb = sizeof(STARTUPINFOA);

	/* copy window title string */
	RtlUnicodeStringToAnsiString (&AnsiString,
	                              &Params->WindowTitle,
	                              TRUE);
	lpLocalStartupInfo->lpTitle = AnsiString.Buffer;

	/* copy desktop info string */
	RtlUnicodeStringToAnsiString (&AnsiString,
	                              &Params->DesktopInfo,
	                              TRUE);
	lpLocalStartupInfo->lpDesktop = AnsiString.Buffer;

	/* copy shell info string */
	RtlUnicodeStringToAnsiString (&AnsiString,
	                              &Params->ShellInfo,
	                              TRUE);
	lpLocalStartupInfo->lpReserved = AnsiString.Buffer;

	lpLocalStartupInfo->dwX = Params->dwX;
	lpLocalStartupInfo->dwY = Params->dwY;
	lpLocalStartupInfo->dwXSize = Params->dwXSize;
	lpLocalStartupInfo->dwYSize = Params->dwYSize;
	lpLocalStartupInfo->dwXCountChars = Params->dwXCountChars;
	lpLocalStartupInfo->dwYCountChars = Params->dwYCountChars;
	lpLocalStartupInfo->dwFillAttribute = Params->dwFillAttribute;
	lpLocalStartupInfo->dwFlags = Params->dwFlags;
	lpLocalStartupInfo->wShowWindow = Params->wShowWindow;
	lpLocalStartupInfo->cbReserved2 = Params->RuntimeInfo.Length;
	lpLocalStartupInfo->lpReserved2 = (LPBYTE)Params->RuntimeInfo.Buffer;

	lpLocalStartupInfo->hStdInput = Params->hStdInput;
	lpLocalStartupInfo->hStdOutput = Params->hStdOutput;
	lpLocalStartupInfo->hStdError = Params->hStdError;
     }

   RtlReleasePebLock ();

   /* copy local startup info data to external startup info */
   memcpy (lpStartupInfo,
           lpLocalStartupInfo,
           sizeof(STARTUPINFOA));
}


BOOL STDCALL
FlushInstructionCache (HANDLE	hProcess,
		       LPCVOID	lpBaseAddress,
		       DWORD	dwSize)
{
  NTSTATUS Status;
  
  Status = NtFlushInstructionCache(hProcess,
				   (PVOID)lpBaseAddress,
				   dwSize);
  if (!NT_SUCCESS(Status))
    {
      SetLastErrorByStatus(Status);
      return FALSE;
    }
  return TRUE;
}


VOID STDCALL
ExitProcess(UINT uExitCode)
{
  CSRSS_API_REQUEST CsrRequest;
  CSRSS_API_REPLY CsrReply;
  NTSTATUS Status;
  
  /* unload all dll's */
  LdrShutdownProcess ();

  /* notify csrss of process termination */
  CsrRequest.Type = CSRSS_TERMINATE_PROCESS;
  Status = CsrClientCallServer(&CsrRequest, 
			       &CsrReply,
			       sizeof(CSRSS_API_REQUEST),
			       sizeof(CSRSS_API_REPLY));
  if (!NT_SUCCESS(Status) || !NT_SUCCESS(CsrReply.Status))
    {
      DbgPrint("Failed to tell csrss about terminating process. "
	       "Expect trouble.\n");
    }
  
  
  NtTerminateProcess (NtCurrentProcess (),
		      uExitCode);
}


WINBOOL STDCALL
TerminateProcess (HANDLE	hProcess,
		  UINT	uExitCode)
{
  NTSTATUS Status;

  Status = NtTerminateProcess (hProcess, uExitCode);
  if (NT_SUCCESS(Status))
    {
      return TRUE;
    }
  SetLastErrorByStatus (Status);
  return FALSE;
}


VOID STDCALL
FatalAppExitA (UINT	uAction,
	       LPCSTR	lpMessageText)
{
  UNICODE_STRING MessageTextU;
  ANSI_STRING MessageText;
  
  RtlInitAnsiString (&MessageText, (LPSTR) lpMessageText);

  RtlAnsiStringToUnicodeString (&MessageTextU,
				&MessageText,
				TRUE);

  FatalAppExitW (uAction, MessageTextU.Buffer);

  RtlFreeUnicodeString (&MessageTextU);
}


VOID STDCALL
FatalAppExitW(UINT uAction,
	      LPCWSTR lpMessageText)
{
  return;
}


