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Sweden-Number/dlls/ntdll/thread.c

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/*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include "wine/port.h"
#include "ntstatus.h"
#include "thread.h"
#include "winternl.h"
#include "wine/library.h"
#include "wine/server.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(thread);
/***********************************************************************
* thread_init
*
* Setup the initial thread.
*
* NOTES: The first allocated TEB on NT is at 0x7ffde000.
*/
DECL_GLOBAL_CONSTRUCTOR(thread_init)
{
static TEB teb;
static PEB peb;
static PEB_LDR_DATA ldr;
static RTL_USER_PROCESS_PARAMETERS params; /* default parameters if no parent */
static RTL_BITMAP tls_bitmap;
static struct debug_info info; /* debug info for initial thread */
if (teb.Tib.Self) return; /* do it only once */
info.str_pos = info.strings;
info.out_pos = info.output;
teb.Tib.ExceptionList = (void *)~0UL;
teb.Tib.StackBase = (void *)~0UL;
teb.Tib.Self = &teb.Tib;
teb.Peb = &peb;
teb.tibflags = TEBF_WIN32;
teb.request_fd = -1;
teb.reply_fd = -1;
teb.wait_fd[0] = -1;
teb.wait_fd[1] = -1;
teb.teb_sel = wine_ldt_alloc_fs();
teb.debug_info = &info;
teb.StaticUnicodeString.MaximumLength = sizeof(teb.StaticUnicodeBuffer);
teb.StaticUnicodeString.Buffer = teb.StaticUnicodeBuffer;
InitializeListHead( &teb.TlsLinks );
peb.ProcessParameters = &params;
peb.TlsBitmap = &tls_bitmap;
peb.LdrData = &ldr;
RtlInitializeBitMap( &tls_bitmap, (BYTE *)peb.TlsBitmapBits, sizeof(peb.TlsBitmapBits) * 8 );
InitializeListHead( &ldr.InLoadOrderModuleList );
InitializeListHead( &ldr.InMemoryOrderModuleList );
InitializeListHead( &ldr.InInitializationOrderModuleList );
SYSDEPS_SetCurThread( &teb );
}
/***********************************************************************
* NtOpenThread (NTDLL.@)
* ZwOpenThread (NTDLL.@)
*/
NTSTATUS WINAPI NtOpenThread( HANDLE *handle, ACCESS_MASK access,
const OBJECT_ATTRIBUTES *attr, const CLIENT_ID *id )
{
NTSTATUS ret;
SERVER_START_REQ( open_thread )
{
req->tid = (thread_id_t)id->UniqueThread;
req->access = access;
req->inherit = attr && (attr->Attributes & OBJ_INHERIT);
ret = wine_server_call( req );
*handle = reply->handle;
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* NtSuspendThread (NTDLL.@)
* ZwSuspendThread (NTDLL.@)
*/
NTSTATUS WINAPI NtSuspendThread( HANDLE handle, PULONG count )
{
NTSTATUS ret;
SERVER_START_REQ( suspend_thread )
{
req->handle = handle;
if (!(ret = wine_server_call( req ))) *count = reply->count;
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* NtResumeThread (NTDLL.@)
* ZwResumeThread (NTDLL.@)
*/
NTSTATUS WINAPI NtResumeThread( HANDLE handle, PULONG count )
{
NTSTATUS ret;
SERVER_START_REQ( resume_thread )
{
req->handle = handle;
if (!(ret = wine_server_call( req ))) *count = reply->count;
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* NtTerminateThread (NTDLL.@)
* ZwTerminateThread (NTDLL.@)
*/
NTSTATUS WINAPI NtTerminateThread( HANDLE handle, LONG exit_code )
{
NTSTATUS ret;
BOOL self, last;
SERVER_START_REQ( terminate_thread )
{
req->handle = handle;
req->exit_code = exit_code;
ret = wine_server_call( req );
self = !ret && reply->self;
last = reply->last;
}
SERVER_END_REQ;
if (self)
{
if (last) exit( exit_code );
else
{
RtlAcquirePebLock();
RemoveEntryList( &NtCurrentTeb()->TlsLinks );
RtlReleasePebLock();
SYSDEPS_ExitThread( exit_code );
}
}
return ret;
}
/******************************************************************************
* NtQueueApcThread (NTDLL.@)
*/
NTSTATUS WINAPI NtQueueApcThread( HANDLE handle, PNTAPCFUNC func, ULONG_PTR arg1,
ULONG_PTR arg2, ULONG_PTR arg3 )
{
NTSTATUS ret;
SERVER_START_REQ( queue_apc )
{
req->handle = handle;
req->user = 1;
req->func = func;
req->arg1 = (void *)arg1;
req->arg2 = (void *)arg2;
