| 1 | /* $Id: thread.h,v 1.15 2000-03-16 19:16:38 sandervl Exp $ */
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| 2 |
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| 3 | /*
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| 4 | * Thread definitions
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| 5 | *
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| 6 | * Copyright 1996 Alexandre Julliard
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| 7 | */
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| 8 |
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| 9 | #ifndef __WINE_THREAD_H
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| 10 | #define __WINE_THREAD_H
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| 11 |
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| 12 | #ifdef __WIN32OS2__
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| 13 | #define TLS_MINIMUM_AVAILABLE 64
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| 14 | #ifndef __OS2_H__
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| 15 | #include "config.h"
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| 16 | #include "winbase.h"
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| 17 | #endif
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| 18 | #include <ntdllsec.h> //PROCESSTHREAD_SECURITYINFO struct
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| 19 | #else
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| 20 | #include "config.h"
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| 21 | #include "winbase.h"
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| 22 | #include "selectors.h" /* for SET_FS */
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| 23 | #endif
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| 24 |
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| 25 | struct _PDB;
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| 26 |
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| 27 | /* Thread exception block */
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| 28 | typedef struct _TEB
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| 29 | {
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| 30 | void *except; /* 00 Head of exception handling chain */
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| 31 | void *stack_top; /* 04 Top of thread stack */
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| 32 | void *stack_low; /* 08 Stack low-water mark */
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| 33 | HTASK16 htask16; /* 0c Win16 task handle */
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| 34 | WORD stack_sel; /* 0e 16-bit stack selector */
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| 35 | DWORD selman_list; /* 10 Selector manager list */
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| 36 | DWORD user_ptr; /* 14 User pointer */
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| 37 | struct _TEB *self; /* 18 Pointer to this structure */
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| 38 | WORD flags; /* 1c Flags */
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| 39 | WORD mutex_count; /* 1e Win16 mutex count */
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| 40 | DWORD debug_context; /* 20 Debug context */
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| 41 | DWORD *ppriority; /* 24 Pointer to current priority */
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| 42 | HQUEUE16 queue; /* 28 Message queue */
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| 43 | WORD pad1; /* 2a */
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| 44 | LPVOID *tls_ptr; /* 2c Pointer to TLS array */
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| 45 | struct _PDB *process; /* 30 owning process (used by NT3.51 applets)*/
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| 46 | } TEB;
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| 47 |
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| 48 | /* Thread exception flags */
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| 49 | #define TEBF_WIN32 0x0001
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| 50 | #define TEBF_TRAP 0x0002
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| 51 |
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| 52 | /* Thread database */
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| 53 | typedef struct _THDB
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| 54 | {
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| 55 | LONG header[2]; /* 00 Kernel object header */
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| 56 | struct _PDB *process; /* 08 Process owning this thread */
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| 57 | HANDLE event; /* 0c Thread event */
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| 58 | TEB teb; /* 10 Thread exception block */
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| 59 | DWORD flags; /* 44 Flags */
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| 60 | DWORD exit_code; /* 48 Termination status */
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| 61 | WORD teb_sel; /* 4c Selector to TEB */
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| 62 | WORD emu_sel; /* 4e 80387 emulator selector */
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| 63 | int thread_errno; /* 50 Per-thread errno (was: unknown) */
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| 64 | void *wait_list; /* 54 Event waiting list */
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| 65 | int thread_h_errno; /* 50 Per-thread h_errno (was: unknown) */
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| 66 | void *ring0_thread; /* 5c Pointer to ring 0 thread */
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| 67 | void *ptdbx; /* 60 Pointer to TDBX structure */
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| 68 | void *stack_base; /* 64 Base of the stack */
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| 69 | void *exit_stack; /* 68 Stack pointer on thread exit */
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| 70 | void *emu_data; /* 6c Related to 80387 emulation */
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| 71 | DWORD last_error; /* 70 Last error code */
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| 72 | void *debugger_CB; /* 74 Debugger context block */
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| 73 | DWORD debug_thread; /* 78 Thread debugging this one (?) */
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| 74 | void *pcontext; /* 7c Thread register context */
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| 75 | DWORD cur_stack; /* 80 Current stack (was: unknown) */
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| 76 | DWORD unknown3[2]; /* 84 Unknown */
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| 77 | WORD current_ss; /* 8c Another 16-bit stack selector */
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| 78 | WORD pad2; /* 8e */
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| 79 | void *ss_table; /* 90 Pointer to info about 16-bit stack */
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| 80 | WORD thunk_ss; /* 94 Yet another 16-bit stack selector */
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| 81 | WORD pad3; /* 96 */