VOID STDCALL
FatalExit (int ExitCode)
{
  ExitProcess(ExitCode);
}


DWORD STDCALL
GetPriorityClass (HANDLE	hProcess)
{
  HANDLE		hProcessTmp;
  DWORD		CsrPriorityClass = 0; // This tells CSRSS we want to GET it!
  NTSTATUS	Status;
	
  Status = 
    NtDuplicateObject (GetCurrentProcess(),
		       hProcess,
		       GetCurrentProcess(),
		       &hProcessTmp,
		       (PROCESS_SET_INFORMATION | PROCESS_QUERY_INFORMATION),
		       FALSE,
		       0);
  if (!NT_SUCCESS(Status))
    {
      SetLastErrorByStatus (Status);
      return (0); /* ERROR */
    }
  /* Ask CSRSS to set it */
  CsrSetPriorityClass (hProcessTmp, &CsrPriorityClass);
  NtClose (hProcessTmp);
  /* Translate CSR->W32 priorities */
  switch (CsrPriorityClass)
    {
    case CSR_PRIORITY_CLASS_NORMAL:
      return (NORMAL_PRIORITY_CLASS);	/* 32 */
    case CSR_PRIORITY_CLASS_IDLE:
      return (IDLE_PRIORITY_CLASS);	/* 64 */
    case CSR_PRIORITY_CLASS_HIGH:
      return (HIGH_PRIORITY_CLASS);	/* 128 */
    case CSR_PRIORITY_CLASS_REALTIME:
      return (REALTIME_PRIORITY_CLASS);	/* 256 */
    }
  SetLastError (ERROR_ACCESS_DENIED);
  return (0); /* ERROR */
}



WINBOOL STDCALL
SetPriorityClass (HANDLE	hProcess,
		  DWORD	dwPriorityClass)
{
  HANDLE		hProcessTmp;
  DWORD		CsrPriorityClass;
  NTSTATUS	Status;
  
  switch (dwPriorityClass)
    {
    case NORMAL_PRIORITY_CLASS:	/* 32 */
      CsrPriorityClass = CSR_PRIORITY_CLASS_NORMAL;
      break;
    case IDLE_PRIORITY_CLASS:	/* 64 */
      CsrPriorityClass = CSR_PRIORITY_CLASS_IDLE;
      break;
    case HIGH_PRIORITY_CLASS:	/* 128 */
      CsrPriorityClass = CSR_PRIORITY_CLASS_HIGH;
      break;
    case REALTIME_PRIORITY_CLASS:	/* 256 */
      CsrPriorityClass = CSR_PRIORITY_CLASS_REALTIME;
      break;
    default:
      SetLastError (ERROR_INVALID_PARAMETER);
      return (FALSE);
    }
  Status = 
    NtDuplicateObject (GetCurrentProcess(),
		       hProcess,
		       GetCurrentProcess(),
		       &hProcessTmp,
		       (PROCESS_SET_INFORMATION | PROCESS_QUERY_INFORMATION),
		       FALSE,
		       0);
  if (!NT_SUCCESS(Status))
    {
      SetLastErrorByStatus (Status);
      return (FALSE); /* ERROR */
    }
  /* Ask CSRSS to set it */
  Status = CsrSetPriorityClass (hProcessTmp, &CsrPriorityClass);
  NtClose (hProcessTmp);
  if (!NT_SUCCESS(Status))
    {
      SetLastErrorByStatus (Status);
      return (FALSE);
    }
  return (TRUE);
}


DWORD STDCALL
GetProcessVersion (DWORD	ProcessId)
{
  DWORD			Version = 0;
  PIMAGE_NT_HEADERS	NtHeader = NULL;
  PVOID			BaseAddress = NULL;

  /* Caller's */
  if (0 == ProcessId)
    {
      BaseAddress = (PVOID) NtCurrentPeb()->ImageBaseAddress;
      NtHeader = RtlImageNtHeader (BaseAddress);
      if (NULL != NtHeader)
	{
	  Version =
	    (NtHeader->OptionalHeader.MajorOperatingSystemVersion << 16) | 
	    (NtHeader->OptionalHeader.MinorOperatingSystemVersion);
	}
    }
  else /* other process */
    {
      /* FIXME: open the other process */
      SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
    }
  return (Version);
}


BOOL STDCALL
SetProcessAffinityMask(HANDLE hProcess, DWORD dwProcessAffinityMask)
{
    return FALSE;
}


/* EOF */