/* * 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 */ #if 0 #pragma makedep unix #endif #include "config.h" #include "wine/port.h" #include #include #include #include #include #include #include #include #include #ifdef HAVE_SYS_MMAN_H #include #endif #ifdef HAVE_SYS_TIMES_H #include #endif #ifdef HAVE_SYS_SYSCALL_H #include #endif #ifdef HAVE_SYS_SYSCTL_H #include #endif #ifdef HAVE_SYS_PARAM_H #include #endif #ifdef HAVE_SYS_QUEUE_H #include #endif #ifdef HAVE_SYS_USER_H #include #endif #ifdef HAVE_LIBPROCSTAT_H #include #endif #define NONAMELESSUNION #include "ntstatus.h" #define WIN32_NO_STATUS #include "winternl.h" #include "ddk/wdm.h" #include "wine/server.h" #include "wine/debug.h" #include "wine/exception.h" #include "unix_private.h" WINE_DEFAULT_DEBUG_CHANNEL(thread); WINE_DECLARE_DEBUG_CHANNEL(seh); #ifndef PTHREAD_STACK_MIN #define PTHREAD_STACK_MIN 16384 #endif static int nb_threads = 1; static inline int get_unix_exit_code( NTSTATUS status ) { /* prevent a nonzero exit code to end up truncated to zero in unix */ if (status && !(status & 0xff)) return 1; return status; } /*********************************************************************** * pthread_exit_wrapper */ static void pthread_exit_wrapper( int status ) { close( ntdll_get_thread_data()->wait_fd[0] ); close( ntdll_get_thread_data()->wait_fd[1] ); close( ntdll_get_thread_data()->reply_fd ); close( ntdll_get_thread_data()->request_fd ); pthread_exit( UIntToPtr(status) ); } /*********************************************************************** * start_thread * * Startup routine for a newly created thread. */ static void start_thread( TEB *teb ) { struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)&teb->GdiTebBatch; struct debug_info debug_info; BOOL suspend; debug_info.str_pos = debug_info.out_pos = 0; thread_data->debug_info = &debug_info; thread_data->pthread_id = pthread_self(); signal_init_thread( teb ); server_init_thread( thread_data->start, &suspend ); signal_start_thread( thread_data->start, thread_data->param, suspend, pLdrInitializeThunk, teb ); } /*********************************************************************** * get_machine_context_size */ static SIZE_T get_machine_context_size( USHORT machine ) { switch (machine) { case IMAGE_FILE_MACHINE_I386: return sizeof(I386_CONTEXT); case IMAGE_FILE_MACHINE_ARMNT: return sizeof(ARM_CONTEXT); case IMAGE_FILE_MACHINE_AMD64: return sizeof(AMD64_CONTEXT); case IMAGE_FILE_MACHINE_ARM64: return sizeof(ARM64_NT_CONTEXT); default: return 0; } } /*********************************************************************** * set_thread_id */ void set_thread_id( TEB *teb, DWORD pid, DWORD tid ) { teb->ClientId.UniqueProcess = ULongToHandle( pid ); teb->ClientId.UniqueThread = ULongToHandle( tid ); if (teb->WowTebOffset) { #ifdef _WIN64 TEB32 *teb32 = (TEB32 *)((char *)teb + teb->WowTebOffset); teb32->ClientId.UniqueProcess = pid; teb32->ClientId.UniqueThread = tid; #else TEB64 *teb64 = (TEB64 *)((char *)teb + teb->WowTebOffset); teb64->ClientId.UniqueProcess = pid; teb64->ClientId.UniqueThread = tid; #endif } } /*********************************************************************** * init_thread_stack */ NTSTATUS init_thread_stack( TEB *teb, ULONG_PTR zero_bits, SIZE_T reserve_size, SIZE_T commit_size, SIZE_T *pthread_size ) { INITIAL_TEB stack, stack64; NTSTATUS status; if ((status = virtual_alloc_thread_stack( &stack, zero_bits, reserve_size, commit_size, pthread_size ))) return status; if (teb->WowTebOffset && !