466 lines
15 KiB
C
466 lines
15 KiB
C
/*
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* NT threads support
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*
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* Copyright 1996, 2003 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <assert.h>
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#include <stdarg.h>
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#include <limits.h>
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#include <sys/types.h>
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#define NONAMELESSUNION
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "winternl.h"
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#include "wine/server.h"
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#include "wine/debug.h"
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#include "ntdll_misc.h"
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#include "ddk/wdm.h"
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#include "wine/exception.h"
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WINE_DECLARE_DEBUG_CHANNEL(relay);
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struct _KUSER_SHARED_DATA *user_shared_data = (void *)0x7ffe0000;
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static PEB *peb;
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static PEB_LDR_DATA ldr;
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static RTL_BITMAP tls_bitmap;
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static RTL_BITMAP tls_expansion_bitmap;
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static RTL_BITMAP fls_bitmap;
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static int nb_threads = 1;
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struct ldt_copy *__wine_ldt_copy = NULL;
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static RTL_CRITICAL_SECTION peb_lock;
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static RTL_CRITICAL_SECTION_DEBUG critsect_debug =
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{
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0, 0, &peb_lock,
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{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
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0, 0, { (DWORD_PTR)(__FILE__ ": peb_lock") }
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};
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static RTL_CRITICAL_SECTION peb_lock = { &critsect_debug, -1, 0, 0, 0, 0 };
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/***********************************************************************
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* __wine_dbg_get_channel_flags (NTDLL.@)
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*
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* Get the flags to use for a given channel, possibly setting them too in case of lazy init
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*/
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unsigned char __cdecl __wine_dbg_get_channel_flags( struct __wine_debug_channel *channel )
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{
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return unix_funcs->dbg_get_channel_flags( channel );
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}
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/***********************************************************************
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* __wine_dbg_strdup (NTDLL.@)
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*/
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const char * __cdecl __wine_dbg_strdup( const char *str )
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{
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return unix_funcs->dbg_strdup( str );
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}
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/***********************************************************************
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* __wine_dbg_header (NTDLL.@)
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*/
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int __cdecl __wine_dbg_header( enum __wine_debug_class cls, struct __wine_debug_channel *channel,
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const char *function )
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{
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return unix_funcs->dbg_header( cls, channel, function );
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}
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/***********************************************************************
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* __wine_dbg_output (NTDLL.@)
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*/
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int __cdecl __wine_dbg_output( const char *str )
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{
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return unix_funcs->dbg_output( str );
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}
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/***********************************************************************
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* thread_init
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*
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* Setup the initial thread.
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*
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* NOTES: The first allocated TEB on NT is at 0x7ffde000.
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*/
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TEB *thread_init( SIZE_T *info_size, BOOL *suspend )
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{
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TEB *teb = unix_funcs->init_threading( &nb_threads, &__wine_ldt_copy, info_size, suspend, &server_cpus,
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&is_wow64, &server_start_time );
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peb = teb->Peb;
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peb->FastPebLock = &peb_lock;
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peb->TlsBitmap = &tls_bitmap;
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peb->TlsExpansionBitmap = &tls_expansion_bitmap;
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peb->FlsBitmap = &fls_bitmap;
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peb->LdrData = &ldr;
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peb->OSMajorVersion = 5;
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peb->OSMinorVersion = 1;
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peb->OSBuildNumber = 0xA28;
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peb->OSPlatformId = VER_PLATFORM_WIN32_NT;
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ldr.Length = sizeof(ldr);
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ldr.Initialized = TRUE;
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RtlInitializeBitMap( &tls_bitmap, peb->TlsBitmapBits, sizeof(peb->TlsBitmapBits) * 8 );
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RtlInitializeBitMap( &tls_expansion_bitmap, peb->TlsExpansionBitmapBits,
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sizeof(peb->TlsExpansionBitmapBits) * 8 );
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RtlInitializeBitMap( &fls_bitmap, peb->FlsBitmapBits, sizeof(peb->FlsBitmapBits) * 8 );
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RtlSetBits( peb->TlsBitmap, 0, 1 ); /* TLS index 0 is reserved and should be initialized to NULL. */
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RtlSetBits( peb->FlsBitmap, 0, 1 );
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InitializeListHead( &peb->FlsListHead );
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InitializeListHead( &ldr.InLoadOrderModuleList );
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InitializeListHead( &ldr.InMemoryOrderModuleList );
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InitializeListHead( &ldr.InInitializationOrderModuleList );
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/*
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* Starting with Vista, the first user to log on has session id 1.
