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Sweden-Number/dlls/kernelbase/process.c

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/*
* Win32 processes
*
* Copyright 1996, 1998 Alexandre Julliard
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include <string.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#define NONAMELESSUNION
#include "windef.h"
#include "winbase.h"
#include "winnls.h"
#include "winternl.h"
#include "kernelbase.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(process);
static DWORD shutdown_flags = 0;
static DWORD shutdown_priority = 0x280;
/***********************************************************************
* Processes
***********************************************************************/
/****************************************************************************
* FlushInstructionCache (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH FlushInstructionCache( HANDLE process, LPCVOID addr, SIZE_T size )
{
return set_ntstatus( NtFlushInstructionCache( process, addr, size ));
}
/***********************************************************************
* GetCurrentProcess (kernelbase.@)
*/
HANDLE WINAPI kernelbase_GetCurrentProcess(void)
{
return (HANDLE)~(ULONG_PTR)0;
}
/***********************************************************************
* GetCurrentProcessId (kernelbase.@)
*/
DWORD WINAPI kernelbase_GetCurrentProcessId(void)
{
return HandleToULong( NtCurrentTeb()->ClientId.UniqueProcess );
}
/***********************************************************************
* GetErrorMode (kernelbase.@)
*/
UINT WINAPI DECLSPEC_HOTPATCH GetErrorMode(void)
{
UINT mode;
NtQueryInformationProcess( GetCurrentProcess(), ProcessDefaultHardErrorMode,
&mode, sizeof(mode), NULL );
return mode;
}
/***********************************************************************
* GetExitCodeProcess (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetExitCodeProcess( HANDLE process, LPDWORD exit_code )
{
NTSTATUS status;
PROCESS_BASIC_INFORMATION pbi;
status = NtQueryInformationProcess( process, ProcessBasicInformation, &pbi, sizeof(pbi), NULL );
if (status && exit_code) *exit_code = pbi.ExitStatus;
return set_ntstatus( status );
}
/***********************************************************************
* GetPriorityClass (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH GetPriorityClass( HANDLE process )
{
PROCESS_BASIC_INFORMATION pbi;
if (!set_ntstatus( NtQueryInformationProcess( process, ProcessBasicInformation,
&pbi, sizeof(pbi), NULL )))
return 0;
switch (pbi.BasePriority)
{
case PROCESS_PRIOCLASS_IDLE: return IDLE_PRIORITY_CLASS;
case PROCESS_PRIOCLASS_BELOW_NORMAL: return BELOW_NORMAL_PRIORITY_CLASS;
case PROCESS_PRIOCLASS_NORMAL: return NORMAL_PRIORITY_CLASS;
case PROCESS_PRIOCLASS_ABOVE_NORMAL: return ABOVE_NORMAL_PRIORITY_CLASS;
case PROCESS_PRIOCLASS_HIGH: return HIGH_PRIORITY_CLASS;
case PROCESS_PRIOCLASS_REALTIME: return REALTIME_PRIORITY_CLASS;
default: return 0;
}
}
/******************************************************************
* GetProcessHandleCount (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetProcessHandleCount( HANDLE process, DWORD *count )
{
return set_ntstatus( NtQueryInformationProcess( process, ProcessHandleCount,
count, sizeof(*count), NULL ));
}
/***********************************************************************
* GetProcessHeap (kernelbase.@)
*/
HANDLE WINAPI kernelbase_GetProcessHeap(void)
{
return NtCurrentTeb()->Peb->ProcessHeap;
}
/*********************************************************************
* GetProcessId (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH GetProcessId( HANDLE process )
{
PROCESS_BASIC_INFORMATION pbi;
if (!set_ntstatus( NtQueryInformationProcess( process, ProcessBasicInformation,
&pbi, sizeof(pbi), NULL )))