(status = virtual_alloc_thread_stack( &stack64, 0, 0x40000, 0x40000, NULL ))) { SIZE_T cpusize = sizeof(WOW64_CPURESERVED) + ((get_machine_context_size( main_image_info.Machine ) + 7) & ~7) + sizeof(ULONG64); WOW64_CPURESERVED *cpu = (WOW64_CPURESERVED *)(((ULONG_PTR)stack64.StackBase - cpusize) & ~15); #ifdef _WIN64 TEB32 *teb32 = (TEB32 *)((char *)teb + teb->WowTebOffset); teb32->Tib.StackBase = PtrToUlong( stack.StackBase ); teb32->Tib.StackLimit = PtrToUlong( stack.StackLimit ); teb32->DeallocationStack = PtrToUlong( stack.DeallocationStack ); stack64.StackBase = teb->TlsSlots[WOW64_TLS_CPURESERVED] = cpu; stack = stack64; #else TEB64 *teb64 = (TEB64 *)((char *)teb + teb->WowTebOffset); teb64->Tib.StackBase = teb64->TlsSlots[WOW64_TLS_CPURESERVED] = PtrToUlong( cpu ); teb64->Tib.StackLimit = PtrToUlong( stack64.StackLimit ); teb64->DeallocationStack = PtrToUlong( stack64.DeallocationStack ); #endif cpu->Machine = main_image_info.Machine; } teb->Tib.StackBase = stack.StackBase; teb->Tib.StackLimit = stack.StackLimit; teb->DeallocationStack = stack.DeallocationStack; return status; } /*********************************************************************** * update_attr_list * * Update the output attributes. */ static void update_attr_list( PS_ATTRIBUTE_LIST *attr, const CLIENT_ID *id, TEB *teb ) { SIZE_T i, count = (attr->TotalLength - sizeof(attr->TotalLength)) / sizeof(PS_ATTRIBUTE); for (i = 0; i < count; i++) { if (attr->Attributes[i].Attribute == PS_ATTRIBUTE_CLIENT_ID) { SIZE_T size = min( attr->Attributes[i].Size, sizeof(*id) ); memcpy( attr->Attributes[i].ValuePtr, id, size ); if (attr->Attributes[i].ReturnLength) *attr->Attributes[i].ReturnLength = size; } else if (attr->Attributes[i].Attribute == PS_ATTRIBUTE_TEB_ADDRESS) { SIZE_T size = min( attr->Attributes[i].Size, sizeof(teb) ); memcpy( attr->Attributes[i].ValuePtr, &teb, size ); if (attr->Attributes[i].ReturnLength) *attr->Attributes[i].ReturnLength = size; } } } /*********************************************************************** * NtCreateThread (NTDLL.@) */ NTSTATUS WINAPI NtCreateThread( HANDLE *handle, ACCESS_MASK access, OBJECT_ATTRIBUTES *attr, HANDLE process, CLIENT_ID *id, CONTEXT *ctx, INITIAL_TEB *teb, BOOLEAN suspended ) { FIXME( "%p %d %p %p %p %p %p %d, stub!\n", handle, access, attr, process, id, ctx, teb, suspended ); return STATUS_NOT_IMPLEMENTED; } /*********************************************************************** * NtCreateThreadEx (NTDLL.@) */ NTSTATUS WINAPI NtCreateThreadEx( HANDLE *handle, ACCESS_MASK access, OBJECT_ATTRIBUTES *attr, HANDLE process, PRTL_THREAD_START_ROUTINE start, void *param, ULONG flags, ULONG_PTR zero_bits, SIZE_T stack_commit, SIZE_T stack_reserve, PS_ATTRIBUTE_LIST *attr_list ) { sigset_t sigset; pthread_t pthread_id; pthread_attr_t pthread_attr; data_size_t len; struct object_attributes *objattr; struct ntdll_thread_data *thread_data; DWORD tid = 0; int request_pipe[2]; SIZE_T extra_stack = PTHREAD_STACK_MIN; TEB *teb; NTSTATUS status; if (zero_bits > 21 && zero_bits < 32) return STATUS_INVALID_PARAMETER_3; #ifndef _WIN64 if (!is_wow64 && zero_bits >= 32) return STATUS_INVALID_PARAMETER_3; #endif if (process != NtCurrentProcess()) { apc_call_t call; apc_result_t result; memset( &call, 0, sizeof(call) ); call.create_thread.type = APC_CREATE_THREAD; call.create_thread.flags = flags; call.create_thread.func = wine_server_client_ptr( start ); call.create_thread.arg = wine_server_client_ptr( param ); call.create_thread.zero_bits = zero_bits; call.create_thread.reserve = stack_reserve; call.create_thread.commit = stack_commit; status = server_queue_process_apc( process, &call, &result ); if (status != STATUS_SUCCESS) return status; if (result.create_thread.status == STATUS_SUCCESS) { CLIENT_ID client_id; TEB *teb = wine_server_get_ptr( result.create_thread.teb ); *handle = wine_server_ptr_handle( result.create_thread.handle ); client_id.UniqueProcess = ULongToHandle( result.create_thread.pid ); client_id.UniqueThread = ULongToHandle( result.create_thread.tid ); if (attr_list) update_attr_list( attr_list, &client_id, teb ); } return result.create_thread.status; } if ((status = alloc_object_attributes( attr, &objattr, &len ))) return status; if (server_pipe( request_pipe ) == -1) { free( objattr ); return STATUS_TOO_MANY_OPENED_FILES; } wine_server_send_fd( request_pipe[0] ); if (!access) access = THREAD_ALL_ACCESS; SERVER_START_REQ( new_thread ) { req->process = wine_server_obj_handle( process ); req->access = access; req->suspend = flags & THREAD_CREATE_FLAGS_CREATE_SUSPENDED; req->request_fd = request_pipe[0]; wine_server_add_data( req, objattr, len ); if (!(status = wine_server_call( req ))) { *handle = wine_server_ptr_handle( reply->handle ); tid = reply->tid; } close( request_pipe[0] ); } SERVER_END_REQ; free( objattr ); if (status) { close( request_pipe[1] ); return status; } pthread_sigmask( SIG_BLOCK, &server_block_set, &sigset ); if ((status = virtual_alloc_teb( &teb ))) goto done; if ((status = init_thread_stack( teb, zero_bits, stack_reserve, stack_commit, &extra_stack ))) { virtual_free_teb( teb ); goto done; } set_thread_id( teb, GetCurrentProcessId(), tid ); thread_data = (struct ntdll_thread_data *)&teb->GdiTebBatch; thread_data->request_fd = request_pipe[1]; thread_data->start_stack = (char *)teb->Tib.StackBase; thread_data->start = start; thread_data->param = param; pthread_attr_init( &pthread_attr ); pthread_attr_setstack( &pthread_attr, teb->DeallocationStack, (char *)teb->Tib.StackBase + extra_stack - (char *)teb->DeallocationStack ); pthread_attr_setguardsize( &pthread_attr, 0 ); pthread_attr_setscope( &pthread_attr, PTHREAD_SCOPE_SYSTEM ); /* force creating a kernel thread */ InterlockedIncrement( &nb_threads ); if (pthread_create( &pthread_id, &pthread_attr, (void * (*)(void *))start_thread, teb )) { InterlockedDecrement( &nb_threads ); virtual_free_teb( teb ); status = STATUS_NO_MEMORY; } pthread_attr_destroy( &pthread_attr ); done: pthread_sigmask( SIG_SETMASK, &sigset, NULL ); if (status) { NtClose( *handle ); close( request_pipe[1] ); return status; } if (attr_list) update_attr_list( attr_list, &teb->ClientId, teb ); return STATUS_SUCCESS; } /*********************************************************************** * abort_thread */ void abort_thread( int status ) { pthread_sigmask( SIG_BLOCK, &server_block_set, NULL ); if (InterlockedDecrement( &nb_threads ) <= 0) abort_process( status ); signal_exit_thread( status, pthread_exit_wrapper ); } /*********************************************************************** * abort_process */ void abort_process( int status ) { _exit( get_unix_exit_code( status )); } /*********************************************************************** * exit_thread */ static void exit_thread( int status ) { static void *prev_teb; TEB *teb; pthread_sigmask( SIG_BLOCK, &server_block_set, NULL ); if ((teb = InterlockedExchangePointer( &prev_teb, NtCurrentTeb() ))) { struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)&teb->GdiTebBatch; if (thread_data->pthread_id) { pthread_join( thread_data->pthread_id, NULL ); virtual_free_teb( teb ); } } signal_exit_thread( status, pthread_exit_wrapper ); } /*********************************************************************** * exit_process */ void exit_process( int status ) { pthread_sigmask( SIG_BLOCK, &server_block_set, NULL ); signal_exit_thread( get_unix_exit_code( status ), process_exit_wrapper ); } /********************************************************************** * wait_suspend * * Wait until the thread is no longer suspended. */ void wait_suspend( CONTEXT *context ) { int saved_errno = errno; /* wait with 0 timeout, will only return once the thread is no longer suspended */ server_select( NULL, 