4 * Copyright 1996, 2003 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 #include "wine/port.h"
25 #include <sys/types.h>
26 #ifdef HAVE_SYS_MMAN_H
29 #ifdef HAVE_SYS_TIMES_H
30 #include <sys/times.h>
33 #define NONAMELESSUNION
35 #define WIN32_NO_STATUS
38 #include "wine/library.h"
39 #include "wine/server.h"
40 #include "wine/pthread.h"
41 #include "wine/debug.h"
42 #include "ntdll_misc.h"
44 #include "wine/exception.h"
46 WINE_DEFAULT_DEBUG_CHANNEL(thread
);
47 WINE_DECLARE_DEBUG_CHANNEL(relay
);
49 struct _KUSER_SHARED_DATA
*user_shared_data
= NULL
;
51 /* info passed to a starting thread */
54 struct wine_pthread_thread_info pthread_info
;
55 PRTL_THREAD_START_ROUTINE entry_point
;
59 static PEB_LDR_DATA ldr
;
60 static RTL_USER_PROCESS_PARAMETERS params
; /* default parameters if no parent */
61 static WCHAR current_dir
[MAX_NT_PATH_LENGTH
];
62 static RTL_BITMAP tls_bitmap
;
63 static RTL_BITMAP tls_expansion_bitmap
;
64 static LIST_ENTRY tls_links
;
65 static size_t sigstack_total_size
;
66 static ULONG sigstack_zero_bits
;
68 struct wine_pthread_functions pthread_functions
= { NULL
};
71 static RTL_CRITICAL_SECTION ldt_section
;
72 static RTL_CRITICAL_SECTION_DEBUG critsect_debug
=
75 { &critsect_debug
.ProcessLocksList
, &critsect_debug
.ProcessLocksList
},
76 0, 0, { (DWORD_PTR
)(__FILE__
": ldt_section") }
78 static RTL_CRITICAL_SECTION ldt_section
= { &critsect_debug
, -1, 0, 0, 0, 0 };
79 static sigset_t ldt_sigset
;
81 /***********************************************************************
82 * locking for LDT routines
84 static void ldt_lock(void)
88 pthread_functions
.sigprocmask( SIG_BLOCK
, &server_block_set
, &sigset
);
89 RtlEnterCriticalSection( &ldt_section
);
90 if (ldt_section
.RecursionCount
== 1) ldt_sigset
= sigset
;
93 static void ldt_unlock(void)
95 if (ldt_section
.RecursionCount
== 1)
97 sigset_t sigset
= ldt_sigset
;
98 RtlLeaveCriticalSection( &ldt_section
);
99 pthread_functions
.sigprocmask( SIG_SETMASK
, &sigset
, NULL
);
101 else RtlLeaveCriticalSection( &ldt_section
);
105 /***********************************************************************
108 static inline NTSTATUS
init_teb( TEB
*teb
)
110 struct ntdll_thread_data
*thread_data
= (struct ntdll_thread_data
*)teb
->SystemReserved2
;
112 teb
->Tib
.ExceptionList
= (void *)~0UL;
113 teb
->Tib
.StackBase
= (void *)~0UL;
114 teb
->Tib
.Self
= &teb
->Tib
;
115 teb
->StaticUnicodeString
.Buffer
= teb
->StaticUnicodeBuffer
;
116 teb
->StaticUnicodeString
.MaximumLength
= sizeof(teb
->StaticUnicodeBuffer
);
118 if (!(thread_data
->fs
= wine_ldt_alloc_fs())) return STATUS_TOO_MANY_THREADS
;
119 thread_data
->request_fd
= -1;
120 thread_data
->reply_fd
= -1;
121 thread_data
->wait_fd
[0] = -1;
122 thread_data
->wait_fd
[1] = -1;
124 return STATUS_SUCCESS
;
128 /***********************************************************************
131 * Make sure the unicode string doesn't point beyond the end pointer
133 static inline void fix_unicode_string( UNICODE_STRING
*str
, const char *end_ptr
)
135 if ((char *)str
->Buffer
>= end_ptr
)
137 str
->Length
= str
->MaximumLength
= 0;
141 if ((char *)str
->Buffer
+ str
->MaximumLength
> end_ptr
)
143 str
->MaximumLength
= (end_ptr
- (char *)str
->Buffer
) & ~(sizeof(WCHAR
) - 1);
145 if (str
->Length
>= str
->MaximumLength
)
147 if (str
->MaximumLength
>= sizeof(WCHAR
))
148 str
->Length
= str
->MaximumLength
- sizeof(WCHAR
);
150 str
->Length
= str
->MaximumLength
= 0;
155 /***********************************************************************
156 * init_user_process_params
158 * Fill the RTL_USER_PROCESS_PARAMETERS structure from the server.
160 static NTSTATUS
init_user_process_params( SIZE_T info_size
, HANDLE
*exe_file
)
165 RTL_USER_PROCESS_PARAMETERS
*params
= NULL
;
167 status
= NtAllocateVirtualMemory( NtCurrentProcess(), (void **)¶ms
, 0, &info_size
,
168 MEM_COMMIT
, PAGE_READWRITE
);
169 if (status
!= STATUS_SUCCESS
) return status
;
171 params
->AllocationSize
= info_size
;
172 NtCurrentTeb()->Peb
->ProcessParameters
= params
;
174 SERVER_START_REQ( get_startup_info
)
176 wine_server_set_reply( req
, params
, info_size
);
177 if (!(status
= wine_server_call( req
)))
179 info_size
= wine_server_reply_size( reply
);
180 *exe_file
= reply
->exe_file
;
181 params
->hStdInput
= reply
->hstdin
;
182 params
->hStdOutput
= reply
->hstdout
;
183 params
->hStdError
= reply
->hstderr
;
187 if (status
!= STATUS_SUCCESS
) return status
;
189 if (params
->Size
> info_size
) params
->Size
= info_size
;
191 /* make sure the strings are valid */
192 fix_unicode_string( ¶ms
->CurrentDirectory
.DosPath
, (char *)info_size
);
193 fix_unicode_string( ¶ms
->DllPath
, (char *)info_size
);
194 fix_unicode_string( ¶ms
->ImagePathName
, (char *)info_size
);
195 fix_unicode_string( ¶ms
->CommandLine
, (char *)info_size
);
196 fix_unicode_string( ¶ms
->WindowTitle
, (char *)info_size
);
197 fix_unicode_string( ¶ms
->Desktop
, (char *)info_size
);
198 fix_unicode_string( ¶ms
->ShellInfo
, (char *)info_size
);
199 fix_unicode_string( ¶ms
->RuntimeInfo
, (char *)info_size
);
201 /* environment needs to be a separate memory block */
202 env_size
= info_size
- params
->Size
;
203 if (!env_size
) env_size
= 1;
205 status
= NtAllocateVirtualMemory( NtCurrentProcess(), &ptr
, 0, &env_size
,
206 MEM_COMMIT
, PAGE_READWRITE
);
207 if (status
!= STATUS_SUCCESS
) return status
;
208 memcpy( ptr
, (char *)params
+ params
->Size
, info_size
- params
->Size
);
209 params
->Environment
= ptr
;
211 RtlNormalizeProcessParams( params
);
216 /***********************************************************************
219 * Setup the initial thread.