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| 82 | #ifdef __WIN32OS2__
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| 83 | LPVOID tls_array[TLS_MINIMUM_AVAILABLE]; /* 98 Thread local storage */
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| 84 | #else
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| 85 | LPVOID tls_array[64]; /* 98 Thread local storage */
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| 86 | #endif
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| 87 | DWORD delta_priority; /* 198 Priority delta */
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| 88 | DWORD unknown4[7]; /* 19c Unknown */
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| 89 | void *create_data; /* 1b8 Pointer to creation structure */
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| 90 | DWORD suspend_count; /* 1bc SuspendThread() counter */
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| 91 | void *entry_point; /* 1c0 Thread entry point (was: unknown) */
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| 92 | void *entry_arg; /* 1c4 Entry point arg (was: unknown) */
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| 93 | DWORD unknown5[4]; /* 1c8 Unknown */
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| 94 | DWORD sys_count[4]; /* 1d8 Syslevel mutex entry counters */
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| 95 | CRITICAL_SECTION *sys_mutex[4];/* 1e8 Syslevel mutex pointers */
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| 96 | DWORD unknown6[2]; /* 1f8 Unknown */
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| 97 | /* The following are Wine-specific fields */
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| 98 | int socket; /* Socket for server communication */
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| 99 | unsigned int seq; /* Server sequence number */
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| 100 | void *server_tid; /* Server id for this thread */
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| 101 | void (*startup)(void); /* Thread startup routine */
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| 102 | struct _THDB *next; /* Global thread list */
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| 103 | #ifdef __WIN32OS2__
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| 104 | DWORD OrgTIBSel; // Original OS/2 TIB selector (always the same, but let's not assume too much for future compatibility)
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| 105 | ULONG hmq; // Thread message queue
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| 106 | ULONG hab; // Thread Anchor block
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| 107 | ULONG hooks[WH_NB_HOOKS]; //list of hooks for this thread queue
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| 108 | ULONG threadId; // Thread ID
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| 109 | ULONG hThread; // thread handle
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| 110 | ULONG exceptFrame; // address of os/2 exception handler frame
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| 111 | ULONG newWindow; // Pointer to window object of window that was just created
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| 112 | void* pWsockData; // Winsock data pointer (NULL if unused)
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| 113 | DWORD lParam; // MessageExtraInfo
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| 114 | WINDOWPOS wp; // Used by message translation for WM_WINDOWPOSCHANGED
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| 115 | ULONG nrOfMsgs; // Usually 1; some PM messages can generated more than 1 win32 msg
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| 116 | BOOL fTranslated; // WM_CHAR already translated or not
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| 117 | ULONG msgstate; // odd -> dispatchmessage called, even -> not called
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| 118 | MSG msg; // Used by message translation to store translated PM message (sent to win32 window proc in pmwindow.cpp)
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| 119 | MSG msgWCHAR; // Used to store extra WM_CHAR message generated by TranslateMessage
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| 120 | DWORD pidDebuggee; // process id of debuggee
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| 121 | DWORD logfile; // last FILE ptr used for logging (for exception handling in vfprintf)
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| 122 | PROCESSTHREAD_SECURITYINFO threadinfo; //used to store security info for thread tokens
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| 123 | #endif
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| 124 | } THDB;
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| 125 |
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| 126 | /* The pseudo handle value returned by GetCurrentThread */
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| 127 | #define CURRENT_THREAD_PSEUDOHANDLE 0xfffffffe
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| 128 |
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| 129 | #ifdef __i386__
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| 130 | /* On the i386, the current thread is in the %fs register */
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| 131 | # define SET_CUR_THREAD(thdb) SET_FS((thdb)->teb_sel)
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| 132 | #else
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| 133 | extern THDB *pCurrentThread;
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| 134 | # define SET_CUR_THREAD(thdb) (pCurrentThread = (thdb))
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| 135 | #endif /* __i386__ */
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| 136 |
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| 137 |
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| 138 | /* scheduler/thread.c */
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| 139 | extern THDB *THREAD_CreateInitialThread( struct _PDB *pdb, int server_fd );
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| 140 | extern THDB *THREAD_Create( struct _PDB *pdb, DWORD flags,
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| 141 | DWORD stack_size, BOOL alloc_stack16,
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| 142 | LPSECURITY_ATTRIBUTES sa, int *server_handle );
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| 143 | extern THDB *THREAD_Current(void);
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| 144 | extern BOOL THREAD_IsWin16( THDB *thdb );
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| 145 | extern THDB *THREAD_IdToTHDB( DWORD id );
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| 146 |
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| 147 | /* scheduler/sysdeps.c */
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| 148 | extern int SYSDEPS_SpawnThread( THDB *thread );
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| 149 | extern void SYSDEPS_ExitThread(void);
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| 150 | extern TEB * WINAPI NtCurrentTeb(void);
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| 151 |
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| 152 | #endif /* __WINE_THREAD_H */
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