0, SELECT_INTERRUPTIBLE, 0, context, NULL, NULL ); errno = saved_errno; } /********************************************************************** * send_debug_event * * Send an EXCEPTION_DEBUG_EVENT event to the debugger. */ NTSTATUS send_debug_event( EXCEPTION_RECORD *rec, CONTEXT *context, BOOL first_chance ) { NTSTATUS ret; DWORD i; obj_handle_t handle = 0; client_ptr_t params[EXCEPTION_MAXIMUM_PARAMETERS]; select_op_t select_op; sigset_t old_set; if (!NtCurrentTeb()->Peb->BeingDebugged) return 0; /* no debugger present */ pthread_sigmask( SIG_BLOCK, &server_block_set, &old_set ); for (i = 0; i < min( rec->NumberParameters, EXCEPTION_MAXIMUM_PARAMETERS ); i++) params[i] = rec->ExceptionInformation[i]; SERVER_START_REQ( queue_exception_event ) { req->first = first_chance; req->code = rec->ExceptionCode; req->flags = rec->ExceptionFlags; req->record = wine_server_client_ptr( rec->ExceptionRecord ); req->address = wine_server_client_ptr( rec->ExceptionAddress ); req->len = i * sizeof(params[0]); wine_server_add_data( req, params, req->len ); if (!(ret = wine_server_call( req ))) handle = reply->handle; } SERVER_END_REQ; if (handle) { struct xcontext exception_context; DECLSPEC_ALIGN(64) XSTATE xs; XSTATE *src_xs; select_op.wait.op = SELECT_WAIT; select_op.wait.handles[0] = handle; exception_context.c = *context; if ((src_xs = xstate_from_context( context ))) { context_init_xstate( &exception_context.c, &xs ); memcpy( &xs, src_xs, sizeof(xs) ); } server_select( &select_op, offsetof( select_op_t, wait.handles[1] ), SELECT_INTERRUPTIBLE, TIMEOUT_INFINITE, &exception_context.c, NULL, NULL ); SERVER_START_REQ( get_exception_status ) { req->handle = handle; ret = wine_server_call( req ); } SERVER_END_REQ; if (ret >= 0) { *context = exception_context.c; if (src_xs) memcpy( src_xs, &xs, sizeof(xs) ); } } pthread_sigmask( SIG_SETMASK, &old_set, NULL ); return ret; } /******************************************************************* * NtRaiseException (NTDLL.@) */ NTSTATUS WINAPI NtRaiseException( EXCEPTION_RECORD *rec, CONTEXT *context, BOOL first_chance ) { NTSTATUS status = send_debug_event( rec, context, first_chance ); if (status == DBG_CONTINUE || status == DBG_EXCEPTION_HANDLED) return NtContinue( context, FALSE ); if (first_chance) call_user_exception_dispatcher( rec, context, pKiUserExceptionDispatcher ); if (rec->ExceptionFlags & EH_STACK_INVALID) ERR_(seh)("Exception frame is not in stack limits => unable to dispatch exception.\n"); else if (rec->ExceptionCode == STATUS_NONCONTINUABLE_EXCEPTION) ERR_(seh)("Process attempted to continue execution after noncontinuable exception.\n"); else ERR_(seh)("Unhandled exception code %x flags %x addr %p\n", rec->ExceptionCode, rec->ExceptionFlags, rec->ExceptionAddress ); NtTerminateProcess( NtCurrentProcess(), rec->ExceptionCode ); return STATUS_SUCCESS; } /*********************************************************************** * NtOpenThread (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.@) */ NTSTATUS WINAPI NtSuspendThread( HANDLE handle, ULONG *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.@) */ NTSTATUS WINAPI NtResumeThread( HANDLE handle, ULONG *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.@) */ NTSTATUS WINAPI NtAlertResumeThread( HANDLE handle, ULONG *count ) { FIXME( "stub: should alert thread %p\n", handle ); return NtResumeThread( handle, count ); } /****************************************************************************** * NtAlertThread (NTDLL.