221 * NOTES: The first allocated TEB on NT is at 0x7ffde000.
223 HANDLE
thread_init(void)
228 SIZE_T size
, info_size
;
231 struct ntdll_thread_data
*thread_data
;
232 struct wine_pthread_thread_info thread_info
;
233 static struct debug_info debug_info
; /* debug info for initial thread */
237 /* reserve space for shared user data */
239 addr
= (void *)0x7ffe0000;
241 NtAllocateVirtualMemory( NtCurrentProcess(), &addr
, 0, &size
, MEM_RESERVE
|MEM_COMMIT
, PAGE_READWRITE
);
242 user_shared_data
= addr
;
244 /* allocate and initialize the PEB */
248 NtAllocateVirtualMemory( NtCurrentProcess(), &addr
, 1, &size
,
249 MEM_COMMIT
| MEM_TOP_DOWN
, PAGE_READWRITE
);
252 peb
->NumberOfProcessors
= 1;
253 peb
->ProcessParameters
= ¶ms
;
254 peb
->TlsBitmap
= &tls_bitmap
;
255 peb
->TlsExpansionBitmap
= &tls_expansion_bitmap
;
257 params
.CurrentDirectory
.DosPath
.Buffer
= current_dir
;
258 params
.CurrentDirectory
.DosPath
.MaximumLength
= sizeof(current_dir
);
259 params
.wShowWindow
= 1; /* SW_SHOWNORMAL */
260 RtlInitializeBitMap( &tls_bitmap
, peb
->TlsBitmapBits
, sizeof(peb
->TlsBitmapBits
) * 8 );
261 RtlInitializeBitMap( &tls_expansion_bitmap
, peb
->TlsExpansionBitmapBits
,
262 sizeof(peb
->TlsExpansionBitmapBits
) * 8 );
263 InitializeListHead( &ldr
.InLoadOrderModuleList
);
264 InitializeListHead( &ldr
.InMemoryOrderModuleList
);
265 InitializeListHead( &ldr
.InInitializationOrderModuleList
);
266 InitializeListHead( &tls_links
);
268 /* allocate and initialize the initial TEB */
270 sigstack_total_size
= get_signal_stack_total_size();
271 while (1 << sigstack_zero_bits
< sigstack_total_size
) sigstack_zero_bits
++;
272 assert( 1 << sigstack_zero_bits
== sigstack_total_size
); /* must be a power of 2 */
273 assert( sigstack_total_size
>= sizeof(TEB
) + sizeof(struct startup_info
) );
274 thread_info
.teb_size
= sigstack_total_size
;
277 size
= sigstack_total_size
;
278 NtAllocateVirtualMemory( NtCurrentProcess(), &addr
, sigstack_zero_bits
,
279 &size
, MEM_COMMIT
| MEM_TOP_DOWN
, PAGE_READWRITE
);
282 thread_info
.teb_size
= size
;
284 thread_data
= (struct ntdll_thread_data
*)teb
->SystemReserved2
;
285 thread_data
->debug_info
= &debug_info
;
286 InsertHeadList( &tls_links
, &teb
->TlsLinks
);
288 thread_info
.stack_base
= NULL
;
289 thread_info
.stack_size
= 0;
290 thread_info
.teb_base
= teb
;
291 thread_info
.teb_sel
= thread_data
->fs
;
292 wine_pthread_get_functions( &pthread_functions
, sizeof(pthread_functions
) );
293 pthread_functions
.init_current_teb( &thread_info
);
294 pthread_functions
.init_thread( &thread_info
);
295 virtual_init_threading();
297 debug_info
.str_pos
= debug_info
.strings
;
298 debug_info
.out_pos
= debug_info
.output
;
301 /* setup the server connection */
302 server_init_process();
303 info_size
= server_init_thread( thread_info
.pid
, thread_info
.tid
, NULL
);
305 /* create the process heap */
306 if (!(peb
->ProcessHeap
= RtlCreateHeap( HEAP_GROWABLE
, NULL
, 0, 0, NULL
, NULL
)))
308 MESSAGE( "wine: failed to create the process heap\n" );
312 /* allocate user parameters */
315 init_user_process_params( info_size
, &exe_file
);
319 /* This is wine specific: we have no parent (we're started from unix)
320 * so, create a simple console with bare handles to unix stdio
322 wine_server_fd_to_handle( 0, GENERIC_READ
|SYNCHRONIZE
, OBJ_INHERIT
, ¶ms
.hStdInput
);
323 wine_server_fd_to_handle( 1, GENERIC_WRITE
|SYNCHRONIZE
, OBJ_INHERIT
, ¶ms
.hStdOutput
);
324 wine_server_fd_to_handle( 2, GENERIC_WRITE
|SYNCHRONIZE
, OBJ_INHERIT
, ¶ms
.hStdError
);
327 /* initialize LDT locking */
328 wine_ldt_init_locking( ldt_lock
, ldt_unlock
);
330 /* initialize time values in user_shared_data */
331 NtQuerySystemTime( &now
);
332 user_shared_data
->SystemTime
.LowPart
= now
.u
.LowPart
;
333 user_shared_data
->SystemTime
.High1Time
= user_shared_data
->SystemTime
.High2Time
= now
.u
.HighPart
;
334 user_shared_data
->u
.TickCountQuad
= (now
.QuadPart
- server_start_time
) / 10000;
335 user_shared_data
->u
.TickCount
.High2Time
= user_shared_data
->u
.TickCount
.High1Time
;
336 user_shared_data
->TickCountLowDeprecated
= user_shared_data
->u
.TickCount
.LowPart
;
337 user_shared_data
->TickCountMultiplier
= 1 << 24;
342 typedef LONG (WINAPI
*PUNHANDLED_EXCEPTION_FILTER
)(PEXCEPTION_POINTERS
);
343 static PUNHANDLED_EXCEPTION_FILTER
get_unhandled_exception_filter(void)
345 static PUNHANDLED_EXCEPTION_FILTER unhandled_exception_filter
