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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., 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>
#ifdef HAVE_SYS_MMAN_H
#include <sys/mman.h>
#endif
#ifdef HAVE_SYS_TIMES_H
#include <sys/times.h>
#endif
#ifdef HAVE_SYS_SYSCALL_H
#include <sys/syscall.h>
#endif
#define NONAMELESSUNION
#include "ntstatus.h"
#define WIN32_NO_STATUS
#include "winternl.h"
#include "wine/library.h"
#include "wine/server.h"
#include "wine/debug.h"
#include "ntdll_misc.h"
#include "ddk/wdm.h"
#include "wine/exception.h"
WINE_DEFAULT_DEBUG_CHANNEL(thread);
WINE_DECLARE_DEBUG_CHANNEL(relay);
struct _KUSER_SHARED_DATA *user_shared_data = (void *)0x7ffe0000;
void (WINAPI *kernel32_start_process)(LPTHREAD_START_ROUTINE,void*) = NULL;
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 };
#ifdef __linux__
#ifdef HAVE_ELF_H
# include <elf.h>
#endif
#ifdef HAVE_LINK_H
# include <link.h>
#endif
#ifdef HAVE_SYS_AUXV_H
# include <sys/auxv.h>
#endif
#ifndef HAVE_GETAUXVAL
static unsigned long getauxval( unsigned long id )
{
extern char **__wine_main_environ;
char **ptr = __wine_main_environ;
ElfW(auxv_t) *auxv;
while (*ptr) ptr++;
while (!*ptr) ptr++;
for (auxv = (ElfW(auxv_t) *)ptr; auxv->a_type; auxv++)
if (auxv->a_type == id) return auxv->a_un.a_val;
return 0;
}
#endif
static ULONG_PTR get_image_addr(void)
{
ULONG_PTR size, num, phdr_addr = getauxval( AT_PHDR );
ElfW(Phdr) *phdr;
if (!phdr_addr) return 0;
phdr = (ElfW(Phdr) *)phdr_addr;
size = getauxval( AT_PHENT );
num = getauxval( AT_PHNUM );
while (num--)
{
if (phdr->p_type == PT_PHDR) return phdr_addr - phdr->p_offset;
phdr = (ElfW(Phdr) *)((char *)phdr + size);
}
return 0;
}
#elif defined(__APPLE__)
#include <mach/mach.h>
#include <mach/mach_error.h>
static ULONG_PTR get_image_addr(void)
{
ULONG_PTR ret = 0;
#ifdef TASK_DYLD_INFO
struct task_dyld_info dyld_info;
mach_msg_type_number_t size = TASK_DYLD_INFO_COUNT;
if (task_info(mach_task_self(), TASK_DYLD_INFO, (task_info_t)&dyld_info, &size) == KERN_SUCCESS)
ret = dyld_info.all_image_info_addr;
#endif
return ret;
}
#else
static ULONG_PTR get_image_addr(void)
{
return 0;
}
#endif
/***********************************************************************
* __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, BOOL *suspend )
{
TEB *teb;
virtual_init();
teb = unix_funcs->init_threading( &nb_threads, &__wine_ldt_copy, info_size, suspend, &server_cpus,
&is_wow64, &server_start_time );
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 );
*(ULONG_PTR *)peb->Reserved = get_image_addr();
/*
* 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;
unix_funcs->get_paths( &build_dir, &data_dir, &config_dir );
fill_cpu_info();
server_init_process();
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 )
{
NTSTATUS ret;
SERVER_START_REQ( open_thread )
{
req->tid = HandleToULong(id->UniqueThread);
req->access = access;
req->attributes = attr ? attr->Attributes : 0;
ret = wine_server_call( req );
*handle = wine_server_ptr_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 = wine_server_obj_handle( handle );
if (!(ret = wine_server_call( req )))
{
if (count) *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 = wine_server_obj_handle( handle );
