Sweden-Number/dlls/ntdll/thread.c

466 lines
15 KiB
C

/*
* NT threads support
*
* Copyright 1996, 2003 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 "config.h"
#include "wine/port.h"
#include <assert.h>
#include <stdarg.h>
#include <limits.h>
#include <sys/types.h>
#define NONAMELESSUNION
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "winternl.h"
#include "wine/server.h"
#include "wine/debug.h"
#include "ntdll_misc.h"
#include "ddk/wdm.h"
#include "wine/exception.h"
WINE_DECLARE_DEBUG_CHANNEL(relay);
struct _KUSER_SHARED_DATA *user_shared_data = (void *)0x7ffe0000;
static PEB *peb;
static PEB_LDR_DATA ldr;
static RTL_BITMAP tls_bitmap;
static RTL_BITMAP tls_expansion_bitmap;
static RTL_BITMAP fls_bitmap;
static int nb_threads = 1;
struct ldt_copy *__wine_ldt_copy = NULL;
static RTL_CRITICAL_SECTION peb_lock;
static RTL_CRITICAL_SECTION_DEBUG critsect_debug =
{
0, 0, &peb_lock,
{ &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
0, 0, { (DWORD_PTR)(__FILE__ ": peb_lock") }
};
static RTL_CRITICAL_SECTION peb_lock = { &critsect_debug, -1, 0, 0, 0, 0 };
/***********************************************************************
* __wine_dbg_get_channel_flags (NTDLL.@)
*
* Get the flags to use for a given channel, possibly setting them too in case of lazy init
*/
unsigned char __cdecl __wine_dbg_get_channel_flags( struct __wine_debug_channel *channel )
{
return unix_funcs->dbg_get_channel_flags( channel );
}
/***********************************************************************
* __wine_dbg_strdup (NTDLL.@)
*/
const char * __cdecl __wine_dbg_strdup( const char *str )
{
return unix_funcs->dbg_strdup( str );
}
/***********************************************************************
* __wine_dbg_header (NTDLL.@)
*/
int __cdecl __wine_dbg_header( enum __wine_debug_class cls, struct __wine_debug_channel *channel,
const char *function )
{
return unix_funcs->dbg_header( cls, channel, function );
}
/***********************************************************************
* __wine_dbg_output (NTDLL.@)
*/
int __cdecl __wine_dbg_output( const char *str )
{
return unix_funcs->dbg_output( str );
}
/***********************************************************************
* thread_init
*
* Setup the initial thread.
*
* NOTES: The first allocated TEB on NT is at 0x7ffde000.
*/
TEB *thread_init( SIZE_T *info_size )
{
ULONG_PTR val;
TEB *teb = unix_funcs->init_threading( &nb_threads, &__wine_ldt_copy, info_size );
peb = teb->Peb;
peb->FastPebLock = &peb_lock;
peb->TlsBitmap = &tls_bitmap;
peb->TlsExpansionBitmap = &tls_expansion_bitmap;
peb->FlsBitmap = &fls_bitmap;
peb->LdrData = &ldr;
peb->OSMajorVersion = 5;
peb->OSMinorVersion = 1;
peb->OSBuildNumber = 0xA28;
peb->OSPlatformId = VER_PLATFORM_WIN32_NT;
ldr.Length = sizeof(ldr);
ldr.Initialized = TRUE;
RtlInitializeBitMap( &tls_bitmap, peb->TlsBitmapBits, sizeof(peb->TlsBitmapBits) * 8 );
RtlInitializeBitMap( &tls_expansion_bitmap, peb->TlsExpansionBitmapBits,
sizeof(peb->TlsExpansionBitmapBits) * 8 );
RtlInitializeBitMap( &fls_bitmap, peb->FlsBitmapBits, sizeof(peb->FlsBitmapBits) * 8 );
RtlSetBits( peb->TlsBitmap, 0, 1 ); /* TLS index 0 is reserved and should be initialized to NULL. */
RtlSetBits( peb->FlsBitmap, 0, 1 );
InitializeListHead( &peb->FlsListHead );
InitializeListHead( &ldr.InLoadOrderModuleList );
InitializeListHead( &ldr.InMemoryOrderModuleList );
InitializeListHead( &ldr.InInitializationOrderModuleList );
/*
* Starting with Vista, the first user to log on has session id 1.
* Session id 0 is for processes that don't interact with the user (like services).