;
346 static const WCHAR kernel32W
[] = {'k','e','r','n','e','l','3','2','.','d','l','l',0};
347 UNICODE_STRING module_name
;
348 ANSI_STRING func_name
;
349 HMODULE kernel32_handle
;
351 if (unhandled_exception_filter
) return unhandled_exception_filter
;
353 RtlInitUnicodeString(&module_name
, kernel32W
);
354 RtlInitAnsiString( &func_name
, "UnhandledExceptionFilter" );
356 if (LdrGetDllHandle( 0, 0, &module_name
, &kernel32_handle
) == STATUS_SUCCESS
)
357 LdrGetProcedureAddress( kernel32_handle
, &func_name
, 0,
358 (void **)&unhandled_exception_filter
);
360 return unhandled_exception_filter
;
364 /* wrapper for apps that don't declare the thread function correctly */
365 extern DWORD
call_thread_entry_point( PRTL_THREAD_START_ROUTINE entry
, void *arg
);
366 __ASM_GLOBAL_FUNC(call_thread_entry_point
,
371 "movl 8(%ebp),%eax\n\t"
376 static inline DWORD
call_thread_entry_point( PRTL_THREAD_START_ROUTINE entry
, void *arg
)
378 LPTHREAD_START_ROUTINE func
= (LPTHREAD_START_ROUTINE
)entry
;
383 /***********************************************************************
386 * Hack to make things compatible with the thread procedures used by kernel32.CreateThread.
388 static void DECLSPEC_NORETURN
call_thread_func( PRTL_THREAD_START_ROUTINE rtl_func
, void *arg
)
393 MODULE_DllThreadAttach( NULL
);
396 DPRINTF( "%04x:Starting thread proc %p (arg=%p)\n", GetCurrentThreadId(), rtl_func
, arg
);
398 exit_code
= call_thread_entry_point( rtl_func
, arg
);
400 /* send the exit code to the server */
401 SERVER_START_REQ( terminate_thread
)
403 req
->handle
= GetCurrentThread();
404 req
->exit_code
= exit_code
;
405 wine_server_call( req
);
412 LdrShutdownProcess();
418 server_exit_thread( exit_code
);
423 /***********************************************************************
426 * Startup routine for a newly created thread.
428 static void start_thread( struct wine_pthread_thread_info
*info
)
430 TEB
*teb
= info
->teb_base
;
431 struct ntdll_thread_data
*thread_data
= (struct ntdll_thread_data
*)teb
->SystemReserved2
;
432 struct startup_info
*startup_info
= (struct startup_info
*)info
;
433 PRTL_THREAD_START_ROUTINE func
= startup_info
->entry_point
;
434 void *arg
= startup_info
->entry_arg
;
435 struct debug_info debug_info
;
436 SIZE_T size
, page_size
= getpagesize();
438 debug_info
.str_pos
= debug_info
.strings
;
439 debug_info
.out_pos
= debug_info
.output
;
440 thread_data
->debug_info
= &debug_info
;
442 pthread_functions
.init_current_teb( info
);
444 server_init_thread( info
->pid
, info
->tid
, func
);
445 pthread_functions
.init_thread( info
);
447 /* allocate a memory view for the stack */
448 size
= info
->stack_size
;
449 teb
->DeallocationStack
= info
->stack_base
;
450 NtAllocateVirtualMemory( NtCurrentProcess(), &teb
->DeallocationStack
, 0,
451 &size
, MEM_SYSTEM
, PAGE_READWRITE
);
452 /* limit is lower than base since the stack grows down */
453 teb
->Tib
.StackBase
= (char *)info
->stack_base
+ info
->stack_size
;
454 teb
->Tib
.StackLimit
= (char *)info
->stack_base
+ page_size
;
456 /* setup the guard page */
458 NtProtectVirtualMemory( NtCurrentProcess(), &teb
->DeallocationStack
, &size
, PAGE_NOACCESS
, NULL
);
460 pthread_functions
.sigprocmask( SIG_UNBLOCK
, &server_block_set
, NULL
);
463 InsertHeadList( &tls_links
, &teb
->TlsLinks
);
466 /* NOTE: Windows does not have an exception handler around the call to
467 * the thread attach. We do for ease of debugging */
468 if (get_unhandled_exception_filter())
472 call_thread_func( func
, arg
);
474 __EXCEPT(get_unhandled_exception_filter())
476 NtTerminateThread( GetCurrentThread(), GetExceptionCode() );
481 call_thread_func( func
, arg
);
485 /***********************************************************************
486 * RtlCreateUserThread (NTDLL.@)
488 NTSTATUS WINAPI
RtlCreateUserThread( HANDLE process
, const SECURITY_DESCRIPTOR
*descr
,
489 BOOLEAN suspended
, PVOID stack_addr
,
490 SIZE_T stack_reserve
, SIZE_T stack_commit
,
491 PRTL_THREAD_START_ROUTINE start
, void *param
,
492 HANDLE
*handle_ptr
, CLIENT_ID
*id
)
495 struct ntdll_thread_data
*thread_data
= NULL
;
496 struct ntdll_thread_regs
*thread_regs
;
497 struct startup_info
*info
= NULL
;
504 SIZE_T size
, page_size
= getpagesize();
506 if (process
!= NtCurrentProcess())
511 call
.create_thread
.type
= APC_CREATE_THREAD
;
512 call
.create_thread
.func
= start
;
513 call
