示例#1
0
文件: thread.c 项目: bilboed/wine
/***********************************************************************
 *              RtlCreateUserThread   (NTDLL.@)
 */
NTSTATUS WINAPI RtlCreateUserThread( HANDLE process, const SECURITY_DESCRIPTOR *descr,
                                     BOOLEAN suspended, PVOID stack_addr,
                                     SIZE_T stack_reserve, SIZE_T stack_commit,
                                     PRTL_THREAD_START_ROUTINE start, void *param,
                                     HANDLE *handle_ptr, CLIENT_ID *id )
{
    sigset_t sigset;
    pthread_t pthread_id;
    pthread_attr_t attr;
    struct ntdll_thread_data *thread_data;
    struct startup_info *info = NULL;
    HANDLE handle = 0;
    TEB *teb = NULL;
    DWORD tid = 0;
    int request_pipe[2];
    NTSTATUS status;

    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.func    = wine_server_client_ptr( start );
        call.create_thread.arg     = wine_server_client_ptr( param );
        call.create_thread.reserve = stack_reserve;
        call.create_thread.commit  = stack_commit;
        call.create_thread.suspend = suspended;
        status = NTDLL_queue_process_apc( process, &call, &result );
        if (status != STATUS_SUCCESS) return status;

        if (result.create_thread.status == STATUS_SUCCESS)
        {
            if (id) id->UniqueThread = ULongToHandle(result.create_thread.tid);
            if (handle_ptr) *handle_ptr = wine_server_ptr_handle( result.create_thread.handle );
            else NtClose( wine_server_ptr_handle( result.create_thread.handle ));
        }
        return result.create_thread.status;
    }

    if (server_pipe( request_pipe ) == -1) return STATUS_TOO_MANY_OPENED_FILES;
    wine_server_send_fd( request_pipe[0] );

    SERVER_START_REQ( new_thread )
    {
        req->access     = THREAD_ALL_ACCESS;
        req->attributes = 0;  /* FIXME */
        req->suspend    = suspended;
        req->request_fd = request_pipe[0];
        if (!(status = wine_server_call( req )))
        {
            handle = wine_server_ptr_handle( reply->handle );
            tid = reply->tid;
        }
        close( request_pipe[0] );
    }
    SERVER_END_REQ;

    if (status)
    {
        close( request_pipe[1] );
        return status;
    }

    pthread_sigmask( SIG_BLOCK, &server_block_set, &sigset );

    if ((status = signal_alloc_thread( &teb ))) goto error;

    teb->Peb = NtCurrentTeb()->Peb;
    teb->ClientId.UniqueProcess = ULongToHandle(GetCurrentProcessId());
    teb->ClientId.UniqueThread  = ULongToHandle(tid);
    teb->StaticUnicodeString.Buffer        = teb->StaticUnicodeBuffer;
    teb->StaticUnicodeString.MaximumLength = sizeof(teb->StaticUnicodeBuffer);

    info = (struct startup_info *)(teb + 1);
    info->teb         = teb;
    info->entry_point = start;
    info->entry_arg   = param;

    thread_data = (struct ntdll_thread_data *)teb->SpareBytes1;
    thread_data->request_fd  = request_pipe[1];
    thread_data->reply_fd    = -1;
    thread_data->wait_fd[0]  = -1;
    thread_data->wait_fd[1]  = -1;

    if ((status = virtual_alloc_thread_stack( teb, stack_reserve, stack_commit ))) goto error;

    pthread_attr_init( &attr );
    pthread_attr_setstack( &attr, teb->DeallocationStack,
                           (char *)teb->Tib.StackBase - (char *)teb->DeallocationStack );
    pthread_attr_setscope( &attr, PTHREAD_SCOPE_SYSTEM ); /* force creating a kernel thread */
    interlocked_xchg_add( &nb_threads, 1 );
    if (pthread_create( &pthread_id, &attr, (void * (*)(void *))start_thread, info ))
    {
        interlocked_xchg_add( &nb_threads, -1 );
        pthread_attr_destroy( &attr );
        status = STATUS_NO_MEMORY;
        goto error;
    }
    pthread_attr_destroy( &attr );
    pthread_sigmask( SIG_SETMASK, &sigset, NULL );