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* Session id 0 is for processes that don't interact with the user (like services).
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*/
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peb->SessionId = 1;
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unix_funcs->get_paths( &build_dir, &data_dir, &config_dir );
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fill_cpu_info();
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return teb;
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}
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/***********************************************************************
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* RtlExitUserThread (NTDLL.@)
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*/
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void WINAPI RtlExitUserThread( ULONG status )
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{
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if (status) /* send the exit code to the server (0 is already the default) */
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{
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SERVER_START_REQ( terminate_thread )
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{
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req->handle = wine_server_obj_handle( GetCurrentThread() );
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req->exit_code = status;
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wine_server_call( req );
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}
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SERVER_END_REQ;
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}
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if (InterlockedDecrement( &nb_threads ) <= 0)
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{
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LdrShutdownProcess();
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unix_funcs->exit_process( status );
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}
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LdrShutdownThread();
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RtlFreeThreadActivationContextStack();
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for (;;) unix_funcs->exit_thread( status );
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}
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/***********************************************************************
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* RtlUserThreadStart (NTDLL.@)
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*/
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#ifdef __i386__
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__ASM_STDCALL_FUNC( RtlUserThreadStart, 8,
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"pushl %ebp\n\t"
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__ASM_CFI(".cfi_adjust_cfa_offset 4\n\t")
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__ASM_CFI(".cfi_rel_offset %ebp,0\n\t")
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"movl %esp,%ebp\n\t"
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__ASM_CFI(".cfi_def_cfa_register %ebp\n\t")
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"pushl %ebx\n\t" /* arg */
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"pushl %eax\n\t" /* entry */
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"call " __ASM_NAME("call_thread_func") )
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/* wrapper for apps that don't declare the thread function correctly */
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extern DWORD call_thread_func_wrapper( PRTL_THREAD_START_ROUTINE entry, void *arg );
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__ASM_GLOBAL_FUNC(call_thread_func_wrapper,
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"pushl %ebp\n\t"
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__ASM_CFI(".cfi_adjust_cfa_offset 4\n\t")
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__ASM_CFI(".cfi_rel_offset %ebp,0\n\t")
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"movl %esp,%ebp\n\t"
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__ASM_CFI(".cfi_def_cfa_register %ebp\n\t")
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"subl $4,%esp\n\t"
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"pushl 12(%ebp)\n\t"
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"call *8(%ebp)\n\t"
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"leave\n\t"
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__ASM_CFI(".cfi_def_cfa %esp,4\n\t")
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__ASM_CFI(".cfi_same_value %ebp\n\t")
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"ret" )
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void DECLSPEC_HIDDEN call_thread_func( PRTL_THREAD_START_ROUTINE entry, void *arg )
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{
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__TRY
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{
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TRACE_(relay)( "\1Starting thread proc %p (arg=%p)\n", entry, arg );
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RtlExitUserThread( call_thread_func_wrapper( entry, arg ));
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}
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__EXCEPT(call_unhandled_exception_filter)
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{
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NtTerminateThread( GetCurrentThread(), GetExceptionCode() );
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}
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__ENDTRY
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abort(); /* should not be reached */
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}
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#else /* __i386__ */
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void WINAPI RtlUserThreadStart( PRTL_THREAD_START_ROUTINE entry, void *arg )
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{
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__TRY
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{
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TRACE_(relay)( "\1Starting thread proc %p (arg=%p)\n", entry, arg );
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RtlExitUserThread( ((LPTHREAD_START_ROUTINE)entry)( arg ));
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}
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__EXCEPT(call_unhandled_exception_filter)
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{
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NtTerminateThread( GetCurrentThread(), GetExceptionCode() );
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}
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__ENDTRY
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abort(); /* should not be reached */
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}
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#endif /* __i386__ */
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/***********************************************************************
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* NtCreateThreadEx (NTDLL.@)
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*/
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NTSTATUS WINAPI NtCreateThreadEx( HANDLE *handle_ptr, ACCESS_MASK access, OBJECT_ATTRIBUTES *attr,
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HANDLE process, PRTL_THREAD_START_ROUTINE start, void *param,
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ULONG flags, SIZE_T zero_bits, SIZE_T stack_commit,