.create_thread
.arg
= param
;
514 call
.create_thread
.reserve
= stack_reserve
;
515 call
.create_thread
.commit
= stack_commit
;
516 call
.create_thread
.suspend
= suspended
;
517 status
= NTDLL_queue_process_apc( process
, &call
, &result
);
518 if (status
!= STATUS_SUCCESS
) return status
;
520 if (result
.create_thread
.status
== STATUS_SUCCESS
)
522 if (id
) id
->UniqueThread
= ULongToHandle(result
.create_thread
.tid
);
523 if (handle_ptr
) *handle_ptr
= result
.create_thread
.handle
;
524 else NtClose( result
.create_thread
.handle
);
526 return result
.create_thread
.status
;
529 if (pipe( request_pipe
) == -1) return STATUS_TOO_MANY_OPENED_FILES
;
530 fcntl( request_pipe
[1], F_SETFD
, 1 ); /* set close on exec flag */
531 wine_server_send_fd( request_pipe
[0] );
533 SERVER_START_REQ( new_thread
)
535 req
->access
= THREAD_ALL_ACCESS
;
536 req
->attributes
= 0; /* FIXME */
537 req
->suspend
= suspended
;
538 req
->request_fd
= request_pipe
[0];
539 if (!(status
= wine_server_call( req
)))
541 handle
= reply
->handle
;
544 close( request_pipe
[0] );
550 close( request_pipe
[1] );
554 pthread_functions
.sigprocmask( SIG_BLOCK
, &server_block_set
, &sigset
);
557 size
= sigstack_total_size
;
558 if ((status
= NtAllocateVirtualMemory( NtCurrentProcess(), &addr
, sigstack_zero_bits
,
559 &size
, MEM_COMMIT
| MEM_TOP_DOWN
, PAGE_READWRITE
)))
562 teb
->Peb
= NtCurrentTeb()->Peb
;
563 info
= (struct startup_info
*)(teb
+ 1);
564 info
->pthread_info
.teb_size
= size
;
565 if ((status
= init_teb( teb
))) goto error
;
567 teb
->ClientId
.UniqueProcess
= ULongToHandle(GetCurrentProcessId());
568 teb
->ClientId
.UniqueThread
= ULongToHandle(tid
);
570 thread_data
= (struct ntdll_thread_data
*)teb
->SystemReserved2
;
571 thread_regs
= (struct ntdll_thread_regs
*)teb
->SpareBytes1
;
572 thread_data
->request_fd
= request_pipe
[1];
574 info
->pthread_info
.teb_base
= teb
;
575 info
->pthread_info
.teb_sel
= thread_data
->fs
;
577 /* inherit debug registers from parent thread */
578 thread_regs
->dr0
= ntdll_get_thread_regs()->dr0
;
579 thread_regs
->dr1
= ntdll_get_thread_regs()->dr1
;
580 thread_regs
->dr2
= ntdll_get_thread_regs()->dr2
;
581 thread_regs
->dr3
= ntdll_get_thread_regs()->dr3
;
582 thread_regs
->dr6
= ntdll_get_thread_regs()->dr6
;
583 thread_regs
->dr7
= ntdll_get_thread_regs()->dr7
;
585 if (!stack_reserve
|| !stack_commit
)
587 IMAGE_NT_HEADERS
*nt
= RtlImageNtHeader( NtCurrentTeb()->Peb
->ImageBaseAddress
);
588 if (!stack_reserve
) stack_reserve
= nt
->OptionalHeader
.SizeOfStackReserve
;
589 if (!stack_commit
) stack_commit
= nt
->OptionalHeader
.SizeOfStackCommit
;
591 if (stack_reserve
< stack_commit
) stack_reserve
= stack_commit
;
592 stack_reserve
+= page_size
; /* for the guard page */
593 stack_reserve
= (stack_reserve
+ 0xffff) & ~0xffff; /* round to 64K boundary */
594 if (stack_reserve
< 1024 * 1024) stack_reserve
= 1024 * 1024; /* Xlib needs a large stack */
596 info
->pthread_info
.stack_base
= NULL
;
597 info
->pthread_info
.stack_size
= stack_reserve
;
598 info
->pthread_info
.entry
= start_thread
;
599 info
->entry_point
= start
;
600 info
->entry_arg
= param
;
602 if (pthread_functions
.create_thread( &info
->pthread_info
) == -1)
604 status
= STATUS_NO_MEMORY
;
607 pthread_functions
.sigprocmask( SIG_SETMASK
, &sigset
, NULL
);
609 if (id
) id
->UniqueThread
= ULongToHandle(tid
);
610 if (handle_ptr
) *handle_ptr
= handle
;
611 else NtClose( handle
);
613 return STATUS_SUCCESS
;
616 if (thread_data
) wine_ldt_free_fs( thread_data
->fs
);
620 NtFreeVirtualMemory( NtCurrentProcess(), &addr
, &size
, MEM_RELEASE
);
622 if (handle
) NtClose( handle
);
623 pthread_functions
.sigprocmask( SIG_SETMASK
, &sigset
, NULL
);
624 close( request_pipe
[1] );
629 /***********************************************************************
630 * RtlExitUserThread (NTDLL.@)
632 void WINAPI
RtlExitUserThread( ULONG status
)
635 server_exit_thread( status
);
639 /***********************************************************************
640 * NtOpenThread (NTDLL.@)
641 * ZwOpenThread (NTDLL.@)
643 NTSTATUS WINAPI
NtOpenThread( HANDLE
*handle
, ACCESS_MASK access
,
644 const OBJECT_ATTRIBUTES
*attr
, const CLIENT_ID
*id
)
648 SERVER_START_REQ( open_thread
)
650 req
->tid
= HandleToULong(id
->UniqueThread
);
651 req
->access
= access
;
652 req
->attributes
= attr
? attr
->Attributes
: 0;
653 ret
= wine_server_call( req
);
