270 lines
8.6 KiB
C
270 lines
8.6 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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#include <assert.h>
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#include <stdarg.h>
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#include <limits.h>
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#include <sys/types.h>
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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 "wine/server.h"
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#include "wine/debug.h"
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#include "ntdll_misc.h"
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#include "ddk/wdm.h"
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#include "wine/exception.h"
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WINE_DECLARE_DEBUG_CHANNEL(relay);
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struct _KUSER_SHARED_DATA *user_shared_data = (void *)0x7ffe0000;
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/***********************************************************************
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* __wine_dbg_get_channel_flags (NTDLL.@)
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*
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* Get the flags to use for a given channel, possibly setting them too in case of lazy init
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*/
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unsigned char __cdecl __wine_dbg_get_channel_flags( struct __wine_debug_channel *channel )
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{
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return unix_funcs->dbg_get_channel_flags( channel );
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}
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/***********************************************************************
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* __wine_dbg_strdup (NTDLL.@)
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*/
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const char * __cdecl __wine_dbg_strdup( const char *str )
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{
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return unix_funcs->dbg_strdup( str );
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}
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/***********************************************************************
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* __wine_dbg_header (NTDLL.@)
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*/
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int __cdecl __wine_dbg_header( enum __wine_debug_class cls, struct __wine_debug_channel *channel,
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const char *function )
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{
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return unix_funcs->dbg_header( cls, channel, function );
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}
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/***********************************************************************
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* __wine_dbg_output (NTDLL.@)
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*/
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int __cdecl __wine_dbg_output( const char *str )
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{
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return unix_funcs->dbg_output( str );
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}
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/***********************************************************************
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* RtlExitUserThread (NTDLL.@)
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*/
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void WINAPI RtlExitUserThread( ULONG status )
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{
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ULONG last;
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if (status) /* send the exit code to the server (0 is already the default) */
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{
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SERVER_START_REQ( terminate_thread )
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{
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req->handle = wine_server_obj_handle( GetCurrentThread() );
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req->exit_code = status;
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wine_server_call( req );
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}
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SERVER_END_REQ;
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}
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NtQueryInformationThread( GetCurrentThread(), ThreadAmILastThread, &last, sizeof(last), NULL );
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if (last)
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{
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LdrShutdownProcess();
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unix_funcs->exit_process( status );
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}
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LdrShutdownThread();
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RtlFreeThreadActivationContextStack();
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for (;;) unix_funcs->exit_thread( status );
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}
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/***********************************************************************
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* RtlUserThreadStart (NTDLL.@)
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*/
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#ifdef __i386__
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__ASM_STDCALL_FUNC( RtlUserThreadStart, 8,
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"pushl %ebp\n\t"
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__ASM_CFI(".cfi_adjust_cfa_offset 4\n\t")
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__ASM_CFI(".cfi_rel_offset %ebp,0\n\t")
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"movl %esp,%ebp\n\t"
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__ASM_CFI(".cfi_def_cfa_register %ebp\n\t")
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"pushl %ebx\n\t" /* arg */
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"pushl %eax\n\t" /* entry */
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"call " __ASM_NAME("call_thread_func") )
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/* wrapper for apps that don't declare the thread function correctly */
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extern DWORD call_thread_func_wrapper( PRTL_THREAD_START_ROUTINE entry, void *arg );
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__ASM_GLOBAL_FUNC(call_thread_func_wrapper,
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"pushl %ebp\n\t"
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__ASM_CFI(".cfi_adjust_cfa_offset 4\n\t")
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__ASM_CFI(".cfi_rel_offset %ebp,0\n\t")
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"movl %esp,%ebp\n\t"
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__ASM_CFI(".cfi_def_cfa_register %ebp\n\t")
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"subl $4,%esp\n\t"
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"pushl 12(%ebp)\n\t"
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"call *8(%ebp)\n\t"
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"leave\n\t"
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__ASM_CFI(".cfi_def_cfa %esp,4\n\t")
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__ASM_CFI(".cfi_same_value %ebp\n\t")
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"ret" )
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void DECLSPEC_HIDDEN call_thread_func( PRTL_THREAD_START_ROUTINE entry, void *arg )
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{
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__TRY
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{
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TRACE_(relay)( "\1Starting thread proc %p (arg=%p)\n", entry, arg );
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RtlExitUserThread( call_thread_func_wrapper( entry, arg ));
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}
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__EXCEPT(call_unhandled_exception_filter)
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{