if (!(ret = wine_server_call( req )))
{
if (count) *count = reply->count;
}
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* NtAlertResumeThread (NTDLL.@)
* ZwAlertResumeThread (NTDLL.@)
*/
NTSTATUS WINAPI NtAlertResumeThread( HANDLE handle, PULONG count )
{
FIXME( "stub: should alert thread %p\n", handle );
return NtResumeThread( handle, count );
}
/******************************************************************************
* NtAlertThread (NTDLL.@)
* ZwAlertThread (NTDLL.@)
*/
NTSTATUS WINAPI NtAlertThread( HANDLE handle )
{
FIXME( "stub: %p\n", handle );
return STATUS_NOT_IMPLEMENTED;
}
/******************************************************************************
* NtTerminateThread (NTDLL.@)
* ZwTerminateThread (NTDLL.@)
*/
NTSTATUS WINAPI NtTerminateThread( HANDLE handle, LONG exit_code )
{
NTSTATUS ret;
BOOL self = (handle == GetCurrentThread());
if (!self || exit_code)
{
SERVER_START_REQ( terminate_thread )
{
req->handle = wine_server_obj_handle( handle );
req->exit_code = exit_code;
ret = wine_server_call( req );
self = !ret && reply->self;
}
SERVER_END_REQ;
}
if (self) unix_funcs->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 = wine_server_obj_handle( handle );
if (func)
{
req->call.type = APC_USER;
req->call.user.user.func = wine_server_client_ptr( func );
req->call.user.user.args[0] = arg1;
req->call.user.user.args[1] = arg2;
req->call.user.user.args[2] = arg3;
}
else req->call.type = APC_NONE; /* wake up only */
ret = wine_server_call( req );
}
SERVER_END_REQ;
return ret;
}
/******************************************************************************
* 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;
}
/***********************************************************************
* set_thread_context
*/
NTSTATUS set_thread_context( HANDLE handle, const context_t *context, BOOL *self )
{
NTSTATUS ret;
SERVER_START_REQ( set_thread_context )
{
req->handle = wine_server_obj_handle( handle );
wine_server_add_data( req, context, sizeof(*context) );
ret = wine_server_call( req );
*self = reply->self;
}
SERVER_END_REQ;
return ret;
}
/***********************************************************************
* get_thread_context
*/
NTSTATUS get_thread_context( HANDLE handle, context_t *context, unsigned int flags, BOOL *self )
{
NTSTATUS ret;
SERVER_START_REQ( get_thread_context )
{
req->handle = wine_server_obj_handle( handle );
req->flags = flags;
wine_server_set_reply( req, context, sizeof(*context) );
ret = wine_server_call( req );
*self = reply->self;
handle = wine_server_ptr_handle( reply->handle );
}
SERVER_END_REQ;
if (ret == STATUS_PENDING)
{
LARGE_INTEGER timeout;
timeout.QuadPart = -1000000;
if (NtWaitForSingleObject( handle, FALSE, &timeout ))
{
NtClose( handle );
return STATUS_ACCESS_DENIED;
}
SERVER_START_REQ( get_thread_context )
{
req->handle = wine_server_obj_handle( handle );
req->flags = flags;
wine_server_set_reply( req, context, sizeof(*context) );
ret = wine_server_call( req );
}
SERVER_END_REQ;
}
return ret;
}
/***********************************************************************
* 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 )
{
NTSTATUS status;
switch(class)
{
case ThreadBasicInformation:
{
THREAD_BASIC_INFORMATION info;
const ULONG_PTR affinity_mask = get_system_affinity_mask();