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SIZE_T stack_reserve, PS_ATTRIBUTE_LIST *attr_list )
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{
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return unix_funcs->NtCreateThreadEx( handle_ptr, access, attr, process, start, param,
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flags, zero_bits, stack_commit, stack_reserve, attr_list );
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}
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/***********************************************************************
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* RtlCreateUserThread (NTDLL.@)
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*/
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NTSTATUS WINAPI RtlCreateUserThread( HANDLE process, SECURITY_DESCRIPTOR *descr,
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BOOLEAN suspended, PVOID stack_addr,
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SIZE_T stack_reserve, SIZE_T stack_commit,
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PRTL_THREAD_START_ROUTINE start, void *param,
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HANDLE *handle_ptr, CLIENT_ID *id )
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{
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ULONG flags = suspended ? THREAD_CREATE_FLAGS_CREATE_SUSPENDED : 0;
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HANDLE handle;
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NTSTATUS status;
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CLIENT_ID client_id;
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OBJECT_ATTRIBUTES attr;
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PS_ATTRIBUTE_LIST attr_list = { sizeof(attr_list) };
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attr_list.Attributes[0].Attribute = PS_ATTRIBUTE_CLIENT_ID;
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attr_list.Attributes[0].Size = sizeof(client_id);
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attr_list.Attributes[0].ValuePtr = &client_id;
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InitializeObjectAttributes( &attr, NULL, 0, NULL, descr );
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status = NtCreateThreadEx( &handle, THREAD_ALL_ACCESS, &attr, process, start, param,
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flags, 0, stack_commit, stack_reserve, &attr_list );
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if (!status)
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{
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if (id) *id = client_id;
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if (handle_ptr) *handle_ptr = handle;
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else NtClose( handle );
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}
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return status;
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}
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/******************************************************************************
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* RtlGetNtGlobalFlags (NTDLL.@)
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*/
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ULONG WINAPI RtlGetNtGlobalFlags(void)
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{
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if (!peb) return 0; /* init not done yet */
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return peb->NtGlobalFlag;
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}
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/***********************************************************************
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* NtOpenThread (NTDLL.@)
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* ZwOpenThread (NTDLL.@)
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*/
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NTSTATUS WINAPI NtOpenThread( HANDLE *handle, ACCESS_MASK access,
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const OBJECT_ATTRIBUTES *attr, const CLIENT_ID *id )
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{
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return unix_funcs->NtOpenThread( handle, access, attr, id );
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}
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/******************************************************************************
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* NtSuspendThread (NTDLL.@)
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* ZwSuspendThread (NTDLL.@)
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*/
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NTSTATUS WINAPI NtSuspendThread( HANDLE handle, PULONG count )
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{
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return unix_funcs->NtSuspendThread( handle, count );
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}
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/******************************************************************************
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* NtResumeThread (NTDLL.@)
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* ZwResumeThread (NTDLL.@)
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*/
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NTSTATUS WINAPI NtResumeThread( HANDLE handle, PULONG count )
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{
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return unix_funcs->NtResumeThread( handle, count );
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}
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/******************************************************************************
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* NtAlertResumeThread (NTDLL.@)
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* ZwAlertResumeThread (NTDLL.@)
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*/
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NTSTATUS WINAPI NtAlertResumeThread( HANDLE handle, PULONG count )
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{
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return unix_funcs->NtAlertResumeThread( handle, count );
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}
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/******************************************************************************
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* NtAlertThread (NTDLL.@)
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* ZwAlertThread (NTDLL.@)
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*/
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NTSTATUS WINAPI NtAlertThread( HANDLE handle )
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{
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return unix_funcs->NtAlertThread( handle );
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}
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/******************************************************************************
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* NtTerminateThread (NTDLL.@)
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* ZwTerminateThread (NTDLL.@)
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*/
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NTSTATUS WINAPI NtTerminateThread( HANDLE handle, LONG exit_code )
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{
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return unix_funcs->NtTerminateThread( handle, exit_code );
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}