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NtTerminateThread( GetCurrentThread(), GetExceptionCode() );
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}
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__ENDTRY
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}
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#else /* __i386__ */
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void WINAPI RtlUserThreadStart( PRTL_THREAD_START_ROUTINE entry, void *arg )
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{
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__TRY
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{
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TRACE_(relay)( "\1Starting thread proc %p (arg=%p)\n", entry, arg );
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RtlExitUserThread( ((LPTHREAD_START_ROUTINE)entry)( arg ));
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}
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__EXCEPT(call_unhandled_exception_filter)
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{
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NtTerminateThread( GetCurrentThread(), GetExceptionCode() );
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}
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__ENDTRY
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}
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#endif /* __i386__ */
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/***********************************************************************
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* RtlCreateUserThread (NTDLL.@)
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*/
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NTSTATUS WINAPI RtlCreateUserThread( HANDLE process, SECURITY_DESCRIPTOR *descr,
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BOOLEAN suspended, PVOID stack_addr,
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SIZE_T stack_reserve, SIZE_T stack_commit,
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PRTL_THREAD_START_ROUTINE start, void *param,
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HANDLE *handle_ptr, CLIENT_ID *id )
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{
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ULONG flags = suspended ? THREAD_CREATE_FLAGS_CREATE_SUSPENDED : 0;
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ULONG_PTR buffer[offsetof( PS_ATTRIBUTE_LIST, Attributes[2] ) / sizeof(ULONG_PTR)];
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PS_ATTRIBUTE_LIST *attr_list = (PS_ATTRIBUTE_LIST *)buffer;
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HANDLE handle, actctx;
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TEB *teb;
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ULONG ret;
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NTSTATUS status;
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CLIENT_ID client_id;
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OBJECT_ATTRIBUTES attr;
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attr_list->TotalLength = sizeof(buffer);
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attr_list->Attributes[0].Attribute = PS_ATTRIBUTE_CLIENT_ID;
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attr_list->Attributes[0].Size = sizeof(client_id);
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attr_list->Attributes[0].ValuePtr = &client_id;
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attr_list->Attributes[0].ReturnLength = NULL;
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attr_list->Attributes[1].Attribute = PS_ATTRIBUTE_TEB_ADDRESS;
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attr_list->Attributes[1].Size = sizeof(teb);
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attr_list->Attributes[1].ValuePtr = &teb;
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attr_list->Attributes[1].ReturnLength = NULL;
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InitializeObjectAttributes( &attr, NULL, 0, NULL, descr );
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RtlGetActiveActivationContext( &actctx );
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if (actctx) flags |= THREAD_CREATE_FLAGS_CREATE_SUSPENDED;
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status = NtCreateThreadEx( &handle, THREAD_ALL_ACCESS, &attr, process, start, param,
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flags, 0, stack_commit, stack_reserve, attr_list );
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if (!status)
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{
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if (actctx)
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{
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ULONG_PTR cookie;
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RtlActivateActivationContextEx( 0, teb, actctx, &cookie );
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if (!suspended) NtResumeThread( handle, &ret );
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}
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if (id) *id = client_id;
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if (handle_ptr) *handle_ptr = handle;
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else NtClose( handle );
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}
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if (actctx) RtlReleaseActivationContext( actctx );
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return status;
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}
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/******************************************************************************
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* RtlGetNtGlobalFlags (NTDLL.@)
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*/
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ULONG WINAPI RtlGetNtGlobalFlags(void)
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{
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return NtCurrentTeb()->Peb->NtGlobalFlag;
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}
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/******************************************************************************
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* RtlPushFrame (NTDLL.@)
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*/
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void WINAPI RtlPushFrame( TEB_ACTIVE_FRAME *frame )
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{
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frame->Previous = NtCurrentTeb()->ActiveFrame;
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NtCurrentTeb()->ActiveFrame = frame;
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}
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/******************************************************************************
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* RtlPopFrame (NTDLL.@)
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*/
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void WINAPI RtlPopFrame( TEB_ACTIVE_FRAME *frame )
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{
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NtCurrentTeb()->ActiveFrame = frame->Previous;
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}
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/******************************************************************************
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* RtlGetFrame (NTDLL.@)
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*/
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TEB_ACTIVE_FRAME * WINAPI RtlGetFrame(void)
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{
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return NtCurrentTeb()->ActiveFrame;
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}
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/***********************************************************************
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* NtGetContextThread (NTDLL.@)
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* ZwGetContextThread (NTDLL.@)
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*/
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#ifndef __i386__
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NTSTATUS WINAPI NtGetContextThread( HANDLE handle, CONTEXT *context )
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{
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return unix_funcs->NtGetContextThread( handle, context );
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}
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#endif
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