Sweden-Number/dlls/kernel32/thread.c

169 lines
5.2 KiB
C

/*
* Win32 threads
*
* Copyright 1996 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 <assert.h>
#include <stdarg.h>
#include <sys/types.h>
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "winternl.h"
#include "wine/asm.h"
#include "kernel_private.h"
/***********************************************************************
* BaseThreadInitThunk (KERNEL32.@)
*/
#ifdef __i386__
__ASM_FASTCALL_FUNC( BaseThreadInitThunk, 12,
"pushl %ebp\n\t"
__ASM_CFI(".cfi_adjust_cfa_offset 4\n\t")
__ASM_CFI(".cfi_rel_offset %ebp,0\n\t")
"movl %esp,%ebp\n\t"
__ASM_CFI(".cfi_def_cfa_register %ebp\n\t")
"pushl %ebx\n\t"
__ASM_CFI(".cfi_rel_offset %ebx,-4\n\t")
"movl 8(%ebp),%ebx\n\t"
/* deliberately mis-align the stack by 8, Doom 3 needs this */
"pushl 4(%ebp)\n\t" /* Driller expects readable address at this offset */
"pushl 4(%ebp)\n\t"
"pushl %ebx\n\t"
"call *%edx\n\t"
"movl %eax,(%esp)\n\t"
"call " __ASM_STDCALL( "RtlExitUserThread", 4 ))
#else
void __fastcall BaseThreadInitThunk( DWORD unknown, LPTHREAD_START_ROUTINE entry, void *arg )
{
RtlExitUserThread( entry( arg ) );
}
#endif
/***********************************************************************
* FreeLibraryAndExitThread (KERNEL32.@)
*/
void WINAPI FreeLibraryAndExitThread(HINSTANCE hLibModule, DWORD dwExitCode)
{
FreeLibrary(hLibModule);
ExitThread(dwExitCode);
}
/***********************************************************************
* Wow64SetThreadContext [KERNEL32.@]
*/
BOOL WINAPI Wow64SetThreadContext( HANDLE handle, const WOW64_CONTEXT *context)
{
#ifdef __i386__
return set_ntstatus( NtSetContextThread( handle, (const CONTEXT *)context ));
#elif defined(__x86_64__)
return set_ntstatus( RtlWow64SetThreadContext( handle, context ));
#else
return set_ntstatus( STATUS_NOT_IMPLEMENTED );
#endif
}
/***********************************************************************
* Wow64GetThreadContext [KERNEL32.@]
*/
BOOL WINAPI Wow64GetThreadContext( HANDLE handle, WOW64_CONTEXT *context)
{
#ifdef __i386__
return set_ntstatus( NtGetContextThread( handle, (CONTEXT *)context ));
#elif defined(__x86_64__)
return set_ntstatus( RtlWow64GetThreadContext( handle, context ));
#else
return set_ntstatus( STATUS_NOT_IMPLEMENTED );
#endif
}
/**********************************************************************
* SetThreadAffinityMask (KERNEL32.@)
*/
DWORD_PTR WINAPI SetThreadAffinityMask( HANDLE thread, DWORD_PTR mask )
{
THREAD_BASIC_INFORMATION tbi;
if (!set_ntstatus( NtQueryInformationThread( thread, ThreadBasicInformation, &tbi, sizeof(tbi), NULL )))
return 0;
if (!set_ntstatus( NtSetInformationThread( thread, ThreadAffinityMask, &mask, sizeof(mask))))
return 0;
return tbi.AffinityMask;
}
/***********************************************************************
* GetThreadSelectorEntry (KERNEL32.@)
*/
BOOL WINAPI GetThreadSelectorEntry( HANDLE thread, DWORD sel, LDT_ENTRY *ldtent )
{
THREAD_DESCRIPTOR_INFORMATION tdi;
tdi.Selector = sel;
if (!set_ntstatus( NtQueryInformationThread( thread, ThreadDescriptorTableEntry,
&tdi, sizeof(tdi), NULL )))
return FALSE;
*ldtent = tdi.Entry;
return TRUE;
}
/***********************************************************************
* GetCurrentThread [KERNEL32.@] Gets pseudohandle for current thread
*
* RETURNS
* Pseudohandle for the current thread
*/
HANDLE WINAPI KERNEL32_GetCurrentThread(void)
{
return (HANDLE)~(ULONG_PTR)1;
}
/***********************************************************************
* GetCurrentProcessId (KERNEL32.@)
*
* Get the current process identifier.
*
* RETURNS
* current process identifier
*/
DWORD WINAPI KERNEL32_GetCurrentProcessId(void)
{
return HandleToULong(NtCurrentTeb()->ClientId.UniqueProcess);
}
/***********************************************************************
* GetCurrentThreadId (KERNEL32.@)
*
* Get the current thread identifier.
*
* RETURNS
* current thread identifier
*/
DWORD WINAPI KERNEL32_GetCurrentThreadId(void)
{
return HandleToULong(NtCurrentTeb()->ClientId.UniqueThread);
}