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https://github.com/reactos/wine.git
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162 lines
7.6 KiB
C
162 lines
7.6 KiB
C
/*
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* Thread definitions
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*
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* Copyright 1996 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __WINE_THREAD_H
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#define __WINE_THREAD_H
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#include "winternl.h"
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#include "wine/windef16.h"
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struct __EXCEPTION_FRAME;
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struct _SECURITY_ATTRIBUTES;
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struct tagSYSLEVEL;
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struct server_buffer_info;
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struct fiber_data;
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/* Thread exception block
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flags in the comment:
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1-- win95 field
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d-- win95 debug version
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-2- nt field
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--3 wine special
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--n wine unused
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!-- or -!- likely or observed collision
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more problems (collected from mailing list):
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psapi.dll 0x10/0x30 (expects nt fields)
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ie4 0x40
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PESHiELD 0x23/0x30 (win95)
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*/
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typedef struct _TEB
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{
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/* start of NT_TIB */
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struct __EXCEPTION_FRAME *except; /* 12- 00 Head of exception handling chain */
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void *stack_top; /* 12- 04 Top of thread stack */
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void *stack_low; /* 12- 08 Stack low-water mark */
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HTASK16 htask16; /* 1-- 0c Win16 task handle */
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WORD stack_sel; /* 1-- 0e 16-bit stack selector */
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struct fiber_data *fiber; /* -2- 10 Current fiber data (Win95: selector manager list) */
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DWORD user_ptr; /* 12n 14 User pointer */
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/* end of NT_TIB */
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struct _TEB *self; /* 12- 18 Pointer to this structure */
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WORD tibflags; /* 1!n 1c Flags (NT: EnvironmentPointer) */
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WORD mutex_count; /* 1-n 1e Win16 mutex count */
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DWORD pid; /* !2- 20 Process id (win95: debug context) */
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DWORD tid; /* -2- 24 Thread id */
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HQUEUE16 queue; /* 1!- 28 Message queue (NT: DWORD ActiveRpcHandle)*/
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WORD pad1; /* --n 2a */
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LPVOID *tls_ptr; /* 1-- 2c Pointer to TLS array */
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PEB *Peb; /* 12- 30 owning process PEB */
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DWORD flags; /* 1-n 34 */
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DWORD exit_code; /* 1-- 38 Termination status */
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WORD teb_sel; /* 1-- 3c Selector to TEB */
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WORD emu_sel; /* 1-n 3e 80387 emulator selector */
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DWORD unknown1; /* --n 40 */
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DWORD unknown2; /* --n 44 */
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void (*startup)(void); /* --3 48 Thread startup routine */
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int thread_errno; /* --3 4c Per-thread errno (was: ring0_thread) */
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int thread_h_errno; /* --3 50 Per-thread h_errno (was: ptr to tdbx structure) */
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void *signal_stack; /* --3 54 Signal stack (was: stack_base) */
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void *exit_stack; /* 1-n 58 Exit stack */
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void *emu_data; /* --n 5c Related to 80387 emulation */
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DWORD last_error; /* 1-- 60 Last error code */
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HANDLE debug_cb; /* 1-n 64 Debugger context block */
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DWORD debug_thread; /* 1-n 68 Thread debugging this one (?) */
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void *pcontext; /* 1-n 6c Thread register context */
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DWORD cur_stack; /* --3 70 Current stack (was: unknown) */
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DWORD ThunkConnect; /* 1-n 74 */
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DWORD NegStackBase; /* 1-n 78 */
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WORD current_ss; /* 1-n 7c Another 16-bit stack selector */
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WORD pad2; /* --n 7e */
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void *ss_table; /* --n 80 Pointer to info about 16-bit stack */
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WORD thunk_ss; /* --n 84 Yet another 16-bit stack selector */