SERVER_START_REQ( get_thread_info )
{
req->handle = wine_server_obj_handle( handle );
req->tid_in = 0;
if (!(status = wine_server_call( req )))
{
info.ExitStatus = reply->exit_code;
info.TebBaseAddress = wine_server_get_ptr( reply->teb );
info.ClientId.UniqueProcess = ULongToHandle(reply->pid);
info.ClientId.UniqueThread = ULongToHandle(reply->tid);
info.AffinityMask = reply->affinity & affinity_mask;
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 ThreadAffinityMask:
{
const ULONG_PTR affinity_mask = get_system_affinity_mask();
ULONG_PTR affinity = 0;
SERVER_START_REQ( get_thread_info )
{
req->handle = wine_server_obj_handle( handle );
req->tid_in = 0;
if (!(status = wine_server_call( req )))
affinity = reply->affinity & affinity_mask;
}
SERVER_END_REQ;
if (status == STATUS_SUCCESS)
{
if (data) memcpy( data, &affinity, min( length, sizeof(affinity) ));
if (ret_len) *ret_len = min( length, sizeof(affinity) );
}
}
return status;
case ThreadTimes:
{
KERNEL_USER_TIMES kusrt;
SERVER_START_REQ( get_thread_times )
{
req->handle = wine_server_obj_handle( handle );
status = wine_server_call( req );
if (status == STATUS_SUCCESS)
{
kusrt.CreateTime.QuadPart = reply->creation_time;
kusrt.ExitTime.QuadPart = reply->exit_time;
}
}
SERVER_END_REQ;
if (status == STATUS_SUCCESS)
{
/* We call times(2) for kernel time or user time */
/* We can only (portably) do this for the current thread */
if (handle == GetCurrentThread())
{
struct tms time_buf;
long clocks_per_sec = sysconf(_SC_CLK_TCK);
times(&time_buf);
kusrt.KernelTime.QuadPart = (ULONGLONG)time_buf.tms_stime * 10000000 / clocks_per_sec;
kusrt.UserTime.QuadPart = (ULONGLONG)time_buf.tms_utime * 10000000 / clocks_per_sec;
}
else
{
static BOOL reported = FALSE;
kusrt.KernelTime.QuadPart = 0;
kusrt.UserTime.QuadPart = 0;
if (reported)
TRACE("Cannot get kerneltime or usertime of other threads\n");
else
{
FIXME("Cannot get kerneltime or usertime of other threads\n");
reported = TRUE;
}
}
if (data) memcpy( data, &kusrt, min( length, sizeof(kusrt) ));
if (ret_len) *ret_len = min( length, sizeof(kusrt) );
}
}
return status;
case ThreadDescriptorTableEntry:
return unix_funcs->get_thread_ldt_entry( handle, data, length, ret_len );
case ThreadAmILastThread:
{
SERVER_START_REQ(get_thread_info)
{
req->handle = wine_server_obj_handle( handle );
req->tid_in = 0;
status = wine_server_call( req );
if (status == STATUS_SUCCESS)
{
BOOLEAN last = reply->last;
if (data) memcpy( data, &last, min( length, sizeof(last) ));
if (ret_len) *ret_len = min( length, sizeof(last) );
}
}
SERVER_END_REQ;
return status;
}
case ThreadQuerySetWin32StartAddress:
{
SERVER_START_REQ( get_thread_info )
{
req->handle = wine_server_obj_handle( handle );
req->tid_in = 0;
status = wine_server_call( req );
if (status == STATUS_SUCCESS)
{
PRTL_THREAD_START_ROUTINE entry = wine_server_get_ptr( reply->entry_point );
if (data) memcpy( data, &entry, min( length, sizeof(entry) ) );
if (ret_len) *ret_len = min( length, sizeof(entry) );
}
}
SERVER_END_REQ;
return status;
}
case ThreadGroupInformation:
{
const ULONG_PTR affinity_mask = get_system_affinity_mask();
GROUP_AFFINITY affinity;
memset(&affinity, 0, sizeof(affinity));
affinity.Group = 0; /* Wine only supports max 64 processors */