@) */ NTSTATUS WINAPI NtAlertThread( HANDLE handle ) { FIXME( "stub: %p\n", handle ); return STATUS_NOT_IMPLEMENTED; } /****************************************************************************** * NtTerminateThread (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) exit_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; } /*********************************************************************** * 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) { NtWaitForSingleObject( handle, FALSE, NULL ); 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; } #ifdef __x86_64__ /*********************************************************************** * wow64_get_server_context_flags */ static unsigned int wow64_get_server_context_flags( DWORD flags ) { unsigned int ret = 0; flags &= ~WOW64_CONTEXT_i386; /* get rid of CPU id */ if (flags & WOW64_CONTEXT_CONTROL) ret |= SERVER_CTX_CONTROL; if (flags & WOW64_CONTEXT_INTEGER) ret |= SERVER_CTX_INTEGER; if (flags & WOW64_CONTEXT_SEGMENTS) ret |= SERVER_CTX_SEGMENTS; if (flags & WOW64_CONTEXT_FLOATING_POINT) ret |= SERVER_CTX_FLOATING_POINT; if (flags & WOW64_CONTEXT_DEBUG_REGISTERS) ret |= SERVER_CTX_DEBUG_REGISTERS; if (flags & WOW64_CONTEXT_EXTENDED_REGISTERS) ret |= SERVER_CTX_EXTENDED_REGISTERS; return ret; } /*********************************************************************** * wow64_context_from_server */ static NTSTATUS wow64_context_from_server( WOW64_CONTEXT *to, const context_t *from ) { if (from->machine != IMAGE_FILE_MACHINE_I386) return STATUS_INVALID_PARAMETER; to->ContextFlags = WOW64_CONTEXT_i386 | (to->ContextFlags & 0x40); if (from->flags & SERVER_CTX_CONTROL) { to->ContextFlags |= WOW64_CONTEXT_CONTROL; to->Ebp = from->ctl.i386_regs.ebp; to->Esp = from->ctl.i386_regs.esp; to->Eip = from->ctl.i386_regs.eip; to->SegCs = from->ctl.i386_regs.cs; to->SegSs = from->ctl.i386_regs.ss; to->EFlags = from->ctl.i386_regs.eflags; } if (from->flags & SERVER_CTX_INTEGER) { to->ContextFlags |= WOW64_CONTEXT_INTEGER; to->Eax = from->integer.i386_regs.eax; to->Ebx = from->integer.i386_regs.ebx; to->Ecx = from->integer.i386_regs.ecx; to->Edx = from->integer.i386_regs.edx; to->Esi = from->integer.i386_regs.esi; to->Edi = from->integer.i386_regs.edi; } if (from->flags & SERVER_CTX_SEGMENTS) { to->ContextFlags |= WOW64_CONTEXT_SEGMENTS; to->SegDs = from->seg.i386_regs.ds; to->SegEs = from->seg.i386_regs.es; to->SegFs = from->seg.i386_regs.fs; to->SegGs = from->seg.i386_regs.gs; } if (from->flags & SERVER_CTX_FLOATING_POINT) { to->ContextFlags |= WOW64_CONTEXT_FLOATING_POINT; to->FloatSave.ControlWord = from->fp.i386_regs.ctrl; to->FloatSave.StatusWord = from->fp.i386_regs.status; to->FloatSave.TagWord = from->fp.i386_regs.tag; to->FloatSave.ErrorOffset = from->fp.i386_regs.err_off; to->FloatSave.ErrorSelector = from->fp.i386_regs.err_sel; to->FloatSave.DataOffset = from->fp.i386_regs.data_off; to->FloatSave.DataSelector = from->fp.i386_regs.data_sel; to->FloatSave.Cr0NpxState = from->fp.i386_regs.cr0npx; memcpy( to->FloatSave.RegisterArea, from->fp.i386_regs.regs, sizeof(to->FloatSave.RegisterArea) ); } if (from->flags & SERVER_CTX_DEBUG_REGISTERS) { to->ContextFlags |= WOW64_CONTEXT_DEBUG_REGISTERS; to->Dr0 = from->debug.i386_regs.dr0; to->Dr1 = from->debug.i386_regs.dr1; to->Dr2 = from->debug.i386_regs.dr2; to->Dr3 = from->debug.i386_regs.dr3; to->Dr6 = from->debug.i386_regs.dr6; to->Dr7 = from->debug.i386_regs.dr7; } if (from->flags & SERVER_CTX_EXTENDED_REGISTERS) { to->ContextFlags |= WOW64_CONTEXT_EXTENDED_REGISTERS; memcpy( to->ExtendedRegisters, from->ext.i386_regs, sizeof(to->ExtendedRegisters) ); } if ((to->ContextFlags & WOW64_CONTEXT_XSTATE) == WOW64_CONTEXT_XSTATE) { CONTEXT_EX *c_ex = (CONTEXT_EX *)(to + 1); xstate_from_server( (XSTATE *)((BYTE *)c_ex + c_ex->XState.Offset), from ); } return STATUS_SUCCESS; } /*********************************************************************** * wow64_context_to_server */ static void wow64_context_to_server( context_t *to, const WOW64_CONTEXT *from ) { DWORD flags = from->ContextFlags & ~WOW64_CONTEXT_i386; /* get rid of CPU id */ memset( to, 0, sizeof(*to) ); to->machine = IMAGE_FILE_MACHINE_I386; if (flags & WOW64_CONTEXT_CONTROL) { to->flags |= SERVER_CTX_CONTROL; to->ctl.i386_regs.ebp = from->Ebp; to->ctl.i386_regs.esp = from->Esp; to->ctl.i386_regs.eip = from->Eip; to->ctl.i386_regs.cs = from->SegCs; to->ctl.i386_regs.ss = from->SegSs; to->ctl.i386_regs.eflags = from->EFlags; } if (flags & WOW64_CONTEXT_INTEGER) { to->flags |= SERVER_CTX_INTEGER; to->integer.i386_regs.eax = from->Eax; to->integer.i386_regs.ebx = from->Ebx; to->integer.i386_regs.ecx = from->Ecx; to->integer.i386_regs.edx = from->Edx; to->integer.i386_regs.esi = from->Esi; to->integer.i386_regs.edi = from->Edi; } if (flags & WOW64_CONTEXT_SEGMENTS) { to->flags |= SERVER_CTX_SEGMENTS; to->seg.i386_regs.ds = from->SegDs; to->seg.i386_regs.es = from->SegEs; to->seg.i386_regs.fs = from->SegFs; to->seg.i386_regs.gs = from->SegGs; } if (flags & WOW64_CONTEXT_FLOATING_POINT) { to->flags |= SERVER_CTX_FLOATING_POINT; to->fp.i386_regs.ctrl = from->FloatSave.ControlWord; to->fp.i386_regs.status = from->FloatSave.StatusWord; to->fp.i386_regs.tag = from->FloatSave.TagWord; to->fp.i386_regs.err_off = from->FloatSave.ErrorOffset; to->fp.i386_regs.err_sel = from->FloatSave.ErrorSelector; to->fp.i386_regs.data_off = from->FloatSave.DataOffset; to->fp.i386_regs.data_sel = from->FloatSave.DataSelector; to->fp.i386_regs.cr0npx = from->FloatSave.Cr0NpxState; memcpy( to->fp.i386_regs.regs, from->FloatSave.RegisterArea, sizeof(to->fp.i386_regs.regs) ); } if (flags & WOW64_CONTEXT_DEBUG_REGISTERS) { to->flags |= SERVER_CTX_DEBUG_REGISTERS; to->debug.i386_regs.dr0 = from->Dr0; to->debug.i386_regs.dr1 = from->Dr1; to->debug.i386_regs.dr2 = from->Dr2; to->debug.i386_regs.dr3 = from->Dr3; to->debug.i386_regs.dr6 = from->Dr6; to->debug.i386_regs.dr7 = from->Dr7; } if (flags & WOW64_CONTEXT_EXTENDED_REGISTERS) { to->flags |= SERVER_CTX_EXTENDED_REGISTERS; memcpy( to->ext.i386_regs, from->ExtendedRegisters, sizeof(to->ext.i386_regs) ); } if (flags & WOW64_CONTEXT_XSTATE) { CONTEXT_EX *c_ex = (CONTEXT_EX *)(from + 1); xstate_to_server( to, (XSTATE *)((BYTE *)c_ex + c_ex->XState.Offset) ); } } #endif /* __x86_64__ */ BOOL get_thread_times(int unix_pid, int unix_tid, LARGE_INTEGER *kernel_time, LARGE_INTEGER *user_time) { #ifdef linux unsigned long clocks_per_sec = sysconf( _SC_CLK_TCK ); unsigned long usr, sys; const char *pos; char buf[512]; FILE *f; int i; if (unix_tid == -1) sprintf( buf, "/proc/%u/stat", unix_pid ); else sprintf( buf, "/proc/%u/task/%u/stat", unix_pid, unix_tid ); if (!(f = fopen( buf, "r" ))) { WARN("Failed to open %s: %s\n", buf, strerror(errno)); return FALSE; } pos = fgets( buf, sizeof(buf), f ); fclose( f ); /* the process name is printed unescaped, so we have to skip to the last ')' * to avoid misinterpreting the string */ if (pos) pos = strrchr( pos, ')' ); if (pos) pos = strchr( pos + 1, ' ' ); if (pos) pos++; /* skip over the following fields: state, ppid, pgid, sid, tty_nr, tty_pgrp, * task->flags, min_flt, cmin_flt, maj_flt, cmaj_flt */ for (i = 0; i < 11 && pos; i++) { pos = strchr( pos + 1, ' ' ); if (pos) pos++; } /* the next two values are user and system time */ if (pos && (sscanf( pos, "%lu %lu", &usr, &sys ) == 2)) { kernel_time->QuadPart = (ULONGLONG)sys * 10000000 / clocks_per_sec; user_time->QuadPart = (ULONGLONG)usr * 10000000 / clocks_per_sec; return TRUE; } ERR("Failed to parse %s\n", debugstr_a(buf)); return FALSE; #elif defined(HAVE_LIBPROCSTAT) struct procstat *pstat; struct kinfo_proc *kip; unsigned int proc_count; BOOL ret = FALSE; pstat = procstat_open_sysctl(); if (!pstat) return FALSE; if (unix_tid == -1) kip = procstat_getprocs(pstat, KERN_PROC_PID, unix_pid, &proc_count); else