654 *handle
= reply
->handle
;
661 /******************************************************************************
662 * NtSuspendThread (NTDLL.@)
663 * ZwSuspendThread (NTDLL.@)
665 NTSTATUS WINAPI
NtSuspendThread( HANDLE handle
, PULONG count
)
669 SERVER_START_REQ( suspend_thread
)
671 req
->handle
= handle
;
672 if (!(ret
= wine_server_call( req
))) *count
= reply
->count
;
679 /******************************************************************************
680 * NtResumeThread (NTDLL.@)
681 * ZwResumeThread (NTDLL.@)
683 NTSTATUS WINAPI
NtResumeThread( HANDLE handle
, PULONG count
)
687 SERVER_START_REQ( resume_thread
)
689 req
->handle
= handle
;
690 if (!(ret
= wine_server_call( req
))) *count
= reply
->count
;
697 /******************************************************************************
698 * NtAlertResumeThread (NTDLL.@)
699 * ZwAlertResumeThread (NTDLL.@)
701 NTSTATUS WINAPI
NtAlertResumeThread( HANDLE handle
, PULONG count
)
703 FIXME( "stub: should alert thread %p\n", handle
);
704 return NtResumeThread( handle
, count
);
708 /******************************************************************************
709 * NtAlertThread (NTDLL.@)
710 * ZwAlertThread (NTDLL.@)
712 NTSTATUS WINAPI
NtAlertThread( HANDLE handle
)
714 FIXME( "stub: %p\n", handle
);
715 return STATUS_NOT_IMPLEMENTED
;
719 /******************************************************************************
720 * NtTerminateThread (NTDLL.@)
721 * ZwTerminateThread (NTDLL.@)
723 NTSTATUS WINAPI
NtTerminateThread( HANDLE handle
, LONG exit_code
)
728 SERVER_START_REQ( terminate_thread
)
730 req
->handle
= handle
;
731 req
->exit_code
= exit_code
;
732 ret
= wine_server_call( req
);
733 self
= !ret
&& reply
->self
;
740 if (last
) exit( exit_code
);
741 else server_abort_thread( exit_code
);
747 /******************************************************************************
748 * NtQueueApcThread (NTDLL.@)
750 NTSTATUS WINAPI
NtQueueApcThread( HANDLE handle
, PNTAPCFUNC func
, ULONG_PTR arg1
,
751 ULONG_PTR arg2
, ULONG_PTR arg3
)
754 SERVER_START_REQ( queue_apc
)
756 req
->thread
= handle
;
759 req
->call
.type
= APC_USER
;
760 req
->call
.user
.func
= func
;
761 req
->call
.user
.args
[0] = arg1
;
762 req
->call
.user
.args
[1] = arg2
;
763 req
->call
.user
.args
[2] = arg3
;
765 else req
->call
.type
= APC_NONE
; /* wake up only */
766 ret
= wine_server_call( req
);
773 /***********************************************************************
774 * NtSetContextThread (NTDLL.@)
775 * ZwSetContextThread (NTDLL.@)
777 NTSTATUS WINAPI
NtSetContextThread( HANDLE handle
, const CONTEXT
*context
)
784 /* on i386 debug registers always require a server call */
785 self
= (handle
== GetCurrentThread());
786 if (self
&& (context
->ContextFlags
& (CONTEXT_DEBUG_REGISTERS
& ~CONTEXT_i386
)))
788 struct ntdll_thread_regs
* const regs
= ntdll_get_thread_regs();
789 self
= (regs
->dr0
== context
->Dr0
&& regs
->dr1
== context
->Dr1
&&
790 regs
->dr2
== context
->Dr2
&& regs
->dr3
== context
->Dr3
&&
791 regs
->dr6
== context
->Dr6
&& regs
->dr7
== context
->Dr7
);
797 SERVER_START_REQ( set_thread_context
)
799 req
->handle
= handle
;
800 req
->flags
= context
->ContextFlags
;
802 wine_server_add_data( req
, context
, sizeof(*context
) );
803 ret
= wine_server_call( req
);
808 if (ret
== STATUS_PENDING
)
810 if (NtSuspendThread( handle
, &dummy
) == STATUS_SUCCESS
)
812 for (i
= 0; i
< 100; i
++)
814 SERVER_START_REQ( set_thread_context
)
816 req
->handle
= handle
;
817 req
->flags
= context
->ContextFlags
;
819 wine_server_add_data( req
, context
, sizeof(*context
) );
820 ret
= wine_server_call( req
);
823 if (ret
!= STATUS_PENDING
) break;
826 NtResumeThread( handle
, &dummy
);
828 if (ret
== STATUS_PENDING
) ret
= STATUS_ACCESS_DENIED
;
834 if (self
) set_cpu_context( context
);
835 return STATUS_SUCCESS
;
839 /* copy a context structure according to the flags */
840 static inline void copy_context( CONTEXT
*to
, const CONTEXT
*from
, DWORD flags
)
843 flags
&= ~CONTEXT_i386
; /* get rid of CPU id */
844 if (flags
& CONTEXT_INTEGER
)
853 if (flags
& CONTEXT_CONTROL
)
858 to
->SegCs
= from
->SegCs
;
859 to
->SegSs
= from
->SegSs
;
860 to
->EFlags
= from
->EFlags
;
862 if (flags
& CONTEXT_SEGMENTS
)
864 to
->SegDs
= from
->SegDs
;
865 to
->SegEs
= from
->SegEs
;
866 to
->SegFs
= from
->SegFs
;
867 to
->SegGs
= from
->SegGs
;
869 if (flags
& CONTEXT_DEBUG_REGISTERS
)
878 if (flags