return 0;
return pbi.UniqueProcessId;
}
/**********************************************************************
* GetProcessMitigationPolicy (kernelbase.@)
*/
BOOL WINAPI /* DECLSPEC_HOTPATCH */ GetProcessMitigationPolicy( HANDLE process, PROCESS_MITIGATION_POLICY policy,
void *buffer, SIZE_T length )
{
FIXME( "(%p, %u, %p, %lu): stub\n", process, policy, buffer, length );
return TRUE;
}
/***********************************************************************
* GetProcessPriorityBoost (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetProcessPriorityBoost( HANDLE process, PBOOL disable )
{
FIXME( "(%p,%p): semi-stub\n", process, disable );
*disable = FALSE; /* report that no boost is present */
return TRUE;
}
/***********************************************************************
* GetProcessShutdownParameters (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetProcessShutdownParameters( LPDWORD level, LPDWORD flags )
{
*level = shutdown_priority;
*flags = shutdown_flags;
return TRUE;
}
/***********************************************************************
* GetProcessWorkingSetSizeEx (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH GetProcessWorkingSetSizeEx( HANDLE process, SIZE_T *minset,
SIZE_T *maxset, DWORD *flags)
{
FIXME( "(%p,%p,%p,%p): stub\n", process, minset, maxset, flags );
/* 32 MB working set size */
if (minset) *minset = 32*1024*1024;
if (maxset) *maxset = 32*1024*1024;
if (flags) *flags = QUOTA_LIMITS_HARDWS_MIN_DISABLE | QUOTA_LIMITS_HARDWS_MAX_DISABLE;
return TRUE;
}
/**********************************************************************
* IsWow64Process (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH IsWow64Process( HANDLE process, PBOOL wow64 )
{
ULONG_PTR pbi;
NTSTATUS status;
status = NtQueryInformationProcess( process, ProcessWow64Information, &pbi, sizeof(pbi), NULL );
if (!status) *wow64 = !!pbi;
return set_ntstatus( status );
}
/*********************************************************************
* OpenProcess (kernelbase.@)
*/
HANDLE WINAPI DECLSPEC_HOTPATCH OpenProcess( DWORD access, BOOL inherit, DWORD id )
{
HANDLE handle;
OBJECT_ATTRIBUTES attr;
CLIENT_ID cid;
if (GetVersion() & 0x80000000) access = PROCESS_ALL_ACCESS;
attr.Length = sizeof(OBJECT_ATTRIBUTES);
attr.RootDirectory = 0;
attr.Attributes = inherit ? OBJ_INHERIT : 0;
attr.ObjectName = NULL;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
cid.UniqueProcess = ULongToHandle(id);
cid.UniqueThread = 0;
if (!set_ntstatus( NtOpenProcess( &handle, access, &attr, &cid ))) return NULL;
return handle;
}
/***********************************************************************
* SetErrorMode (kernelbase.@)
*/
UINT WINAPI DECLSPEC_HOTPATCH SetErrorMode( UINT mode )
{
UINT old = GetErrorMode();
NtSetInformationProcess( GetCurrentProcess(), ProcessDefaultHardErrorMode,
&mode, sizeof(mode) );
return old;
}
/***********************************************************************
* SetPriorityClass (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH SetPriorityClass( HANDLE process, DWORD class )
{
PROCESS_PRIORITY_CLASS ppc;
ppc.Foreground = FALSE;
switch (class)
{
case IDLE_PRIORITY_CLASS: ppc.PriorityClass = PROCESS_PRIOCLASS_IDLE; break;
case BELOW_NORMAL_PRIORITY_CLASS: ppc.PriorityClass = PROCESS_PRIOCLASS_BELOW_NORMAL; break;
case NORMAL_PRIORITY_CLASS: ppc.PriorityClass = PROCESS_PRIOCLASS_NORMAL; break;
case ABOVE_NORMAL_PRIORITY_CLASS: ppc.PriorityClass = PROCESS_PRIOCLASS_ABOVE_NORMAL; break;
case HIGH_PRIORITY_CLASS: ppc.PriorityClass = PROCESS_PRIOCLASS_HIGH; break;
case REALTIME_PRIORITY_CLASS: ppc.PriorityClass = PROCESS_PRIOCLASS_REALTIME; break;
default:
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
return set_ntstatus( NtSetInformationProcess( process, ProcessPriorityClass, &ppc, sizeof(ppc) ));
