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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 <sys/types.h>
#ifdef HAVE_SYS_MMAN_H
#include <sys/mman.h>
#endif
#include "ntstatus.h"
#include "thread.h"
#include "winternl.h"
#include "wine/library.h"
#include "wine/server.h"
#include "wine/pthread.h"
#include "wine/debug.h"
#include "ntdll_misc.h"
WINE_DEFAULT_DEBUG_CHANNEL(thread);
/* info passed to a starting thread */
struct startup_info
{
struct wine_pthread_thread_info pthread_info;
PRTL_THREAD_START_ROUTINE entry_point;
void *entry_arg;
};
static PEB peb;
static PEB_LDR_DATA ldr;
static RTL_USER_PROCESS_PARAMETERS params; /* default parameters if no parent */
static WCHAR current_dir[MAX_NT_PATH_LENGTH];
static RTL_BITMAP tls_bitmap;
static RTL_BITMAP tls_expansion_bitmap;
static LIST_ENTRY tls_links;
/***********************************************************************
* alloc_teb
*/
static TEB *alloc_teb( ULONG *size )
{
TEB *teb;
struct ntdll_thread_data *thread_data;
*size = SIGNAL_STACK_SIZE + sizeof(TEB);
teb = wine_anon_mmap( NULL, *size, PROT_READ | PROT_WRITE, 0 );
if (teb == (TEB *)-1) return NULL;
thread_data = (struct ntdll_thread_data *)teb->SystemReserved2;
if (!(thread_data->teb_sel = wine_ldt_alloc_fs()))
{
munmap( teb, *size );
return NULL;
}
teb->Tib.ExceptionList = (void *)~0UL;
teb->Tib.StackBase = (void *)~0UL;
teb->Tib.Self = &teb->Tib;
teb->Peb = &peb;
teb->StaticUnicodeString.Buffer = teb->StaticUnicodeBuffer;
teb->StaticUnicodeString.MaximumLength = sizeof(teb->StaticUnicodeBuffer);
return teb;
}
/***********************************************************************
* free_teb
*/
static inline void free_teb( TEB *teb )
{
ULONG size = 0;
void *addr = teb;
struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)teb->SystemReserved2;
NtFreeVirtualMemory( NtCurrentProcess(), &addr, &size, MEM_RELEASE );
wine_ldt_free_fs( thread_data->teb_sel );
munmap( teb, SIGNAL_STACK_SIZE + sizeof(TEB) );
}
/***********************************************************************
* thread_init
*
* Setup the initial thread.
*
* NOTES: The first allocated TEB on NT is at 0x7ffde000.
*/
void thread_init(void)
{
TEB *teb;
void *addr;
ULONG size, info_size;
struct ntdll_thread_data *thread_data;
struct wine_pthread_thread_info thread_info;
static struct debug_info debug_info; /* debug info for initial thread */
peb.NumberOfProcessors = 1;
peb.ProcessParameters = &params;
peb.TlsBitmap = &tls_bitmap;
peb.TlsExpansionBitmap = &tls_expansion_bitmap;
peb.LdrData = &ldr;
params.CurrentDirectory.DosPath.Buffer = current_dir;
params.CurrentDirectory.DosPath.MaximumLength = sizeof(current_dir);
RtlInitializeBitMap( &tls_bitmap, peb.TlsBitmapBits, sizeof(peb.TlsBitmapBits) * 8 );
RtlInitializeBitMap( &tls_expansion_bitmap, peb.TlsExpansionBitmapBits,
sizeof(peb.TlsExpansionBitmapBits) * 8 );
InitializeListHead( &ldr.InLoadOrderModuleList );
InitializeListHead( &ldr.InMemoryOrderModuleList );
InitializeListHead( &ldr.InInitializationOrderModuleList );
InitializeListHead( &tls_links );
teb = alloc_teb( &size );
thread_data = (struct ntdll_thread_data *)teb->SystemReserved2;
thread_data->request_fd = -1;
thread_data->reply_fd = -1;
thread_data->wait_fd[0] = -1;
thread_data->wait_fd[1] = -1;
thread_data->debug_info = &debug_info;
InsertHeadList( &tls_links, &teb->TlsLinks );
thread_info.stack_base = NULL;
thread_info.stack_size = 0;
thread_info.teb_base = teb;
thread_info.teb_size = size;
thread_info.teb_sel = thread_data->teb_sel;
wine_pthread_init_current_teb( &thread_info );
wine_pthread_init_thread( &thread_info );
debug_info.str_pos = debug_info.strings;
debug_info.out_pos = debug_info.output;
debug_init();
virtual_init();
/* setup the server connection */
server_init_process();
info_size = server_init_thread( thread_info.pid, thread_info.tid, NULL );