& CONTEXT_FLOATING_POINT
)
880 to
->FloatSave
= from
->FloatSave
;
882 #elif defined(__x86_64__)
883 flags
&= ~CONTEXT_AMD64
; /* get rid of CPU id */
884 if (flags
& CONTEXT_CONTROL
)
889 to
->SegCs
= from
->SegCs
;
890 to
->SegSs
= from
->SegSs
;
891 to
->EFlags
= from
->EFlags
;
892 to
->MxCsr
= from
->MxCsr
;
894 if (flags
& CONTEXT_INTEGER
)
911 if (flags
& CONTEXT_SEGMENTS
)
913 to
->SegDs
= from
->SegDs
;
914 to
->SegEs
= from
->SegEs
;
915 to
->SegFs
= from
->SegFs
;
916 to
->SegGs
= from
->SegGs
;
918 if (flags
& CONTEXT_FLOATING_POINT
)
920 to
->u
.FltSave
= from
->u
.FltSave
;
922 if (flags
& CONTEXT_DEBUG_REGISTERS
)
931 #elif defined(__sparc__)
932 flags
&= ~CONTEXT_SPARC
; /* get rid of CPU id */
933 if (flags
& CONTEXT_CONTROL
)
942 if (flags
& CONTEXT_INTEGER
)
977 if (flags
& CONTEXT_FLOATING_POINT
)
981 #elif defined(__powerpc__)
983 if (flags
& CONTEXT_CONTROL
)
989 if (flags
& CONTEXT_INTEGER
)
991 to
->Gpr0
= from
->Gpr0
;
992 to
->Gpr1
= from
->Gpr1
;
993 to
->Gpr2
= from
->Gpr2
;
994 to
->Gpr3
= from
->Gpr3
;
995 to
->Gpr4
= from
->Gpr4
;
996 to
->Gpr5
= from
->Gpr5
;
997 to
->Gpr6
= from
->Gpr6
;
998 to
->Gpr7
= from
->Gpr7
;
999 to
->Gpr8
= from
->Gpr8
;
1000 to
->Gpr9
= from
->Gpr9
;
1001 to
->Gpr10
= from
->Gpr10
;
1002 to
->Gpr11
= from
->Gpr11
;
1003 to
->Gpr12
= from
->Gpr12
;
1004 to
->Gpr13
= from
->Gpr13
;
1005 to
->Gpr14
= from
->Gpr14
;
1006 to
->Gpr15
= from
->Gpr15
;
1007 to
->Gpr16
= from
->Gpr16
;
1008 to
->Gpr17
= from
->Gpr17
;
1009 to
->Gpr18
= from
->Gpr18
;
1010 to
->Gpr19
= from
->Gpr19
;
1011 to
->Gpr20
= from
->Gpr20
;
1012 to
->Gpr21
= from
->Gpr21
;
1013 to
->Gpr22
= from
->Gpr22
;
1014 to
->Gpr23
= from
->Gpr23
;
1015 to
->Gpr24
= from
->Gpr24
;
1016 to
->Gpr25
= from
->Gpr25
;
1017 to
->Gpr26
= from
->Gpr26
;
1018 to
->Gpr27
= from
->Gpr27
;
1019 to
->Gpr28
= from
->Gpr28
;
1020 to
->Gpr29
= from
->Gpr29
;
1021 to
->Gpr30
= from
->Gpr30
;
1022 to
->Gpr31
= from
->Gpr31
;
1023 to
->Xer
= from
->Xer
;
1026 if (flags
& CONTEXT_FLOATING_POINT
)
1028 to
->Fpr0
= from
->Fpr0
;
1029 to
->Fpr1
= from
->Fpr1
;
1030 to
->Fpr2
= from
->Fpr2
;
1031 to
->Fpr3
= from
->Fpr3
;
1032 to
->Fpr4
= from
->Fpr4
;
1033 to
->Fpr5
= from
->Fpr5
;
1034 to
->Fpr6
= from
->Fpr6
;
1035 to
->Fpr7
= from
->Fpr7
;
1036 to
->Fpr8
= from
->Fpr8
;
1037 to
->Fpr9
= from
->Fpr9
;
1038 to
->Fpr10
= from
->Fpr10
;
1039 to
->Fpr11
= from
->Fpr11
;
1040 to
->Fpr12
= from
->Fpr12
;
1041 to
->Fpr13
= from
->Fpr13
;
1042 to
->Fpr14
= from
->Fpr14
;
1043 to
->Fpr15
= from
->Fpr15
;
1044 to
->Fpr16
= from
->Fpr16
;
1045 to
->Fpr17
= from
->Fpr17
;
1046 to
->Fpr18
= from
->Fpr18
;
1047 to
->Fpr19
= from
->Fpr19
;
1048 to
->Fpr20
= from
->Fpr20
;
1049 to
->Fpr21
= from
->Fpr21
;
1050 to
->Fpr22
= from
->Fpr22
;
1051 to
->Fpr23
= from
->Fpr23
;
1052 to
->Fpr24
= from
->Fpr24
;
1053 to
->Fpr25
= from
->Fpr25
;
1054 to
->Fpr26
= from
->Fpr26
;
1055 to
->Fpr27
= from
->Fpr27
;
1056 to
->Fpr28
= from
->Fpr28
;
1057 to
->Fpr29
= from
->Fpr29
;
1058 to
->Fpr30
= from
->Fpr30
;
1059 to
->Fpr31
= from
->Fpr31
;
1060 to
->Fpscr
= from
->Fpscr
;
1063 #error You must implement context copying for your CPU
1068 /***********************************************************************
1069 * NtGetContextThread (NTDLL.@)
1070 * ZwGetContextThread (NTDLL.@)
1072 NTSTATUS WINAPI
NtGetContextThread( HANDLE handle
, CONTEXT
*context
)
1077 DWORD needed_flags
= context
->ContextFlags
;
1078 BOOL self
= (handle
== GetCurrentThread());
1081 /* on i386 debug registers always require a server call */
1082 if (context
->ContextFlags
& (CONTEXT_DEBUG_REGISTERS
& ~CONTEXT_i386
)) self
= FALSE
;
1087 SERVER_START_REQ( get_thread_context
)
1089 req
->handle
= handle
;
1090 req
->flags
= context
->ContextFlags
;
1092 wine_server_set_reply( req
, &ctx
, sizeof(ctx
) );
1093 ret
= wine_server_call( req
);
1098 if (ret
== STATUS_PENDING
)
1100 if (NtSuspendThread( handle
, &dummy
) == STATUS_SUCCESS
)
1102 for (i
= 0; i
< 100; i
++)
1104 SERVER_START_REQ( get_thread_context
)
1106 req
->handle
= handle
;
1107 req
->flags
= context
->ContextFlags
;
1109 wine_server_set_reply( req
, &ctx
, sizeof(ctx
) );
1110 ret
= wine_server_call( req
);
1113 if (ret
!= STATUS_PENDING
) break;
1116 NtResumeThread( handle
, &dummy
);
1118 if (ret
== STATUS_PENDING
) ret
= STATUS_ACCESS_DENIED
;
1120 if (ret
) return ret
;
1121 copy_context( context
, &ctx
, context
->ContextFlags