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/******************************************************************************
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* NtQueueApcThread (NTDLL.@)
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*/
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NTSTATUS WINAPI NtQueueApcThread( HANDLE handle, PNTAPCFUNC func, ULONG_PTR arg1,
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ULONG_PTR arg2, ULONG_PTR arg3 )
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{
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return unix_funcs->NtQueueApcThread( handle, func, arg1, arg2, arg3 );
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}
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/******************************************************************************
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* RtlPushFrame (NTDLL.@)
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*/
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void WINAPI RtlPushFrame( TEB_ACTIVE_FRAME *frame )
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{
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frame->Previous = NtCurrentTeb()->ActiveFrame;
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NtCurrentTeb()->ActiveFrame = frame;
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}
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/******************************************************************************
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* RtlPopFrame (NTDLL.@)
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*/
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void WINAPI RtlPopFrame( TEB_ACTIVE_FRAME *frame )
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{
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NtCurrentTeb()->ActiveFrame = frame->Previous;
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}
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/******************************************************************************
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* RtlGetFrame (NTDLL.@)
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*/
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TEB_ACTIVE_FRAME * WINAPI RtlGetFrame(void)
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{
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return NtCurrentTeb()->ActiveFrame;
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}
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/***********************************************************************
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* NtContinue (NTDLL.@)
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*/
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NTSTATUS WINAPI NtContinue( CONTEXT *context, BOOLEAN alertable )
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{
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return unix_funcs->NtContinue( context, alertable );
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}
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/***********************************************************************
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* NtSetContextThread (NTDLL.@)
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* ZwSetContextThread (NTDLL.@)
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*/
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NTSTATUS WINAPI NtSetContextThread( HANDLE handle, const CONTEXT *context )
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{
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return unix_funcs->NtSetContextThread( handle, context );
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}
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/***********************************************************************
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* NtGetContextThread (NTDLL.@)
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* ZwGetContextThread (NTDLL.@)
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*/
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#ifndef __i386__
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NTSTATUS WINAPI NtGetContextThread( HANDLE handle, CONTEXT *context )
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{
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return unix_funcs->NtGetContextThread( handle, context );
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}
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#endif
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/******************************************************************************
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* NtSetLdtEntries (NTDLL.@)
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* ZwSetLdtEntries (NTDLL.@)
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*/
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NTSTATUS WINAPI NtSetLdtEntries( ULONG sel1, LDT_ENTRY entry1, ULONG sel2, LDT_ENTRY entry2 )
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{
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return unix_funcs->NtSetLdtEntries( sel1, entry1, sel2, entry2 );
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}
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/******************************************************************************
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* NtQueryInformationThread (NTDLL.@)
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* ZwQueryInformationThread (NTDLL.@)
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*/
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NTSTATUS WINAPI NtQueryInformationThread( HANDLE handle, THREADINFOCLASS class,
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void *data, ULONG length, ULONG *ret_len )
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{
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return unix_funcs->NtQueryInformationThread( handle, class, data, length, ret_len );
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}
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/******************************************************************************
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* NtSetInformationThread (NTDLL.@)
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* ZwSetInformationThread (NTDLL.@)
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*/
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NTSTATUS WINAPI NtSetInformationThread( HANDLE handle, THREADINFOCLASS class,
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LPCVOID data, ULONG length )
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{
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return unix_funcs->NtSetInformationThread( handle, class, data, length );
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}
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/******************************************************************************
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* NtGetCurrentProcessorNumber (NTDLL.@)
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*
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* Return the processor, on which the thread is running
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*
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*/
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ULONG WINAPI NtGetCurrentProcessorNumber(void)
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{
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return unix_funcs->NtGetCurrentProcessorNumber();
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}
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