/* create a memory view for the TEB */
addr = teb;
NtAllocateVirtualMemory( NtCurrentProcess(), &addr, 0, &size,
MEM_SYSTEM, PAGE_READWRITE );
/* create the process heap */
if (!(peb.ProcessHeap = RtlCreateHeap( HEAP_GROWABLE, NULL, 0, 0, NULL, NULL )))
{
MESSAGE( "wine: failed to create the process heap\n" );
exit(1);
}
/* allocate user parameters */
if (info_size)
{
RTL_USER_PROCESS_PARAMETERS *params = NULL;
if (NtAllocateVirtualMemory( NtCurrentProcess(), (void **)&params, 0, &info_size,
MEM_COMMIT, PAGE_READWRITE ) == STATUS_SUCCESS)
{
params->AllocationSize = info_size;
NtCurrentTeb()->Peb->ProcessParameters = params;
}
}
else
{
/* This is wine specific: we have no parent (we're started from unix)
* so, create a simple console with bare handles to unix stdio
*/
wine_server_fd_to_handle( 0, GENERIC_READ|SYNCHRONIZE, TRUE, &params.hStdInput );
wine_server_fd_to_handle( 1, GENERIC_WRITE|SYNCHRONIZE, TRUE, &params.hStdOutput );
wine_server_fd_to_handle( 2, GENERIC_WRITE|SYNCHRONIZE, TRUE, &params.hStdError );
}
}
/***********************************************************************
* start_thread
*
* Startup routine for a newly created thread.
*/
static void start_thread( struct wine_pthread_thread_info *info )
{
TEB *teb = info->teb_base;
struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)teb->SystemReserved2;
struct startup_info *startup_info = (struct startup_info *)info;
PRTL_THREAD_START_ROUTINE func = startup_info->entry_point;
void *arg = startup_info->entry_arg;
struct debug_info debug_info;
ULONG size;
debug_info.str_pos = debug_info.strings;
debug_info.out_pos = debug_info.output;
thread_data->debug_info = &debug_info;
wine_pthread_init_current_teb( info );
SIGNAL_Init();
server_init_thread( info->pid, info->tid, func );
wine_pthread_init_thread( info );
/* allocate a memory view for the stack */
size = info->stack_size;
teb->DeallocationStack = info->stack_base;
NtAllocateVirtualMemory( NtCurrentProcess(), &teb->DeallocationStack, 0,
&size, MEM_SYSTEM, PAGE_READWRITE );
/* limit is lower than base since the stack grows down */
teb->Tib.StackBase = (char *)info->stack_base + info->stack_size;
teb->Tib.StackLimit = info->stack_base;
/* setup the guard page */
size = 1;
NtProtectVirtualMemory( NtCurrentProcess(), &teb->DeallocationStack, &size,
PAGE_READWRITE | PAGE_GUARD, NULL );
RtlFreeHeap( GetProcessHeap(), 0, info );
RtlAcquirePebLock();
InsertHeadList( &tls_links, &teb->TlsLinks );
RtlReleasePebLock();
func( arg );
}
/***********************************************************************
* RtlCreateUserThread (NTDLL.@)
*/
NTSTATUS WINAPI RtlCreateUserThread( HANDLE process, const 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 )
{
struct ntdll_thread_data *thread_data;
struct startup_info *info = NULL;
HANDLE handle = 0;
TEB *teb = NULL;
DWORD tid = 0;
ULONG size;
int request_pipe[2];
NTSTATUS status;
if( ! is_current_process( process ) )
{
ERR("Unsupported on other process\n");
return STATUS_ACCESS_DENIED;
}
if (pipe( request_pipe ) == -1) return STATUS_TOO_MANY_OPENED_FILES;
fcntl( request_pipe[1], F_SETFD, 1 ); /* set close on exec flag */
wine_server_send_fd( request_pipe[0] );
SERVER_START_REQ( new_thread )
{
req->suspend = suspended;
req->inherit = 0; /* FIXME */
req->request_fd = request_pipe[0];
if (!(status = wine_server_call( req )))
{
handle = reply->handle;
tid = reply->tid;
}
close( request_pipe[0] );
}
SERVER_END_REQ;
if (status) goto error;
if (!(info = RtlAllocateHeap( GetProcessHeap(), 0, sizeof(*info) )))
{
status = STATUS_NO_MEMORY;
goto error;
}
if (!(teb = alloc_teb( &size )))
{
status = STATUS_NO_MEMORY;
goto error;
}
teb->ClientId.UniqueProcess = (HANDLE)GetCurrentProcessId();
teb->ClientId.UniqueThread = (HANDLE)tid;
thread_data = (struct ntdll_thread_data *)teb->SystemReserved2;
thread_data->request_fd = request_pipe[1];
thread_data->reply_fd = -1;
