1303 lines
42 KiB
C
1303 lines
42 KiB
C
/*
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* NT threads support
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*
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* Copyright 1996, 2003 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#if 0
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#pragma makedep unix
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#endif
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#include "config.h"
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#include "wine/port.h"
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#include <assert.h>
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#include <errno.h>
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#include <limits.h>
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#include <stdarg.h>
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#include <pthread.h>
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#include <signal.h>
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#include <sys/types.h>
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#ifdef HAVE_SYS_MMAN_H
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#include <sys/mman.h>
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#endif
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#ifdef HAVE_SYS_TIMES_H
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#include <sys/times.h>
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#endif
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#ifdef HAVE_SYS_SYSCALL_H
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#include <sys/syscall.h>
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#endif
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#define NONAMELESSUNION
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "winternl.h"
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#include "ddk/wdm.h"
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#include "wine/server.h"
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#include "wine/debug.h"
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#include "wine/exception.h"
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#include "unix_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(seh);
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#ifndef PTHREAD_STACK_MIN
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#define PTHREAD_STACK_MIN 16384
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#endif
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static int *nb_threads;
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static inline int get_unix_exit_code( NTSTATUS status )
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{
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/* prevent a nonzero exit code to end up truncated to zero in unix */
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if (status && !(status & 0xff)) return 1;
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return status;
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}
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/***********************************************************************
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* pthread_exit_wrapper
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*/
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static void pthread_exit_wrapper( int status )
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{
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close( ntdll_get_thread_data()->wait_fd[0] );
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close( ntdll_get_thread_data()->wait_fd[1] );
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close( ntdll_get_thread_data()->reply_fd );
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close( ntdll_get_thread_data()->request_fd );
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pthread_exit( UIntToPtr(status) );
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}
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/***********************************************************************
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* init_threading
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*/
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TEB * CDECL init_threading( int *nb_threads_ptr, struct ldt_copy **ldt_copy, SIZE_T *size )
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{
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TEB *teb;
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BOOL suspend;
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SIZE_T info_size;
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#ifdef __i386__
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extern struct ldt_copy __wine_ldt_copy;
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*ldt_copy = &__wine_ldt_copy;
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#endif
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nb_threads = nb_threads_ptr;
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teb = virtual_alloc_first_teb();
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signal_init_threading();
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signal_alloc_thread( teb );
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signal_init_thread( teb );
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dbg_init();
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server_init_process();
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info_size = server_init_thread( teb->Peb, &suspend );
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virtual_map_user_shared_data();
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virtual_create_builtin_view( ntdll_module );
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init_cpu_info();
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init_files();
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NtCreateKeyedEvent( &keyed_event, GENERIC_READ | GENERIC_WRITE, NULL, 0 );
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if (size) *size = info_size;
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return teb;
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}
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/* info passed to a starting thread */
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struct startup_info
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{
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PRTL_THREAD_START_ROUTINE entry;
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void *arg;
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HANDLE actctx;
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};
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/***********************************************************************
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* start_thread
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*
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* Startup routine for a newly created thread.
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*/
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static void start_thread( TEB *teb )
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{
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struct startup_info *info = (struct startup_info *)(teb + 1);
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struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)&teb->GdiTebBatch;
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struct debug_info debug_info;
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BOOL suspend;
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ULONG_PTR cookie;
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debug_info.str_pos = debug_info.out_pos = 0;
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thread_data->debug_info = &debug_info;
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thread_data->pthread_id = pthread_self();
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signal_init_thread( teb );
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server_init_thread( info->entry, &suspend );
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if (info->actctx)
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{
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RtlActivateActivationContext( 0, info->actctx, &cookie );
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RtlReleaseActivationContext( info->actctx );
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}
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signal_start_thread( info->entry, info->arg, suspend, pRtlUserThreadStart, teb );
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}
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/***********************************************************************
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* update_attr_list
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*
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* Update the output attributes.