}
/***********************************************************************
* SetProcessAffinityUpdateMode (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH SetProcessAffinityUpdateMode( HANDLE process, DWORD flags )
{
FIXME( "(%p,0x%08x): stub\n", process, flags );
SetLastError( ERROR_CALL_NOT_IMPLEMENTED );
return FALSE;
}
/**********************************************************************
* SetProcessMitigationPolicy (kernelbase.@)
*/
BOOL WINAPI /* DECLSPEC_HOTPATCH */ SetProcessMitigationPolicy( PROCESS_MITIGATION_POLICY policy,
void *buffer, SIZE_T length )
{
FIXME( "(%d, %p, %lu): stub\n", policy, buffer, length );
return TRUE;
}
/***********************************************************************
* SetProcessPriorityBoost (kernelbase.@)
*/
BOOL WINAPI /* DECLSPEC_HOTPATCH */ SetProcessPriorityBoost( HANDLE process, BOOL disable )
{
FIXME( "(%p,%d): stub\n", process, disable );
return TRUE;
}
/***********************************************************************
* SetProcessShutdownParameters (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH SetProcessShutdownParameters( DWORD level, DWORD flags )
{
FIXME( "(%08x, %08x): partial stub.\n", level, flags );
shutdown_flags = flags;
shutdown_priority = level;
return TRUE;
}
/***********************************************************************
* SetProcessWorkingSetSizeEx (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH SetProcessWorkingSetSizeEx( HANDLE process, SIZE_T minset,
SIZE_T maxset, DWORD flags )
{
return TRUE;
}
/******************************************************************************
* TerminateProcess (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH TerminateProcess( HANDLE handle, DWORD exit_code )
{
if (!handle)
{
SetLastError( ERROR_INVALID_HANDLE );
return FALSE;
}
return set_ntstatus( NtTerminateProcess( handle, exit_code ));
}
/***********************************************************************
* Process startup information
***********************************************************************/
static STARTUPINFOW startup_infoW;
static char *command_lineA;
static WCHAR *command_lineW;
/******************************************************************
* init_startup_info
*/
void init_startup_info( RTL_USER_PROCESS_PARAMETERS *params )
{
ANSI_STRING ansi;
startup_infoW.cb = sizeof(startup_infoW);
startup_infoW.lpReserved = NULL;
startup_infoW.lpDesktop = params->Desktop.Buffer;
startup_infoW.lpTitle = params->WindowTitle.Buffer;
startup_infoW.dwX = params->dwX;
startup_infoW.dwY = params->dwY;
startup_infoW.dwXSize = params->dwXSize;
startup_infoW.dwYSize = params->dwYSize;
startup_infoW.dwXCountChars = params->dwXCountChars;
startup_infoW.dwYCountChars = params->dwYCountChars;
startup_infoW.dwFillAttribute = params->dwFillAttribute;
startup_infoW.dwFlags = params->dwFlags;
startup_infoW.wShowWindow = params->wShowWindow;
startup_infoW.cbReserved2 = params->RuntimeInfo.MaximumLength;
startup_infoW.lpReserved2 = params->RuntimeInfo.MaximumLength ? (void *)params->RuntimeInfo.Buffer : NULL;
startup_infoW.hStdInput = params->hStdInput ? params->hStdInput : INVALID_HANDLE_VALUE;
startup_infoW.hStdOutput = params->hStdOutput ? params->hStdOutput : INVALID_HANDLE_VALUE;
startup_infoW.hStdError = params->hStdError ? params->hStdError : INVALID_HANDLE_VALUE;
command_lineW = params->CommandLine.Buffer;
if (!RtlUnicodeStringToAnsiString( &ansi, &params->CommandLine, TRUE )) command_lineA = ansi.Buffer;
}
/***********************************************************************
* GetCommandLineA (kernelbase.@)
*/
LPSTR WINAPI DECLSPEC_HOTPATCH GetCommandLineA(void)
{
return command_lineA;
}
/***********************************************************************
* GetCommandLineW (kernelbase.@)