SERVER_START_REQ( get_thread_info )
{
req->handle = wine_server_obj_handle( handle );
req->tid_in = 0;
if (!(status = wine_server_call( req )))
affinity.Mask = reply->affinity & affinity_mask;
}
SERVER_END_REQ;
if (status == STATUS_SUCCESS)
{
if (data) memcpy( data, &affinity, min( length, sizeof(affinity) ));
if (ret_len) *ret_len = min( length, sizeof(affinity) );
}
}
return status;
case ThreadIsIoPending:
FIXME( "ThreadIsIoPending info class not supported yet\n" );
if (length != sizeof(BOOL)) return STATUS_INFO_LENGTH_MISMATCH;
if (!data) return STATUS_ACCESS_DENIED;
*(BOOL*)data = FALSE;
if (ret_len) *ret_len = sizeof(BOOL);
return STATUS_SUCCESS;
case ThreadSuspendCount:
{
ULONG count = 0;
if (length != sizeof(ULONG)) return STATUS_INFO_LENGTH_MISMATCH;
if (!data) return STATUS_ACCESS_VIOLATION;
SERVER_START_REQ( get_thread_info )
{
req->handle = wine_server_obj_handle( handle );
req->tid_in = 0;
if (!(status = wine_server_call( req )))
count = reply->suspend_count;
}
SERVER_END_REQ;
if (!status)
*(ULONG *)data = count;
return status;
}
case ThreadDescription:
{
THREAD_DESCRIPTION_INFORMATION *info = data;
data_size_t len, desc_len = 0;
WCHAR *ptr;
len = length >= sizeof(*info) ? length - sizeof(*info) : 0;
ptr = info ? (WCHAR *)(info + 1) : NULL;
SERVER_START_REQ( get_thread_info )
{
req->handle = wine_server_obj_handle( handle );
if (ptr) wine_server_set_reply( req, ptr, len );
status = wine_server_call( req );
desc_len = reply->desc_len;
}
SERVER_END_REQ;
if (!info)
status = STATUS_BUFFER_TOO_SMALL;
else if (status == STATUS_SUCCESS)
{
info->Description.Length = info->Description.MaximumLength = desc_len;
info->Description.Buffer = ptr;
}
if (ret_len && (status == STATUS_SUCCESS || status == STATUS_BUFFER_TOO_SMALL))
*ret_len = sizeof(*info) + desc_len;
}
return status;
case ThreadPriority:
case ThreadBasePriority:
case ThreadImpersonationToken:
case ThreadEnableAlignmentFaultFixup:
case ThreadEventPair_Reusable:
case ThreadZeroTlsCell:
case ThreadPerformanceCount:
case ThreadIdealProcessor:
case ThreadPriorityBoost:
case ThreadSetTlsArrayAddress:
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 = wine_server_obj_handle( handle );
req->token = wine_server_obj_handle( *phToken );
req->mask = SET_THREAD_INFO_TOKEN;
status = wine_server_call( req );
}
SERVER_END_REQ;
}
return status;
case ThreadBasePriority:
{
const DWORD *pprio = data;
if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER;
SERVER_START_REQ( set_thread_info )
{
req->handle = wine_server_obj_handle( handle );
req->priority = *pprio;
req->mask = SET_THREAD_INFO_PRIORITY;
status = wine_server_call( req );
}
SERVER_END_REQ;
}
return status;
case ThreadAffinityMask:
{
const ULONG_PTR affinity_mask = get_system_affinity_mask();
ULONG_PTR req_aff;
if (length != sizeof(ULONG_PTR)) return STATUS_INVALID_PARAMETER;
req_aff = *(const ULONG_PTR *)data & affinity_mask;
if (!req_aff) return STATUS_INVALID_PARAMETER;
SERVER_START_REQ( set_thread_info )
{
req->handle = wine_server_obj_handle( handle );
req->affinity = req_aff;
req->mask = SET_THREAD_INFO_AFFINITY;
status = wine_server_call( req );
}
SERVER_END_REQ;
}
return status;
case ThreadHideFromDebugger:
/* pretend the call succeeded to satisfy some code protectors */