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*/
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static void update_attr_list( PS_ATTRIBUTE_LIST *attr, const CLIENT_ID *id )
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{
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SIZE_T i, count = (attr->TotalLength - sizeof(attr->TotalLength)) / sizeof(PS_ATTRIBUTE);
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for (i = 0; i < count; i++)
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{
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if (attr->Attributes[i].Attribute == PS_ATTRIBUTE_CLIENT_ID)
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{
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SIZE_T size = min( attr->Attributes[i].Size, sizeof(*id) );
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memcpy( attr->Attributes[i].ValuePtr, id, size );
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if (attr->Attributes[i].ReturnLength) *attr->Attributes[i].ReturnLength = size;
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}
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}
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}
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/***********************************************************************
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* NtCreateThreadEx (NTDLL.@)
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*/
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NTSTATUS WINAPI NtCreateThreadEx( HANDLE *handle, ACCESS_MASK access, OBJECT_ATTRIBUTES *attr,
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HANDLE process, PRTL_THREAD_START_ROUTINE start, void *param,
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ULONG flags, SIZE_T zero_bits, SIZE_T stack_commit,
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SIZE_T stack_reserve, PS_ATTRIBUTE_LIST *attr_list )
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{
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sigset_t sigset;
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pthread_t pthread_id;
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pthread_attr_t pthread_attr;
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data_size_t len;
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struct object_attributes *objattr;
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struct ntdll_thread_data *thread_data;
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struct startup_info *info;
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DWORD tid = 0;
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int request_pipe[2];
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SIZE_T extra_stack = PTHREAD_STACK_MIN;
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CLIENT_ID client_id;
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HANDLE actctx;
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TEB *teb;
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INITIAL_TEB stack;
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NTSTATUS status;
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if (process != NtCurrentProcess())
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{
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apc_call_t call;
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apc_result_t result;
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memset( &call, 0, sizeof(call) );
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call.create_thread.type = APC_CREATE_THREAD;
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call.create_thread.flags = flags;
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call.create_thread.func = wine_server_client_ptr( start );
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call.create_thread.arg = wine_server_client_ptr( param );
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call.create_thread.reserve = stack_reserve;
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call.create_thread.commit = stack_commit;
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status = server_queue_process_apc( process, &call, &result );
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if (status != STATUS_SUCCESS) return status;
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if (result.create_thread.status == STATUS_SUCCESS)
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{
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*handle = wine_server_ptr_handle( result.create_thread.handle );
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client_id.UniqueProcess = ULongToHandle( result.create_thread.pid );
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client_id.UniqueThread = ULongToHandle( result.create_thread.tid );
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if (attr_list) update_attr_list( attr_list, &client_id );
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}
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return result.create_thread.status;
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}
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if ((status = alloc_object_attributes( attr, &objattr, &len ))) return status;
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if (server_pipe( request_pipe ) == -1)
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{
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RtlFreeHeap( GetProcessHeap(), 0, objattr );
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return STATUS_TOO_MANY_OPENED_FILES;
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}
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server_send_fd( request_pipe[0] );
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if (!access) access = THREAD_ALL_ACCESS;
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SERVER_START_REQ( new_thread )
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{
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req->process = wine_server_obj_handle( process );
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req->access = access;
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req->suspend = flags & THREAD_CREATE_FLAGS_CREATE_SUSPENDED;
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req->request_fd = request_pipe[0];
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wine_server_add_data( req, objattr, len );
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if (!(status = wine_server_call( req )))
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{
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*handle = wine_server_ptr_handle( reply->handle );
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tid = reply->tid;
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}
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close( request_pipe[0] );
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}
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SERVER_END_REQ;
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RtlFreeHeap( GetProcessHeap(), 0, objattr );
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if (status)
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{
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close( request_pipe[1] );
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return status;
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}
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RtlGetActiveActivationContext( &actctx );
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pthread_sigmask( SIG_BLOCK, &server_block_set, &sigset );
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if ((status = virtual_alloc_teb( &teb ))) goto done;
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if ((status = virtual_alloc_thread_stack( &stack, stack_reserve, stack_commit, &extra_stack )))
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{
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virtual_free_teb( teb );
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goto done;
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}
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client_id.UniqueProcess = ULongToHandle( GetCurrentProcessId() );