*/
LPWSTR WINAPI DECLSPEC_HOTPATCH GetCommandLineW(void)
{
return NtCurrentTeb()->Peb->ProcessParameters->CommandLine.Buffer;
}
/***********************************************************************
* GetStartupInfoW (kernelbase.@)
*/
void WINAPI DECLSPEC_HOTPATCH GetStartupInfoW( STARTUPINFOW *info )
{
*info = startup_infoW;
}
/***********************************************************************
* GetStdHandle (kernelbase.@)
*/
HANDLE WINAPI DECLSPEC_HOTPATCH GetStdHandle( DWORD std_handle )
{
switch (std_handle)
{
case STD_INPUT_HANDLE: return NtCurrentTeb()->Peb->ProcessParameters->hStdInput;
case STD_OUTPUT_HANDLE: return NtCurrentTeb()->Peb->ProcessParameters->hStdOutput;
case STD_ERROR_HANDLE: return NtCurrentTeb()->Peb->ProcessParameters->hStdError;
}
SetLastError( ERROR_INVALID_HANDLE );
return INVALID_HANDLE_VALUE;
}
/***********************************************************************
* SetStdHandle (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH SetStdHandle( DWORD std_handle, HANDLE handle )
{
switch (std_handle)
{
case STD_INPUT_HANDLE: NtCurrentTeb()->Peb->ProcessParameters->hStdInput = handle; return TRUE;
case STD_OUTPUT_HANDLE: NtCurrentTeb()->Peb->ProcessParameters->hStdOutput = handle; return TRUE;
case STD_ERROR_HANDLE: NtCurrentTeb()->Peb->ProcessParameters->hStdError = handle; return TRUE;
}
SetLastError( ERROR_INVALID_HANDLE );
return FALSE;
}
/***********************************************************************
* SetStdHandleEx (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH SetStdHandleEx( DWORD std_handle, HANDLE handle, HANDLE *prev )
{
HANDLE *ptr;
switch (std_handle)
{
case STD_INPUT_HANDLE: ptr = &NtCurrentTeb()->Peb->ProcessParameters->hStdInput; break;
case STD_OUTPUT_HANDLE: ptr = &NtCurrentTeb()->Peb->ProcessParameters->hStdOutput; break;
case STD_ERROR_HANDLE: ptr = &NtCurrentTeb()->Peb->ProcessParameters->hStdError; break;
default:
SetLastError( ERROR_INVALID_HANDLE );
return FALSE;
}
if (prev) *prev = *ptr;
*ptr = handle;
return TRUE;
}
/***********************************************************************
* Process environment
***********************************************************************/
static inline SIZE_T get_env_length( const WCHAR *env )
{
const WCHAR *end = env;
while (*end) end += lstrlenW(end) + 1;
return end + 1 - env;
}
/***********************************************************************
* ExpandEnvironmentStringsA (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH ExpandEnvironmentStringsA( LPCSTR src, LPSTR dst, DWORD count )
{
UNICODE_STRING us_src;
PWSTR dstW = NULL;
DWORD ret;
RtlCreateUnicodeStringFromAsciiz( &us_src, src );
if (count)
{
if (!(dstW = HeapAlloc(GetProcessHeap(), 0, count * sizeof(WCHAR)))) return 0;
ret = ExpandEnvironmentStringsW( us_src.Buffer, dstW, count);
if (ret) WideCharToMultiByte( CP_ACP, 0, dstW, ret, dst, count, NULL, NULL );
}
else ret = ExpandEnvironmentStringsW( us_src.Buffer, NULL, 0 );
RtlFreeUnicodeString( &us_src );
HeapFree( GetProcessHeap(), 0, dstW );
return ret;
}
/***********************************************************************
* ExpandEnvironmentStringsW (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH ExpandEnvironmentStringsW( LPCWSTR src, LPWSTR dst, DWORD len )
{
UNICODE_STRING us_src, us_dst;
NTSTATUS status;
DWORD res;
TRACE( "(%s %p %u)\n", debugstr_w(src), dst, len );
RtlInitUnicodeString( &us_src, src );
/* make sure we don't overflow the maximum UNICODE_STRING size */
len = min( len, UNICODE_STRING_MAX_CHARS );
us_dst.Length = 0;
us_dst.MaximumLength = len * sizeof(WCHAR);
us_dst.Buffer = dst;
res = 0;
status = RtlExpandEnvironmentStrings_U( NULL, &us_src, &us_dst, &res );
res /= sizeof(WCHAR);
if (!set_ntstatus( status ))
{
if (status != STATUS_BUFFER_TOO_SMALL) return 0;