thread_data->wait_fd[0] = -1;
thread_data->wait_fd[1] = -1;
info->pthread_info.teb_base = teb;
NtAllocateVirtualMemory( NtCurrentProcess(), &info->pthread_info.teb_base, 0, &size,
MEM_SYSTEM, PAGE_READWRITE );
info->pthread_info.teb_size = size;
info->pthread_info.teb_sel = thread_data->teb_sel;
if (!stack_reserve || !stack_commit)
{
IMAGE_NT_HEADERS *nt = RtlImageNtHeader( NtCurrentTeb()->Peb->ImageBaseAddress );
if (!stack_reserve) stack_reserve = nt->OptionalHeader.SizeOfStackReserve;
if (!stack_commit) stack_commit = nt->OptionalHeader.SizeOfStackCommit;
}
if (stack_reserve < stack_commit) stack_reserve = stack_commit;
stack_reserve = (stack_reserve + 0xffff) & ~0xffff; /* round to 64K boundary */
if (stack_reserve < 1024 * 1024) stack_reserve = 1024 * 1024; /* Xlib needs a large stack */
info->pthread_info.stack_base = NULL;
info->pthread_info.stack_size = stack_reserve;
info->pthread_info.entry = start_thread;
info->entry_point = start;
info->entry_arg = param;
if (wine_pthread_create_thread( &info->pthread_info ) == -1)
{
status = STATUS_NO_MEMORY;
goto error;
}
if (id) id->UniqueThread = (HANDLE)tid;
if (handle_ptr) *handle_ptr = handle;
else NtClose( handle );
return STATUS_SUCCESS;
error:
if (teb) free_teb( teb );
if (info) RtlFreeHeap( GetProcessHeap(), 0, info );
if (handle) NtClose( handle );
close( request_pipe[1] );
return status;
}
/***********************************************************************
* RtlExitUserThread (NTDLL.@)
*/
void WINAPI RtlExitUserThread( ULONG status )
{
LdrShutdownThread();
server_exit_thread( status );
}
/***********************************************************************
* 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 server_abort_thread( 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 )
{
NTSTATUS status;
switch(class)
{
case ThreadZeroTlsCell:
if (handle == GetCurrentThread())
{
LIST_ENTRY *entry;
DWORD index;
if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
index = *(const DWORD *)data;
if (index < TLS_MINIMUM_AVAILABLE)
{
RtlAcquirePebLock();
for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
{
TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
teb->TlsSlots[index] = 0;
}
RtlReleasePebLock();
}
else
{
index -= TLS_MINIMUM_AVAILABLE;
if (index >= 8 * sizeof(NtCurrentTeb()->Peb->TlsExpansionBitmapBits))
return STATUS_INVALID_PARAMETER;
RtlAcquirePebLock();
for (entry = tls_links.Flink; entry != &tls_links; entry = entry->Flink)
{
TEB *teb = CONTAINING_RECORD(entry, TEB, TlsLinks);
if (teb->TlsExpansionSlots) teb->TlsExpansionSlots[index] = 0;
}
RtlReleasePebLock();
}
return STATUS_SUCCESS;
}
FIXME( "ZeroTlsCell not supported on other threads\n" );
return STATUS_NOT_IMPLEMENTED;
case ThreadImpersonationToken:
{
const HANDLE *phToken = data;
if (length != sizeof(HANDLE)) return STATUS_INVALID_PARAMETER;
TRACE("Setting ThreadImpersonationToken handle to %p\n", *phToken );
SERVER_START_REQ( set_thread_info )
{
req->handle = handle;
req->token = *phToken;
req->mask = SET_THREAD_INFO_TOKEN;
status = wine_server_call( req );
}
SERVER_END_REQ;
return status;
}
case ThreadBasicInformation:
case ThreadTimes:
case ThreadPriority:
case ThreadBasePriority:
case ThreadAffinityMask:
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;
}
}
/**********************************************************************
* NtCurrentTeb (NTDLL.@)
*/
#if defined(__i386__) && defined(__GNUC__)
__ASM_GLOBAL_FUNC( NtCurrentTeb, ".byte 0x64\n\tmovl 0x18,%eax\n\tret" );
#elif defined(__i386__) && defined(_MSC_VER)
/* Nothing needs to be done. MS C "magically" exports the inline version from winnt.h */
#else
/**********************************************************************/
TEB * WINAPI NtCurrentTeb(void)
{
return wine_pthread_get_current_teb();
}
#endif /* __i386__ */
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