kip = procstat_getprocs(pstat, KERN_PROC_PID | KERN_PROC_INC_THREAD, unix_pid, &proc_count); if (kip) { unsigned int i; for (i = 0; i < proc_count; i++) { if (unix_tid == -1 || kip[i].ki_tid == unix_tid) { kernel_time->QuadPart = 10000000 * (ULONGLONG)kip[i].ki_rusage.ru_stime.tv_sec + 10 * (ULONGLONG)kip[i].ki_rusage.ru_stime.tv_usec; user_time->QuadPart = 10000000 * (ULONGLONG)kip[i].ki_rusage.ru_utime.tv_sec + 10 * (ULONGLONG)kip[i].ki_rusage.ru_utime.tv_usec; ret = TRUE; break; } } procstat_freeprocs(pstat, kip); } procstat_close(pstat); return ret; #else static int once; if (!once++) FIXME("not implemented on this platform\n"); return FALSE; #endif } #ifndef _WIN64 static BOOL is_process_wow64( const CLIENT_ID *id ) { HANDLE handle; ULONG_PTR info; BOOL ret = FALSE; if (id->UniqueProcess == ULongToHandle(GetCurrentProcessId())) return is_wow64; if (!NtOpenProcess( &handle, PROCESS_QUERY_LIMITED_INFORMATION, NULL, id )) { if (!NtQueryInformationProcess( handle, ProcessWow64Information, &info, sizeof(info), NULL )) ret = !!info; NtClose( handle ); } return ret; } #endif /****************************************************************************** * NtQueryInformationThread (NTDLL.@) */ NTSTATUS WINAPI NtQueryInformationThread( HANDLE handle, THREADINFOCLASS class, void *data, ULONG length, ULONG *ret_len ) { NTSTATUS status; TRACE("(%p,%d,%p,%x,%p)\n", handle, class, data, length, ret_len); 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 ); 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) { #ifndef _WIN64 if (is_wow64) { if (is_process_wow64( &info.ClientId )) info.TebBaseAddress = (char *)info.TebBaseAddress + teb_offset; else info.TebBaseAddress = NULL; } #endif 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->access = THREAD_QUERY_INFORMATION; 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; int unix_pid, unix_tid; 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; unix_pid = reply->unix_pid; unix_tid = reply->unix_tid; } } SERVER_END_REQ; if (status == STATUS_SUCCESS) { BOOL ret = FALSE; kusrt.KernelTime.QuadPart = kusrt.UserTime.QuadPart = 0; if (unix_pid != -1 && unix_tid != -1) ret = get_thread_times( unix_pid, unix_tid, &kusrt.KernelTime, &kusrt.UserTime ); if (!ret && handle == GetCurrentThread()) { /* fall back to process times */ 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; } if (data) memcpy( data, &kusrt, min( length, sizeof(kusrt) )); if (ret_len) *ret_len = min( length, sizeof(kusrt) ); } return status; } case ThreadDescriptorTableEntry: return get_thread_ldt_entry( handle, data, length, ret_len ); case ThreadAmILastThread: { if (length != sizeof(ULONG)) return STATUS_INFO_LENGTH_MISMATCH; SERVER_START_REQ( get_thread_info ) { req->handle = wine_server_obj_handle( handle ); status = wine_server_call( req ); if (status == STATUS_SUCCESS) { ULONG last = reply->last; if (data) memcpy( data, &last, sizeof(last) ); if (ret_len) *ret_len = sizeof(last); } } SERVER_END_REQ; return status; } case ThreadQuerySetWin32StartAddress: { SERVER_START_REQ( get_thread_info ) { req->handle = wine_server_obj_handle( handle ); req->access = THREAD_QUERY_INFORMATION; 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 ); 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: 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 ); if (!