if (len && dst) dst[len - 1] = 0;
}
return res;
}
/***********************************************************************
* GetEnvironmentStrings (kernelbase.@)
* GetEnvironmentStringsA (kernelbase.@)
*/
LPSTR WINAPI DECLSPEC_HOTPATCH GetEnvironmentStringsA(void)
{
LPWSTR env;
LPSTR ret;
SIZE_T lenA, lenW;
RtlAcquirePebLock();
env = NtCurrentTeb()->Peb->ProcessParameters->Environment;
lenW = get_env_length( env );
lenA = WideCharToMultiByte( CP_ACP, 0, env, lenW, NULL, 0, NULL, NULL );
if ((ret = HeapAlloc( GetProcessHeap(), 0, lenA )))
WideCharToMultiByte( CP_ACP, 0, env, lenW, ret, lenA, NULL, NULL );
RtlReleasePebLock();
return ret;
}
/***********************************************************************
* GetEnvironmentStringsW (kernelbase.@)
*/
LPWSTR WINAPI DECLSPEC_HOTPATCH GetEnvironmentStringsW(void)
{
LPWSTR ret;
SIZE_T len;
RtlAcquirePebLock();
len = get_env_length( NtCurrentTeb()->Peb->ProcessParameters->Environment ) * sizeof(WCHAR);
if ((ret = HeapAlloc( GetProcessHeap(), 0, len )))
memcpy( ret, NtCurrentTeb()->Peb->ProcessParameters->Environment, len );
RtlReleasePebLock();
return ret;
}
/***********************************************************************
* GetEnvironmentVariableA (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH GetEnvironmentVariableA( LPCSTR name, LPSTR value, DWORD size )
{
UNICODE_STRING us_name;
PWSTR valueW;
DWORD ret;
/* limit the size to sane values */
size = min( size, 32767 );
if (!(valueW = HeapAlloc( GetProcessHeap(), 0, size * sizeof(WCHAR) ))) return 0;
RtlCreateUnicodeStringFromAsciiz( &us_name, name );
SetLastError( 0 );
ret = GetEnvironmentVariableW( us_name.Buffer, valueW, size);
if (ret && ret < size) WideCharToMultiByte( CP_ACP, 0, valueW, ret + 1, value, size, NULL, NULL );
/* this is needed to tell, with 0 as a return value, the difference between:
* - an error (GetLastError() != 0)
* - returning an empty string (in this case, we need to update the buffer)
*/
if (ret == 0 && size && GetLastError() == 0) value[0] = 0;
RtlFreeUnicodeString( &us_name );
HeapFree( GetProcessHeap(), 0, valueW );
return ret;
}
/***********************************************************************
* GetEnvironmentVariableW (kernelbase.@)
*/
DWORD WINAPI DECLSPEC_HOTPATCH GetEnvironmentVariableW( LPCWSTR name, LPWSTR val, DWORD size )
{
UNICODE_STRING us_name, us_value;
NTSTATUS status;
DWORD len;
TRACE( "(%s %p %u)\n", debugstr_w(name), val, size );
RtlInitUnicodeString( &us_name, name );
us_value.Length = 0;
us_value.MaximumLength = (size ? size - 1 : 0) * sizeof(WCHAR);
us_value.Buffer = val;
status = RtlQueryEnvironmentVariable_U( NULL, &us_name, &us_value );
len = us_value.Length / sizeof(WCHAR);
if (!set_ntstatus( status )) return (status == STATUS_BUFFER_TOO_SMALL) ? len + 1 : 0;
if (size) val[len] = 0;
return len;
}
/***********************************************************************
* FreeEnvironmentStringsA (kernelbase.@)
* FreeEnvironmentStringsW (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH FreeEnvironmentStringsW( LPWSTR ptr )
{
return HeapFree( GetProcessHeap(), 0, ptr );
}
/***********************************************************************
* SetEnvironmentVariableA (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH SetEnvironmentVariableA( LPCSTR name, LPCSTR value )
{
UNICODE_STRING us_name, us_value;
BOOL ret;
if (!name)
{
SetLastError( ERROR_ENVVAR_NOT_FOUND );
return FALSE;
}
RtlCreateUnicodeStringFromAsciiz( &us_name, name );
if (value)
{
RtlCreateUnicodeStringFromAsciiz( &us_value, value );
ret = SetEnvironmentVariableW( us_name.Buffer, us_value.Buffer );
RtlFreeUnicodeString( &us_value );
}
else ret = SetEnvironmentVariableW( us_name.Buffer, NULL );
RtlFreeUnicodeString( &us_name );
return ret;
}