*/
peb->SessionId = 1;
NtQueryInformationProcess( GetCurrentProcess(), ProcessWow64Information, &val, sizeof(val), NULL );
is_wow64 = !!val;
return teb;
}
/***********************************************************************
* RtlExitUserThread (NTDLL.@)
*/
void WINAPI RtlExitUserThread( ULONG status )
{
if (status) /* send the exit code to the server (0 is already the default) */
{
SERVER_START_REQ( terminate_thread )
{
req->handle = wine_server_obj_handle( GetCurrentThread() );
req->exit_code = status;
wine_server_call( req );
}
SERVER_END_REQ;
}
if (InterlockedDecrement( &nb_threads ) <= 0)
{
LdrShutdownProcess();
unix_funcs->exit_process( status );
}
LdrShutdownThread();
RtlFreeThreadActivationContextStack();
for (;;) unix_funcs->exit_thread( status );
}
/***********************************************************************
* RtlUserThreadStart (NTDLL.@)
*/
#ifdef __i386__
__ASM_STDCALL_FUNC( RtlUserThreadStart, 8,
"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" /* arg */
"pushl %eax\n\t" /* entry */
"call " __ASM_NAME("call_thread_func") )
/* wrapper for apps that don't declare the thread function correctly */
extern DWORD call_thread_func_wrapper( PRTL_THREAD_START_ROUTINE entry, void *arg );
__ASM_GLOBAL_FUNC(call_thread_func_wrapper,
"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")
"subl $4,%esp\n\t"
"pushl 12(%ebp)\n\t"
"call *8(%ebp)\n\t"
"leave\n\t"
__ASM_CFI(".cfi_def_cfa %esp,4\n\t")
__ASM_CFI(".cfi_same_value %ebp\n\t")
"ret" )
void DECLSPEC_HIDDEN call_thread_func( PRTL_THREAD_START_ROUTINE entry, void *arg )
{
__TRY
{
TRACE_(relay)( "\1Starting thread proc %p (arg=%p)\n", entry, arg );
RtlExitUserThread( call_thread_func_wrapper( entry, arg ));
}
__EXCEPT(call_unhandled_exception_filter)
{
NtTerminateThread( GetCurrentThread(), GetExceptionCode() );
}
__ENDTRY
abort(); /* should not be reached */
}
#else /* __i386__ */
void WINAPI RtlUserThreadStart( PRTL_THREAD_START_ROUTINE entry, void *arg )
{
__TRY
{
TRACE_(relay)( "\1Starting thread proc %p (arg=%p)\n", entry, arg );
RtlExitUserThread( ((LPTHREAD_START_ROUTINE)entry)( arg ));
}
__EXCEPT(call_unhandled_exception_filter)
{
NtTerminateThread( GetCurrentThread(), GetExceptionCode() );
}
__ENDTRY
abort(); /* should not be reached */
}
#endif /* __i386__ */
/***********************************************************************
* NtCreateThreadEx (NTDLL.@)
*/
NTSTATUS WINAPI NtCreateThreadEx( HANDLE *handle_ptr, ACCESS_MASK access, OBJECT_ATTRIBUTES *attr,
HANDLE process, PRTL_THREAD_START_ROUTINE start, void *param,
ULONG flags, SIZE_T zero_bits, SIZE_T stack_commit,
SIZE_T stack_reserve, PS_ATTRIBUTE_LIST *attr_list )
{
return unix_funcs->NtCreateThreadEx( handle_ptr, access, attr, process, start, param,
flags, zero_bits, stack_commit, stack_reserve, attr_list );
}
/***********************************************************************
* RtlCreateUserThread (NTDLL.@)
*/
NTSTATUS WINAPI RtlCreateUserThread( HANDLE process, SECURITY_DESCRIPTOR *descr,
BOOLEAN suspended, PVOID stack_addr,
SIZE_T stack_reserve, SIZE_T stack_commit,
PRTL_THREAD_START_ROUTINE start, void *param,
HANDLE *handle_ptr, CLIENT_ID *id )
{
ULONG flags = suspended ? THREAD_CREATE_FLAGS_CREATE_SUSPENDED : 0;
HANDLE handle;
NTSTATUS status;
CLIENT_ID client_id;
OBJECT_ATTRIBUTES attr;
PS_ATTRIBUTE_LIST attr_list = { sizeof(attr_list) };
attr_list.Attributes[0].Attribute = PS_ATTRIBUTE_CLIENT_ID;
attr_list.Attributes[0].Size = sizeof(client_id);
attr_list.Attributes[0].ValuePtr = &client_id;
InitializeObjectAttributes( &attr, NULL, 0, NULL, descr );
status = NtCreateThreadEx( &handle, THREAD_ALL_ACCESS, &attr, process, start, param,
flags, 0, stack_commit, stack_reserve, &attr_list );
if (!status)
{
if (id) *id = client_id;
if (handle_ptr) *handle_ptr = handle;
else NtClose( handle );
}
return status;
}
/******************************************************************************
* RtlGetNtGlobalFlags (NTDLL.@)
*/
ULONG WINAPI RtlGetNtGlobalFlags(void)
{
if (!peb) return 0; /* init not done yet */
return peb->NtGlobalFlag;
}
/***********************************************************************
* NtOpenThread (NTDLL.@)
* ZwOpenThread (NTDLL.@)
*/
NTSTATUS WINAPI NtOpenThread( HANDLE *handle, ACCESS_MASK access,
const OBJECT_ATTRIBUTES *attr, const CLIENT_ID *id )
{
return unix_funcs->NtOpenThread( handle, access, attr, id );