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WORD pad3; /* --n 86 */
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DWORD pad4[15]; /* --n 88 */
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ULONG CurrentLocale; /* -2- C4 */
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DWORD pad5[48]; /* --n C8 */
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DWORD delta_priority; /* 1-n 188 Priority delta */
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DWORD unknown4[7]; /* d-n 18c Unknown */
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void *create_data; /* d-n 1a8 Pointer to creation structure */
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DWORD suspend_count; /* d-n 1ac SuspendThread() counter */
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void *entry_point; /* --3 1b0 Thread entry point (was: unknown) */
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void *entry_arg; /* --3 1b4 Entry point arg (was: unknown) */
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DWORD unknown5[4]; /* --n 1b8 Unknown */
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DWORD sys_count[4]; /* --3 1c8 Syslevel mutex entry counters */
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struct tagSYSLEVEL *sys_mutex[4]; /* --3 1d8 Syslevel mutex pointers */
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DWORD unknown6[5]; /* --n 1e8 Unknown */
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/* The following are Wine-specific fields (NT: GDI stuff) */
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UINT code_page; /* --3 1fc Thread code page */
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DWORD unused[2]; /* --3 200 Was server buffer */
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DWORD gs_sel; /* --3 208 %gs selector for this thread */
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int request_fd; /* --3 20c fd for sending server requests */
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int reply_fd; /* --3 210 fd for receiving server replies */
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int wait_fd[2]; /* --3 214 fd for sleeping server requests */
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void *debug_info; /* --3 21c Info for debugstr functions */
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void *pthread_data; /* --3 220 Data for pthread emulation */
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struct async_private *pending_list; /* --3 224 list of pending async operations */
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void *driver_data; /* --3 228 Graphics driver private data */
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DWORD dpmi_vif; /* --3 22c Protected mode virtual interrupt flag */
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DWORD vm86_pending; /* --3 230 Data for vm86 mode */
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void *vm86_ptr; /* --3 234 Data for vm86 mode */
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/* here is plenty space for wine specific fields (don't forget to change pad6!!) */
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/* the following are nt specific fields */
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DWORD pad6[624]; /* --n 238 */
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UNICODE_STRING StaticUnicodeString; /* -2- bf8 used by advapi32 */
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USHORT StaticUnicodeBuffer[261]; /* -2- c00 used by advapi32 */
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void *stack_base; /* -2- e0c Base of the stack */
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LPVOID tls_array[64]; /* -2- e10 Thread local storage */
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DWORD pad8[3]; /* --n f10 */
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PVOID ReservedForNtRpc; /* -2- f1c used by rpcrt4 */
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DWORD pad9[24]; /* --n f20 */
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PVOID ErrorInfo; /* -2- f80 used by ole32 (IErrorInfo*) */
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} TEB;
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/* Thread exception flags */
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#define TEBF_WIN32 0x0001
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#define TEBF_TRAP 0x0002
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/* The per-thread signal stack size */
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#define SIGNAL_STACK_SIZE 0x100000 /* 1Mb FIXME: should be much smaller than that */
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/* scheduler/thread.c */
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extern void THREAD_Init(void);
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extern TEB *THREAD_InitStack( TEB *teb, DWORD stack_size );
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extern TEB *THREAD_IdToTEB( DWORD id );
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/* scheduler/sysdeps.c */
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extern int SYSDEPS_SpawnThread( TEB *teb );
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extern void SYSDEPS_SetCurThread( TEB *teb );
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extern int SYSDEPS_GetUnixTid(void);
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extern void SYSDEPS_InitErrno(void);
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extern void DECLSPEC_NORETURN SYSDEPS_ExitThread( int status );
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extern void DECLSPEC_NORETURN SYSDEPS_AbortThread( int status );
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extern void DECLSPEC_NORETURN SYSDEPS_SwitchToThreadStack( void (*func)(void *), void *arg );
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/* signal handling */
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extern BOOL SIGNAL_Init(void);
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extern void SIGNAL_Block(void);
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extern void SIGNAL_Unblock(void);
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extern void SIGNAL_Reset(void);
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#endif /* __WINE_THREAD_H */
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