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client_id.UniqueThread = ULongToHandle( tid );
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teb->ClientId = client_id;
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info = (struct startup_info *)(teb + 1);
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info->entry = start;
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info->arg = param;
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info->actctx = actctx;
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teb->Tib.StackBase = stack.StackBase;
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teb->Tib.StackLimit = stack.StackLimit;
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teb->DeallocationStack = stack.DeallocationStack;
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thread_data = (struct ntdll_thread_data *)&teb->GdiTebBatch;
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thread_data->request_fd = request_pipe[1];
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thread_data->start_stack = (char *)teb->Tib.StackBase;
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pthread_attr_init( &pthread_attr );
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pthread_attr_setstack( &pthread_attr, teb->DeallocationStack,
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(char *)teb->Tib.StackBase + extra_stack - (char *)teb->DeallocationStack );
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pthread_attr_setguardsize( &pthread_attr, 0 );
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pthread_attr_setscope( &pthread_attr, PTHREAD_SCOPE_SYSTEM ); /* force creating a kernel thread */
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InterlockedIncrement( nb_threads );
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if (pthread_create( &pthread_id, &pthread_attr, (void * (*)(void *))start_thread, teb ))
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{
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InterlockedDecrement( nb_threads );
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virtual_free_teb( teb );
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status = STATUS_NO_MEMORY;
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}
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pthread_attr_destroy( &pthread_attr );
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done:
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pthread_sigmask( SIG_SETMASK, &sigset, NULL );
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if (status)
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{
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NtClose( *handle );
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RtlReleaseActivationContext( actctx );
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close( request_pipe[1] );
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return status;
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}
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if (attr_list) update_attr_list( attr_list, &client_id );
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return STATUS_SUCCESS;
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}
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/***********************************************************************
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* abort_thread
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*/
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void abort_thread( int status )
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{
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pthread_sigmask( SIG_BLOCK, &server_block_set, NULL );
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if (InterlockedDecrement( nb_threads ) <= 0) abort_process( status );
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signal_exit_thread( status, pthread_exit_wrapper );
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}
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/***********************************************************************
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* abort_process
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*/
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void abort_process( int status )
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{
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_exit( get_unix_exit_code( status ));
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}
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/***********************************************************************
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* exit_thread
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*/
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void CDECL exit_thread( int status )
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{
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static void *prev_teb;
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TEB *teb;
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pthread_sigmask( SIG_BLOCK, &server_block_set, NULL );
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if ((teb = InterlockedExchangePointer( &prev_teb, NtCurrentTeb() )))
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{
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struct ntdll_thread_data *thread_data = (struct ntdll_thread_data *)&teb->GdiTebBatch;
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if (thread_data->pthread_id)
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{
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pthread_join( thread_data->pthread_id, NULL );
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virtual_free_teb( teb );
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}
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}
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signal_exit_thread( status, pthread_exit_wrapper );
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}
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/***********************************************************************
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* exit_process
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*/
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void CDECL exit_process( int status )
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{
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pthread_sigmask( SIG_BLOCK, &server_block_set, NULL );
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signal_exit_thread( get_unix_exit_code( status ), exit );
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}
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|
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/**********************************************************************
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* wait_suspend
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*
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* Wait until the thread is no longer suspended.
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*/
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void wait_suspend( CONTEXT *context )
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{
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int saved_errno = errno;
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/* wait with 0 timeout, will only return once the thread is no longer suspended */
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server_select( NULL, 0, SELECT_INTERRUPTIBLE, 0, context, NULL, NULL );
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errno = saved_errno;
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}
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|
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/**********************************************************************
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* send_debug_event
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*
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* Send an EXCEPTION_DEBUG_EVENT event to the debugger.