req->arg3 = (void *)arg3;
ret = wine_server_call( req );
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* NtSetContextThread (NTDLL.@)
* ZwSetContextThread (NTDLL.@)
*/
NTSTATUS WINAPI NtSetContextThread( HANDLE handle, const CONTEXT *context )
{
NTSTATUS ret;
SERVER_START_REQ( set_thread_context )
{
req->handle = handle;
req->flags = context->ContextFlags;
wine_server_add_data( req, context, sizeof(*context) );
ret = wine_server_call( req );
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* NtGetContextThread (NTDLL.@)
* ZwGetContextThread (NTDLL.@)
*/
NTSTATUS WINAPI NtGetContextThread( HANDLE handle, CONTEXT *context )
{
NTSTATUS ret;
SERVER_START_REQ( get_thread_context )
{
req->handle = handle;
req->flags = context->ContextFlags;
wine_server_add_data( req, context, sizeof(*context) );
wine_server_set_reply( req, context, sizeof(*context) );
ret = wine_server_call( req );
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* NtQueryInformationThread (NTDLL.@)
* ZwQueryInformationThread (NTDLL.@)
*/
NTSTATUS WINAPI NtQueryInformationThread( HANDLE handle, THREADINFOCLASS class,
void *data, ULONG length, ULONG *ret_len )
{
NTSTATUS status;
switch(class)
{
case ThreadBasicInformation:
{
THREAD_BASIC_INFORMATION info;
SERVER_START_REQ( get_thread_info )
{
req->handle = handle;
req->tid_in = 0;
if (!(status = wine_server_call( req )))
{
info.ExitStatus = reply->exit_code;
info.TebBaseAddress = reply->teb;
info.ClientId.UniqueProcess = (HANDLE)reply->pid;
info.ClientId.UniqueThread = (HANDLE)reply->tid;
info.AffinityMask = reply->affinity;
info.Priority = reply->priority;
info.BasePriority = reply->priority; /* FIXME */
}
}
SERVER_END_REQ;
if (status == STATUS_SUCCESS)
{
if (data) memcpy( data, &info, min( length, sizeof(info) ));
if (ret_len) *ret_len = min( length, sizeof(info) );
}
}
return status;
case ThreadTimes:
case ThreadPriority:
case ThreadBasePriority:
case ThreadAffinityMask:
case ThreadImpersonationToken:
case ThreadDescriptorTableEntry:
case ThreadEnableAlignmentFaultFixup:
case ThreadEventPair_Reusable:
case ThreadQuerySetWin32StartAddress:
case ThreadZeroTlsCell:
case ThreadPerformanceCount:
case ThreadAmILastThread:
case ThreadIdealProcessor:
case ThreadPriorityBoost:
case ThreadSetTlsArrayAddress:
case ThreadIsIoPending:
default:
FIXME( "info class %d not supported yet\n", class );
return STATUS_NOT_IMPLEMENTED;
}
}
/******************************************************************************
* NtSetInformationThread (NTDLL.@)
* ZwSetInformationThread (NTDLL.@)
*/
NTSTATUS WINAPI NtSetInformationThread( HANDLE handle, THREADINFOCLASS class,
LPCVOID data, ULONG length )
{
switch(class)
{
case ThreadZeroTlsCell:
if (handle == GetCurrentThread())
{
LIST_ENTRY *entry = &NtCurrentTeb()->TlsLinks;
DWORD index;
if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
index = *(DWORD *)data;
if (index >= 64) return STATUS_INVALID_PARAMETER;
RtlAcquirePebLock();
do
{
TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
teb->TlsSlots[index] = 0;
entry = entry->Flink;
} while (entry != &NtCurrentTeb()->TlsLinks);
RtlReleasePebLock();
return STATUS_SUCCESS;
}
FIXME( "ZeroTlsCell not supported on other threads\n" );
return STATUS_NOT_IMPLEMENTED;
case ThreadBasicInformation:
case ThreadTimes:
case ThreadPriority:
case ThreadBasePriority:
case ThreadAffinityMask:
case ThreadImpersonationToken:
case ThreadDescriptorTableEntry:
case ThreadEnableAlignmentFaultFixup:
case ThreadEventPair_Reusable:
case ThreadQuerySetWin32StartAddress:
case ThreadPerformanceCount:
case ThreadAmILastThread:
case ThreadIdealProcessor:
case ThreadPriorityBoost:
case ThreadSetTlsArrayAddress:
case ThreadIsIoPending:
default:
FIXME( "info class %d not supported yet\n", class );
return STATUS_NOT_IMPLEMENTED;
}
}
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