(status = wine_server_call( req ))) *(ULONG *)data = reply->suspend_count; } SERVER_END_REQ; 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 ThreadWow64Context: { #ifdef __x86_64__ BOOL self; WOW64_CONTEXT *context = data; context_t server_context; unsigned int server_flags; if (length != sizeof(*context)) return STATUS_INFO_LENGTH_MISMATCH; server_flags = wow64_get_server_context_flags( context->ContextFlags ); if ((status = get_thread_context( handle, &server_context, server_flags, &self ))) return status; if (self) return STATUS_INVALID_PARAMETER; status = wow64_context_from_server( context, &server_context ); if (ret_len && !status) *ret_len = sizeof(*context); return status; #else return STATUS_INVALID_INFO_CLASS; #endif } case ThreadHideFromDebugger: if (length != sizeof(BOOLEAN)) 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->access = THREAD_QUERY_INFORMATION; if ((status = wine_server_call( req ))) return status; *(BOOLEAN*)data = reply->dbg_hidden; } SERVER_END_REQ; if (ret_len) *ret_len = sizeof(BOOLEAN); return STATUS_SUCCESS; case ThreadEnableAlignmentFaultFixup: return STATUS_INVALID_INFO_CLASS; case ThreadPriority: case ThreadBasePriority: case ThreadImpersonationToken: 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.@) */ NTSTATUS WINAPI NtSetInformationThread( HANDLE handle, THREADINFOCLASS class, const void *data, ULONG length ) { NTSTATUS status; TRACE("(%p,%d,%p,%x)\n", handle, class, data, length); switch (class) { case ThreadZeroTlsCell: if (handle == GetCurrentThread()) { if (length != sizeof(DWORD)) return STATUS_INVALID_PARAMETER; return virtual_clear_tls_index( *(const ULONG *)data ); } FIXME( "ZeroTlsCell not supported on other threads\n" ); return STATUS_NOT_IMPLEMENTED; case ThreadImpersonationToken: { const HANDLE *token = data; if (length != sizeof(HANDLE)) return STATUS_INVALID_PARAMETER; TRACE("Setting ThreadImpersonationToken handle to %p\n", *token ); SERVER_START_REQ( set_thread_info ) { req->handle = wine_server_obj_handle( handle ); req->token = wine_server_obj_handle( *token ); 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: if (length) return STATUS_INFO_LENGTH_MISMATCH; SERVER_START_REQ( set_thread_info ) { req->handle = wine_server_obj_handle( handle ); req->mask = SET_THREAD_INFO_DBG_HIDDEN; status = wine_server_call( req ); } SERVER_END_REQ; return status; 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 ThreadWow64Context: { #ifdef __x86_64__ BOOL self; const WOW64_CONTEXT *context = data; context_t server_context; if (length != sizeof(*context)) return STATUS_INFO_LENGTH_MISMATCH; wow64_context_to_server( &server_context, context ); return set_thread_context( handle, &server_context, &self ); #else return STATUS_INVALID_INFO_CLASS; #endif } case ThreadEnableAlignmentFaultFixup: if (length != sizeof(BOOLEAN)) return STATUS_INFO_LENGTH_MISMATCH; if (!data) return STATUS_ACCESS_VIOLATION; FIXME( "ThreadEnableAlignmentFaultFixup stub!\n" ); return STATUS_SUCCESS; case ThreadBasicInformation: case ThreadTimes: case ThreadPriority: case ThreadDescriptorTableEntry: 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.@) */ 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; if (!NtQueryInformationThread( GetCurrentThread(), ThreadAffinityMask, &thread_mask, sizeof(thread_mask), NULL )) { 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; } /****************************************************************************** * NtGetNextThread (NTDLL.@) */ NTSTATUS WINAPI NtGetNextThread( HANDLE process, HANDLE thread, ACCESS_MASK access, ULONG attributes, ULONG flags, HANDLE *handle ) { HANDLE ret_handle = 0; NTSTATUS ret; TRACE( "process %p, thread %p, access %#x, attributes %#x, flags %#x, handle %p.\n", process, thread, access, attributes, flags, handle ); SERVER_START_REQ( get_next_thread ) { req->process = wine_server_obj_handle( process ); req->last = wine_server_obj_handle( thread ); req->access = access; req->attributes = attributes; req->flags = flags; if (!(ret = wine_server_call( req ))) ret_handle = wine_server_ptr_handle( reply->handle ); } SERVER_END_REQ; *handle = ret_handle; return ret; }