/***********************************************************************
* SetEnvironmentVariableW (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH SetEnvironmentVariableW( LPCWSTR name, LPCWSTR value )
{
UNICODE_STRING us_name, us_value;
NTSTATUS status;
TRACE( "(%s %s)\n", debugstr_w(name), debugstr_w(value) );
if (!name)
{
SetLastError( ERROR_ENVVAR_NOT_FOUND );
return FALSE;
}
RtlInitUnicodeString( &us_name, name );
if (value)
{
RtlInitUnicodeString( &us_value, value );
status = RtlSetEnvironmentVariable( NULL, &us_name, &us_value );
}
else status = RtlSetEnvironmentVariable( NULL, &us_name, NULL );
return set_ntstatus( status );
}
/***********************************************************************
* Process/thread attribute lists
***********************************************************************/
struct proc_thread_attr
{
DWORD_PTR attr;
SIZE_T size;
void *value;
};
struct _PROC_THREAD_ATTRIBUTE_LIST
{
DWORD mask; /* bitmask of items in list */
DWORD size; /* max number of items in list */
DWORD count; /* number of items in list */
DWORD pad;
DWORD_PTR unk;
struct proc_thread_attr attrs[1];
};
/***********************************************************************
* InitializeProcThreadAttributeList (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH InitializeProcThreadAttributeList( struct _PROC_THREAD_ATTRIBUTE_LIST *list,
DWORD count, DWORD flags, SIZE_T *size )
{
SIZE_T needed;
BOOL ret = FALSE;
TRACE( "(%p %d %x %p)\n", list, count, flags, size );
needed = FIELD_OFFSET( struct _PROC_THREAD_ATTRIBUTE_LIST, attrs[count] );
if (list && *size >= needed)
{
list->mask = 0;
list->size = count;
list->count = 0;
list->unk = 0;
ret = TRUE;
}
else SetLastError( ERROR_INSUFFICIENT_BUFFER );
*size = needed;
return ret;
}
/***********************************************************************
* UpdateProcThreadAttribute (kernelbase.@)
*/
BOOL WINAPI DECLSPEC_HOTPATCH UpdateProcThreadAttribute( struct _PROC_THREAD_ATTRIBUTE_LIST *list,
DWORD flags, DWORD_PTR attr, void *value,
SIZE_T size, void *prev_ret, SIZE_T *size_ret )
{
DWORD mask;
struct proc_thread_attr *entry;
TRACE( "(%p %x %08lx %p %ld %p %p)\n", list, flags, attr, value, size, prev_ret, size_ret );
if (list->count >= list->size)
{
SetLastError( ERROR_GEN_FAILURE );
return FALSE;
}
switch (attr)
{
case PROC_THREAD_ATTRIBUTE_PARENT_PROCESS:
if (size != sizeof(HANDLE))
{
SetLastError( ERROR_BAD_LENGTH );
return FALSE;
}
break;
case PROC_THREAD_ATTRIBUTE_HANDLE_LIST:
if ((size / sizeof(HANDLE)) * sizeof(HANDLE) != size)
{
SetLastError( ERROR_BAD_LENGTH );
return FALSE;
}
break;
case PROC_THREAD_ATTRIBUTE_IDEAL_PROCESSOR:
if (size != sizeof(PROCESSOR_NUMBER))
{
SetLastError( ERROR_BAD_LENGTH );
return FALSE;
}
break;
case PROC_THREAD_ATTRIBUTE_CHILD_PROCESS_POLICY:
if (size != sizeof(DWORD) && size != sizeof(DWORD64))
{
SetLastError( ERROR_BAD_LENGTH );
return FALSE;
}
break;
case PROC_THREAD_ATTRIBUTE_MITIGATION_POLICY:
if (size != sizeof(DWORD) && size != sizeof(DWORD64) && size != sizeof(DWORD64) * 2)
{
SetLastError( ERROR_BAD_LENGTH );
return FALSE;
}
break;
default:
SetLastError( ERROR_NOT_SUPPORTED );
FIXME( "Unhandled attribute %lu\n", attr & PROC_THREAD_ATTRIBUTE_NUMBER );
return FALSE;
}
mask = 1 << (attr & PROC_THREAD_ATTRIBUTE_NUMBER);
if (list->mask & mask)
{
SetLastError( ERROR_OBJECT_NAME_EXISTS );
return FALSE;
}
list->mask |= mask;
entry = list->attrs + list->count;
entry->attr = attr;
entry->size = size;
entry->value = value;
list->count++;
return TRUE;
}
/***********************************************************************
* DeleteProcThreadAttributeList (kernelbase.@)
*/
void WINAPI DECLSPEC_HOTPATCH DeleteProcThreadAttributeList( struct _PROC_THREAD_ATTRIBUTE_LIST *list )
{
return;
}
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