    if (id) id->UniqueThread = ULongToHandle(tid);
    if (handle_ptr) *handle_ptr = handle;
    else NtClose( handle );

    return STATUS_SUCCESS;

error:
    if (teb) signal_free_thread( teb );
    if (handle) NtClose( handle );
    pthread_sigmask( SIG_SETMASK, &sigset, NULL );
    close( request_pipe[1] );
    return status;
}
示例#2
0
文件: server.c 项目: miurahr/wine
/***********************************************************************
 *           server_init_thread
 *
 * Send an init thread request. Return 0 if OK.
 */
size_t server_init_thread( void *entry_point )
{
    static const int is_win64 = (sizeof(void *) > sizeof(int));
    const char *arch = getenv( "WINEARCH" );
    int ret;
    int reply_pipe[2];
    struct sigaction sig_act;
    size_t info_size;

    sig_act.sa_handler = SIG_IGN;
    sig_act.sa_flags   = 0;
    sigemptyset( &sig_act.sa_mask );

    /* ignore SIGPIPE so that we get an EPIPE error instead  */
    sigaction( SIGPIPE, &sig_act, NULL );

    /* create the server->client communication pipes */
    if (server_pipe( reply_pipe ) == -1) server_protocol_perror( "pipe" );
    if (server_pipe( ntdll_get_thread_data()->wait_fd ) == -1) server_protocol_perror( "pipe" );
    wine_server_send_fd( reply_pipe[1] );
    wine_server_send_fd( ntdll_get_thread_data()->wait_fd[1] );
    ntdll_get_thread_data()->reply_fd = reply_pipe[0];
    close( reply_pipe[1] );

    SERVER_START_REQ( init_thread )
    {
        req->unix_pid    = getpid();
        req->unix_tid    = get_unix_tid();
        req->teb         = wine_server_client_ptr( NtCurrentTeb() );
        req->entry       = wine_server_client_ptr( entry_point );
        req->reply_fd    = reply_pipe[1];
        req->wait_fd     = ntdll_get_thread_data()->wait_fd[1];
        req->debug_level = (TRACE_ON(server) != 0);
        req->cpu         = client_cpu;
        ret = wine_server_call( req );
        NtCurrentTeb()->ClientId.UniqueProcess = ULongToHandle(reply->pid);
        NtCurrentTeb()->ClientId.UniqueThread  = ULongToHandle(reply->tid);
        info_size         = reply->info_size;
        server_start_time = reply->server_start;
        server_cpus       = reply->all_cpus;
    }
    SERVER_END_REQ;

    is_wow64 = !is_win64 && (server_cpus & (1 << CPU_x86_64)) != 0;
    ntdll_get_thread_data()->wow64_redir = is_wow64;

    switch (ret)
    {
    case STATUS_SUCCESS:
        if (arch)
        {
            if (!strcmp( arch, "win32" ) && (is_win64 || is_wow64))
                fatal_error( "WINEARCH set to win32 but '%s' is a 64-bit installation.\n",
                             wine_get_config_dir() );
            if (!strcmp( arch, "win64" ) && !is_win64 && !is_wow64)
                fatal_error( "WINEARCH set to win64 but '%s' is a 32-bit installation.\n",
                             wine_get_config_dir() );
        }
        return info_size;
    case STATUS_NOT_REGISTRY_FILE:
        fatal_error( "'%s' is a 32-bit installation, it cannot support 64-bit applications.\n",
                     wine_get_config_dir() );
    case STATUS_NOT_SUPPORTED:
        if (is_win64)
            fatal_error( "wineserver is 32-bit, it cannot support 64-bit applications.\n" );
        else
            fatal_error( "'%s' is a 64-bit installation, it cannot be used with a 32-bit wineserver.\n",
                         wine_get_config_dir() );
    default:
        server_protocol_error( "init_thread failed with status %x\n", ret );
    }
}