}
/******************************************************************************
* NtSuspendThread (NTDLL.@)
* ZwSuspendThread (NTDLL.@)
*/
NTSTATUS WINAPI NtSuspendThread( HANDLE handle, PULONG count )
{
return unix_funcs->NtSuspendThread( handle, count );
}
/******************************************************************************
* NtResumeThread (NTDLL.@)
* ZwResumeThread (NTDLL.@)
*/
NTSTATUS WINAPI NtResumeThread( HANDLE handle, PULONG count )
{
return unix_funcs->NtResumeThread( handle, count );
}
/******************************************************************************
* NtAlertResumeThread (NTDLL.@)
* ZwAlertResumeThread (NTDLL.@)
*/
NTSTATUS WINAPI NtAlertResumeThread( HANDLE handle, PULONG count )
{
return unix_funcs->NtAlertResumeThread( handle, count );
}
/******************************************************************************
* NtAlertThread (NTDLL.@)
* ZwAlertThread (NTDLL.@)
*/
NTSTATUS WINAPI NtAlertThread( HANDLE handle )
{
return unix_funcs->NtAlertThread( handle );
}
/******************************************************************************
* NtTerminateThread (NTDLL.@)
* ZwTerminateThread (NTDLL.@)
*/
NTSTATUS WINAPI NtTerminateThread( HANDLE handle, LONG exit_code )
{
return unix_funcs->NtTerminateThread( handle, exit_code );
}
/******************************************************************************
* NtQueueApcThread (NTDLL.@)
*/
NTSTATUS WINAPI NtQueueApcThread( HANDLE handle, PNTAPCFUNC func, ULONG_PTR arg1,
ULONG_PTR arg2, ULONG_PTR arg3 )
{
return unix_funcs->NtQueueApcThread( handle, func, arg1, arg2, arg3 );
}
/******************************************************************************
* RtlPushFrame (NTDLL.@)
*/
void WINAPI RtlPushFrame( TEB_ACTIVE_FRAME *frame )
{
frame->Previous = NtCurrentTeb()->ActiveFrame;
NtCurrentTeb()->ActiveFrame = frame;
}
/******************************************************************************
* RtlPopFrame (NTDLL.@)
*/
void WINAPI RtlPopFrame( TEB_ACTIVE_FRAME *frame )
{
NtCurrentTeb()->ActiveFrame = frame->Previous;
}
/******************************************************************************
* RtlGetFrame (NTDLL.@)
*/
TEB_ACTIVE_FRAME * WINAPI RtlGetFrame(void)
{
return NtCurrentTeb()->ActiveFrame;
}
/***********************************************************************
* NtContinue (NTDLL.@)
*/
NTSTATUS WINAPI NtContinue( CONTEXT *context, BOOLEAN alertable )
{
return unix_funcs->NtContinue( context, alertable );
}
/***********************************************************************
* NtSetContextThread (NTDLL.@)
* ZwSetContextThread (NTDLL.@)
*/
NTSTATUS WINAPI NtSetContextThread( HANDLE handle, const CONTEXT *context )
{
return unix_funcs->NtSetContextThread( handle, context );
}
/***********************************************************************
* NtGetContextThread (NTDLL.@)
* ZwGetContextThread (NTDLL.@)
*/
#ifndef __i386__
NTSTATUS WINAPI NtGetContextThread( HANDLE handle, CONTEXT *context )
{
return unix_funcs->NtGetContextThread( handle, context );
}
#endif
/******************************************************************************
* NtSetLdtEntries (NTDLL.@)
* ZwSetLdtEntries (NTDLL.@)
*/
NTSTATUS WINAPI NtSetLdtEntries( ULONG sel1, LDT_ENTRY entry1, ULONG sel2, LDT_ENTRY entry2 )
{
return unix_funcs->NtSetLdtEntries( sel1, entry1, sel2, entry2 );
}
/******************************************************************************
* NtQueryInformationThread (NTDLL.@)
* ZwQueryInformationThread (NTDLL.@)
*/
NTSTATUS WINAPI NtQueryInformationThread( HANDLE handle, THREADINFOCLASS class,
void *data, ULONG length, ULONG *ret_len )
{
return unix_funcs->NtQueryInformationThread( handle, class, data, length, ret_len );
}
/******************************************************************************
* NtSetInformationThread (NTDLL.@)
* ZwSetInformationThread (NTDLL.@)
*/
NTSTATUS WINAPI NtSetInformationThread( HANDLE handle, THREADINFOCLASS class,
LPCVOID data, ULONG length )
{
return unix_funcs->NtSetInformationThread( handle, class, data, length );
}
/******************************************************************************
* NtGetCurrentProcessorNumber (NTDLL.@)
*
* Return the processor, on which the thread is running
*
*/
ULONG WINAPI NtGetCurrentProcessorNumber(void)
{
return unix_funcs->NtGetCurrentProcessorNumber();
}