& ctx
.ContextFlags
);
1122 needed_flags
&= ~ctx
.ContextFlags
;
1129 get_cpu_context( &ctx
);
1130 copy_context( context
, &ctx
, ctx
.ContextFlags
& needed_flags
);
1133 /* update the cached version of the debug registers */
1134 if (context
->ContextFlags
& (CONTEXT_DEBUG_REGISTERS
& ~CONTEXT_i386
))
1136 struct ntdll_thread_regs
* const regs
= ntdll_get_thread_regs();
1137 regs
->dr0
= context
->Dr0
;
1138 regs
->dr1
= context
->Dr1
;
1139 regs
->dr2
= context
->Dr2
;
1140 regs
->dr3
= context
->Dr3
;
1141 regs
->dr6
= context
->Dr6
;
1142 regs
->dr7
= context
->Dr7
;
1146 return STATUS_SUCCESS
;
1150 /******************************************************************************
1151 * NtQueryInformationThread (NTDLL.@)
1152 * ZwQueryInformationThread (NTDLL.@)
1154 NTSTATUS WINAPI
NtQueryInformationThread( HANDLE handle
, THREADINFOCLASS
class,
1155 void *data
, ULONG length
, ULONG
*ret_len
)
1161 case ThreadBasicInformation
:
1163 THREAD_BASIC_INFORMATION info
;
1165 SERVER_START_REQ( get_thread_info
)
1167 req
->handle
= handle
;
1169 if (!(status
= wine_server_call( req
)))
1171 info
.ExitStatus
= reply
->exit_code
;
1172 info
.TebBaseAddress
= reply
->teb
;
1173 info
.ClientId
.UniqueProcess
= ULongToHandle(reply
->pid
);
1174 info
.ClientId
.UniqueThread
= ULongToHandle(reply
->tid
);
1175 info
.AffinityMask
= reply
->affinity
;
1176 info
.Priority
= reply
->priority
;
1177 info
.BasePriority
= reply
->priority
; /* FIXME */
1181 if (status
== STATUS_SUCCESS
)
1183 if (data
) memcpy( data
, &info
, min( length
, sizeof(info
) ));
1184 if (ret_len
) *ret_len
= min( length
, sizeof(info
) );
1190 KERNEL_USER_TIMES kusrt
;
1191 /* We need to do a server call to get the creation time or exit time */
1192 /* This works on any thread */
1193 SERVER_START_REQ( get_thread_info
)
1195 req
->handle
= handle
;
1197 status
= wine_server_call( req
);
1198 if (status
== STATUS_SUCCESS
)
1200 kusrt
.CreateTime
.QuadPart
= reply
->creation_time
;
1201 kusrt
.ExitTime
.QuadPart
= reply
->exit_time
;
1205 if (status
== STATUS_SUCCESS
)
1207 /* We call times(2) for kernel time or user time */
1208 /* We can only (portably) do this for the current thread */
1209 if (handle
== GetCurrentThread())
1211 struct tms time_buf
;
1212 long clocks_per_sec
= sysconf(_SC_CLK_TCK
);
1215 kusrt
.KernelTime
.QuadPart
= (ULONGLONG
)time_buf
.tms_stime
* 10000000 / clocks_per_sec
;
1216 kusrt
.UserTime
.QuadPart
= (ULONGLONG
)time_buf
.tms_utime
* 10000000 / clocks_per_sec
;
1220 kusrt
.KernelTime
.QuadPart
= 0;
1221 kusrt
.UserTime
.QuadPart
= 0;
1222 FIXME("Cannot get kerneltime or usertime of other threads\n");
1224 if (data
) memcpy( data
, &kusrt
, min( length
, sizeof(kusrt
) ));
1225 if (ret_len
) *ret_len
= min( length
, sizeof(kusrt
) );
1229 case ThreadDescriptorTableEntry
:
1232 THREAD_DESCRIPTOR_INFORMATION
* tdi
= data
;
1233 if (length
< sizeof(*tdi
))
1234 status
= STATUS_INFO_LENGTH_MISMATCH
;
1235 else if (!(tdi
->Selector
& 4)) /* GDT selector */
1237 unsigned sel
= tdi
->Selector
& ~3; /* ignore RPL */
1238 status
= STATUS_SUCCESS
;
1239 if (!sel
) /* null selector */
1240 memset( &tdi
->Entry
, 0, sizeof(tdi
->Entry
) );
1243 tdi
->Entry
.BaseLow
= 0;
1244 tdi
->Entry
.HighWord
.Bits
.BaseMid
= 0;
1245 tdi
->Entry
.HighWord
.Bits
.BaseHi
= 0;
1246 tdi
->Entry
.LimitLow
= 0xffff;
1247 tdi
->Entry
.HighWord
.Bits
.LimitHi
= 0xf;
1248 tdi
->Entry
.HighWord
.Bits
.Dpl
= 3;
1249 tdi
->Entry
.HighWord
.Bits
.Sys
= 0;
1250 tdi
->Entry
.HighWord
.Bits
.Pres
= 1;
1251 tdi
->Entry
.HighWord
.Bits
.Granularity
= 1;
1252 tdi
->Entry
.HighWord
.Bits
.Default_Big
= 1;
1253 tdi
->Entry
.HighWord
.Bits
.Type
= 0x12;
1254 /* it has to be one of the system GDT selectors */
1255 if (sel
!= (wine_get_ds() & ~3) && sel
!= (wine_get_ss() & ~3))
1257 if (sel
== (wine_get_cs() & ~3))
1258 tdi
->Entry
.HighWord
.Bits
.Type
|= 8; /* code segment */
1259 else status
= STATUS_ACCESS_DENIED
;
1265 SERVER_START_REQ( get_selector_entry
)
1267 req
->handle
= handle
;
1268 req
->entry
= tdi
->Selector
>> 3;
1269 status
= wine_server_call( req
);
1272 if (!(reply
->flags
& WINE_LDT_FLAGS_ALLOCATED
))
1273 status
= STATUS_ACCESS_VIOLATION
;
1276 wine_ldt_set_base ( &tdi
->Entry
, (void *)reply
->base
);
1277 wine_ldt_set_limit( &tdi
->Entry
, reply
->limit
);
1278 wine_ldt_set_flags( &tdi
->Entry
, reply
->flags
);
1284 if (status
== STATUS_SUCCESS
&& ret_len
)