return STATUS_SUCCESS;
case ThreadQuerySetWin32StartAddress:
{
const PRTL_THREAD_START_ROUTINE *entry = data;
if (length != sizeof(PRTL_THREAD_START_ROUTINE)) return STATUS_INVALID_PARAMETER;
SERVER_START_REQ( set_thread_info )
{
req->handle = wine_server_obj_handle( handle );
req->mask = SET_THREAD_INFO_ENTRYPOINT;
req->entry_point = wine_server_client_ptr( *entry );
status = wine_server_call( req );
}
SERVER_END_REQ;
}
return status;
case ThreadGroupInformation:
{
const ULONG_PTR affinity_mask = get_system_affinity_mask();
const GROUP_AFFINITY *req_aff;
if (length != sizeof(*req_aff)) return STATUS_INVALID_PARAMETER;
if (!data) return STATUS_ACCESS_VIOLATION;
req_aff = data;
/* On Windows the request fails if the reserved fields are set */
if (req_aff->Reserved[0] || req_aff->Reserved[1] || req_aff->Reserved[2])
return STATUS_INVALID_PARAMETER;
/* Wine only supports max 64 processors */
if (req_aff->Group) return STATUS_INVALID_PARAMETER;
if (req_aff->Mask & ~affinity_mask) return STATUS_INVALID_PARAMETER;
if (!req_aff->Mask) return STATUS_INVALID_PARAMETER;
SERVER_START_REQ( set_thread_info )
{
req->handle = wine_server_obj_handle( handle );
req->affinity = req_aff->Mask;
req->mask = SET_THREAD_INFO_AFFINITY;
status = wine_server_call( req );
}
SERVER_END_REQ;
}
return status;
case ThreadDescription:
{
const THREAD_DESCRIPTION_INFORMATION *info = data;
if (length != sizeof(*info)) return STATUS_INFO_LENGTH_MISMATCH;
if (!info) return STATUS_ACCESS_VIOLATION;
if (info->Description.Length != info->Description.MaximumLength) return STATUS_INVALID_PARAMETER;
if (info->Description.Length && !info->Description.Buffer) return STATUS_ACCESS_VIOLATION;
SERVER_START_REQ( set_thread_info )
{
req->handle = wine_server_obj_handle( handle );
req->mask = SET_THREAD_INFO_DESCRIPTION;
wine_server_add_data( req, info->Description.Buffer, info->Description.Length );
status = wine_server_call( req );
}
SERVER_END_REQ;
}
return status;
case ThreadBasicInformation:
case ThreadTimes:
case ThreadPriority:
case ThreadDescriptorTableEntry:
case ThreadEnableAlignmentFaultFixup:
case ThreadEventPair_Reusable:
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;
}
}
/******************************************************************************
* NtGetCurrentProcessorNumber (NTDLL.@)
*
* Return the processor, on which the thread is running
*
*/
ULONG WINAPI NtGetCurrentProcessorNumber(void)
{
ULONG processor;
#if defined(__linux__) && defined(__NR_getcpu)
int res = syscall(__NR_getcpu, &processor, NULL, NULL);
if (res != -1) return processor;
#endif
if (NtCurrentTeb()->Peb->NumberOfProcessors > 1)
{
ULONG_PTR thread_mask, processor_mask;
NTSTATUS status;
status = NtQueryInformationThread(GetCurrentThread(), ThreadAffinityMask,
&thread_mask, sizeof(thread_mask), NULL);
if (status == STATUS_SUCCESS)
{
for (processor = 0; processor < NtCurrentTeb()->Peb->NumberOfProcessors; processor++)
{
processor_mask = (1 << processor);
if (thread_mask & processor_mask)
{
if (thread_mask != processor_mask)
FIXME("need multicore support (%d processors)\n",
NtCurrentTeb()->Peb->NumberOfProcessors);
return processor;
}
}
}
}
/* fallback to the first processor */
return 0;
}
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