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*/
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NTSTATUS send_debug_event( EXCEPTION_RECORD *rec, CONTEXT *context, BOOL first_chance )
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{
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NTSTATUS ret;
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DWORD i;
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obj_handle_t handle = 0;
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client_ptr_t params[EXCEPTION_MAXIMUM_PARAMETERS];
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CONTEXT exception_context = *context;
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select_op_t select_op;
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sigset_t old_set;
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if (!NtCurrentTeb()->Peb->BeingDebugged) return 0; /* no debugger present */
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pthread_sigmask( SIG_BLOCK, &server_block_set, &old_set );
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for (i = 0; i < min( rec->NumberParameters, EXCEPTION_MAXIMUM_PARAMETERS ); i++)
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params[i] = rec->ExceptionInformation[i];
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SERVER_START_REQ( queue_exception_event )
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{
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req->first = first_chance;
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req->code = rec->ExceptionCode;
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req->flags = rec->ExceptionFlags;
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req->record = wine_server_client_ptr( rec->ExceptionRecord );
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req->address = wine_server_client_ptr( rec->ExceptionAddress );
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req->len = i * sizeof(params[0]);
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wine_server_add_data( req, params, req->len );
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if (!(ret = wine_server_call( req ))) handle = reply->handle;
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}
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SERVER_END_REQ;
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|
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if (handle)
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{
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select_op.wait.op = SELECT_WAIT;
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select_op.wait.handles[0] = handle;
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server_select( &select_op, offsetof( select_op_t, wait.handles[1] ), SELECT_INTERRUPTIBLE,
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TIMEOUT_INFINITE, &exception_context, NULL, NULL );
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|
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SERVER_START_REQ( get_exception_status )
|
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{
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req->handle = handle;
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ret = wine_server_call( req );
|
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}
|
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SERVER_END_REQ;
|
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if (ret >= 0) *context = exception_context;
|
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}
|
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|
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pthread_sigmask( SIG_SETMASK, &old_set, NULL );
|
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return ret;
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
* NtRaiseException (NTDLL.@)
|
|
*/
|
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NTSTATUS WINAPI NtRaiseException( EXCEPTION_RECORD *rec, CONTEXT *context, BOOL first_chance )
|
|
{
|
|
NTSTATUS status = send_debug_event( rec, context, first_chance );
|
|
|
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if (status == DBG_CONTINUE || status == DBG_EXCEPTION_HANDLED)
|
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NtSetContextThread( GetCurrentThread(), context );
|
|
|
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if (first_chance) pKiUserExceptionDispatcher( rec, context );
|
|
|
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if (rec->ExceptionFlags & EH_STACK_INVALID)
|
|
ERR("Exception frame is not in stack limits => unable to dispatch exception.\n");
|
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else if (rec->ExceptionCode == STATUS_NONCONTINUABLE_EXCEPTION)
|
|
ERR("Process attempted to continue execution after noncontinuable exception.\n");
|
|
else
|
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ERR("Unhandled exception code %x flags %x addr %p\n",
|
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rec->ExceptionCode, rec->ExceptionFlags, rec->ExceptionAddress );
|
|
|
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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) abort_thread( exit_code );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* NtContinue (NTDLL.@)
|
|
*/
|
|
NTSTATUS WINAPI NtContinue( CONTEXT *context, BOOLEAN alertable )
|
|
{
|
|
static const LARGE_INTEGER zero_timeout;
|
|
|
|
if (alertable) server_wait( NULL, 0, SELECT_INTERRUPTIBLE | SELECT_ALERTABLE, &zero_timeout );
|
|
return NtSetContextThread( GetCurrentThread(), context );
|
|
}
|
|
|
|
|
|
/******************************************************************************
|
|
* 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)
|
|
{
|
|
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;
|
|
}
|
|
|
|
|
|
#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->cpu != CPU_x86) return STATUS_INVALID_PARAMETER;
|
|
|
|
to->ContextFlags = WOW64_CONTEXT_i386;
|
|
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) );
|
|
}
|
|
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->cpu = CPU_x86;
|
|
|
|
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) );
|
|
}
|
|
}
|
|
|
|
#endif /* __x86_64__ */
|
|
|
|
|
|
/******************************************************************************
|
|
* 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 );
|
|
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 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:
|
|
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 ))) *(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;
|
|
if (handle != GetCurrentThread()) return STATUS_ACCESS_DENIED;
|
|
*(BOOLEAN*)data = TRUE;
|
|
if (ret_len) *ret_len = sizeof(BOOLEAN);
|
|
return STATUS_SUCCESS;
|
|
|
|
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.@)
|
|
*/
|
|
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;
|
|
if (handle != GetCurrentThread()) return STATUS_INVALID_HANDLE;
|
|
/* 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 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 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.@)
|
|
*/
|
|
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;
|
|
}
|