1285 /* yes, that's a bit strange, but it's the way it is */
1286 *ret_len
= sizeof(LDT_ENTRY
);
1288 status
= STATUS_NOT_IMPLEMENTED
;
1292 case ThreadAmILastThread
:
1294 SERVER_START_REQ(get_thread_info
)
1296 req
->handle
= handle
;
1298 status
= wine_server_call( req
);
1299 if (status
== STATUS_SUCCESS
)
1301 BOOLEAN last
= reply
->last
;
1302 if (data
) memcpy( data
, &last
, min( length
, sizeof(last
) ));
1303 if (ret_len
) *ret_len
= min( length
, sizeof(last
) );
1309 case ThreadPriority
:
1310 case ThreadBasePriority
:
1311 case ThreadAffinityMask
:
1312 case ThreadImpersonationToken
:
1313 case ThreadEnableAlignmentFaultFixup
:
1314 case ThreadEventPair_Reusable
:
1315 case ThreadQuerySetWin32StartAddress
:
1316 case ThreadZeroTlsCell
:
1317 case ThreadPerformanceCount
:
1318 case ThreadIdealProcessor
:
1319 case ThreadPriorityBoost
:
1320 case ThreadSetTlsArrayAddress
:
1321 case ThreadIsIoPending
:
1323 FIXME( "info class %d not supported yet\n", class );
1324 return STATUS_NOT_IMPLEMENTED
;
1329 /******************************************************************************
1330 * NtSetInformationThread (NTDLL.@)
1331 * ZwSetInformationThread (NTDLL.@)
1333 NTSTATUS WINAPI
NtSetInformationThread( HANDLE handle
, THREADINFOCLASS
class,
1334 LPCVOID data
, ULONG length
)
1339 case ThreadZeroTlsCell
:
1340 if (handle
== GetCurrentThread())
1345 if (length
!= sizeof(DWORD
)) return STATUS_INVALID_PARAMETER
;
1346 index
= *(const DWORD
*)data
;
1347 if (index
< TLS_MINIMUM_AVAILABLE
)
1349 RtlAcquirePebLock();
1350 for (entry
= tls_links
.Flink
; entry
!= &tls_links
; entry
= entry
->Flink
)
1352 TEB
*teb
= CONTAINING_RECORD(entry
, TEB
, TlsLinks
);
1353 teb
->TlsSlots
[index
] = 0;
1355 RtlReleasePebLock();
1359 index
-= TLS_MINIMUM_AVAILABLE
;
1360 if (index
>= 8 * sizeof(NtCurrentTeb()->Peb
->TlsExpansionBitmapBits
))
1361 return STATUS_INVALID_PARAMETER
;
1362 RtlAcquirePebLock();
1363 for (entry
= tls_links
.Flink
; entry
!= &tls_links
; entry
= entry
->Flink
)
1365 TEB
*teb
= CONTAINING_RECORD(entry
, TEB
, TlsLinks
);
1366 if (teb
->TlsExpansionSlots
) teb
->TlsExpansionSlots
[index
] = 0;
1368 RtlReleasePebLock();
1370 return STATUS_SUCCESS
;
1372 FIXME( "ZeroTlsCell not supported on other threads\n" );
1373 return STATUS_NOT_IMPLEMENTED
;
1375 case ThreadImpersonationToken
:
1377 const HANDLE
*phToken
= data
;
1378 if (length
!= sizeof(HANDLE
)) return STATUS_INVALID_PARAMETER
;
1379 TRACE("Setting ThreadImpersonationToken handle to %p\n", *phToken
);
1380 SERVER_START_REQ( set_thread_info
)
1382 req
->handle
= handle
;
1383 req
->token
= *phToken
;
1384 req
->mask
= SET_THREAD_INFO_TOKEN
;
1385 status
= wine_server_call( req
);
1390 case ThreadBasePriority
:
1392 const DWORD
*pprio
= data
;
1393 if (length
!= sizeof(DWORD
)) return STATUS_INVALID_PARAMETER
;
1394 SERVER_START_REQ( set_thread_info
)
1396 req
->handle
= handle
;
1397 req
->priority
= *pprio
;
1398 req
->mask
= SET_THREAD_INFO_PRIORITY
;
1399 status
= wine_server_call( req
);
1404 case ThreadAffinityMask
:
1406 const DWORD
*paff
= data
;
1407 if (length
!= sizeof(DWORD
)) return STATUS_INVALID_PARAMETER
;
1408 SERVER_START_REQ( set_thread_info
)
1410 req
->handle
= handle
;
1411 req
->affinity
= *paff
;
1412 req
->mask
= SET_THREAD_INFO_AFFINITY
;
1413 status
= wine_server_call( req
);
1418 case ThreadBasicInformation
:
1420 case ThreadPriority
:
1421 case ThreadDescriptorTableEntry
:
1422 case ThreadEnableAlignmentFaultFixup
:
1423 case ThreadEventPair_Reusable
:
1424 case ThreadQuerySetWin32StartAddress
:
1425 case ThreadPerformanceCount
:
1426 case ThreadAmILastThread
:
1427 case ThreadIdealProcessor
:
1428 case ThreadPriorityBoost
:
1429 case ThreadSetTlsArrayAddress
:
1430 case ThreadIsIoPending
:
1432 FIXME( "info class %d not supported yet\n", class );
1433 return STATUS_NOT_IMPLEMENTED
;
1438 /**********************************************************************
1439 * NtCurrentTeb (NTDLL.@)
1441 #if defined(__i386__) && defined(__GNUC__)
1443 __ASM_GLOBAL_FUNC( NtCurrentTeb
, ".byte 0x64\n\tmovl 0x18,%eax\n\tret" )
1445 #elif defined(__i386__) && defined(_MSC_VER)
1447 /* Nothing needs to be done. MS C "magically" exports the inline version from winnt.h */
1451 /**********************************************************************/
1453 TEB
* WINAPI
NtCurrentTeb(void)
1455 return pthread_functions
.get_current_teb();
1458 #endif /* __i386__ */